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Re: Bogon list

  • From: Miquel van Smoorenburg
  • Date: Wed Jun 05 11:34:27 2002
  • Distribution: cistron
  • Newsgroups: lists.nanog

In article <cistron.20020605144803.GB12164@overlord.e-gerbil.net>,
Richard A Steenbergen  <ras@e-gerbil.net> wrote:
>On Wed, Jun 05, 2002 at 08:34:58AM +0000, Miquel van Smoorenburg wrote:
>> 
>> I haven't seen a 'icmp source lo0' interface command yet. Hopefully
>> it will be added for ipv6 so exchanges can use link-local addressing
>> (ipv6 has no fragmentation, PMTUd is mandatory).
>
>I'm not terribly sure why you would want to make traceroutes lose all 
>information about the circuits you're traveling through. It would make 
>diagnostics an everloving nightmare, IMHO.

With link-local addressing and ip verify unicast reverse you're
not going to see any TTL exceeded traceroute packets from link-local
addresses anyway. And no ICMP size exceeded packets either, which
was my point.

But indeed it should be 'ip icmp type <TYPE> source <IP|INT>',
with at least a default 'ip icmp type 4 source lo0' or similar for
interfaces with link-local addressing.

Mike.




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