GRE tunnel keepalive

Unanswered Question
Nov 13th, 2003
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May be someone can help

me find more about GRE keepalive.

i have linux that can work with GRE tunnel. this days i need this linux

to support GRE keepavlive. i cant find any RFC or Cisco document that

have details about the keepalive packet/header format, can any one

knows where can i find more about this issue.

i know the Cisco docs about how to configure the GRE keepavlive

but in this docs no packet format is presented.



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Harold Ritter Thu, 11/13/2003 - 11:21
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  • Cisco Employee,

The GRE IP Keepalive Feature is not part of any RFC. This feature will work on the Cisco router even if you configure it while connecting to a device that doesn't explicitly support support it.


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