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RE: CPE router acting as host on its WAN interface (RE: draft-ietf-v6ops-ipv6-cpe-router-03.txt WGLC)
> > So then, really, it's a question of the SP Rtr be
> > designed properly as per SP Rtr quality standards
> Where are those standards specified? And, do they say
> that the SP router should ignore the IsRouter flag?
Telcos will create the SP Router standards in the BBF, more than likely.
I wouldn't be surprised if CableLabs did standards for the cable
companies, but I have no direct knowledge of that. My guess is that the
BBF standards won't even mention the IsRouter flag. There will be no NS
or RS messages sent to CE routers (or hosts). So there will be no
solicited NA or RA messages coming from the CE routers. The current
requirement for CE routers supplied by BBF SPs is that they will never
send RA messages out the WAN interface, solicited or unsolicited (WAN
interface is not an advertising interface). No mention has been made of
unsolicited NA messages, so far. This is probably because no-one
realistically expects to see unsolicited NA messages. If people are
thinking about really implementing unsolicited NA, then I think it may
be necessary to say that they're undesirable.
I think that Wes and Hemant are correct in assuming that this IsRouter
flag thing will be a non-issue in SP Routers.
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