Command Reference Guide Ethernet Interface Configuration Command Set
61200510L1-35E Copyright © 2005 ADTRAN 652
switchport protected
Use the switchport protected command to prevent the port from transmitting traffic to all other protected
ports. A protected port can only send traffic to unprotected ports. Use the no form of this command to
disable.
Syntax Description
No subcommands.
Default Values
This command is disabled by default.
Applicable Platforms
This command applies to the NetVanta 1000 and 1000R Series units.
Command History
Release 10.1 Command was introdu ced.
Usage Example
In the example be lo w, all three of the ports are on VLAN 3, and eth 0/ 1 an d et h 0/2 are designate d as
protected ports. Eth 0/3 is unprotected. Eth 0/1 and eth 0/2 will be allowed to send traffic to eth 0/3, but
traffic traveling between eth 0/1 and eth 0/2 will be blocked.
#configure terminal
(config)#interface eth 0/1
(config-eth 0/1)#switchport access vlan 3
(config-eth 0/1)#switchport protected
(config-eth 0/1)#exit
(config)#interface eth 0/2
(config-eth 0/2)#switchport access vlan 32
(config-eth 0/2)#switchport protected
(config-eth 0/1)#exit
(config)#interface eth 0/3
(config-eth 0/3)#switchport access vlan 3