[cisco-nas] dhcp "like" ppp aaa - maybe silly question ;-)

[Aaron Leonard]

> Is there a way to have username/password authentication/accounting (with radius) when
> using dhcp, just like normal ppp?

> If yes, is there a way to have per-user (security, qos) attributes applied through radius?

Sounds like you're talking about 802.1X, or something like it, perhaps?

http://www.cisco.com/univercd/cc/td/doc/product/software/ios123/123newft/123limit/123x/123xa/gt_802_1.htm
http://www.cisco.com/univercd/cc/td/doc/product/lan/c3550/12113ea1/3550scg/sw8021x.htm

What exact physical topology connects these users to the network?

Aaron