nanog mailing list archives

Re: Internet routing table "completeness" monitoring?


From: Christopher Morrow <morrowc.lists () gmail com>
Date: Wed, 3 Oct 2012 11:02:11 -0400

On Wed, Oct 3, 2012 at 9:55 AM, Eric Tykwinski <eric-list () truenet com> wrote:
I agree, and just use the Threshold plugin so when it drops below or goes
above a certain # to notify you.
http://docs.cacti.net/plugin:thold

is a threshold helpful here? (well, it's helpful to a point at least)
what if your neighbour starts deaggragating (or sending you their
internal deaggragates) in place of 50k real routes? no alarm, no
'change' from a numbers perspective, but certainly a traffic shift and
reach-ability change :(

Isn't a speed-of-change threshold also interesting here?


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