pass-through

Enables pass-through which allows certain protocol packets to pass through ports that are enabled for Flexible authentication.
Syntax
pass-through { cdp | fdp | lldp }
no pass-through{ cdp | fdp | lldp }
Command Default

Pass-through is not enabled.

Parameters
cdp
Specifies the Cisco Discovery Protocol to pass through.
fdp
Specifies the Foundry Discovery Protocol to pass through.
lldp
Specifies the Link Layer Discovery Protocol to pass through.
Modes

Authentication mode

Usage Guidelines

This command specifies the protocols to be passed through even though the client is not authenticated.

The no form of the command disables pass-through.

Examples

The example enables LLDP for pass-through.

device(config)# authentication
device(config-authen)# pass-through lldp
History
Release version Command history
08.0.20 This command was introduced.