[j-nsp] icmp problems tracing through m20's

David Brazewell davidb at ednet.co.uk
Thu May 22 20:20:36 EDT 2003



would this rate limiting show up in "show system statistics icmp"?

cos Ive got the following on this router:

        0 drops due to rate limit

Cheers

david


On Thu, 22 May 2003, Harry Reynolds wrote:

> Hello,
> 
> I have not messed with mtr, but can confirm that ICMP rate limiting
> on the fxp1 interface will result in some packet loss when performing
> rapid (flood) pings that are destined to a PFE interface (this
> traffic must transit fxp1). A recent email indicated these parameters
> are now in effect; I have not confirmed:
> 
> The default rate limiting is 50 per second per logical interface
> and I think 500 per box per second.
> 
> 
> 
> > -----Original Message-----
> > From: juniper-nsp-bounces at puck.nether.net
> > [mailto:juniper-nsp-bounces at puck.nether.net]On Behalf Of
> > David Brazewell
> > Sent: Thursday, May 22, 2003 11:00 AM
> > To: juniper-nsp at puck.nether.net
> > Subject: [j-nsp] icmp problems tracing through m20's
> >
> >
> >
> > Hi
> >
> > has anyone ever experienced problems where icmp traces
> > (using mtr) to
> > destinations through an m20 show no packet loss at the
> > last hop but
> > varying amounts of packet loss on one of the juniper interfaces?
> >
> > tracing to the juniper itself shows no packet loss.
> >
> > It has been suggested that this may be down to default
> > icmp throttling on
> > the junipers. does anyone know anything about this?
> >
> > Thanks
> >
> > David
> >
> >
> > _______________________________________________
> > juniper-nsp mailing list juniper-nsp at puck.nether.net
> > http://puck.nether.net/mailman/listinfo/juniper-nsp
> 
> -- 
> Virus scanned by edNET.
> 



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