I have been reading this list for awhile and have learned a lot, and
appreciate the willingness for each to help. I have a problem that I have
tried all kinds of things to resolve. I've been attributing this problem
to the local bell but maybe the problem is not theirs.
My setup:
Linux 2.0.33 upgraded from Redhat 5.0, with pppd 2.3.5, and ipfwadm 2.3.0
for NAT and firewall.
I am working with two systems set up identical, the only differences are
that the first is set up as a dedicated router with an internal US Robotics
ISDN modem with channel bonding on, the other is used as a server and
router, with an internal US Robotics V.Everything 33.6 modem.
The symptoms:
They both seem to work fine under normal browsing, email and ftp (small
files) conditions. However, when I start a larger FTP that takes a longer
time ( I haven't been able to quantify this yet ), the link will either go
dead, stop transferring, but seems to remain active sometimes, other times
it disconnects completely. I assumed it was only happening on the ISDN
link, but it turns out that I am experiencing the same symptoms on a
completely different system with no similarity in hardware at all.
I've written a monitoring daemon that uses ping to periodically check the
other end of the link to ensure it is active and to shutdown ppp and
reconnect if it detects no activity, but this adds $20 or more a month to
the ISDN bill. I don't recall seeing this particular issue come across
this list, so if anyone has any suggestions, I'd be very grateful.
Regards;
Dave
--
Dave Records - Systems Analyst
Emerald Database Innovations, Inc. - http://www.emerald-edi.com
Developers of Procedium Electronic Commerce Adaptware(tm)
(616) 342-8065 (voice) - (616) 342-5121 (fax)
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