DHCPv6 Router Option

Carl Holzhauer cholzhauer at sscorp.com
Thu Aug 5 15:42:55 UTC 2010


This is one of the things I don't like about the way they've done the IPv6 RA/DHCP stuff, but Rudy's right.

RA from linux or from a Cisco ASA is pretty simple to set up...let it take care of assigning addresses and just have DHCP add the extra options

-----Original Message-----
From: dhcp-users-bounces+cholzhauer=sscorp.com at lists.isc.org [mailto:dhcp-users-bounces+cholzhauer=sscorp.com at lists.isc.org] On Behalf Of Rudy Zijlstra
Sent: Thursday, August 05, 2010 11:30 AM
To: Users of ISC DHCP
Subject: Re: DHCPv6 Router Option

Bradlee Landis wrote:
> I've had a rather hard time narrowing down what my problem is (listed 
> at 
> http://serverfault.com/questions/167410/windows-7-failing-ping-on-ipv6
> -in-dhcp-setup), and I think I've finally figured out that Windows 7 
> does not put the proper routes in place unless a default router is 
> listed. I cannot for the life of me find the option to set the router 
> in dhcpd6.conf.
> `option routers` only works for IPv4. and I tried adding the `option 
> dhcp6.defgateway code 99 = ip6-address` variable, and setting it, but 
> that did nothing.
>
> Any ideas?
>
>   
Hi Bradlee,

For IPv6 this is solved outside of DHCP. You need to be running a router advertisement from the router.

Cheers,


Rudy
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