Re: (ASCEND) TCP-IP "stalling" or stops routing on max6k

[Butch Evans <butch@sheltonbbs.com>]

On Mon, 19 Jun 2000, Scott Boggs wrote:

> Analog/v90/v34 user connects fine and at good line speed.
> They surf for a while then the connection locks up.  
> They cant ping beyond their gateway (the MAX 6096) so they lose
> DNS resolution, and all other IP sources.
> Connection is still up, it is not a disconnect problem.
> They just are not passing/routing the data.
> 
This sounds suspiciously like the USR "black hole of death".  Try
setting "AT S15=128" in the init string of the calling modem. (This
will disable this behavior on a USR modem, and perhaps others???)

I will generally try the following with these users:
1. REBOOT (especially Win9X)
2. Connect and surf until a lockup (the user should time this)
3. When the lockup occurs, disconnect and surf some more (also timed)

The times in 2 and 3 will most likely be within a minute of each
other and be less than 6-8 minutes if it is the problem mentioned
above.  If the criteria fit, then try the init string and start over
at step 2 (sometimes step 1) and see if the times are better.
-- 
Butch Evans
Shelton Internet
Network Admin

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