arp issues...but WHY

[Kent Stewart]

On Tuesday 04 May 2004 05:23 am, J.D. Bronson wrote:
> I have a FreeBSD 5.2.1 machine that has dual NICs.
> I would expect the following behavior if I placed both NICs
> on the same subnet (192.168.1.1 and 192.168.1.2 for example)...
>
> But in this case they are totally unique:
>
> NIC #1 - 10.10.10.1 255.255.255.0
> NIC #2 - 192.168.10.1 255.255.255.0
> Default gateway: 10.10.10.10
>
> I am using a single SWITCH for all of my connections.

This is the problem. You don't have two networks and since both NICs are 
on the same network, it complains.

Kent

>
> most of my LAN is on the '10' block, but I have a few machines and 1
> router that are on the '192' block.
>
> When I telnet into the freebsd machine from the '10.10.10.5' to the
> '10' block I see ARP comments on the console that I dont understand:
>
>
> arp: 10.10.10.5 is on fxp0 but got reply from 00:10:7b:80:04:40 on
> fxp1
>
> How is this possible? - the laptop has NO IP on the 192 block at all.
> I understand how to shut up these errors using 'sysctl' - but I
> wanted to know why I am seeing them in the first place?
>
>   -JDB
>
> _______________________________________________
> freebsd-net at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-net
> To unsubscribe, send any mail to
> "freebsd-net-unsubscribe at freebsd.org"
>
>
> _______________________________________________
> freebsd-questions at freebsd.org mailing list
> http://lists.freebsd.org/mailman/listinfo/freebsd-questions
> To unsubscribe, send any mail to
> "freebsd-questions-unsubscribe at freebsd.org"

-- 
Kent Stewart
Richland, WA

http://users.owt.com/kstewart/index.html