[105487] in North American Network Operators' Group

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Re: IPv4 source routing options and IPv6 Type 0 Routing Header

daemon@ATHENA.MIT.EDU (Randy Bush)
Thu Jun 26 02:44:57 2008

Date: Thu, 26 Jun 2008 15:44:34 +0900
From: Randy Bush <randy@psg.com>
To: Fernando Gont <fernando@gont.com.ar>
In-Reply-To: <200806260208.m5Q28Gqq019433@venus.xmundo.net>
Cc: nanog@merit.edu
Errors-To: nanog-bounces@nanog.org

sorry to pick this up so late.

source routing is still requested and sometimes mandated at inter-as
borders. for the reasons deepak stated.  note that this does not expose
any vulnerability.  source routing is only dangerous to hosts.

> Yes, sorry. The question should have been: Has IPv6 Type 0 Routing 
> Header ever been a requirement in v6 peering agreements?

not of which i am aware.  imiho, from ops pov extension headers are
unneeded kink.

randy


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