Adding a loopback address to the FE of a Cisco 1721?

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Sep 23rd, 2008
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Hi,


I was wondering how I can add a loopback address to the FE port of my Cisco 1721 router?


I am using the serial port, but not the FE for my lab and would like to bring this up.


Thanks

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attrib7575 Tue, 09/23/2008 - 11:07
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As far as I know it is:


#int loopback 0

#ip add x.x.x.x 255.255.255.255




Harold Ritter Wed, 09/24/2008 - 05:14
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  • Cisco Employee,

Andy,


You just need to configure "no keepalive" under the interface.


int fa0

no keepalive


This will bring the interface is up/up state.


Regards

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