freeradius and dhcp relaying

Phil Mayers p.mayers at imperial.ac.uk
Thu Jan 13 12:18:29 CET 2011


On 13/01/11 11:03, Alan DeKok wrote:
> Seppo Sandberg wrote:
>> If I was inclined to create such a patch how would we begin to tackle the issue? I guess you would tell me how you would like to have it implemented?
>
>    See src/main/dhcpd.c
>
>    Look for "relay".  Add a cache (hash table or rbtree) for XID, and
> maybe (XID,MAC).  Add entries to the cache on forward, remove entries on
> reply.

What's the rationale for keeping state? I was under the impression that 
DHCP relays could be stateless. Since you can chain relays, but replies 
go straight back to the first one (via the giaddr field)



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