Route messages

[Paul]

Yes but I DO have a default route.. I tried putting one in, removing it, 
putting it back, rebooting..
The problem is ZEBRA listens to the socket and uses 10-15% cpu because 
of these messages..
It doesn't happen on -RELEASE though so  hmmmm.. I guess I could hack it 
to skip over the reporting of the message.. probably be good in the 
future, but something is wrong because I've added a default and removed 
it also so maybe something with the -STABLE code that changed something 
in the routing area..




Bruce M. Simpson wrote:
> Paul wrote:
>> 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 
>> GRE interface..
>> 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 socket.
>
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