Olsen, Jason wrote: > Howdy all,
> What I'm left thinking is that it would have been great if we'd had a > snapshot of our core routing table as it stood hours or even days prior > to this event occurring, so that I could compare it with our current > "broken" state, so the team could have seen that subnet in the core > table and what the next hop was for the prefix. Are there any tools > that people are using to track when/what prefixes are added/withdrawn > from their routing tables, or to pull the routing table as a whole at > regular intervals for storage/comparison purposes? It looks like > there's a plugin for NAGIOS, but I'm looking for suggestions on any > other tools (commercial, open source, home grown) that we might take a > look at. For reference, we are running Cisco as well as Juniper kit. Periodic table dumps, or even a log of the updates from a quagga router inside your infrastructure could provide this information. That in a nutshell is what routeviews and other collectors do for the dfz routing table. > > > Feel free to drop me your thoughts off-list. > > > > Thank you for any insight ahead of time, > > > > -Jason "Feren" Olsen >