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Enabling or disabling a GRE traffic whitelist using the CLI

Published on Sep 12, 2026

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Use the CLI commands in this procedure to enable or disable a GRE traffic whitelist.

To enable a GRE traffic whitelist:

Go to CLI configuration mode.
hostname > enable hostname # configure terminal
Enable the GRE traffic whitelist.
hostname (config) # policymgr whitelist gre enable
Save your changes.
hostname (config) # write memory
Verify the status of a GRE traffic whitelist.
hostname (config) # show policymgr whitelist configGeneric Routing Encapsulation packet whitelist enabled: yes Port Based whitelist enabled: no

To disable a GRE traffic whitelist:

Go to CLI configuration mode.
hostname > enable hostname # configure terminal
Disable the GRE traffic whitelist.
hostname (config) # no policymgr whitelist gre enable
Save your changes.
hostname (config) # write memory
Verify the status of a GRE traffic whitelist.
hostname (config) # show policymgr whitelist configGeneric Routing Encapsulation packet whitelist enabled: no Port Based whitelist enabled: no

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