Strange kernel messages?

Grant orbman at thingysrealm.myftp.org
Tue Aug 10 11:43:43 BST 2004


Kevin O'Connor wrote:

>It's just arp telling you that both nics are on the same network. 
>This will stop arp messages being logged
>
>Sysctl net.link.ether.inet.log_arp_movements=0
>
>Of course sorting out the problem would be better, it's never a good idea to
>run 2 completely different subnets through the same hub
>Regards
>Kevin
>  
>
>>-----Original Message-----
>>From: freebsd-users-admin at uk.freebsd.org [mailto:freebsd-users-
>>admin at uk.freebsd.org] On Behalf Of Grant
>>Sent: 10 August 2004 11:24
>>To: freebsd-users at uk.freebsd.org
>>Subject: Strange kernel messages?
>>
>>Hi,
>>
>>Got a few freebsd servers and i have noticed quite alot of these
>>messages on the console and in the logs.
>>
>>arp: 10.0.0.100 moved from 00:c0:4f:26:a8:83 to 00:08:c7:3b:67:93 on fxp0
>>arp: 10.0.0.100 moved from 00:08:c7:3b:67:93 to 00:c0:4f:26:a8:83 on fxp0
>>arp: 10.0.0.100 moved from 00:c0:4f:26:a8:83 to 00:08:c7:3b:67:93 on fxp0
>>
>>There is two networks one 10.0.0.0/255.0.0.0 and the second
>>192.168.254.0/255.255.255.0
>>
>>The ip 10.0.0.100 is a proxy/gateway running clarkconnect with dual
>>network cards one on 10.0.0.100 and one 192.168.254.100
>>
>>The messages only seem to show up on the freebsd boxes, there is 3 boxes
>>that show these messages.
>>
>>The first is 10.0.0.222 which has dual cards with the other interface at
>>192.168.254.1
>>The second box only has one card with ip of 10.0.0.60
>>The third box only one card again with ip 10.0.0.70
>>
>>These machines are all linked to a 24port 3Com hub... just in case that
>>is the problem :(
>>
>>The question is what is it ? and should i be worried at the amount i am
>>getting of them ? and can it be stopped ?
>>
>>Thanks
>>Grant.
>>
>>ps - The first box runs 4.10 and the second and third are running 5.2.1
>>There is some linux boxes but they dont show any of the messages.
>>
>>
>>------ FreeBSD UK Users' Group  -  Mailing List ------
>>http://listserver.uk.freebsd.org/mailman/listinfo/freebsd-users
>>    
>>
>
>
>  
>
Hey,

Thanks for the quick reply!

So maybe just get myself another hub and then put all the 10.0.0.0 
network on that and leave the 192.168.254.0 on the original hub ?

I still dont quite get why i get them though as they are on different 
networks the subnets are different and so is the ranges... would a 
switch help instead of a hub ?

Thanks
Grant.





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