Date: Wed, 11 Jul 2001 09:01:32 -0700 (PDT) From: Richard Hodges <rh@matriplex.com> To: Andreas Gerstenberg <ag@teuto.net> Cc: freebsd-atm@FreeBSD.ORG Subject: Re: How to configure ATM point to point interfaces? Message-ID: <Pine.BSF.4.10.10107110849210.23457-100000@mail.matriplex.com> In-Reply-To: <135650000.994848383@ag.intra>
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On Wed, 11 Jul 2001, Andreas Gerstenberg wrote:
> 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".
Right, there is no option for unnumbered.
> 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 :-)
I don't have much experience with the Cellpipe, but if you have it set
for unnumbered, it probably won't know or care that you have an IP
address at the other end of the interface. Presumably, they are using
the WAN interface as their default gateway. So I would suggest:
1. Leave the Cellpipe interfaces unnumbered, and they should continue
to send their outbound traffic out the WAN (ADSL) port.
2. On your HARP interfaces configure the PVC interfaces with RFC1918
(private) addresses.
3. For the routes, specify the PVC interface instead of the IP address:
eg, route add -net 223.255.255.0 -netmask 255.255.255.0 -iface atm1
If that doesn't work, then use the remote private address:
eg, route add -net 223.255.255.0 -netmask 255.255.255.0 192.168.200.2
I believe this should work for you. If not, there might be a way to get
what you want with a small change to the HARP code.
All the best,
-Richard
-------------------------------------------
Richard Hodges | Matriplex, inc.
Product Manager | 769 Basque Way
rh@matriplex.com | Carson City, NV 89706
775-886-6477 | www.matriplex.com
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