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[mif] Announcing draft-mouton-mif-dhcpv6-drlo-00 about default route with DHCPv6

Alexandru Petrescu <alexandru.petrescu@gmail.com> Tue, 02 August 2011 15:23 UTC

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Date: Tue, 02 Aug 2011 17:23:15 +0200
From: Alexandru Petrescu <alexandru.petrescu@gmail.com>
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Subject: [mif] Announcing draft-mouton-mif-dhcpv6-drlo-00 about default route with DHCPv6
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Dear MIF,

We would like to announce a new draft focusing to offer default route
with DHCPv6:

            "Default Router List Option for DHCPv6 (DRLO)"
                draft-mouton-mif-dhcpv6-drlo-00.txt
http://tools.ietf.org/html/draft-mouton-mif-dhcpv6-drlo-00.txt

Thank you in advance for commenting on this draft.

Alex and Maximilien

--------------------------------------------------------------------
Implementation Details

A prototype linux implementation is ongoing, and modifies ISC Client and
Server; Relay works unmodified.

A wireshark capture is attached (dissector code available upon request).

Server uses a new pattern of 'format codes' "6SmMoA", and the conf file
says:
[...]
> option dhcp6.default-router 2002:c130:13c1:11f::ff 8400
> 00:07:32:06:7e:72,2002:c130:13c1:11f:13c1:11f::fe 88
> 00:07:32:06:7e:73 ,2002:c130:13c1:11f::f5 8300 ;
[...]

Client conf file says:
> interface "eth0"{ request
> dhcp6.domain-search,dhcp6.name-servers,dhcp6.default-router; }
Client says:
> RCV:  X-- Server ID: 00:01:00:01:15:67:c9:7d:00:12:3f:1c:a2:95
> RCV:  | | X-- TEST_AJOUT eth0 et 0 et 2.
> RCV:  | | X-- DEFAULT_ROUTER_ADDR 2002:c130:13c1:11f::ff.
> RCV:  | | | X-- Default_router_lifetime 8000.
> RCV:  | | | X-- Default_router_link_layer_addr 00:22:68:17:59:ae.
> RCV:  | | X-- TEST_AJOUT eth0 et 0 et 2.
> RCV:  | | X-- DEFAULT_ROUTER_ADDR 2002:c130:13c1:11f::fe.
> RCV:  | | | X-- Default_router_lifetime 8400.
> RCV:  | | | X-- Default_router_link_layer_addr 00:07:32:06:7e:72.
> RCV:  Advertisement recorded.

After execution of the DHCP exchange, the neigh cache is (note "expires"
corresponding to the lifetime):
> # ip -6 route show
[...]
> default via 2002:c130:13c1:11f::ff dev eth0  proto kernel metric 1024
> expires 7752sec mtu 1500 advmss 1440 hoplimit 0
[...]

Thank you for considering this draft.

Alex

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