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E1 routing with a router

Posted on 2002-07-09
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Last Modified: 2012-08-14
I wana route an E1 to another E1 card with cisco router and a get an output to Ethernet card.
Are exist any solution for this problem?
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Question by:jCISCO3640
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by:mikecr
ID: 7143087
Okay, I need you to be more specific. You would like to route one E1 card in one router to an E1 in another router, or the same router? You would like the destination to be the ethernet interface?
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by:geoffryn
ID: 7143750
Listening...
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by:roman0_mx
ID: 7144354
I Agree with mikecr.

Can you be more specific, about what you want to do?

Ciao
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by:jCISCO3640
ID: 7151962
two E1 exist in one router
(we have only one router)
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by:mikecr
ID: 7157486
If both of your E1's are in the same router, I'm going to assume that you have an ethernet card installed also. To get incoming traffic to go to your internal network you need to first turn on IP routing and second put in a static route to your internal network. It would look similiar to this.

Command to turn on routing

ip routing

Next, if your internal network is 192.168.1.0 lets say, and the next hop from the router is a switch with a vlan IP address of 192.168.1.5 and your routers ethernet IP is 192.168.1.1, you would add the following route:

ip route 192.168.1.0 255.255.255.0 192.168.1.5
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by:csco
ID: 7506621
You can only route (Layer 3) between E1 interface to a Ethernet interface, no bridging (Layer 2)


Here's my typical setup at work for E1 or T1
-----E1 Line-----CSU/DSU------Router------Ethernet



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cjavadc earned 100 total points
ID: 7513634
you'd better use two router E1->Eth and Eth->E1
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