Cisco Cisco IOS Software Release 12.4(22)XR

CHAP-Password

No

CHAP password.

Yes

No

NAS-IP-Address

No

IP address of the PDSN interface used for communicating 
with RADIUS server. A loopback address could be use for 
this purpose.

Yes

No

Service-Type

No

Type of service the user is getting. Supported values 
include:

“Outbound” for MSID-based user access

“Framed” for other type of user access

Yes

Yes

Framed-Protocol

No

Framing protocol user is using. Supported values include:

PPP

Yes

Yes

Framed-IP-Address

Yes

IP address assigned to the user.

Yes

Yes

Session-Time-Out

Yes

Maximum number of seconds of service is to be provided 
to the user before session terminates. 

This attribute value becomes the per-user “absolute 
time-out.”

No

Yes

Idle-Time-out

Yes

Maximum number of consecutive seconds of idle 
connection allowed to the user before the session 
terminates. 

This attribute value becomes the per-user “idle-time-out”.

No

Yes

Calling-Station-ID

Yes

MSID identifier of the mobile user.

Yes

No

CHAP-Challenge 
(optional)

No

CHAP Challenge.

Yes

No

Tunnel-Type

No

VPN tunneling protocol(s) used. Supported values 
include:

1 for PPTP (not supported)

3 for L2TP

No

Yes

Tunnel-Medium-Type

No. Not 
supported

Transport medium type to use for the tunnel.

No

Yes

Tunnel-Client- Endpoint

No. Not 
supported

Address of the client end of the tunnel. When you specify 
Tunnel-Client-Endpoint, Tunnel-Server is not supported. 
Use L2TP

No

Yes

Tunnel-Server- Endpoint No. Not 

supported

Address of the server end of the tunnel.

No

Yes

Tunnel-Password

No. Not 
supported

Password to be used for authenticating remote server.

No

Yes

Tunnel-Assignment-ID

No. Not 
supported

Indicates to the initiator of the tunnel, identifier of the 
tunnel to which the session is assigned.

No

Yes