Consolidated Platform Configuration Guide, Cisco Ios Release 15.2(4)E (Catalyst 2960-X Switches - Cisco Catalyst 2960 series Configuration Manual
Consolidated platform configuration guide, ios release 15.2(4)e
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Also See for Catalyst 2960 series:
- Software configuration manual (980 pages) ,
- Command reference manual (800 pages) ,
- Configuration manual (120 pages)
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How to Configure Port Blocking
SUMMARY STEPS
1. enable
2. configure terminal
3. interface interface-id
4. switchport block multicast
5. switchport block unicast
6. end
7. show interfaces interface-id switchport
8. show running-config
9. copy running-config startup-config
DETAILED STEPS
Command or Action
Step 1
enable
Example:
Switch> enable
Step 2
configure terminal
Example:
Switch# configure terminal
Step 3
interface interface-id
Example:
Switch(config)# interface gigabitethernet1/0/1
Step 4
switchport block multicast
Example:
Switch(config-if)# switchport block multicast
Step 5
switchport block unicast
Example:
Switch(config-if)# switchport block unicast
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1478
Purpose
Enables privileged EXEC mode. Enter your password
if prompted.
Enters the global configuration mode.
Specifies the interface to be configured, and enter
interface configuration mode.
Blocks unknown multicast forwarding out of the port.
Note
Pure Layer 2 multicast traffic as well as
multicast packets that contain IPv6 information
in the header are blocked.
Blocks unknown unicast forwarding out of the port.
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Troubleshooting
