Cisco 10000-2P2-2DC Software Guide - Page 210
Configuring Vendor-Specific Attributes on RADIUS, Example 5-15
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L2TP Network Server Chapter 5 Configuring the Layer 2 Tunnel Protocol Access Concentrator and Network Server Configuring Vendor-Specific Attributes on RADIUS Cisco IOS Release 12.2(15)BX adds Cisco-specific VPDN RADIUS attributes to support RADIUS tunnel authentication. To configure the RADIUS server for tunnel authentication, you must configure the following vendor-specific attributes (VSAs) on the RADIUS server: • vpdn-vtemplate-Specifies the virtual template number to use for cloning on the LNS. This attribute corresponds to the virtual template associated with the local VPDN group on the LNS. This attribute is not required if you used the vpdn tunnel authorization virtual-template command on the LNS to configure a default virtual template to use for cloning. Cisco:Cisco-Avpair = "vpdn:vpdn-vtemplate = " • dout-dialer-Specifies the LAC dialer to use on the LAC for a dialout configuration. Cisco:Cisco-Avpair = "vpdn:dout-dialer = " • Service-Type-Specifies an outbound or inbound service type. In the tunnel authorization request, the LNS sets the Service-Type attribute to Outbound. Therefore, in the RADIUS configuration you must also configure an Outbound Service-Type. Service-Type = Outbound Note • For information about RADIUS attributes supported on the Cisco 10000 series router, see Appendix A, "RADIUS Attributes" or see the "RADIUS Attributes" appendix in the Cisco IOS Security Configuration Guide, Release 12.2. • For more information about configuring RADIUS, see your RADIUS user documentation. Example 5-15 is a RADIUS configuration that allows the LNS to terminate L2TP tunnels from a LAC. In this configuration, VirtualTemplate10 is used to clone a virtual access interface (VAI) on the LNS. Example 5-15 Configuring RADIUS for LNS Termination of L2TP Tunnels from a LAC myLACname Password = "cisco" Service-Type = Outbound, Tunnel-Type = :0:l@TP, Tunnel-Medium-Type = :o:IP, Tunnel-Client-Auth-ID = :0:"myLACname", Tunnel-Password = :0:"mytunnelpassword", Cisco:Cisco-Avpair = "vpdn:vpdn-vtemplate=10" Example 5-16 is an LNS configuration that supports RADIUS tunnel authentication. In this configuration, a RADIUS server group is defined using the aaa group server radius VPDN-Group command. The aaa authorization network mymethodlist group VPDN-Group command queries RADIUS for network authorization. Example 5-16 Configuring the LNS to Support RADIUS Tunnel Authentication aaa group server radius VPDN-Group server 64.102.48.91 auth-port 1645 acct-port 1646 aaa authorization network mymethodlist group VPDN-Group vpdn tunnel authorization network mymethodlist vpdn tunnel authorization virtual-template 10 5-44 Cisco 10000 Series Router Software Configuration Guide OL-2226-23
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