DHCPv6 Confirm in DOCSIS networks

[John Jason Brzozowski]

Tore your CMTS could be dropping the CONFIRM message. I know of only one
CMTS that drops this type of message.  The Cisco 10K.

On Friday, May 18, 2012, Erik Kline <ek at google.com> wrote:
>> It's sent to the ff02::1:2 multicast address. I'm using ISC dhclient
>> version 4.2.3-8.P2, the standard one included in Fedora 16. You can see
>> the two connections in the PCAP @ http://fud.no/get-init.pcap. Frames
>> 1-7 is the initial connection with no cached lease, 8-13 is after
>> reseating the Ethernet cable betwen my laptop and the modem. I don't see
>> anything wrong with the exchange, but maybe you have better eyes...
>
> Please pardon my ignorance, but what's that second AdvertiseXID in
> there?  It has a different server identifier and assigns a different
> address.  The Confirms all seem to be for the address in the first
> AdvertiseXID, not the 2nd.
>
> Is this normal?
>

-- 
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John Jason Brzozowski
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