[j-nsp] CFEB issue

[Bourgeois, Jacob (Jake)** CTR **]

The Packet Forwarding Engine throttled next-hop resolution requests from
the indicated interface, because the high number of requests might
constitute an attempted denial-of-service (DoS) attack. Examples of
events that generate next-hop resolution requests include an attempt to
forward a packet without an Address Resolution Protocol (ARP) entry and
receiving a multicast data packet with no matching route. Normally, the
Packet Forwarding Engine forwards the requests to the Routing Engine.

http://www.juniper.net/techpubs/software/junos/junos76/syslog-messages76
/html/pfe12.html

Thanks and Regards,
Jake Bourgeois

-----Original Message-----
From: juniper-nsp-bounces at puck.nether.net
[mailto:juniper-nsp-bounces at puck.nether.net] On Behalf Of andy
Sent: Thursday, June 14, 2007 8:44 AM
To: juniper-nsp at puck.nether.net
Subject: [j-nsp] CFEB issue

Hi,

we have an m7i that has a CFEB that appears to be failing and
restarting.
right before it happens we see this message in the logs:

cfeb PFE_NH_RESOLVE_THROTTLED: Next-hop resolution requests from
interface 66 throttled

Can anyone please explain what this means?

thanks

-- 
andy    andy at shady.org
-----------------------------------------------
Never argue with an idiot. They drag you down 
to their level, then beat you with experience.
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