Ascend Archive
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Re: (ASCEND) MAX ARP cache and reconnect problem
Sorry to bug the list again, but can I assume no one has experienced and/or
solved the problem described by the following message (posted to the list
early this week)?
Going once... going twice...
----------
> From: Chris McDonough <chris@auditek.com>
> To: 'ascend-users@bungi.com'
> Subject: (ASCEND) ASCEND MAX ARP cache and reconnect problem
> Date: Tuesday, September 02, 1997 9:05 AM
>
> I'm hoping maybe you folks can help me.
>
> I'm an end-user and not an administrator of Ascend equipment. However,
my
> ISP has Ascend MAX 4004s... and I have issues. Ugh.
>
> Here is the order of events which causes me trouble:
>
> - ISDN or analog PPP connection is established from me to my ISP.
> - Data flows.
> - Connection gets dropped.
> - I wait 10 seconds
> - I redial back in to the ISP
> - PPP connection is established (verified through debug logs)
> - No data flows on link.
> - Disconnect from ISP
> - Wait 2 minutes
> - Call back to ISP
> - PPP connection is established
> - Data flows (normally) on link.
>
> It seems I have to wait at least a minute and a half before attempting to
> redial into the ISP's MAX after a dropped or user-terminated connection.
> The same symptoms are not evident with another (long-distance) service
> provider.
>
> Complaints to the ISP have produced the answer of (paraphrased)
"There's
> a bug in the networking code of our Ascend equipment which causes this
> behavior. Specifically, the Ascend MAX 4004's ARP cache does not get
> flushed fast enough, and pauses of up to 5 minutes between reconnections
> are therefore necessary. We have been working on this issue for a while
> now, and have contacted other local ISPs such as Erols about it and they
> have the same issue. Ascend needs to fix their software. We'll keep you
> posted."
>
> I have a phd (push-here-dummy) demand-dial configuration on my end which
> supports an application used by nontechnical end-users. They do not
> understand why their applications time out (after a dropped connection,
the
> 2-minute pause I've set up is a real killer). And they're pissed. I
like
> the ISP, and I do not want to switch after some real nightmares with
other
> providers (it's a devil-you-know scenario).
>
> Is this a well-known issue? Can I provide more information that is
helpful
> in diagnosing this problem?
>
> Thanks for your advice.
>
> Chris McDonough
> auditek, inc.
>
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