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OptiX RTN 600 Radio Transmission System

V100R003

Feature Description

Issue 02

Date 2009-02-25

Huawei Proprietary and Confidential

Copyright Huawei Technologies Co., Ltd.


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Huawei Technologies Co., Ltd. provides customers with comprehensive technical support and service. For any

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Huawei Technologies Co., Ltd.

Address: Huawei Industrial Base

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Website: http://www.huawei.com

Email: [email protected]

Copyright Huawei Technologies Co., Ltd. 2009. All rights reserved.

No part of this document may be reproduced or transmitted in any form or by any means without prior written

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and other Huawei trademarks are the property of Huawei Technologies Co., Ltd.

All other trademarks and trade names mentioned in this document are the property of their respective holders.

Notice

The information in this document is subject to change without notice. Every effort has been made in the

preparation of this document to ensure accuracy of the contents, but the statements, information, and

recommendations in this document do not constitute a warranty of any kind, express or implied.

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Contents

About This Document.....................................................................................................................1

1 Introduction to the DCN...........................................................................................................1-1

1.1 Composition of the DCN.................................................................................................................................1-2

1.2 Huawei DCN Solution....................................................................................................................................1-3

2 HW ECC Solution......................................................................................................................2-1

2.1 Feature Description.........................................................................................................................................2-3

2.2 Basic Concepts................................................................................................................................................2-3

2.2.1 HW ECC Protocol Stack........................................................................................................................2-4

2.2.2 Extended ECC........................................................................................................................................2-6

2.3 Availability......................................................................................................................................................2-9

2.4 Relation with Other Features...........................................................................................................................2-9

2.5 Realization Principle.......................................................................................................................................2-9

2.5.1 How to Establish ECC Routes.............................................................................................................2-102.5.2 How to Transfer Messages...................................................................................................................2-11

2.5.3 Extended ECC......................................................................................................................................2-12

2.6 Planning Guide..............................................................................................................................................2-13

2.7 Configuration Guide......................................................................................................................................2-17

2.7.1 Configuration Flow..............................................................................................................................2-17

2.7.2 Modifying the NE ID...........................................................................................................................2-20

2.7.3 Modifying the Communication Parameters of an NE..........................................................................2-21

2.7.4 Configuring DCCs................................................................................................................................2-23

2.7.5 Configuring the Extended ECC............................................................................................................2-25

2.7.6 Configuring DCC Transparent Transmission......................................................................................2-27

2.7.7 Querying ECC Routes..........................................................................................................................2-28

2.7.8 Creating NEs by Using the Search Method.........................................................................................2-29

2.7.9 Creating NEs by Using the Manual Method........................................................................................2-31

2.8 Configuration Example.................................................................................................................................2-34

2.9 Maintenance Guide.......................................................................................................................................2-35

2.9.1 Relevant Alarms and Events................................................................................................................2-35

2.9.2 FAQs....................................................................................................................................................2-36

3 IP over DCC Solution................................................................................................................3-1



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3.2 Basic Concepts................................................................................................................................................3-3

3.2.1 IP over DCC Protocol Stack...................................................................................................................3-3

3.2.2 Access Modes.........................................................................................................................................3-5

3.3 Availability......................................................................................................................................................3-6



3.6 Planning Guide................................................................................................................................................3-8



3.7.2 Querying IP Routes..............................................................................................................................3-13

3.7.3 Creating Static IP Routes.....................................................................................................................3-14



3.9.1 Relevant Alarms and Events................................................................................................................3-163.9.2 FAQs....................................................................................................................................................3-17

4 OSI over DCC Solution.............................................................................................................4-1


4.2 Basic Concepts................................................................................................................................................4-3

4.2.1 OSI over DCC Protocol Stack................................................................................................................4-3

4.2.2 Access Mode..........................................................................................................................................4-6

4.3 Availability......................................................................................................................................................4-7


4.5 Realization Principle.......................................................................................................................................4-84.6 Planning Guide................................................................................................................................................4-9



4.7.2 Configuring the CLNS Role.................................................................................................................4-14

4.7.3 Querying OSI Routes...........................................................................................................................4-15




4.9.2 FAQs....................................................................................................................................................4-18

5 DCC Transparent Transmission Solution.............................................................................5-1


5.2 Availability......................................................................................................................................................5-5



5.5 Planning Guide................................................................................................................................................5-6

5.6 Configuration Flow.........................................................................................................................................5-9




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5.8.2 FAQs....................................................................................................................................................5-13

6 DCC Transparent Transmission Through the External Clock Interface Solution........6-1


6.2 Availability......................................................................................................................................................6-46.3 Relation with Other Features...........................................................................................................................6-4


6.5 Planning Guide................................................................................................................................................6-5

6.6 Configuration Flow.........................................................................................................................................6-7

6.7 Configuration Example...................................................................................................................................6-8

6.8 Maintenance Guide.........................................................................................................................................6-8

6.8.1 Relevant Alarms and Events..................................................................................................................6-8

6.8.2 FAQs......................................................................................................................................................6-9

7 1+1 HSB........................................................................................................................................7-17.1 Feature Description.........................................................................................................................................7-2

7.2 Basic Concepts................................................................................................................................................7-2

7.2.1 System Configuration.............................................................................................................................7-2

7.2.2 Protection Type......................................................................................................................................7-4

7.2.3 Switching Conditions.............................................................................................................................7-4

7.2.4 Switching Impact....................................................................................................................................7-7

7.3 Availability......................................................................................................................................................7-8



7.5.1 SDH/PDH Microwave............................................................................................................................7-9

7.5.2 Hybrid Microwave...............................................................................................................................7-11

7.6 Planning Guide..............................................................................................................................................7-14


7.7.1 Creating IF 1+1 Protection...................................................................................................................7-14

7.7.2 Modifying the Parameters of IF 1+1 Protection...................................................................................7-18


7.8.1 IF 1+1 Protection Switching................................................................................................................7-21


7.8.3 FAQs....................................................................................................................................................7-22

8 1+1 FD...........................................................................................................................................8-1


8.2 Basic Concepts................................................................................................................................................8-2


8.2.2 Protection Type......................................................................................................................................8-5



8.3 Availability......................................................................................................................................................8-9






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8.5 Realization Principle.....................................................................................................................................8-10

8.5.1 SDH/PDH Microwave..........................................................................................................................8-10

8.5.2 Hybrid Microwave...............................................................................................................................8-12

8.6 Planning Guide..............................................................................................................................................8-16







8.8.3 FAQs....................................................................................................................................................8-25

9 1+1 SD...........................................................................................................................................9-1


9.2 Basic Concepts................................................................................................................................................9-2


9.2.2 Protection Type......................................................................................................................................9-4



9.3 Availability......................................................................................................................................................9-8



9.5.1 SDH/PDH Microwave............................................................................................................................9-9

9.5.2 Hybrid Microwave...............................................................................................................................9-129.6 Planning Guide..............................................................................................................................................9-16







9.8.3 FAQs....................................................................................................................................................9-24

10 Cross-Polarization Interference Cancellation...................................................................10-110.1 Feature Description.....................................................................................................................................10-2

10.2 Basic Concepts............................................................................................................................................10-2

10.2.1 CCDP and XPIC.................................................................................................................................10-3

10.2.2 System Configuration.........................................................................................................................10-4

10.3 Availability..................................................................................................................................................10-5

10.4 Relation with Other Features.......................................................................................................................10-5

10.5 Realization Principle...................................................................................................................................10-6

10.6 Planning Guide............................................................................................................................................10-7

10.7 Creating an XPIC Workgroup.....................................................................................................................10-8

10.8 Maintenance Guide...................................................................................................................................10-12

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10.8.1 Relevant Alarms and Events............................................................................................................10-12

10.8.2 FAQs................................................................................................................................................10-13

11 N+1 Protection........................................................................................................................11-1

11.1 Feature Description.....................................................................................................................................11-211.2 Basic Concepts............................................................................................................................................11-2

11.2.1 System Configuration.........................................................................................................................11-3

11.2.2 Protection Type..................................................................................................................................11-7

11.2.3 Switching Condition...........................................................................................................................11-7

11.2.4 Switching Impact................................................................................................................................11-9

11.3 Availability..................................................................................................................................................11-9


11.5 Realization Principle.................................................................................................................................11-10

11.5.1 2+1 Protection Configuration...........................................................................................................11-10

11.5.2 3+1 Protection Configuration...........................................................................................................11-11

11.6 Planning Guide..........................................................................................................................................11-14

11.7 Configuration Guide..................................................................................................................................11-14

11.7.1 Configuration Flow..........................................................................................................................11-15

11.7.2 Creating an N+1 Protection Group...................................................................................................11-15

11.7.3 Creating REGs..................................................................................................................................11-18

11.7.4 Configuration Example....................................................................................................................11-21


11.8.1 Starting/Stopping the N+1 Protection Protocol................................................................................11-21

11.8.2 N+1 Protection Switching................................................................................................................11-22


11.8.4 FAQs................................................................................................................................................11-23

12 Automatic Transmit Power Control Function..................................................................12-1

12.1 Feature Description.....................................................................................................................................12-2

12.2 Availability..................................................................................................................................................12-2



12.5 Planning Guide............................................................................................................................................12-5

12.6 Configuring the ATPC Function.................................................................................................................12-5

12.7 Maintenance Guide ....................................................................................................................................12-8

12.7.1 Relevant Alarms and Events..............................................................................................................12-8

12.7.2 FAQs..................................................................................................................................................12-9

13 Hybrid Microwave.................................................................................................................13-1


13.2 Basic Concepts............................................................................................................................................13-2

13.2.1 Service Transmission Mode...............................................................................................................13-3

13.2.2 AM.....................................................................................................................................................13-4

13.2.3 Working Mode...................................................................................................................................13-5





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13.2.4 QoS Control for Ethernet Services.....................................................................................................13-6

13.3 Availability..................................................................................................................................................13-7



13.6 Planning Guide..........................................................................................................................................13-10




13.8.2 FAQs................................................................................................................................................13-12

14 Sub-Network Connection Protection.................................................................................14-1


14.2 Basic Concepts............................................................................................................................................14-2

14.2.1 Protection Type..................................................................................................................................14-3

14.2.2 SNCP Service Pair.............................................................................................................................14-3



14.3 Availability..................................................................................................................................................14-6



14.6 Planning Guide............................................................................................................................................14-8

14.7 Configuration Guide....................................................................................................................................14-9

14.7.1 Creating Cross-Connections for SNCP Services...............................................................................14-9

14.7.2 Setting the Automatic Switching Conditions of SNCP Services.....................................................14-1314.7.3 Converting Normal Services into SNCP Services...........................................................................14-15

14.7.4 Converting SNCP Services into Normal Services...........................................................................14-18


14.8.1 SNCP Switching...............................................................................................................................14-19


14.8.3 FAQs................................................................................................................................................14-20

15 Linear Multiplex Section Protection...................................................................................15-1


15.2 Basic Concepts............................................................................................................................................15-415.2.1 Protection Type..................................................................................................................................15-5

15.2.2 Meaning of Byte K.............................................................................................................................15-6



15.3 Availability..................................................................................................................................................15-9

15.4 Relation with Other Features.....................................................................................................................15-10


15.5.1 1+1 Linear MSP...............................................................................................................................15-10

15.5.2 1:N Linear MSP...............................................................................................................................15-12

15.6 Planning Guide..........................................................................................................................................15-13

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15.7 Creating Linear MSP.................................................................................................................................15-13


15.8.1 Starting/Stopping the Linear MSP Protocol.....................................................................................15-18

15.8.2 Linear MSP Switching.....................................................................................................................15-19


15.8.4 FAQs................................................................................................................................................15-20

16 Two-Fiber Bidirectional Ring MSP....................................................................................16-1


16.2 Basic Concepts........................................................................................................................... .................16-4

16.2.1 Protection Type..................................................................................................................................16-4

16.2.2 Meaning of Byte K.............................................................................................................................16-4



16.3 Availability..................................................................................................................................................16-8



16.6 Planning Guide..........................................................................................................................................16-10

16.7 Configuring the Ring MSP........................................................................................................................16-11


16.8.1 Starting/Stopping the Ring MSP Protocol.......................................................................................16-14

16.8.2 Ring MSP Switching........................................................................................................................16-15


16.8.4 FAQs................................................................................................................................................16-15

17 Features of Ethernet Ports.....................................................................................................17-1


17.2 Basic Concepts........................................................................................................................... .................17-2

17.2.1 Auto-Negotiation Function................................................................................................................17-3

17.2.2 Jumbo Frames........................................................................... .........................................................17-4

17.2.3 Flow Control Function.......................................................................................................................17-5

17.3 Availability..................................................................................................................................................17-6



17.5.1 Auto-Negotiation Function................................................................................................................17-7

17.5.2 Flow Control Function.......................................................................................................................17-8

17.6 Planning Guide............................................................................................................................................17-9


17.7.1 Configuring External Ethernet Ports................................................................................................17-10

17.7.2 Modifying the Type Field of Jumbo Frames....................................................................................17-18



17.8.2 FAQs................................................................................................................................................17-20





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18 Encapsulation and Mapping of Ethernet Services...........................................................18-1


18.2 Basic Concepts............................................................................................................................................18-4

18.2.1 Encapsulation and Mapping Protocols...............................................................................................18-4

18.2.2 Virtual Concatenation........................................................................................................................18-5

18.2.3 LCAS..................................................................................................................................................18-5

18.3 Availability..................................................................................................................................................18-6



18.5.1 Encapsulation and Mapping...............................................................................................................18-6

18.5.2 Virtual Concatenation......................................................................................................................18-10

18.5.3 LCAS................................................................................................................................................18-11

18.6 Planning Guide..........................................................................................................................................18-15

18.7 Configuring the Internal Port of the Ethernet Board.................................................................................18-16


18.8.1 Dynamically Increasing/Decreasing the VCTRUNK Bandwidth....................................................18-24


18.8.3 FAQs................................................................................................................................................18-27

19 VLAN........................................................................................................................................19-1


19.2 Basic Concepts............................................................................................................................................19-3

19.2.1 Frame Format.....................................................................................................................................19-4

19.2.2 TAG Attribute....................................................................................................................................19-4

19.2.3 Application.........................................................................................................................................19-5

19.3 Availability..................................................................................................................................................19-7



19.6 Planning Guide............................................................................................................................................19-7


19.7.1 Configuration Flow............................................................................................................................19-8

19.7.2 Creating Ethernet Line Service........................................................................................................19-10

19.8 Configuration Example (PORT-Shared EVPL Service)...........................................................................19-15

19.9 Configuration Example (VCTRUNK-Shared EVPL Service)..................................................................19-16

19.10 Maintenance Guide.................................................................................................................................19-17

19.10.1 Relevant Alarms and Events..........................................................................................................19-18

19.10.2 FAQs..............................................................................................................................................19-18

20 Layer 2 Switching...................................................................................................................20-1


20.2 Basic Concepts............................................................................................................................................20-2

20.2.1 Bridge.................................................................................................................................................20-3

20.2.2 STP/RSTP..........................................................................................................................................20-6

20.2.3 IGMP Snooping..................................................................................................................................20-7

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20.2.4 Broadcast Packet Suppression............................................................................................................20-9

20.3 Availability................................................................................................................................................20-10



20.5.1 Bridge...............................................................................................................................................20-11

20.5.2 STP/RSTP........................................................................................................................................20-11

20.5.3 IGMP Snooping................................................................................................................................20-16

20.6 Planning Guide..........................................................................................................................................20-18


20.7.1 Creating the Ethernet LAN Service..................................................................................................20-20

20.7.2 Modifying the Mounted Port of a Bridge.........................................................................................20-25

20.7.3 Creating the VLAN Filter Table......................................................................................................20-27

20.7.4 Creating the Entry of a MAC Address Table Manually ..................................................................20-29

20.7.5 Modifying the Aging Time of the MAC Address Table Entry........................................................20-31

20.7.6 Configuring the Spanning Tree Protocol ........................................................................................20-32

20.7.7 Configuring the IGMP Snooping Protocol.......................................................................................20-37

20.7.8 Modifying the Aging Time of the Multicast Table Item..................................................................20-38

20.7.9 Configuring the Broadcast Packet Suppression Function................................................................20-40


20.8.1 Querying the Actual Capacity of the MAC Address Table and the Dynamic Entry.......................20-41

20.8.2 Querying the Running Information About the Spanning Tree Protocol..........................................20-42

20.8.3 Querying the Running Information About the IGMP Snooping Protocol ......................................20-43

20.8.4 Relevant Alarms and Events............................................................................................................20-4420.8.5 FAQs................................................................................................................................................20-44

21 QoS............................................................................................................................................21-1


21.2 Basic Concepts............................................................................................................................................21-3

21.2.1 Flow Classification.............................................................................................................................21-3

21.2.2 CAR....................................................................................................................................................21-4

21.2.3 CoS.....................................................................................................................................................21-5

21.2.4 Traffic Shaping...................................................................................................................................21-6

21.3 Availability..................................................................................................................................................21-721.4 Relation with Other Features.......................................................................................................................21-7


21.5.1 CAR....................................................................................................................................................21-8

21.5.2 Traffic Shaping.................................................................................................................................21-10

21.5.3 Egress Queue Scheduling.................................................................................................................21-10

21.6 Planning Guide..........................................................................................................................................21-13


21.7.1 Creating a Flow................................................................................................................................21-15

21.7.2 Creating the CAR.............................................................................................................................21-17

21.7.3 Creating the CoS..............................................................................................................................21-20





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21.7.4 Binding the CAR/CoS......................................................................................................................21-23

21.7.5 Configuring the Traffic Shaping......................................................................................................21-24

21.7.6 Configuring the CoS of the IFH2 Board..........................................................................................21-25

21.7.7 Setting the Queue Scheduling Mode................................................................................................21-26



21.8.2 FAQs................................................................................................................................................21-28

22 QinQ.........................................................................................................................................22-1


22.2 Basic Concepts............................................................................................................................................22-3

22.2.1 Frame Format.....................................................................................................................................22-3

22.2.2 Network Attributes.............................................................................................................................22-5

22.2.3 Application of the QinQ Technology in Line Services......................................................................22-6

22.2.4 Application of the QinQ Technology in LAN Services.....................................................................22-8

22.3 Availability................................................................................................................................................22-10



22.6 Planning Guide..........................................................................................................................................22-13

22.6.1 EVPL Services Based on QinQ........................................................................................................22-13

22.6.2 EVPLAN Services Based on the IEEE 802.1ad Bridge...................................................................22-15


22.7.1 Configuration Flow (EVPL Services Based on QinQ)....................................................................22-17

22.7.2 Configuration Flow (EVPLAN Services Based on the IEEE 802.1ad Bridge)...............................22-1822.7.3 Modifying the Type Field of QinQ Frames.....................................................................................22-20

22.7.4 Creating QinQ Line Services...........................................................................................................22-21

22.7.5 Creating the EVPLAN Services That Are Based on the IEEE 802.1ad Bridge...............................22-25

22.8 Configuration Example (EVPL Services Based on QinQ).......................................................................22-30

22.9 Configuration Example (EVPLAN Services Based on the IEEE 802.1ad Bridge)..................................22-32



22.10.2 FAQs..............................................................................................................................................22-34

23 Remote Monitoring Feature.................................................................................................23-123.1 Feature Description.....................................................................................................................................23-3

23.2 Basic Concepts............................................................................................................................................23-3

23.2.1 SNMP.................................................................................................................................................23-3

23.2.2 RMON Management Groups.............................................................................................................23-4

23.2.3 RMON Alarms and Performance Events...........................................................................................23-6

23.3 Availability................................................................................................................................................23-12



23.6 Planning Guide..........................................................................................................................................23-14


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23.8.1 Browsing the Performance Data in the Statistics Group of an Ethernet Port...................................23-15

23.8.2 Configuring an Alarm Group for an Ethernet Port..........................................................................23-16

23.8.3 Configuring a History Control Group..............................................................................................23-17

23.8.4 Browsing the Performance Data in the History Group of an Ethernet Port.....................................23-18

23.8.5 FAQs................................................................................................................................................23-19

24 ETH OAM................................................................................................................................24-1

24.1 Feature Introduction....................................................................................................................................24-3

24.2 Basic Concept..............................................................................................................................................24-4

24.2.1 IEEE 802.1ag OAM Management.....................................................................................................24-4

24.2.2 IEEE 802.1ag OAM Operation..........................................................................................................24-7

24.2.3 IEEE 802.3ah OAM Operations.........................................................................................................24-9

24.3 Availability................................................................................................................................................24-10

24.4 Relations with Other Features...................................................................................................................24-10

24.5 Function Implementation..........................................................................................................................24-10

24.5.1 802.1ag OAM...................................................................................................................................24-11

24.5.2 802.3ah OAM...................................................................................................................................24-15

24.6 Planning Guide..........................................................................................................................................24-23

24.6.1 IEEE 802.1ag OAM.........................................................................................................................24-23

24.6.2 IEEE 802.3ah OAM.........................................................................................................................24-24

24.7 Using the IEEE 802.1ag OAM..................................................................................................................24-25


24.7.2 Creating MDs...................................................................................................................................24-27

24.7.3 Creating MAs...................................................................................................................................24-29

24.7.4 Creating MPs....................................................................................................................................24-30

24.7.5 Performing a Continuity Check........................................................................................................24-33

24.7.6 Performing a Loopback Check.........................................................................................................24-34

24.7.7 Performing a Link Trace Check.......................................................................................................24-35

24.7.8 Activating the AIS............................................................................................................................24-37

24.7.9 Performing a Ping Test.....................................................................................................................24-38

24.7.10 Performing Performance Detection................................................................................................24-41

24.8 IEEE 802.1ag OAM Example...................................................................................................................24-4324.9 Using the IEEE 802.3ah OAM..................................................................................................................24-43


24.9.2 Enabling the Auto-Discovery Function of OAM.............................................................................24-46

24.9.3 Enabling the Link Event Notification..............................................................................................24-49

24.9.4 Modifying the Parameters of the OAM Error Frame Monitoring Threshold...................................24-52

24.9.5 Performing the Remote Loopback...................................................................................................24-54

24.9.6 Enabling the Self-Loop Detection....................................................................................................24-55



24.10.2 FAQs..............................................................................................................................................24-58





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25 Link aggregation.....................................................................................................................25-1

25.1 Overview.....................................................................................................................................................25-3

25.2 Basic Concepts............................................................................................................................................25-3

25.2.1 LAG Types.........................................................................................................................................25-4

25.2.2 Port Types..........................................................................................................................................25-4

25.2.3 Switching Conditions.........................................................................................................................25-5


25.3 Availability..................................................................................................................................................25-6


25.5 Principle......................................................................................................................................................25-6

25.6 Service Planning..........................................................................................................................................25-7

25.7 Creating a LAG...........................................................................................................................................25-9



25.8.2 FAQs................................................................................................................................................25-18

26 Link State Pass Through.......................................................................................................26-1


26.2 Availability..................................................................................................................................................26-4



26.4.1 Point-to-Point Service........................................................................................................................26-4

26.4.2 Point-to-Multipoint Service................................................................................................................26-6

26.5 Planning Guide..........................................................................................................................................26-10

26.6 LPT Configuration....................................................................................................................................26-11



26.7.2 FAQs................................................................................................................................................26-16

27 Synchronous Ethernet...........................................................................................................27-1


27.2 Availability..................................................................................................................................................27-2



27.5 Planning Guide............................................................................................................................................27-4


27.6.1 Configuring the Clock Sources..........................................................................................................27-5

27.6.2 Configuring the Ethernet Clock Source.............................................................................................27-7

27.7 Maintenance Guide.....................................................................................................................................27-8

27.7.1 Checking the Clock Synchronization Status......................................................................................27-8

27.7.2 Relevant Alarms and Events..............................................................................................................27-9

27.7.3 FAQs..................................................................................................................................................27-9

28 Glossary....................................................................................................................................28-1

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29 Acronyms and Abbreviations..............................................................................................29-1





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Figures

Figure 1-1 DCN....................................................................................................................................................1-2

Figure 2-1 Networking of the HW ECC solution.................................................................................................2-3

Figure 2-2 Architecture of the HW ECC protocol stack .....................................................................................2-4

Figure 2-3 Networking for the extended ECC (using a network cable)...............................................................2-7

Figure 2-4 Networking for the extended ECC (using a hub)...............................................................................2-7

Figure 2-5 Networking for the extended ECC (using network cables to connect NEs in series)........................2-8

Figure 2-6 Networking example for establishing ECC routes ..........................................................................2-10

Figure 2-7 Realization principle of message transferring (HW ECC)...............................................................2-12

Figure 2-8 Networking example for the HW ECC solution...............................................................................2-15

Figure 2-9 Allocation of IDs and IP addresses for all NEs................................................................................2-16

Figure 2-10 Configuration flow for the HW ECC solution ...............................................................................2-18

Figure 3-1 Application of the IP over DCC solution.............................................................. .............................3-3

Figure 3-2 Architecture of the IP over DCC protocol stack ................................................................................3-4

Figure 3-3 Realization principle of message transferring (gateway mode).........................................................3-7Figure 3-4 Realization principle of message transferring (direct connection mode)...........................................3-8

Figure 3-5 Networking example for the IP over DCC solution.........................................................................3-10

Figure 3-6 Allocation of IDs and IP addresses for all NEs................................................................................3-11

Figure 3-7 Configuration flow for the IP over DCC solution ...........................................................................3-12

Figure 4-1 Application of the OSI over DCC solution.................................................... ....................................4-3

Figure 4-2 Architecture of the OSI over DCC protocol stack .............................................................................4-4

Figure 4-3 Format of the NSAP address..............................................................................................................4-5

Figure 4-4 Layered routes of IS-IS protocol routes (L2 not consecutive)...........................................................4-6

Figure 4-5 Realization principle of message transferring (gateway mode).........................................................4-8

Figure 4-6 Realization principle of message transferring (direct connection mode)...........................................4-9

Figure 4-7 Networking example for the OSI over DCC solution......................................................................4-11

Figure 4-8 Allocation of NE areas ....................................................................................................................4-12

Figure 4-9 Configuration flow for the OSI over DCC solution ........................................................................4-13

Figure 5-1 DCC transparent transmission solution when the OptiX equipment is at the edge of a network (1)

...............................................................................................................................................................................5-3

Figure 5-2 DCC transparent transmission solution when the OptiX equipment is at the edge of a network (2)

...............................................................................................................................................................................5-4

Figure 5-3 DCC transparent transmission solution when the OptiX equipment is in the center of a network (1)

...............................................................................................................................................................................5-4


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Figure 5-4 DCC transparent transmission solution when the OptiX equipment is in the center of a network (2)

...............................................................................................................................................................................5-5

Figure 5-5 Realization principle of the DCC transparent transmission ..............................................................5-6

Figure 5-6 Networking example for the DCC transparent transmission solution ...............................................5-8

Figure 5-7 Allocations of IDs and IP addresses for all NEs.................................................................................5-9

Figure 5-8 Configuration flow for the DCC transparent transmission solution ................................................5-10

Figure 6-1 Networking example for the DCC transparent transmission through the external clock interface solution

(direct access mode)..............................................................................................................................................6-3

Figure 6-2 Networking example for the DCC transparent transmission through the external clock interface solution

(indirect access mode)...................................................................................

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RTN 620 Feature