routing out of serial and isdn interfaces

Unanswered Question
Apr 2nd, 2008

Hi all, when routing out of serial, and isdn interfaces, how come we can point the traffic out of the interface rather than a next hop ip address and it still works ?

I have this problem too.
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smahbub Tue, 04/08/2008 - 06:00

You can use exit interface in place of the next-hop ip-address if you want,but its got to be on a point-to-point link,such as a WAN.This command won't work on a LAN such as Ethernet.

The command to configure ip route using next-hop_address or exitinterface is:

ip route [destination_network] [mask] [next-hop_address or exitinterface]

Example:

ip route 172.16.3.0 255.255.255.0 serial 0/0

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