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Re: Route messages
- To: Paul <paul_(_at_)_gtcomm_(_dot_)_net>
- Subject: Re: Route messages
- From: "Bruce M. Simpson" <bms_(_at_)_FreeBSD_(_dot_)_org>
- Date: Sun, 15 Jun 2008 11:16:17 +0100
- Cc: FreeBSD Net <freebsd-net_(_at_)_freebsd_(_dot_)_org>
Get these with GRE tunnel on
FreeBSD 7.0-STABLE FreeBSD 7.0-STABLE #5: Sun May 11 19:00:57 EDT
2008 :/usr/obj/usr/src/sys/ROUTER amd64
But do not get them with 7.0-RELEASE
Any ideas what changed? :) Wish there was some sort of changelog..
# of messages per second seems consistent with packets per second on
No impact in routing, but definitely impact in cpu usage for all
processes monitoring the route messages.
RTM_MISS is actually fairly common when you don't have a default route.
Messages which get enqueued don't necessarily get delivered -- and very
few processes actually listen to the routing socket actively like this,
so I wouldn't worry about it.
If it's a real concern for you then you could try hacking in a sysctl to
tell the radix trie code not to issue RTM_MISS messages on the routing
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