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Re: Backbone Monitoring Tools

  • From: Bill Nash
  • Date: Wed Mar 29 17:09:17 2006



Wouldn't you be better served just walking the netToMedia tables for your devices? Parsing configs sucks. Even caching the contents of a simple snmpwalk would save you some pain. Shovel 'em into a db and call it a day.

- billn

On Wed, 29 Mar 2006, Ashe Canvar wrote:

Well, True. But the idea is to have a full mesh of 'n' sensors each
doing 'tests' to the remaining n-1 sensors. Finding asymmetric routes
should be trivial as I plan to feed it my router configs from rancid,
for detecting interfaces that belong to the same router. ( Of course,
this can't be extended to the Internet in genral. )

From all the replies I have received, I don't think anything open
source fits the bill.

Going to the mines to write my own. Good bye cruel world...


On 3/29/06, [email protected] <[email protected]> wrote:
On Tue, 28 Mar 2006 16:07:27 PST, Ashe Canvar said:

 2. actively detect routing changes / failover to redundant paths
using traceroutes
     i.e. alert if  SFO->CHG->NYC changes to SFO->LXE->HOU->NYC
     ( link state protocols suck as far as testing backup paths go)
Two words:  "Asymmetric routes".  Just be aware of the implications.