[CLUE-Tech] After DSL upgrade - some wierd problems

[David Anselmi]

Mark Gibson wrote:
[...]
> 1)  Access to my server from outside my line drops on average 4-5 times
> a week.  That is, I can still browse the internet from my lan, but when
> I try to get to my box remotely, I can't.  I host a few web sites I
> can't get to, and I can't ssh into my box - the connection eventually
> times out.  Once I reboot the zoom everything works fine.  Nothing in my
> system logs or the zoom log helps.

I've had this problem in the past.  It seems that something about the 
connection goes down and it takes traffic from the inside to bring it 
back up.  When traffic starts again the modem would log some PPP 
renegotiation so I always took it as an ISP issue.

Originally I solved this by having my server connect to the Internet 
every 15 minutes.  I'm not doing that since switching ISPs and it 
doesn't seem to be an issue anymore.

> 2) I can't "get to" my server from within my lan.  If I try 'ssh
> my.domain.name.com' I get:
> 
> ssh: connect to address 206.124.xx.xxx port 22: Connection refused
> 
> But I can get to it by doing 'ssh 192.168.1.1'.  I can also successfully
> ssh to my box remotely.

See http://clue.denver.co.us/pipermail/clue-tech/2004-April/009662.html

I'm not sure this was solved, I don't have this problem.  Might be a 
NAT/routing/filtering issue with the Zoom.

> I'll readily admit I'm a little confused about how my network should be
> configured with the zoom and it's 4 ethernet ports. I understood things
> much better with the 675 and a hub.  Is eth1 on server1 redundant now?
> 
> 
> Here's my setup:
> 
> Internet -> Zoom -> [eth1] server1
>             Zoom -> [eth0] server1
>             Zoom -> [eth0] server2
>             Zoom -> [eth0] server3

The Zoom ports are all part of the same LAN segment and you have server1 
connected twice using different subnets.  That isn't broken per se and 
there are times you might want to do that.  But I think that in your 
case it will just cause confusion so you should unplug one interface. 
Looks like you prefer the 192 subnet so unplug eth 0 (or unplug eth1 and 
reconfigure eth0).

[...]
> BTW, was anyone charged an installation fee by QWEST when they upgraded
> they're dsl?

I was not but I heard that they started charging $10 for that. 
Hopefully it wasn't more for you.

Dave