RIP Routing

Hello all,

Like many new participants to this forum I am studying to attain my CCNA certification. Using PT as a SIM I believe I've ran into an issue with RIP. Here is an image of my topography along with my RIP config:

The main two reasons my focus is pointed towards RIP is:
1. Router 2 isn't advertising via port 192.168.1.2(fa0/0) and sending the network 192.168.1.0 to Router3
2. I can ping terminal 192.168.1.31-.30 via Router2, however I can not ping terminal.31-.30 via Router 3 or terminal 192.168.3.20

One thing that is "GREATLY" confusing me is that I am able to ping Route 1 via Route 3 and terminal.20. If Router 2's RIP isn't advertising network 192.168.1.0 to Route3; how can I reach Route1 via Router3 and terminal.20 ? I hope that someone is following my logic and seeing the error in my thinking. Maybe Im over thinking the later issue however the topic is getting Route 2 to advertise via port 192.168.1.2(fa0/0) to get my RIP tables set.

Best Regards
Iggy

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Comments

r_durant

Have you done a traceroute from R1 to R3 to see what path the packet is taking?

Can you post a 'show ip route' of R2?

Ignousia

ROUTE1#traceroute 192.168.2.2
Type escape sequence to abort.
Tracing the route to 192.168.2.2

1 * 13 msec 14 msec
2 192.168.2.2 17 msec 14 msec 17 msec
ROUTE1#

ROUTE2#show ip route
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, 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 192.168.1.0/24 is directly connected, FastEthernet0/0
C 192.168.2.0/24 is directly connected, FastEthernet0/1
R 192.168.3.0/24 [120/1] via 192.168.2.2, 00:00:20, FastEthernet0/1
ROUTE2#

Ignousia

Here is the "show ip route" of Router 3:

ROUTE3#show ip route
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, 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

R 192.168.1.0/24 [120/1] via 192.168.2.1, 00:00:23, FastEthernet0/0
C 192.168.2.0/24 is directly connected, FastEthernet0/0
C 192.168.3.0/24 is directly connected, FastEthernet0/1
ROUTE3#

"R 192.168.1.0/24 [120/1] via 192.168.2.1, 00:00:23, FastEthernet0/0"

Shouldn't be able to ping past switchport .1(fa0/0) of route 2 since there is in fact a route table present on route 3?

Forsaken_GA

You have a route out, but does the receiving host have a route back? If I'm reading you correctly, it looks like you can ping all the router interfaces from the routers, but have issues pining hosts outside of their own subnets. Do the hosts have correct default gateways set?

Ignousia

Here is more info:

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Ignousia

I believe that all three hosts are pointed in the right direction.

I have the eerie feeling Im about to get the most straight forward and most simple answer to my predicament

r_durant

Forsaken_GA wrote: »

You have a route out, but does the receiving host have a route back? If I'm reading you correctly, it looks like you can ping all the router interfaces from the routers, but have issues pining hosts outside of their own subnets. Do the hosts have correct default gateways set?

That was my next question...the DG of the hosts.

Forsaken_GA

Ignousia wrote: »

I believe that all three hosts are pointed in the right direction.

I have the eerie feeling Im about to get the most straight forward and most simple answer to my predicament .

Judging by your graphic, it looks like you have your hosts default gateways pointed towards the management IP's of your switches, not the routers. That would be your mistake. The switches aren't participating in routing, unless there's something you haven't told us, so once they receive the packet, they've got no clue what to do with it and just drop it.

Try setting .30 and .31 to use 192.168.1.2 as their default gateway and see if your situation improves.

Ignousia

Success! Thanks for the clarity Forsaken_GA as well and your insight r_durant. I can send and receive on all devices!