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Date:      Tue, 25 Feb 2003 09:51:36 +1100
From:      Matthew Horoschun <mhoroschun@canprint.com.au>
To:        freebsd-isdn@FreeBSD.ORG
Subject:   Disconnection problem and configuration advice
Message-ID:  <8713CD4E-484A-11D7-A987-000393B3A702@canprint.com.au>

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Hi All,

I've been using isdn4bsd for some time now and as a general rule it 
works well. I do however have occasional problems where after a long 
period of continuous connection the link dies. Curiously enough, 
IP-layer diagnostics (ping, traceroute) show that the link is down, but 
isdn-monitor still reports the channels up and running (even with a 
small amount of traffic flowing).

The machine contains two Traverse NetJet-S cards and I'm using userland 
ppp (obviously with rbch devices). We use three channels in total. Two 
on the first card out to our ISP and one on the second card to another 
office. All channels are intended to stay up permanently.

Just before the link dies, I get the following messages:

Feb 25 06:46:53 zark /kernel: i4b-L1 itjc_dma_rx_intr: RDO (unit=0) 
dma=508 src=428
Feb 25 06:46:53 zark /kernel: i4b-L1 itjc_dma_rx_intr: RDO (unit=0) 
dma=520 src=428
Feb 25 06:47:48 zark /kernel: i4b-L2 i4b_rxd_ack: ((N(R)-1)=4) != 
(UA=5) !!!
Feb 25 06:48:58 zark /kernel: i4b-L4 i4b_l4_setup_timeout_fix_unit: 
1046116138: ERROR: idletime[60]+earlyhup[5] > unitlength[60]!
Feb 25 06:49:07 zark /kernel: i4b-L4 i4b_l4_setup_timeout_fix_unit: 
1046116147: ERROR: idletime[60]+earlyhup[5] > unitlength[60]!

Any help with pointing me to what is going on would be appreciated!

As an aside, I've never really understood the rates configuration 
properly or how they apply to userland ppp initiated connections. For 
an always-up connection, what should:

ratetype
unitlength
unitlengthsrc
idletime-incoming
idletime-outgoing
earlyhangup

be set to?

and what, if anything, should I put in isdnd.rates?

Many thanks for any assistance.

Matthew.

--
Matthew Horoschun
Network Administrator
CanPrint Communications Pty. Ltd.


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