Ascend Archive
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Re: (ASCEND) Urgent TNT problem


 I have the same problem, The TNT will drop off the net and only return
for a couple of seconds etc.. My Opinion it's either the poorly engineered
Half Duplex Ethernet card or it's some sort of internal routing issue.
This is something Ascend has to fix and I don't think the problem is on
your side. 

What I have done to combat the problem is enabled a local profile on all
the TNT's, *(So When I call in and log into the TNT with this profile it
dumps me right down to the terminal login)* once there I use that account
to reset the TNT. Usually after a reset the box will work fine for days. 

FYI, Here I am using the 100M Half Duplex Interface for Uplink, I don't
touch those 10M interfaces.

Jason Nealis
Director Internet Operations / Network Access
Erols Internet

On Sun, 12 Apr 1998, AUG User wrote:

> Hello there - asking for help on our current major TNT problem.
> 
> We have 20 TNT shelfs. Half of them are running 1.3Ap24 and are equipped
> with K56 modems. The others are running 1..3A, 1.3Ap2 or 1.3Ap6 and are
> equipped with V34 modems.
> The 10 shelfs running 1.3Ap24 has today all stopped communicating on alle
> interfaces (looks like) except for some small 10 sec periods (ping alive)
> once per abt. 5 minutes. 
> We hare also about 100 4000s - all still running without problems.
> A hareware boot of a sick TNT does help - but just for a small amount of
> time before the problem rearrives - time enough for downgrading to 1.3Ap6.
> After another reboot, the problem has gone !!
> 
> We are using snmp for e.g. getting modem usage and so. For about 3 days
> ago all our TNT-s stopped responding to snmp requests, I do nok know if
> this has something to do with this situation.
> 
> Finaly I should say that this has nothing to do (as i can see right
> now) with the ongoing security issue on Ascend equipment, because we have
> discarded any udp packets on the mentioned port.
> 
> I hope someone can give us a hint to make the troubbleshuting go further.
> 
> Kind regards
> 
> Henrik Vestergaard
> Network Manager
> Tele Danmark
> 
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