HP Cisco Catalyst Blade Switch 3020 Cisco Catalyst Blade Switch 3020 for HP So - Page 362
Configuring the MAC Address-Table Move Update Feature
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Configuring Flex Links and MAC Address-Table Move Update Chapter 16 Configuring Flex Links and the MAC Address-Table Move Update Feature Command Step 3 switchport backup interface interface-id Step 4 switchport backup interface interface-id preemption mode [forced | bandwidth | off] Step 5 switchport backup interface interface-id preemption delay delay-time Step 6 Step 7 Step 8 end show interface [interface-id] switchport backup copy running-config startup config Purpose Configure a physical Layer 2 interface (or port channel) as part of a Flex Links pair with the interface. When one link is forwarding traffic, the other interface is in standby mode. Configure a preemption mechanism and delay for a Flex Link interface pair. You can configure the preemption as: • Forced-the active interface always preempts the backup. • Bandwidth-the interface with the higher bandwidth always acts as the active interface. • Off-no preemption happens from active to backup. Configure the time delay until a port preempts another port. Note Setting a delay time only works with forced and bandwidth modes. Return to privileged EXEC mode. Verify the configuration. (Optional) Save your entries in the switch startup configuration file. This example shows how to configure the preemption mode as forced for a backup interface pair and to verify the configuration: Switch# configure terminal Switch(conf)# interface gigabitethernet0/1 Switch(conf-if)#switchport backup interface gigabitethernet0/2 preemption mode forced Switch(conf-if)#switchport backup interface gigabitethernet0/2 preemption delay 50 Switch(conf-if)# end Switch# show interface switchport backup detail Active Interface Backup Interface State GigabitEthernet0/21 GigabitEthernet0/2 Active Up/Backup Standby Interface Pair : Gi0/1, Gi0/2 Preemption Mode : forced Preemption Delay : 50 seconds Bandwidth : 100000 Kbit (Gi0/1), 100000 Kbit (Gi0/2) Mac Address Move Update Vlan : auto Configuring the MAC Address-Table Move Update Feature This section contains this information: • Configuring a switch to send MAC address-table move updates • Configuring a switch to get MAC address-table move updates 16-6 Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide OL-8915-01
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