Ascend Archive
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RE: (ASCEND) ISDN Up all the time??!!

I would suggest reviewing these article from http://www.microsoft.com/kb or
e-mail mshelp@microsoft.com with Qxxxxxx in subject field.

Browsing & Other Traffic Incur High Costs over ISDN Routers   [winnt]
ID: Q134985

Minimizing WAN Traffic                                        [winnt]
ID: Q142692

How to Tune Trusts for Dialup Routers in a WAN                [winnt]
ID: Q154355 

> -----Original Message-----
> From:	Michael Hyman [SMTP:mhyman@quickturn.com]
> Sent:	Friday, January 30, 1998 1:32 PM
> To:	ascend-users@bungi.com
> Cc:	Michael Hyman
> Subject:	(ASCEND) ISDN Up all the time??!!
> 
> Hello,
> 
> I am having a problem that Ascend tech support (with contract :) ) could
> not help with.
> 
> We have several P75's in the field and some of them are keeping the line
> up
> all the time, resulting in outrageous charges, like $50,000 in one month.
> 
> I am using the standard IP call filter, but nothing else.
> 
> What concerns me is that the router is doing exactly what it should be
> doing, routing data. In other words, I know that if it sees data, it will
> either keep a session active, or initiate a session.
> 
> Has anyone dealt with this errant ISDN use, and if so what did they do to
> stop it. I am thinking of making a filter that blocks all packets, except
> for ... This exclude list would include DNS, SMTP, some of our own
> proprietary protocols, and maybe HTTP. All other data would be blocked. Is
> this the only way to go??  Does anyone have such a filter they could share
> with me as an example??
> 
> The environment in each office is similar
> 
> 	PC's running NT WS, version 3.51 or 4.0. They are using a remote
> PDC, located
> 	at the central site. They are using NetBios over TCP/IP.
> 
> 	Unix systems, mostly Sun's. They get their mail and DNS/NIS locally
> on 
> 	a server in that office. 
> 
> I know I am not providing a lot of detail, the problem is that we do not
> have much. Just BIG bills. With the exception of people running endless
> pings, which does happen some times, the users swear they are doing
> nothing
> that would keep the lines active.
> 
> Any help would be greatly appreciated!!!!!
> 
> Thanks in advance...Michael
> 
> 
> /------------------------------------------------------------------------\
> | Michael Hyman                              Quickturn Design Systems    |
> | Manager, Information Technology Group      55 West Trimble Road        |
> | mhyman@quickturn.com                       San Jose, Ca. 95131         |
> | (408) 914-6409 Voice                       (408) 914-6909 Fax          |
> |                                                                        |
> | "Out the 10Base-T, through the router, off the bridge, over the leased |
> |       line, past the firewall, down the T1...nothing but Net."         |
> \------------------------------------------------------------------------/
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