Backbone Monitoring Tools
trockij at arctic.org
Wed Mar 29 13:09:54 UTC 2006
On Wed, 29 Mar 2006, Alexei Roudnev wrote:
> I use snmpstatd - snmpstat.sf.net .
Oooh, looks nice!
>> From: owner-nanog at merit.edu [mailto:owner-nanog at merit.edu] On Behalf Of
>> Ashe Canvar
>> 2. actively detect routing changes / failover to redundant paths using
>> i.e. alert if SFO->CHG->NYC changes to SFO->LXE->HOU->NYC
>> ( link state protocols suck as far as testing backup paths go)
I've done this using "mon" (http://www.kernel.org/software/mon/). It comes with
two traceroute monitors which remember the past paths and alert when that path
changes. In fact, one of the monitors can even detect load-balanced alternate
paths, e.g. if there are multiple possible intermediate paths during normal
You'll want to look at the latest 1.1 release from CVS:
>> 3. actively transfer a fixed file
>> i.e. draw a datarate grid between every datacenter and every other
In fact, I belive people have done precisely this with mon before.
Try asking on the mailing list, I'm quite sure someone will respond.
>> I am in a buy vs. build debate with my boss ;)
Build! I think mon gets you at least 90% to where you want to go.
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