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Re: DSL connection has stopped working in Debian.



On Sunday 23 September 2001 05:50 am, Jack Andrews wrote:

My only question is have you run apt-get lately?  Maybe a package was updated 
and something changed.

I would've suggested checking the cable, but if you can ping then it's 
probably fine, so I'm at a loss.  That's pretty weird.

I think if you run "ifconfig" and your interface isn't bound to anything then 
it won't show up.  Or that might be when there's an error with it.  "ifconfig 
-a" should show all the interfaces.

> The setup.
>
> -Debian Woody with DSL connection (eth0) acting as router for
> NAT'd LAN (eth1)
> -Using dhc-client for DHCP on the DSL line
>
> Everything was working fine until a reboot yesterday.  Now the DSL
> connection is busted.
>
> During bootup, when eth0 is brought up, this is the first thing that
> appears:
>
> Eth0: Media is unconnected, link down, or incompatible connection.
>
> Now, I've been getting this message during bootup for a while now, but
> after a long period of time, the system would continue to boot up and
> the network connection would work normally.  Not now, though.
> After a long timeout period, dhc-client prints out a lot of DHCP
> information that makes it look like it contacted the DHCP server correctly,
> but with a "Reason=TIMEOUT" line at the end that I haven't seen before.
>
> Once the box finished booting, Eth0 is listed as not being up.  If I bring
> it up, I'm told that it's already up.  If I ifdown it, then ifup it again,
> there's another "Media is unconnected error" and a return to a prompt, but
> the interface is listed as up after that.  In the system log after I do
> that, I can see that dhc-client has gone through the DISCOVER, OFFER,
> REQUEST, ACK process, complete with a "Bound to 216.63.xyz.xyz" message.
>
> At this point, I can ping the IP of the DHCP server, and it works.  I can
> ping random IPs on the same subnet (probably other DSL customers),
> and it works.  But I can't ping the gateway address (216.63.148.0) or
> anything outside the subnet.   I can't ping the nameservers, because
> they're on a different subnet.  Pinging anything outside the subnet yields
> "Network Unreachable."  Pinging the ISP's router yields no replies.
>
> The "route" command shows this:
>
> 216.63.148.0 * 255.255.254.0 U 0 0 0 eth0
>
> I'm wondering if maybe the ISP's router (216.63.148.0) is just down, but
> this problem has persisted after nearly 14 hours, so I'd think they'd have
> noticed by now.   Or it's possible that the router just ignores pings, and
> the problem is on my end.
>
> I'd greatly appreciate any suggestions here.  This Debian box is a web
> server and mail server and is considered "mission critical" (yeah, I know
> it's dumb to trust a DSL line for anything important, but times are
> tough), and I'll have some unhappy users to deal with if I can't get this
> worked out.  Thanks a lot!
>
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