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RADIUS Attribute 31: PPPoX Calling Station ID
Table 16-1
Enabled Calling-Station-ID Formats by Session Type
Session Type
MAC-only
PPPoA
Not applicable
PPPoEoA
Not applicable
PPPoEoE
macaddr
Table 16-2
Table 16-2
Field
domainname
hostname
int_desc
macaddr
vci
vpi
The RADIUS logical line ID allows operators to download the Calling-Station-ID from RADIUS during
Note
the preauthentication phase. The RADIUS Logical Line ID feature allows a download of the attribute at
session start time. You should not use the RADIUS Logical Line ID feature with the RADIUS Attribute
31: PPPoX Calling Station ID feature; using both features causes two instances of the attribute in the
RADIUS IOS database for a particular user.
Restrictions for PPPoX Calling Station ID
The following restrictions apply to the RADIUS Attribute 31: PPPoX Calling Station ID feature:
•
•
•
•
•
Cisco 10000 Series Router Software Configuration Guide
16-52
Nas-Port
hostname.domainname:int_desc:vpi:vci
hostname.domainname:int_desc:vpi:vci
hostname.domainname:int_desc:macaddr
describes the Calling-Station-ID attribute fields.
Calling-Station-ID Attribute Fields
Description
Configured domain name of the local router
Configured host name of the local router
Description specified for the configured ATM interface
MAC address received from the client
Virtual channel identifier (VCI) for the configured ATM interface
Virtual path identifier (VPI) for the configured ATM interface
Do not use the RADIUS Logical Line ID feature with the RADIUS Attribute 31: PPPoX Calling
Station ID feature. Using both features causes two instances of the attribute in the RADIUS IOS
database for a particular user.
While this feature can be used with any vendor's RADIUS server, some RADIUS servers can require
modifications to their dictionary files to allow the Calling-Station-ID attribute to be presented
correctly in the RADIUS logs.
This feature supports only RADIUS; TACACS+ is not supported.
Currently, PPPoEoVLAN and PPPoEoQinQ do not provide information on VLAN tags; only the
MAC address is provided to the RADIUS server.
RADIUS attribute 31 (Calling-Station-ID) is not supported for L2TP Network Server (LNS)
environments. If you enable this attribute on an LNS, the attribute is not sent to the RADIUS server.
Enabled Calling-Station ID Format
Chapter 16
Configuring RADIUS Features
MAC-only and Nas-Port
hostname.domainname:int_desc:vpi:vci
hostname.domainname:int_desc:vpi:vci
macaddr
OL-2226-23
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Troubleshooting
