show vlan security

show [ {vlan} vlan_name | vlan vlan_list] security

Description

Displays the MAC limit-learning and lock-learning information for the specified VLAN (Virtual LAN).

vlan_name	Specifies a VLAN name.
vlan_list	Specifies a VLAN list of IDs.

N/A.

The switch displays the following information:

Port—Indicates the port on which the MAC address has been learned.
Limit—Indicates that there is either a limited or unlimited amount of learned entries.
State—Indicates that the current FDB (forwarding database) entries for the port are permanent, no additional entries are learned, or that the port allows unlimited, dynamic learning.
Learned—Specifies the number of learned entries.
Blackholed—Specifies the number of blackholed entries.
Locked—Specifies the number of locked entries.

The following sample output displays the security setting of the DHCP (Dynamic Host Configuration Protocol) server for the VLAN blue:

#show vlan blue security
Port      Limit     State     Learned     Blackholed  Locked
24        Unlimited Unlocked  0           0           0

This command was first available in ExtremeXOS 11.1.

The vlan_list variable was added in ExtremeXOS 16.1.

This command is available on the Summit X450-G2, X460-G2, X670-G2, X770, and ExtremeSwitching X440-G2, X590, X620, X690, X870 series switches.

Published July 2019prev | next