[cisco-bba] L2TP on dynamic IP

Arie Vayner ariev at vayner.net
Wed Jan 19 14:58:12 EST 2011


What would most likely be a better solution for both solutions is to assign
the customer a fixed IP allocated from RADIUS when they connect over L2TP (I
assume PPP...)
This will allow you to have a static BGP session with the statically
allocated IP address.

Another option is to look at the BGP dynamic neighbors feature:

For IPSec there are quite a few solutions for IPSec sessions with dynamic
I think this could be a good starting point:


On Wed, Jan 19, 2011 at 8:23 PM, John Fitzgerald <
john.fitzgerald at internet.de> wrote:

> Hi,
> I've got two design questions:
> 1. Is it possible to map a net via L2TP (IPv4 PI Space) to a client, which
> comes from a dynamic IP Address? E.g he has RIPE PI Space AAA.BBB.CCC.DDD
> and as he connects, routers will allow traffic to his network
> AAA.BBB.CCC.DDD and BGPv4 will recognize an will aloe route servers to be
> changed...
> 2. Is it possible to have the IPSec with (1.)?
> Cheers,
> John
> _______________________________________________
> cisco-bba mailing list
> cisco-bba at puck.nether.net
> https://puck.nether.net/mailman/listinfo/cisco-bba
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <https://puck.nether.net/pipermail/cisco-bba/attachments/20110119/62c71abe/attachment.html>

More information about the cisco-bba mailing list