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

[Scott Weeks]

> 1.3.6.1.4.1.2636.5.1.1.2.6.2.1 is the OID tree that holds
> this information.  Yes, you can use an NMS to monitor the
> number of inbound prefixes and send an alert based upon a
> threshold.

Thanks for the OID, it saves me time. :-)

scott

----- Original Message Follows -----
From: "Eric Van Tol" <eric at atlantech.net>
To: <surfer at mauigateway.com>, <juniper-nsp at puck.nether.net>
Subject: RE: [j-nsp] Re: JunOS BGP Soft Reset Alert
Date: Thu, 16 Feb 2006 16:35:56 -0500

> 1.3.6.1.4.1.2636.5.1.1.2.6.2.1 is the OID tree that holds
> this information.  Yes, you can use an NMS to monitor the
> number of inbound prefixes and send an alert based upon a
> threshold.
> 
> -evt 
> 
> -----Original Message-----
> From: juniper-nsp-bounces at puck.nether.net
> [mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of
> Scott Weeks Sent: Thursday, February 16, 2006 4:30 PM
> To: juniper-nsp at puck.nether.net
> Subject: Re: [j-nsp] Re: JunOS BGP Soft Reset Alert
> 
> ----- 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?
> 
> scott
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