One 1721, one primary connection and how to configure the backup one

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Jun 15th, 2007
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I have a 1721 with two wics.. 1wic 4 lan port and the other one is a 1wic adsl.

Both stablish vpn to the same public ip.

Now, default static route is behind the first connection, but if it crashes?

how can I configure the router to route the packect from the first line to the second one if the first fails?

best regars

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jarvar832004 Fri, 06/15/2007 - 02:24
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If your question is how the second preferred routing is to be done , then use a higher matric towards the ATM interface for the ADSL link. If your question is how to detect the ethernet going down , that will be either by a routing protocol or by tracking some reachable ip which when unreachable the secondary route will be used.

edgar-quintana Fri, 06/15/2007 - 04:19
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The router has this configuration:

ip route publicIP permanent

The solution will be:

ip route publicIP permanent metric 1

ip route publicIP permanent

metric 2



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