Filter
Top Products
5-12
Cisco 10000 Series Router Software Configuration Guide
OL-2226-23
Chapter 5 Configuring the Layer 2 Tunnel Protocol Access Concentrator and Network Server
Layer 2 Access Concentrator
Example 5-4 Configuring Communication with the RADIUS Server
!
aaa new-model
aaa authorization network default local group radius
!
radius-server host 10.16.9.9 auth-port 1645 acct-port 1646
radius-server attribute 44 include-in-access-req vrf vrf1
radius-server key MyKey
radius-server vsa send authentication
Verifying Communication with the RADIUS Server
To verify that you successfully configured the LAC to communicate properly with the RADIUS server
for tunnel service authorization, enter the show running-config command in privileged EXEC mode.
Configuring Sessions Per Tunnel Limiting on the LAC
To limit the number of sessions per tunnel without using a RADIUS server, enter the following
commands.
Note You can configure the LAC or the RADIUS server to limit the number of sessions per tunnel. For
information on using the RADIUS server for sessions per tunnel limiting, see the
“Configuring Sessions
Per Tunnel Limiting in the RADIUS Service Profile” section on page 5-16.
Step 5
Router(config)# radius-server attribute
44 include-in-access-req vrf vrf-name
Sends RADIUS attribute 44 (Accounting Session ID) in access
request packets before user authentication (including requests for
preauthentication).
Step 6
Router(config)# radius-server
domain-stripping vrf vrf-name
(Optional) Enables VRF-aware domain-stripping.
The vrf vrf-name argument specifies the per VRF configuration.
Step 7
Router(config)# radius-server attribute
list list-name
Defines the list name given to the set of attributes defined using
the attribute command.
Step 8
Router(config)# radius-server key string
Specifies the authentication and encryption key for all RADIUS
communications between the router and the RADIUS daemon.
Step 9
Router(config)# radius-server vsa send
authentication
Configures the LAC to recognize and use vendor-specific
attributes.
Command Purpose
Command Purpose
Step 1
Router> enable
Enters privileged EXEC mode.
Step 2
Router# configure terminal
Enters global configuration mode.
Step 3
Router(config)# vpdn-group group-name
Defines a local group name for which you can assign other VPDN
variables. Enters VPDN group configuration mode.
Step 4
Router(config-vpdn)# request-dialin
Enables the LAC to request L2TP tunnels to the LNS and enters
VPDN request-dialin group mode.
Step 5
Router(config-vpdn-req-in)# protocol 12tp
Specifies the Layer 2 Tunnel Protocol.