Chapter 8
| Authentication Commands
PPPoE Intermediate Agent
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pppoe
intermediate-agent
trust
This command sets an interface to trusted mode to indicate that it is connected to a
PPPoE server. Use the no form to set an interface to untrusted mode.
Syntax
[no] pppoe intermediate-agent trust
Default Setting
Untrusted
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
â—† Set any interfaces connecting the switch to a PPPoE Server as trusted.
Interfaces that connect the switch to users (PPPoE clients) should be set as
untrusted.
â—† At least one trusted interface must be configured on the switch for the PPPoE
IA to function.
Example
Console(config)#interface ethernet 1/5
Console(config-if)#pppoe intermediate-agent trust
Console(config-if)#
pppoe
intermediate-agent
vendor-tag strip
This command enables the stripping of vendor tags from PPPoE Discovery packets
sent from a PPPoE server. Use the no form to disable this feature.
Syntax
[no] pppoe intermediate-agent vendor-tag strip
Default Setting
Disabled
Command Mode
Interface Configuration (Ethernet, Port Channel)
Command Usage
This command only applies to trusted interfaces. It is used to strip off vendor-
specific tags (which carry subscriber and line identification information) in PPPoE
Discovery packets received from an upstream PPPoE server before forwarding
them to a user.
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