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Question : need to configure 2 cisco 1800 routers over t1
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Hello I need to configure 2 cisco 1800 routers to go thru a t1. do i have to use something like egrp...ive never done this over a t1...any ideas? ive been trained with igrp, rip, & ospf in a lab environment. is there anything speal i need to know for doing this over a t1? can anyone show me a list of commands that i would need for this type of setup?
many thanks
-rene the network princess
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Answer : need to configure 2 cisco 1800 routers over t1
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You can use a T1 crossover cable. It's not the same as an Ethernet crossover though, so you'll probably have to make one yourself. Take a regular patch cable, snip off one end and re-crimp a new end on it swapping the orange an blue pair..
End A (standard CAT5) End B (new end)
1 - orange/white 1 - blue/white
2 - orange 2 - blue
3 - green/white 3 - green/white
4 - blue 4 - orange
5 - blue/white 5 - orange/white
6 - green 6 - green
7 - brown/white 7 - brown/white
8 - brown 8 - brown
FYI, I would start with a basic PPP connection without requiring authentication. If this is a dedicated point-to-point, the authentication is just needless.
R1
!
interface Serial0/0/0
description Connected to Main Street Branch
ip address 10.9.1.1 255.255.255.252
encapsulation ppp
service-module t1 clock source internal
R2
!
interface Serial0/1/0
description Connected to Spring St Router
ip address 10.9.1.2 255.255.255.252
encapsulation ppp
ppp authentication chap callin
ppp chap hostname calbear_spring_st
ppp chap password 0 calbear1933
!
I would also review your routing on R1
ip route 0.0.0.0 0.0.0.0 10.1.1.254 <== OK
no ip route 10.1.0.0 255.255.0.0 FastEthernet0/0 <== directly connected, do NOT add a route to a connected network
ip route 10.10.0.0 255.255.0.0 10.9.1.2 <== OK
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