loopback int

Unanswered Question
Jun 27th, 2008

One of the site routers shows that it is down on a monitoring tool. When I ping the serial(outbound) or local interface, they are dead; however, when I ping the loopback interface it responds. Does that mean there is an issue with the circuit or the serial interface?

Thanks in advance,

sK

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Jon Marshall Fri, 06/27/2008 - 08:15

sK

Are you sure that loopback is on the site router because if both interfaces appear to be dead how are you getting to the loopback ?

It could be a routing issue, have you tried tracerouting to the serial, local interface and the loopback.

Can you telnet to the loopback address and gain access to the router ?

Jon

skhirbash Fri, 06/27/2008 - 08:25

It turned out that the service provider was doing a quick testing on the CKT and I happen to ping the loopback just seconds after they restored the CKT line.

Thanks Jon!

SK

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