From: KSGoh (kianseng.goh@gmail.com)
Date: Wed Nov 16 2005 - 17:45:47 GMT-3
got some problem in RIP..
R1 and R2 are connected back to back...
i've created loopback as 1.0.0.254 for R1
2.0.0.254 for R2
i've include both the serial and loopback in the RIP routing process..
what i notice...
in R1, i will see network 2.0.0.254 being send from R2
but i R2, i see nothing coming from R1 ???
any idea ?
what i notice is when i do a sh ip pro
i see different thing shown under the Routing Information Sources, on R1 it
shows the ip of the serial interface, but in R2 it shows noting...
what does the session means ?
R1 running IOS 12.2(28)
R2 running IOS 12.2(15)T17
R1
Routing Protocol is "rip"
Sending updates every 30 seconds, next due in 22 seconds
Invalid after 180 seconds, hold down 180, flushed after 240
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Redistributing: rip
Default version control: send version 1, receive any version
Interface Send Recv Triggered RIP Key-chain
Ethernet0 1 1 2
Loopback0 1 1 2
Loopback1 1 1 2
Serial0.1 1 1 2
Serial1 1 1 2
Automatic network summarization is in effect
Maximum path: 4
Routing for Networks:
1.0.0.0
0.0.0.0
Routing Information Sources:
Gateway Distance Last Update
10.100.100.2 120 00:00:03
Distance: (default is 120)
R1#sh ip ro
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, su - IS-IS summary, L1 - IS-IS level-1, L2 - IS-IS level-2
ia - IS-IS inter area, * - candidate default, U - per-user static
route
o - ODR, P - periodic downloaded static route
Gateway of last resort is not set
C 1.0.0.0/8 is directly connected, Loopback1
R 137.20.0.0/16 [120/1] via 10.100.100.2, 00:00:25, Serial1
R 2.0.0.0/8 [120/1] via 10.100.100.2, 00:00:25, Serial1
10.0.0.0/8 is variably subnetted, 2 subnets, 2 masks
C 10.100.100.0/24 is directly connected, Serial1
C 10.1.0.0/16 is directly connected, Loopback0
C 192.168.3.0/24 is directly connected, Ethernet0
on R2
Routing Protocol is "rip"
Sending updates every 30 seconds, next due in 5 seconds
Invalid after 180 seconds, hold down 180, flushed after 240
Outgoing update filter list for all interfaces is not set
Incoming update filter list for all interfaces is not set
Redistributing: rip
Default version control: send version 1, receive any version
Interface Send Recv Triggered RIP Key-chain
Loopback0 1 1 2
Interface Send Recv Triggered RIP Key-chain
Loopback1 1 1 2
Serial0 1 1 2
Serial1 1 1 2
Automatic network summarization is in effect
Maximum path: 4
Routing for Networks:
2.0.0.0
10.0.0.0
0.0.0.0
Routing Information Sources:
Gateway Distance Last Update
Distance: (default is 120)
R2#sh ip ro
Codes: C - connected, S - static, 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
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter
area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
137.20.0.0/24 is subnetted, 1 subnets
C 137.20.20.0 is directly connected, Loopback0
C 2.0.0.0/8 is directly connected, Loopback1
10.0.0.0/24 is subnetted, 1 subnets
C 10.100.100.0 is directly connected, Serial1
R2#
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