[nycbug-talk] arp questions
Tue Jun 29 14:31:36 EDT 2004
Okan Demirmen wrote:
>On Tue 2004.06.29 at 11:22 -0400, Pete Wright wrote:
>> i've got a question regarding ARP on FreeBSD 4.10. I have two
>>machines (archiver and homer). each machine has two interfaces, one on
>>our 100Base-T LAN and another on our seperate Gig-E LAN. Each interface
>>is given a different name, so the gig-e interface for homer is
>>gate-homer (don't ask why we use gate-hostname wierd SGI thing...).
>>Anyway when I perform a large NFS copy via the "gate" interfaces is get
>>this error in my syslog:
>>arp: 22.214.171.124 is on em0 but got reply from xx:xx:xx:xx:xx:ee on fxp0
>>(let's pretend that's a valid MAC address, the last two bits are the
>>only interesting part anyway).
>uhm, are you positive that the two networks are not touching each
>other? it looks like the two networks are bridged without
>spanning-tree. unless of course, you have say a sun box with multiple
>nics on the two netowrks, all with the same mac address; that works
>fine, but if other boxes are on the same networks in the same fashion,
>you can run into arp issues.
nope they are not touching. the gig-e network does not even route to
the internet, only the 100base-T one does. each nic does have a
different MAC address as well. I forgot to mention that the NFS server
in this case is a Debian gnu/linux box(2.4.26+XFS), the client is
FreeBSD 4.10. I am starting to suspect that there may be an issue with
the Debian box, I do not run into this issue with any of my SGI or other
BSD boxen on the gig-e network.
email: pete at nomadlogic.org
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