Backbone Monitoring Tools

Bill Nash billn at odyssey.billn.net
Wed Mar 29 22:08:11 UTC 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, Valdis.Kletnieks at vt.edu <Valdis.Kletnieks at vt.edu> 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.
>>
>>
>>
>



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