IPv4 source routing options and IPv6 Type 0 Routing Header

Joel Jaeggli joelja at bogus.com
Wed Jun 25 23:07:23 UTC 2008

Fernando Gont wrote:
> Hello, folks,
> Quite a few times it has been mentioned to me that some peering 
> agreements require support for the IPv4 source routing options. I was 
> wondering whether this is still the case for some ISPs, or it is not the 
> case anymore.

I haven't observed it in the recent past. looking backwards I can see a 
handfull of operators that did it (LSR) by policy everywhere in 2002.

> I was also wondering if it has ever been the case that IPv6 peering 
> agreements have required support for Type 0 Routing Header and, if it 
> has, whether that still happens nowadays. (I guess not, but....)

I think you'd be hardpressed to find an operator that would knowingly 
honor rh(0) headers

> Thanks so much!
> Kind regards,
> -- 
> Fernando Gont
> e-mail: fernando at gont.com.ar || fgont at acm.org
> PGP Fingerprint: 7809 84F5 322E 45C7 F1C9 3945 96EE A9EF D076 FFF1

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