Switch (config) # show mac-address-table Switch ethernet-default Vlan Mac Address Type Interface - 1 00:00:00:00:00:01 Static Po5 1 00:00:3D:5C:FE:16 Dynamic Eth1/1 1 00:00:3D:5D:FE:1B Dynamic Eth1/2 Number of unicast: 2 switch (config) # show mac-address-table unicast - Vlan Mac Address Type Port\Next Hop - 1 24:8A:07:2E:61:72 Dynamic Eth1/31 6 00:00:11:22:33:44 Static 192.168.2.2(nve1) 6 00:00:66:77:88:99 Static 192.168.2. For example, you can disable MAC address learning to prevent the device from being attacked by a large amount of frames with different source MAC addresses. If this makes no sense, perhaps a quick summary of how switching at layer 2 works will help. Various of filter options available.įilters the table to a specific MAC address.įilters the table to a specific interface.įilters the table to a specific VLAN number (1-4094).įilters the table to a unicast addresses only. A MAC Flap is caused when a switch receives packets from two different interfaces with the same source MAC address. These commands enable MAC address learning on vlan 10 configuration. Show mac-address-table | unicast]ĭisplays the static and dynamic unicast and multicast MAC addresses for the switch. Static routes are also useful when dynamic routing protocols are not available or.
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