[TriLUG] SuSE Neworking Issues

Matthew Pusateri mpusateri at wickedtrails.com
Tue Oct 7 16:39:08 EDT 2008


And maybe a better description of your network would help.  It was  
late when I responded last night, so I didn't 100% track your setup.   
But today I still don't, obviously others don't either.

Matt P.

On Oct 7, 2008, at 4:35 PM, Justis Peters wrote:

> Warren Weber wrote:
>> Setup -- SuSE 10.2 server-to-be, IP address a.b.c.202, netmask
>> 255.255.255.0, default gateway a.b.c.170
>>
>> Router -- LAN address a.b.c.17, netmask 255.255.255.0
>>    WAN address a.b.c.170, netmask 255.255.255.0
>>
> Am I reading this correctly? It looks as though you've got both the  
> LAN
> and WAN addresses on the same subnet and you're attempting to use the
> WAN address as your default gateway. If so, I think you've got your
> wires crossed. Let us know if you need it explained. I'm suspecting  
> it's
> a typo, though.
>
> If that's not it, then I'd recommending checking the following things:
> + Are you doing any packet filtering on the router that would affect  
> this?
> + Is it possible that there's another node that's using the same IP
> address? Check "arp -n" from the router and compare the MAC address.
> + Use tcpdump on the router and watch how it handles traffic to/from
> your new node.
>
> Are there any other variables we should know regarding this new  
> node? Is
> it a native host or is it virtualized? Are there multiple ethernet
> adapters in it? Is there anything going on at layer 2, like a switch
> that's doing VLANs?
>
> Kind regards,
> Justis
> -- 
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