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connecting two cisco

staphisco
Level 1
Level 1

Hello,

 

I have set up a lab of 3 physical routers.  trying to create a serial connection using crossover cable via the dsu/csu. I gave them ips and they are in the same subnet and no shut was issue but they are not up.  Please tell me what Im doing wrong.  I'm creating eigrp/ospf routing so I need to connect the 3 computers together . 

 

BTW, im using the two g0/0 and g0/1 for internet connection so the only port left is dsu/csu.

 

Thx

1 Reply 1

Rick1776
Level 5
Level 5
One of the sides has to be giving the clock to sync the signal.

https://www.cisco.com/c/en/us/support/docs/routers/2500-series-routers/10265-52.html

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