[j-nsp] Re: JunOS BGP Soft Reset Alert

Scott Weeks surfer at mauigateway.com
Thu Feb 16 16:30:29 EST 2006

----- Original Message Follows -----
From: Chris Adams <cmadams at hiwaay.net>

> Once upon a time, Scott Weeks <surfer at mauigateway.com>
> > said: I had an upstream change one of our BGP sessions
> > (changed from full routes to default route!) and there
> > was no alert.  I found the problem just by my normal
> > looking around at things daily process.  I can't find
> > any SNMP trap for a BGP soft reset.  How do you folks
> > watch for changes in BGP via a soft reset?
> A "soft" reset is generally only seen from the end doing
> the reset. IIRC, a soft reset withdraws all the prefixes
> and re-announces the new set of prefixes.  There's really
> no way to detect that.
> You could monitor the number of prefixes you are receiving
> and take action if that falls below a certain amount.

I guess you do that with some SNMP OID and a NMS that sends
an alert based on thresholds?


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