I'm wondering if this is a trick question. My first thought is that if
you only configure an IP address on the link then only IP will pass over
the link. Without additional configuration this alone would stop IPX,
AT, bridged traffic, etc. from crossing the link.
Another thought is that DLSw+ is IP, yet it carries bridged traffic.
Do you want to stop that? Use an access list.
The only other traffic then might be CDP, so use 'no cdp enable' on the
BRI to turn that off.
I suppose you wouldn't be able to stop someone from tunneling some
other protocol in IP over the link but I don't think you're concerned
about that.
Am I making this harder than you intended? :-) Forgive me, I need
more coffee and I have a cold.
Regards,
John
Robert McCallum 12/3/01 1:58:13 AM
Hi,
Simple question here but how can you ensure that when an ISDN line is
Up
that no matter what is configured that ONLY IP can go across the line.
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