Randy Edwards writes:

> > What does your ARP cache look like?   (IIRC, "arp -a")
> 
> spartacus (192.168.1.1) at 00:A0:CC:3A:EF:6A [ether] on eth0
>  
> > Could you show us your /etc/hosts file?
> 
> 127.0.0.1       localhost
> 192.168.1.1     spartacus mail.golgotha.net ns.golgotha.net
> 192.168.1.10    hyssop.golgotha.net hyssop
> 192.168.1.11    horeb.golgotha.net horeb
> 192.168.1.12    salome.golgotha.net salome
> 192.168.1.13    mammon.golgotha.net mammon
> 192.168.1.252   nimrod.golgotha.net nimrod
> 
> > Could you show us your route table (IIRC, "netstat -nw")?
> 
> netstat -nw produces only:

Oops, sorry, I meant "netstat -nr"

("-nw" is a flag for emacs...)

> Active Internet connections (w/o servers)
> Proto Recv-Q Send-Q Local Address           Foreign Address         State
> 
> a plain "route" produces:

[I reformatted the following slightly --kevin]

> Kernel IP routing table
> Destination     Gateway         Genmask         Flags Metric Ref    Use Iface
> 192.168.1.0     *               255.255.255.0   U     0      0        0 eth0
> default         spartacus       0.0.0.0         UG    1      0        0 eth0

Ok, so your route table shows that your host is ARP-ing for
everything remote.

> > Could you show us the output of "ifconfig -a"?
> 
> dummy     Link encap:Ethernet  HWaddr 00:00:00:00:00:00  
>           BROADCAST NOARP  MTU:1500  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 
> 
> eth0      Link encap:Ethernet  HWaddr 00:80:C8:8D:FF:A7  
>           inet addr:192.168.1.252  Bcast:192.168.1.255  Mask:255.255.255.0
>           UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>           RX packets:203 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:178 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:1 txqueuelen:100 
>           Interrupt:3 Base address:0x300 
> 
> lo        Link encap:Local Loopback  
>           LOOPBACK  MTU:3924  Metric:1
>           RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>           TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>           collisions:0 txqueuelen:0 

Hey, that's weird.  Your loopback interface is down.  Hmm, I'm trying
to thing of what that could do...

What happens when you "ifconfig lo up"?

> > What kernel version are you running?
> 
>    I originally had this problem with 2.2.15, and just yesterday switched to
> 2.2.17pre6, which didn't do any good.

Hmmm.  That's certainly recent enough.


Please let me know if enabling your loopback interface helps.  I think
there's some strange interaction between the routing code and the ARP
code going on here.

Regards,

--kevin
-- 
Kevin D. Clark          |                          |
[EMAIL PROTECTED]  | [EMAIL PROTECTED] |  Give me a decent UNIX
Enterasys Networks      | PGP Key Available        | and I can move the world
Durham, N.H. (USA)      |                          |


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