Re: [PWE3] [mpls] Solicit comments on draft-chen-mpls-ipv6-pw-lsp-ping

Mach,

I wonder if v6 lsp ping specs could be ammended to specify that if 
intermediate node needs to return "TTL expired" and do not have route back 
to the source they SHOULD send "TTL expired" along the same path as original 
packet would have taken. I know v4 lsp ping specs doesn't have such point, 
but since that creates problem in Inter-AS MPLS Option C environment while 
plain IP traceroute doesn't have such problem (due to above described ICMP 
tunneling) it would be nice if v6 lsp ping could fix the issue.

Cheers,
iLya

--------------------------------------------------
From: "Mach Chen" <mach.chen@huawei.com>
Sent: Thursday, November 24, 2011 3:46 AM
To: <mpls@ietf.org>
Cc: <pwe3@ietf.org>
Subject: [mpls] Solicit comments on draft-chen-mpls-ipv6-pw-lsp-ping

> Hi,
>
> We presented the draft in IETF 82th meeting (both in MPLS and PW3 WG) and 
> did not receive technical comments there. Although the authors think that 
> the draft is quite straightforward and stable, we'd like that you could 
> spend some time to read the draft and give your comments.
>
> Any comments and feedbacks are appreciated!
>
> Here is the pointer: 
> http://tools.ietf.org/html/draft-chen-mpls-ipv6-pw-lsp-ping-02 .
>
> Many thanks,
> Mach
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