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E0 192.168.1.1/24
LAN - 192.168.1.0/24 LAN – 172.16.0.0/16
10.0.0.1/8S0
S110.0.0.2/8
Head Office Branch Office
E0 172.16.0.1/16
Routing
• Routing is the process of moving packets from one
network to another network.
• Routing involves two basic activities:
– Determining best paths.
– Forwarding Packets through these paths.
Rules of Routing
• Head Office Ethernet interface should be in the
same network as your Head office LAN and similarly
on Branch Office side. Show Diagram
• Head Office S0 and Branch Office S1 should be in same
network. Show Diagram
• Head Office LAN and Branch Office LAN should be in
different Network. Show Diagram
• All interfaces of Router should be in different network.
Show Diagram
Static Routing
• It is configured manually by Administrator.
• It is Secure & fast.
• Require Destination Network ID for configuration
• Used in Small Networks
• Administrative distance for Static Route is 0 and 1.
{Administrative Distance (AD) is the “trustworthiness” of
the routing information. AD range is 0-255, lesser the
Administrative distance, higher the priority}
Static Routing Network Diagram
E0 192.168.1.1/24
LAN - 192.168.1.0/24 LAN – 172.16.0.0/16
10.0.0.1/8S0
S110.0.0.2/8
E0 172.16.0.1/16
Head Office Branch Office
Routing Network Diagram
E0 192.168.1.1/24
LAN - 192.168.1.0/24
10.0.0.1/8S0
S110.0.0.2/8
Head Office Branch Office
LAN – 172.16.0.0/16
E0 172.16.0.1/16
Routing Network Diagram
E0 192.168.1.1/24
LAN - 192.168.1.0/24
10.0.0.1/8S0
S110.0.0.2/8
Head Office Branch Office
LAN – 172.16.0.0/16
E0 172.16.0.1/16
Routing Network Diagram
E0 192.168.1.1/24
LAN - 192.168.1.0/24
10.0.0.1/8S0
S110.0.0.2/8
Head Office Branch Office
LAN – 172.16.0.0/16
E0 172.16.0.1/16
Routing Network Diagram
E0 192.168.1.1/24
LAN - 192.168.1.0/24
10.0.0.1/8S0
S110.0.0.2/8
11.0.0.1/8S0
Head Office Branch Office
LAN – 172.16.0.0/16
E0 172.16.0.1/16
Routing Network Diagram
E0 192.168.1.1/24
LAN - 192.168.1.0/24
10.0.0.1/8S0
S110.0.0.2/8
Head Office Branch Office
LAN – 172.16.0.0/16
E0 172.16.0.1/16
exitexit
Chennai(config-if)#Chennai(config)#
telnet 192.168.1.1
================================Welcome to Chennai Router================================User Access Verificationpassword :****
****enable
configure terminal
interface serial 0ip address 10.0.0.1 255.0.0.0no shutclockrate 64000encapsulation hdlc
Chennai>password :Chennai#Enter configuration commands, one per line. End with CNTL/Z.Chennai(config)#Chennai(config-if)#Chennai(config-if)#Chennai(config-if)#Chennai(config-if)#
Microsoft Windows 2000 [Version 5.00.2195](C) Copyright 1985-2000 Microsoft Corp.C:\>Connecting .....
Chennai# Diagram
show ip routeChennai#Default gateway is not set
Host Gateway Last Use Total Uses InterfaceICMP redirect cache is emptyChennai#
show ip routeChennai#
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i- IS-IS, L1-IS-IS level-1, L2-IS-IS level-2,*- candidate default U - per-user static route, o - ODR
Gateway of last resort is not set
C 192.168.1.0/24 is directly connected, Ethernet0C 10.0.0.0/8 is directly connected, Serial0Chennai#
configure terminalEnter configuration commands, one per line. End with CNTL/Z.Chennai(config)# ip routingChennai(config)# ^Z
Enabling RoutingRouter(config)#ip routing
Enabling RoutingRouter(config)#ip routing
Diagram
Chennai#
show ip routeChennai#Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i- IS-IS, L1-IS-IS level-1, L2-IS-IS level-2,*- candidate default U - per-user static route, o - ODR
Gateway of last resort is not set
C 192.168.1.0/24 is directly connected, Ethernet0S 172.16.0.0/16 [1/0] via 10.0.0.2C 10.0.0.0/8 is directly connected, Serial0Chennai#
Enter configuration commands, one per line. End with CNTL/Z.Chennai(config)# ip route 172.16.0.0 255.255.0.0 10.0.0.2 Chennai(config)# ^Z
configure terminal
S – for Static Routing S – for Static Routing 1 is nothing but Administrative Distance
1 is nothing but Administrative Distance
Configuring Static Route Router(config)# ip route <Destination Network ID>
<Destination Subnet Mask> <Next-hop IP address >
OrRouter(config)# ip route <Destination Network ID>
<Destination Subnet Mask> <Exit interface type><interface number>
Configuring Static Route Router(config)# ip route <Destination Network ID>
<Destination Subnet Mask> <Next-hop IP address >
OrRouter(config)# ip route <Destination Network ID>
<Destination Subnet Mask> <Exit interface type><interface number>
Diagram
exitHyderabad1(config)#Hyderabad1#
================================Welcome to Hyderabad1 Router================================User Access Verificationpassword :****
****enable
configure terminal
ip address 10.0.0.2 255.0.0.0no shutencapsulation hdlcexit
Hyderabad1>password :Hyderabad1#Enter configuration commands, one per line. End with CNTL/Z.Hyderabad1(config)#Hyderabad1(config-if)#Hyderabad1(config-if)#Hyderabad1(config-if)#Hyderabad1(config-if)#
Microsoft Windows 2000 [Version 5.00.2195](C) Copyright 1985-2000 Microsoft Corp.C:\>Connecting .....
Hyderabad1#
telnet 172.16.0.1
interface serial 1
Diagram
Chennai#
show ip routeChennai#Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i- IS-IS, L1-IS-IS level-1, L2-IS-IS level-2,*- candidate default U - per-user static route, o - ODR
Gateway of last resort is not set
C 192.168.1.0/24 is directly connected, Ethernet0S 172.16.0.0/16 [1/0] via 10.0.0.2C 10.0.0.0/8 is directly connected, Serial0Chennai#
Enter configuration commands, one per line. End with CNTL/Z.Chennai(config)# ip route 172.16.0.0 255.255.0.0 10.0.0.2 Chennai(config)# ^Z
configure terminal
ping 172.16.0.10Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.2.1, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 40/43/44 msChennai#
!!!!!
Diagram
Hyderabad1#
show ip routeHyderabad1#Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2 E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP i- IS-IS, L1-IS-IS level-1, L2-IS-IS level-2,*- candidate default U - per-user static route, o - ODR
Gateway of last resort is not set
C 172.16.0.0/16 is directly connected, Ethernet0S 192.168.1.0 is directly connected, Serial1C 10.0.0.0/8 is directly connected, Serial1Hyderabad1#
Enter configuration commands, one per line. End with CNTL/Z.Hyderabad1(config)# ip route 192.168.1.0 255.255.255.0 S1Hyderabad1(config)# ^Z
configure terminal
ping 192.168.1.1Type escape sequence to abort.Sending 5, 100-byte ICMP Echos to 192.168.1.1, timeout is 2 seconds:
Success rate is 100 percent (5/5), round-trip min/avg/max = 40/43/44 msHyderabad1#
!!!!!
Diagram