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Date:      Wed, 11 Jul 2001 12:46:23 +0200
From:      Andreas Gerstenberg <ag@teuto.net>
To:        freebsd-atm@freebsd.org
Subject:   How to configure ATM point to point interfaces?
Message-ID:  <135650000.994848383@ag.intra>

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Hi,

I have a little problem defining point to point interfaces with FreeBSD 
using HARP with the IDT driver from Mark Tinguely.

I want to replace a Lucent DSL-Terminator which have about 30 connected 
DSL-CPE's (Lucent Cellpipe).

The present configuration is "unnumbered IP", the DSL-Terminator has one IP 
on its Fast-Ethernet and the IP Packets are routed on the CPE's Ethernet 
IP-Address. On the WAN (ATM) Interfaces is no transfer-net configured.

I tried this configuration using a FreeBSD-Box (4.3-STABLE), but I didn't 
find out how to conpigure the ATM-interfaces "unnumbered".

If I configure a transfer-net between the atm interface and the CPE 
(Cellpipe) everything works fine, for example:

atm set netif idt0 atm 50
atm attach idt0 sigpvc
ifconfig atm0 inet 212.8.196.173/30
atm add PVC idt0 0 103 AAL5 LLC/SNAP IP atm0 212.8.196.174
..and route the customers net to 212.8.196.174.

Of course, I can change all the configurations on the CPE's (adding a 
transfer-net on the WAN-IF, setting new default route, etc..) but this is a 
lot of work and must be done on all CPE's on the same time, which doesn't 
make the job easier :-)

Any suggestions?

Thanks,
  Andy



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