C
HAPTER
23
| Authentication Commands
PPPoE Intermediate Agent
– 859 –
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.
◆ 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
◆ Access Node Identifier: IP address of the management interface.
◆ Generic Error Message: PPPoE Discover packet too large to process. Try
reducing the number of tags added.
COMMAND MODE
Global Configuration
COMMAND USAGE
◆ 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.
◆ These messages are forwarded to all trusted ports designated by the
pppoe intermediate-agent trust command.
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