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Software Configuration Guide—Release 15.0(2)SG
OL-23818-01
Chapter 49 Port Unicast and Multicast Flood Blocking Configuring Port Blocking
Broadcast Suppression Level: 100
Multicast Suppression Level: 100
Unicast Suppression Level: 100
Resuming Normal Forwarding on a Port
To resume normal forwarding on a port, perform this task:
Command Purpose
Step 1 Switch# configure terminal Enters global configuration mode.
Step 2 Switch(config)# interface
interface-id Enters interface configuration mode and enter the type and number of
the switch port interface (GigabitEthernet1/1).
Step 3 Switch(config-if)# no switchport
block multicast Enables unknown multicast flooding to the port.
Step 4 Switch(config-if)# no switchport
block unicast Enables unknown unicast flooding to the port.
Step 5 Switch(config)# end Returns to privileged EXEC mode.
Step 6 Switch# show interface interface-id
switchport Verifies your entry.
Step 7 Switch# copy running-config
startup-config (Optional) Saves your entries in the configuration file.