Hi,

On Mon, 9 Jan 2012, Pawlowski, Maciej wrote:
Hi,

We are going to set-up ASR1001 router for terminating PPP sessions from CPE 
devices via L2TP.

We must provide per-host IP reservation for each CPE (CPE might be 
preconfigured first). For some reasons ($:) ) we are looking for using DHCPd 
instead of CSACS.

why do you need dhcp just to get rid of Cisco Secure Access Control Server ?

Why not just use a different radius server for ppp aaa and be done with it. 
FreeRadius or Radiator would both do the job. And PPP with IPCP just sounds a 
lot more natural for L2TP than DHCP does.

Greetings
Christian

1. Does IOS-XE support relay of IPCP (or DHCP) requests from PPP clients to 
DHCP server ?
2. Which parameters are forwarded to DHCP server - the point is how DHCPd can 
identify particular CPE ?

I don't have a lot of experience on this topic, so the help is appreciated.

What about using FreeRadius for this ?


Cheers,

Maciek
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