how to compare number of routes in routing table before and after making change
I have situation that I will make some configuration change in a part of routing. Due to there are so many routes in routing table so it can't be comfirmed by eyes that all routes come back, it might be possible that I may lose a few routes.
I would like to know is there anyway to check that I still have all routes like before making change. My protocol is EIGRP.
Re: how to compare number of routes in routing table before and
Thank you very much for your all answer.
I also come across the same question as Milan said. How do we know that we still have all exact same routes?
Please correct me if I'm wrong, Route sequence depends on timestamp.I understand that uppermost route in routing table is the one comes up recently. So whenever we enter "clear ip route" or reboot router, It can't guarantee that we still have the same route sequence.
I use some free text editor tools to compare "sh ip route". It is not helpful when the route sequence changes, especially on the core that have a few thousand routes.
I think I will manage to write specific script.It is the only idea I have for now.
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