Chapter 8
| Authentication Commands
PPPoE Intermediate Agent
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forwards this information to all trusted ports designated by the pppoe
intermediate-agent trust command. The BRAS detects the presence of the
subscriber’s circuit-ID tag inserted by the switch during the PPPoE discovery
phase, and sends this tag as a NAS-port-ID attribute in PPP authentication and
AAA accounting requests to a RADIUS server.
â—† PPPoE IA must be enabled globally by this command before this feature can be
enabled on an interface using the pppoe intermediate-agent port-enable
command.
Example
Console(config)#pppoe intermediate-agent
Console(config)#
pppoe intermediate-
agent format-type
This command sets the access node identifier and generic error message for the
switch. Use the no form to restore the default settings.
Syntax
pppoe intermediate-agent format-type {access-node-identifier id-string |
generic-error-message error-message}
no pppoe intermediate-agent format-type {access-node-identifier |
generic-error-message}
id-string - String identifying this switch as an PPPoE IA to the PPPoE server.
(Range: 1-48 ASCII characters)
error-message - An error message notifying the sender that the PPPoE
Discovery packet was too large.
Default Setting
â—† Access Node Identifier: IP address of the management interface
â—† Generic Error Message: PPPoE Discover packet too large to process. Try
reducing the number of tags added.
Command Mode
Global Configuration
Command Usage
â—† The switch uses the access-node-identifier to generate the circuit-id for PPPoE
discovery stage packets sent to the BRAS, but does not modify the source or
destination MAC address of these PPPoE discovery packets.
â—† These messages are forwarded to all trusted ports designated by the pppoe
intermediate-agent trust command.
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