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www.sagem.com Page1-1
GFP cards
Module 1.Goal:
To be able to configure GFP card
MODULE 1. 1-1
1.1. PRESENTATION 1-31.2. ETHERNET SERVICE 1-51.2.1. POINT TO POINT EC 1-61.2.2. MULTIPOINT TO MULTIPOINT 1-71.3. ETHERNET 1-91.3.1. ETHERNET FRAME 1-101.4. DIFFERENT KINF OF ETHERNET 1-161.4.1. VLAN 1-191.5. QOS 1-241.5.1. TRAFFIC MANAGEMENT 1-281.5.2. METERING PROCESSING 1-321.6. VCAT,LCAS,GFP 1-361.6.1. VCAT 1-381.6.2. LCAS 1-391.6.3. GFP 1-401.7. ETHERNET OAM 1-451.8. MSTP 1-481.8.1. STP 1-491.8.2. MSTP 1-52
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Page 1-2 Training documentation
1.9. GFP150 CARD 1-581.10. 4E:FE CARD 1-701.11. 2GE-DM CARD 1-721.12. GFP2500 CARD 1-75
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Training documentation Page1-3
1.1. Presentation
2
2
Presentation
802.3
802.1q802.1ad 802.1ad
802.1q
802.3
GFPSDH
GFP
VLANSVLAN
1 1
2 2
(VMAN)
Ethernet service
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3
Ethernet service
Ethernet, VLAN
QoS
VCAT, LCAS, GFP
Ethernet OAMSTP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 card
Glossary
Syllabus
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1.2. Ethernet service
4
4
Ethernet service model
A service is what a CE sees (UNI-to-UNI)
UNI is the demarcation between service provider and Customer responsabilities
Dedicated to a single subscriber
Standard Ethernet compliant with IEEE802.1D/Q and IEEE802.3
CE may be any kind of customer equipment as a switch or routeur
SDHSDHNetworkNetwork
CustomerCustomer
EdgeEdge(CE)(CE)
User NetworkUser Network
InterfaceInterface(UNI)(UNI)
User NetworkUser NetworkInterfaceInterface
(UNI)(UNI)CustomerCustomer
EdgeEdge(CE)(CE)
ServiceService
AttributesAttributes
MEF
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1.2.2. Multipoint to multipoint
6
6
Multipoint-to-Multipoint EC (EP-LAN andEVP-LAN)
Two UNIs ore more are associated (one EC MP2MP with 2 UNIs is different from oneEC P2P, cause new UNIs can be added at any time).
2 kind of connections :
Ethernet Private LAN (EP-LAN) when the physical resources are dedicated
Ethernet Virtual Private LAN (EVP-LAN) when the physical resources are shared
MEF
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Ethernet serviceUNI-C is the interface on subscriber side.
UNI-N is the interface with subscriber on network side
I-NNI is a network provider interface with an other I-NNI interface of the same provider.
E-NNI is a network provider interface with an other E-NNI interface of another provider.
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1.3. Ethernet
8
8
Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
Carte 4E:FE card
Carte 2GE-DM card
Carte GFP2500 cardGlossary
Syllabus
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1.3.1. Ethernet frame
9
9
Ethernet frame 802.3
802.3
1
2
FCS = Frame Check Sequence
PAD
Upper Layer Headers and Datas
Ethertype (or Length)
SA = Source Address
DA = Destination Address
Frame Delimiter
Inter-frameGap
8 bytes
6 bytes
6 bytes
46 - 1500 bytesAnd more
(jumbo frame)
4 bytes
12 bytes
MACframe
2 bytes
Manufacturer Code(22 bits)
Serial Number(24 bits)
Individual (unicast) /Group (multicast + broadcast) bit
Global / Local bit
There is a unique physicaladdress ,on each Ethernet port,
coded on 48 bits
dot notation: in hexadecimalex: 00:60:4C:53:A1:6B
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10
Ethernet principleOriginal conception of R. Metcalfe (1976)
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Bus topology
Bandwidth shared by all the stations coaxial cable
Twisted Pair
Optical Fibre
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12
OSI stack
Network
Transport
1
2
3
4
5
Link
Physical
Network
Transport
Link
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IP stack
IP
TCP
1
2
3
4
5
MAC
Medium
LLC
MAU
PHY
IP
TCP
MAC
LLC
MAU
PHY
IEEE 802.2
IEEE 802.3
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CSMA/CD
Carrier Sense Multiple Access with Collision Detection
Signal detection on the network
If no one is transmitting, then transmission
Monitoring of the frame
If the frame is damaged (collision), then retransmission
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1.4. Different Kinf of ethernet
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Different kind of Ethernet
Electrical
10BASE-T
100BASE-TX
1000BASE-X
Half duplex
Full duplex
Optical
1000BASE-FX
1000BASE-LX
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Different kind of Ethernet
X100 kmSTM64/OC1929 995,28 Mbit/s10G/Sonet(9,5)
10-40km9/125 SMF10 000 Mbit/s10G Base-LX
100 m4p Cat 5e / 2p Cat61 000 Mbis/s1000BASE-T802.3ab
50/125 - 62,5/125MMF
9/125 SMF
62.5/125 MMF
50/125 MMF
Fibre multimode
Cat 3 UTP 4 pairs
Cat 5e UTP 2 pairs
Cat 3 UTP 2 pairs
Thick Coax RG58
Thin Coax RG58
Type of medium
275 m1 000 Mbis/s1000BASE-SX (850 nm)
5,55 km1 000 Mbis/s1000BASE-LX (1300 nm)
65-300 m10 000 Mbit/s10G Base-SX802.3ae
500 m1 000 Mbis/s1000BASE-SX (850 nm)802.3z
412 m100 Mbis/s100BASE-FX
100 m100 Mbis/s100BASE-T4
100 m100 Mbis/s100BASE-TX802.3u
100 m10 Mbis/s10BASE-T
500 m10 Mbit/s10BASE5
185 m10 Mbit/s10BASE2802.3
Maximum length of a segmentBit rateDesignationIEEE Standard
MMF = MultiMode Fiber SMF = SingleMode Fiber
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MAC frame lenght in ADR
3150->64GFP2500-2GESMII mode
10256->64GFP2500-2GEGMII mode
9600->642GE-DM-2G
9600->642GE-DM-SFP
9600->64
GE-DM-SXGE-DM-ZXGE-DM-LX
N.A155264GFP150eXtra
Jumbo
frame
Max
Size
Min
Size
Card
ADR2500eXtra in P3.0.1 es version.
N.A155264GFP150
N.A1600644E/FE
Jumboframe
MaxSize
MinSize
Card
ADR155c in P5.4.5 og version..
Note 1 : The frame lengths, in bytes, include the 4-byte FrameCheck Sequence.
Note 2 : The first release of the 4E/FE cards which will supportJumbo frames is the P5.4.6 release of the ADR155c and the
P1.4.6 release of the ADR155CPE.Note 3 : The first release of the GE-DM cards which supportsJumbo frames is the P2.4.10 release of the ADR2500eXtra.
Note 4 : The behaviour of the GFP2500 card is due to thelimitation of its EP48PT and DX255 components.
GFP2500 card : GMII mode :VCG set with more than 100 Mbit/s.GFP2500 card : SMII mode : VCG set with less than 100 Mbit/s.
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1.4.1. VLAN
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VLAN Client C-VLAN IEEE 802.1Q
802.3
802.1q
VLAN
1
2
P(3 bits) 0
FCS = Frame Check Sequence
PAD
Upper Layer Headers and Datas
Ethertype (or Length)
VID = VLAN Id(12 bits)
Ethertype (hex): 802.1Q = 8100
802.1ad = 88A8VLAN Tag
SA = Source Address
DA = Destination Address6 bytes
6 bytes
46 - 1500 bytes
4 bytes
2 octets
4 bytes
Ethertype (hex):ARP = 0806
IPv4 = 0800
IPv6 = 86DD
Up to 4094 VLAN (0 and 4095reserved)
Up to 8 priorities (or Classesof Service)
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VLAN priority 802-1p
User Priority: 0, 1, 2, 3, 4, 5e-mail, Files Transfert
User Priority: 6, 7VoIP, Real time Video
Allocate a priority to a VLAN
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QoS management design Ethernet Services
Example from MEF (with 8 CoS)
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SVLAN supplier VLAN IEEE 802.1ad
802.3
802.1q802.1ad
VLANSVLAN
1
2
(VMAN)
DA
SA
S-VLAN tag
C-VLAN tag(if necessary)
Length/Ethertype
MAC payload
FCS
6
6
4
0-4
2
46-1500
and more
Ethertype = 88A8
(16 b)
PCP
(3 b)
DEI
S-VLAN ID
(12 b)
Up to 4030 S-VLAN (2- 4031) S-VLAN MSTP (4032- 4095)
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Priorities SVLAN
Type UP 802-1p on GFP150 cardcoded with PCP (Priority Code point encoding) 802-1ad on GFP2500 card,
5P3D code used.
The frames, according to their priority, will be sent to the associated TrafficClass.
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1.5. QoS
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Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 cardGlossary
Syllabus
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QoS (Quality Of Service) Presentation
Its the guaranty for the customer that his traffic will becarried in the foreseeable and wanted conditions
SLA Service Level AgreementContract negotiated with the customer
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QoS bandwidth parameters
CIR: committed information rate
PIR: Peak Information Rate
CBS: Committed Burst Size
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QoS priorities
Based on 802-1p
802-1ad
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1.5.1. Traffic management
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Traffic Management
Traffic is managed by different process in the Ethernet over SDHequipment.
Forwarding
Engine
Ingress
queues Eggress queues Schedulers
Ingress
process
Eggress
process
a
b
c
d
e
f
Shaping
Scheduling
Queuing
Discarding
Policing
Marking
Metering
Classification
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Ingress Process
Classification :- flow identification based on the Ethernet frame :
- (Port and L2 header (SA, DA, Ethertype, VID, PCP)
- define CoS and process
- SVLAN associated to the frame
Metering :- rate measurement
- define drop precedence (green, yellow, red)
Marking :
mark CoS or Drop Precedence in L2 (PCP bits)
Policing :
Ingress rate limitation by immediate Red frame/packet dropping
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Egress ProcessDiscarding :
Queue overflow prevention via a discard algorythm f(port, CoS, Drop Precedenc
- Tail Drop (TD)
- Weighted RED (WRED)
Queuing : Store frame/packet in the appropriate queue
Scheduling :- queue extraction via a queuing algorythm:
- Strict Priority (SP)
- Weighted Round Robin (WRR)
Shaping :
Eggress rate control per port or per queue (one queue per CoS and per port)
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QoS on GFP150 card
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1.5.2. Metering processing
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QoS Metering processingCIR, CBS (explication):
Example : CIR = 2Mbit/s (250Kbytes/s) and CBS = 2 Kbytes(MTU = 1552 bytes)
A rate of 250Kbytes/s with a token size of 2 Kbytes means :(125 tokens at 2 Kbytes )/sec
So a token every 8ms ! =>(1/125)
2Kbytes 2Kbytes2Kbytes 2Kbytestime
Token distribution
8ms
1518B
time8ms
64B 512B
1518B 1518B
frames:
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C-VLAN 22
C-VLAN 23
Eth 1
VCG1
TC0
TC1
TC2
TC3
SVLAN 12 priority 3
SVLAN15 priority 7
Eth 2
CVLAN10 priority 3
C-VLAN2 priority 7
SVLAN18 UPC
SVLAN 18+ priority 3
S-VLAN 18+ priority 7
n*VC3 or VC4
QoS on GFP2500 cardCoS
UP to PCP
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PCP encoding/decoding principleThe operator sets the Class ofService or User Priority : from 0to 7
The metering (CIR, PIR) marksthe frames (Green, Yellow, Red)
Red frames are discarded,Yellow frames are Drop Elligible.
7Y/DE
7G7
6Y/DE
6G6
5Y/DE
4G5
5Y/DE
4G4
3Y/DE
2G3
3Y/DE
2G2
1Y/DE
0G1
1Y/DE0G0
5PD3DG/YUP
PCP Encoding
G7
3G6
Y/DE5
2G4
Y/DE3
1G2
Y/DE1
0G0
TCG/Y5PD3D
PCP Decoding
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QoS on GFP2500 card
Example with SVLAN 12
7Y/DE
7G7
6Y/DE
6G6
5Y/DE
4G5
5Y/DE
4G4
3Y/DE2G3
3Y/DE
2G2
1Y/DE
0G1
1Y/DE
0G0
5PD3DG/YUP
PCP Encoding
G7
3G6
Y/DE5
2G4
Y/DE3
1G2
Y/DE1
0G0
TCG/Y5PD3D
PCP Decoding
TC0
TC1
TC2
TC3
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1.6. VCAT,LCAS,GFP
35
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Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 cardGlossary
Syllabus
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802.3
802.1q802.1ad
GFP
STM
VLANSVLAN
1
2
(VMAN)
VC
VCVCG
Presentation
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1.6.1. VCAT
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37
Concatenation
Compliant to G.707
Virtual Concatenation (VCAT): ie. VC3-2v, VC4-7v- For a better bandwidth adjustment the VC can be concatenated
- requires a specific processing at both ends of a connection. No impact on
intermediate nodes
- resulting aggregated channel is named a VC group (VCG)
- channels of the same VCG may follow different paths, resulting in different
propagation delays. The receiving node must store the different members in order toperform realignment
- Multi-Frame Indicator (MFI) and Sequence Nbr (SQ) in the H4 byte provide thenecessary information for a successful alignment;
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1.6.2. LCAS
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38
LCAS Link Capacity Adjustment SchemeCompliant to G.7042 Link capacity adjustment scheme (LCAS) for virtualconcatenated signals
The GFP2500 card enables activation of the standard protocol "Link CapacityAdjustment System" (LCAS) independently on each of the 22 VCGs.
LCAS is useful to : Dynamically add or remove VC members from a VCG without deactivating the VCG(making it a hitless operation for traffic)
Dynamically adjust the available bandwidth when alarms are triggered ON/OFF on theVC members of a VCG. The bandwidth of every VC under failure is subtracted from theVCG bandwidth. Hence, in case of failures the VCG continues to forward traffic as long asthere is still at least one operational VC
Without LCAS :
The GFP2500 card requires deactivation of a VCG before VC members can be added orremoved (it forces a traffic interruption)
A VCG becomes completely broken as soon as an alarm is triggered on at least one VCmember. Plus, it becomes operational again only once no VC is under failure anymore.
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1.6.3. GFP
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GFP Generic Framing Procedure
GFP (G.7041) provides a genericmechanism to adapt traffic from higher-layer client signals over a transportnetwork
Two modes of client signal adaptationare currently defined:
A packet-oriented mode, referred toas Frame-mapped GFP (GFP-F)
A block-oriented adaptation mode,referred to as Transparent GFP (GFP-T)
Higher Layers
Ethernet PPP FC Other clients
GFP - Payload dependant
GFP - Payload independant
SDH VC-n
(G.707)
Other octet-synch
paths
Digital Wrapper
(G.709)
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GFP Generic Framing Procedure
GFP-F protocol is used
There are 8 bytes header and 4 optional bytes FCS
If there is no Ethernet frame, IDLE GFP frames are sent tomaintain the link synchronisation
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GFP frame format
PLI Payload Length IndicatorHEC Header Error ControlPTI Payload Type Identifier
(data, OAM)PFI Payload FCS IndicatorEXI Extension Header Identifier
(null, linear, ring)UPI User Payload IdenfierExt head Include CID for channel multiplexingFCS Frame Check Sequence
PLI
cHEC
PTI PFI EXI
UPI
tHEC
Extensionheader
eHEC
Payload(0 to 65535 bytes)
FCS
2
2
1
1
2
0-58
2
n
4
Coreheader
Payload
header
Extensionheader(option)
FCS(option)
PLI(=0)
cHEC
GFP frame GFP idle frame
Not used
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Virtual Concatenation (VCAT)
VC12
VC12
VC12 VC12
VC12
VC12
VC12-3v VCG
VirtualConcatenation
VirtualConcatenation
Intermediate node
Not concerned
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Ethernet frame over SDH
Ethernet GFP SDH
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1.7. Ethernet OAM
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Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 cardGlossary
Syllabus
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Ethernet - OAM OAM-CC 802.1ag
OAM Operation Administration and Maintenance
The OAM function in the GFP card, is used to supervise thecustomer traffic. It is based on the IEEE-802.1ag
This function consist in sending and receiving specific messagesto monitor customer traffic and to known the network status.
These frames are called: CC:Continuity Check.
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OAM-CC
NNI
NNI
UNI-NC
E
C
E
UNI-
NSDH Network
ADR2500 eXtra N1 ADR2500 eXtra N
2
S-Vlani
Probe Source OAM-CC
Probe Sink OAM-CC
The number of source probes is limited to 256 per card
the number of sink probes is limited to 256, per card. The frame multicast OAM is not distributed on the UNI-N port (customer), it is
distributed on NNI ports.
The OAM CC multicast MAC address is by default: 01-80-C2-00-00-67.
The OAM-CC function manages 2 supervision alarms :
OAM Degraded : in this case it is the loss of one up to three consecutive CC frames
OAM Defect : in this case it is the loss of at least four consecutive CC frames
The period between two OAM frames is configurable : 10s by default.
Notes :
The periodic OAM defect, can mean that network capacity for the VCG are not adjusted, and thatcongestions appear (example : a VC link loss in a VCG with LCAS).
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1.8. MSTP
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Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 cardGlossary
Syllabus
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1.8.1. STP
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48
Ethernet STP
1
2 4
3
1
2 3
4
The goal of STP in an Ethernet network: avoid the loop !
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STP : IEEE 802.1d standard
RSTP : IEEE 802.1w standard
MSTP : IEEE 802.1s standard prend en compte SVLAN
Ethernet STP
Different Spanning Tree Protocol :
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50
GFPS
D
H
SD
HGFP
S
D
H
SD
H
Smartbit
Port n1:
@DA: 00-00-00-00-00-10
@SA: 00-00-00-00-00-15
Port n2:
@DA: 00-00-00-00-00-16
@SA: 00-00-00-00-00-17
Vlan ID = 1200
Vlan ID = 25
Start transmit
Stop transmit
MAC @ Port Max age
00-00-00-00-00-15 1
MAC @ Port Max age
00-00-00-00-00-17 1
Start transmit
Stop transmit
Ethernet loop: example
11
9
15
13
9
10
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1.8.2. MSTP
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MSTP (Multiple Spanning Tree)
It exists an instance of MSTP by VLAN : MSTI
There are 63 MSTI by region
CIST allows the management of the regions
MSTP
compute the best way for the VLAN Recompute the best way in case of fails
Avoid loop
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52
MSTP
MSTP control packets (BPDU) are used to exchange configuration
information and notify topology changes occurring in the network.
BPDU: Bridge Protocol Data Unit
Each MSTP port is managed by two informations:
Port state
Port role
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MSTP
Port State can be:
Disabled: this port is not included in MSTP protocol
Forwarding: this port is included in MSTP protocol and can transmit andreceive frames
Port role can be: Discarding Backup
Learning
Designated
root
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MSTP Parameters Configuration
With default parameters (all identical for all GFP cards), the root bridge isthe GFP card with the lower MAC address.
Le Root Bridge may be selected by modifying the Bridge Id parameter.
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MSTP Convergence
Designate
dPorts
Designated
Ports
Designated
Ports
2
1Bridge Z
(Root)
1
2
3
3
4
3
Bridge B
1
2
3
3
3
Bridge A
1 Bridge D
1 Bridge C
1 Bridge E
Blocking
Designated
Port
Designated
Port
Root
Port
Designate
d Ports
Root
Ports
Root
Port
Designated
Ports
Forwarding frames between Rootports and Designated ports
Root
Port
Root
Ports
Blocking port: Unused port Not root or designated port
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MSTP Limitation
There's no limitation for quantity of nodes in MSTP ring.
But the maximum bridge diameter of the Bridge LAN (The maximumnumber of Bridges between any two points of attachment of end stations)
should be limited.
The Recommended value is 7.
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1.9. GFP150 card
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57
Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 cardGlossary
Syllabus
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GFP150 card presentation
8 Ethernet /Fast Ethernet ports :10/100 Base-Tx
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Point to point and multipoint to multipoint applications
Transport on VCG : VC12-nv (1 to 46) VC3-nv (1 or 2)
Standard Protocols (GFP, VCAT, LCAS)
Ethernet Switch function with QoS and VLAN (IEEE802.1D/Q)
Protection SDH traffic with MSP, SNCP
GFP150 card
8E/FE TX
To SDH cross-connect
155 Mb/sEthernetSwitch16 FE
GFPencapsulation
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GFP150 card in ADR
The GFP150 card takes place in slot A or COnly one card ADRGFP150 per shelf
the set up of ADRGFP150 card, start the fan up in permanentcooling mode
The GFP150 eXtra card takes place in trib: 1, 2, 5, 6, 7, 8
The card is hot swappable
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GFP150 Functional presentation
The services provided by GFP150 are :
EPLine and EVPLine to interconnect in point to point mode Ethernet flows
EPLAN and EVPLAN to interconnect in multipoint mode Ethernet flows
The maximum bandwidth of the card to SDH is the STM-1 capacity either :63 VC12, 3 VC3 or mix configuration
The GFP150 card provides various QoS functions:
metering et policing des flux en entre
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GFP150 Protection
Possibility to use the SDH protections
SNC
MSP
MS-SPring
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GFP150 characteristicsle bridge is standard VLAN (802.1p) compliant
The MAC address are shared by all the ports sont partages par tous
les ports et VMAN (S-VLAN)
Each MAC address is associated to a VLAN-ID.
the MAC address table is updated on each time a new address islearned.
Size of the MAC address table: 16K
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TP : Ethernet Private Line
ETH1:VCG:
SDH
ETH1 :
Trails:
VMAN:
Via NMS
1 Cration des trails Menu: creation > Traffic carrier > Domain:SDH > Family:Trails > Type:VC12 ou VC3
2 Cration du VCG Menu: creation > Traffic carrier > Domain:Ethernet >Family:VCGroups > Type VCGroup
3 allocation des Trails dans le VCG
4 cration du VMAN Menu: creation > Traffic carrier > Domain:Ethernet >Family:Services > Type: Eth pt to pt service
QoS:
ADR ADRGFP
GFPHTT
P
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TP : Ethernet Virtual Private Line
ETH1:
VCG:
SDH
ETH1 :Trails:
VMAN:
QoS:
ETH2: ETH2:
Serveur
vidoVLC
HTTP
QoS:
QoS:
QoS:
QoS:
QoS:
GFP
G
FP
ADR ADR
VLC
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TP : Ethernet Private LanETH1:
VCG:
ETH1 :
Trails:
VMAN:
QoS:
Trails:
VCG:
QoS:
VMAN:
VCG:
Trails:
VMAN:
QoS:
ETH1:
ETH1:
QoS:
QoS:
QoS:
QoS:
ADRADR
GF
PADR
GFP
GFP
ADR
GF
P
HTTP
HTTP HTTP
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TP : Ethernet Private Lan avec MSTP
ETH1:
VCG:
ETH1 :
Trails:
VMAN:
QoS:
Trails:
VCG:
QoS:
VMAN:
VCG:
Trails:
VMAN:
QoS:
ETH1:
ETH1:
QoS:
QoS:
QoS:
QoS:
ADRADR
GF
PADR
GFP
GFP
ADR
GFP
HTTP
HTTP HTTP
Trails:
VCG:
VMAN:
QoS:
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TP : Ethernet Virtual Private Lan
ETH1:
VCG:
ETH1 :
Trails:
VMAN:
QoS:
Trails:
VCG:
QoS:
VMAN:
VCG:
Trails:
VMAN:
QoS:
ETH1:
ETH1:
QoS:
QoS:
QoS:
QoS: QoS:
QoS:
Serveur
vido
QoS:
ETH2 :
ETH2 :
QoS:
QoS:
ETH2:ETH2:
QoS:
QoS:
ADRADR
GF
PADR
GFP
GFP
ADR
GFP
HTTP
HTTP HTTP
VLC
VLCVLC
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1.10. 4E:FE card
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Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 cardGlossary
Syllabus
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4EFEcard
up to 8 VCG 8 FE
VC12-nV/VC3-nV
w LCAS
Mapper
+
GFP
Framer
Ethernet
Switch
Ethernet
PHY8 FE
STM1
(towards SDH
switch fabric)
Point to point application4 access 10/100Base-T4 VCG max
VC3-nV (1 < n < 2)VC12-nV (1 < n < 46)
Total bandwidth < 150 Mb/sGFP protocolCapacity Adjustment LCASPause frame management 1 of the 4 slots ADR155c
4VCG
4EF
E
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1.11. 2GE-DM card
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Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 cardGlossary
Syllabus
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GE Dual Mode cardPoint to point application (EPLine)
1 or 2 Giga Ethernet ports
Transport on n VC4 (n=1 to 7) by VCG
Standards protocols (GFP, LCAS et VCAT)
Bandwidth 600M or 2.5G to the SDH switch
SFP module SX (500m), LX (10km), ZX (50km)
SDH Protection with SNCP or MS-SPRing
VC4-nVMapper
+GFP
Framer
EthernetMAC
EthernetPHY
GE SFP
STM4 ouSTM16
GE SFP
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GE Dual Mode slots configurations
STM4 mode: The board can take place: Trib1 to Trib8, Line1 and Line2
STM16 mode
The board can take place in : Trib3, Trib4, Line 1 and Line 2.
If the Trib 3 or 4 is in STM16 mode so theTrib on the same line cannot beexploited
Limitation : SW32HOLO : 2 GE-DM boards maximum
SWITCHHOLO : 4 GE-DM boards maximum
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1.12. GFP2500 card
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Ethernet service
Ethernet, VLAN
QoSVCAT, LCAS, GFP
Ethernet OAM
STP, MSTP
GFP150 card
4E:FE card
2GE-DM card
GFP2500 cardGlossary
Syllabus
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GFP2500 board
2 Giga-Ethernet ports with Switch level 2
EPLine, EVPLine, EPLan, EVLan
bandwidth 600M or 2.5G to the SDH switch
SFP module SX (500m), LX (10km), ZX (50km)
VLAN, MSTP
GFP2500 card presentation
RING
Gigabit Ethernet
Ethernet/ FastEthernet
Ethernet/ FastEthernet
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GFP2500 Configurations Slots
STM4 mode: The board can take place: Trib1 to Trib8, Line1 and Line2
STM16 mode
The board can take place in : Trib3, Trib4, Line 1 and Line 2.
If the Trib 3 or 4 is in STM16 mode so theTribs on the same line cannot beexploited
Limitation : SW32HOLO : 2 GFP2500 boards maximum
SWITCHHOLO : 4 GFP2500 boards maximum
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GFP2500 Characteristics
Characteristics
2 GE ports (modules SFP : GE-SX, GE-LX, GE-ZX, electrical)
256 SVLAN maximum by board
64 SVLAN maximum in tag process Replace
22 VCG maximum if the bandwidth of each VCG is < 100M
4 VCG maximum if the bandwidth of each VCG is > 100M
STM16 mode:
16 VC4
48 VC3
STM4 mode: 4 VC4
12 VC3
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GFP2500 interworking
In VC4 connectivity:
2GE-DM-2G
2GE-DM-SFP
2GE-DM-SX or 2GE-DM-LX or 2GE-DM-ZX
GE-DM-SX or GE-DM-LX or GE-DM-ZX
GIG-E-SX or GIG-E-LX or GIG-E-ZX
in VC3 connectivity:
2GE-DM-2G
GFP150extra and GFP150
4EFE
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S-Vlan description: Tag of frames
The GFP2500 card provides 2 S-Vlan tag profiles :
the 802.1Q tag defined by the standard
An other free tag
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