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
◆ 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.
◆ 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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