[c-nsp] IP address assignment to pppoe clients - Radius or DHCP

[Hitesh Vinzoda]

Thanks for all your support,

Now the scenario is that how to achieve redundancy in LNS environment, I
have heard that HSRP doesnt work in this case.

TIA

Hitesh

On Wed, Mar 9, 2011 at 12:28 AM, Bjørn Mork <bjorn at mork.no> wrote:

> Hitesh Vinzoda <vinzoda.hitesh at gmail.com> writes:
>
> > But the problem is How to assign the
> > DNS ip addresses and default gateway or default route <Framed-route>
> using
> > Radius, though I m carrying wrong perception as there is as such no
> > attribute in Radius which assigns DNS ip addresses from Radius. these
> makes
> > me to think that it is the job of DHCP servers.
>
> There are no standard RADIUS attributes for DNS server assignment, but
> many vendors have vendor specific solutions.  Cisco's would be
>
>  Cisco-AVPair := "ip:dns-servers=10.0.0.1 10.0.0.2"
>
>
> Most ppp clients will point their default route to the other end of the
> ppp link, i.e. whatever unnumbered interface you are referring to in
> your Virtual-Template.  I don't understand why you would want to set via
> RADIUS.  AFAIK, IPCP doesn't include any routing information, so you
> would have to run some other protocol over the PPP link to communicate
> the route to the client. DHCP would fit.
>
>
> Bjørn
>