[195980] in North American Network Operators' Group
RE: DHCPv6-PD -> Lack of route injection in RFC
daemon@ATHENA.MIT.EDU (Aaron Gould)
Mon Sep 25 07:59:59 2017
X-Original-To: nanog@nanog.org
From: "Aaron Gould" <aaron1@gvtc.com>
To: "'Steve Teusch'" <steve.teusch@rtr.guru>
In-Reply-To: <MWHPR10MB1647A9D9F8562FAA66666B22F6670@MWHPR10MB1647.namprd10.prod.outlook.com>
Date: Mon, 25 Sep 2017 06:59:58 -0500
Cc: nanog@nanog.org
Errors-To: nanog-bounces@nanog.org
I don't know about brocade, but here's what I see in Junos and IOS...
....dhcpv6 relay binding seen...
{master:0}
agould@eng-lab-5048-2> show dhcpv6 relay binding routing-instance three
Prefix Session Id Expires State Interface Client
DUID
2699:2699:0:7::100/128 199 2591002 BOUND irb.26
LL_TIME0x1-0x1861ed8c-e8:03:9a:eb:0d:21
....that same binding above is seen as a /128 route of type
access-internal...
{master:0}
agould@eng-lab-5048-2> show route table three.inet6.0 2699:2699:0:7::100/128
three.inet6.0: 16 destinations, 38 routes (16 active, 0 holddown, 0 hidden)
+ = Active Route, - = Last Active, * = Both
2699:2699:0:7::100/128
*[Access-internal/12] 1w5d 03:19:06
> to fe80::fd61:6bfe:da75:4801 via irb.26
---------------------------------------------------------------------------
....dhcpv6 relay binding seen...
eng-lab-3600-1#sh ipv6 dhcp relay binding vrf three
Prefix: 2699:2699:FE00:30::/64 (Vlan26)
DUID: 00030001B0B2DCCB1D1E
IAID: Unknown
lifetime: 2592000
expiration: 06:21:48 CDT Oct 25 2017
....that same binding above is seen as a /64 route of type static...
eng-lab-3600-1#sh ipv6 route vrf three 2699:2699:FE00:30::/64
Routing entry for 2699:2699:FE00:30::/64
Known via "static", distance 1, metric 0
Route count is 1/1, share count 0
Routing paths:
FE80::B2B2:DCFF:FECB:1D1E, Vlan26
Last updated 3w4d ago
eng-lab-3600-1#sh ipv6 route vrf three static
IPv6 Routing Table - three - 18 entries
Codes: C - Connected, L - Local, S - Static, U - Per-user Static route
B - BGP, R - RIP, I1 - ISIS L1, I2 - ISIS L2
IA - ISIS interarea, IS - ISIS summary, ND - ND Default, NDp - ND
Prefix
DCE - Destination, NDr - Redirect, O - OSPF Intra, OI - OSPF Inter
OE1 - OSPF ext 1, OE2 - OSPF ext 2, ON1 - OSPF NSSA ext 1
ON2 - OSPF NSSA ext 2
....
S 2699:2699:FE00:30::/64 [1/0]
via FE80::B2B2:DCFF:FECB:1D1E, Vlan26
...and as you can see, I have no static routes configured ... so it's
interesting that these routes are seen as static....
eng-lab-3600-1#sh run | in ip route
eng-lab-3600-1#
-Aaron Gould
