From: naman sharma (naman.prep@gmail.com)
Date: Sat Oct 25 2008 - 12:19:22 ARST
Hi Group,
I am facing a very strange problem my router is connected to Backbone
through a switch. Router and Backbone are in Vlan 300. I was able to ping
backbone from my router and then i configured RSPAN with Vlan 300 as source
after that i am not able to ping my backbone, i removed Monitor session
commands and then also i am not able to ping.
After doing debug ip packet i see encapsulation failed messages, to my
understanding it is when the router is not able to resolve the Layer 2
address, my concern is if we are trapped with such situation in real lab and
we dont have access to Backbone hpow to make it up and running. I have
reloaded the router and switch still not able to ping.
Kindly suggest.
Thanks for the help.
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