Table of Contents
Advertisement
Chapter 19
Configuring Flex Links and the MAC Address-Table Move Update Feature
Switch#show interfaces switchport backup detail
Switch Backup Interface Pairs:
Active Interface
------------------------------------------------------------------------
FastEthernet0/3
Vlans Preferred on Active Interface: 1-2,5-4094
Vlans Preferred on Backup Interface: 3-4
Preemption Mode
Bandwidth : 10000 Kbit (Fa0/3), 100000 Kbit (Fa0/4)
Mac Address Move Update Vlan : auto
Configuring the MAC Address-Table Move Update Feature
This section contains this information:
•
•
Beginning in privileged EXEC mode, follow these steps to configure an access switch to send MAC
address-table move updates:
Command
Step 1
configure terminal
Step 2
interface interface-id
Step 3
switchport backup interface interface-id
or
switchport backup interface interface-id mmu
primary vlan vlan-id
Step 4
end
Step 5
mac address-table move update transmit
Step 6
end
Step 7
show mac address-table move update
Step 8
copy running-config startup config
OL-8915-03
Backup Interface
FastEthernet0/4
: off
Configuring a switch to send MAC address-table move updates
Configuring a switch to get MAC address-table move updates
Configuring Flex Links and MAC Address-Table Move Update
State
Active Down/Backup Up
Purpose
Enter global configuration mode.
Specify the interface, and enter interface configuration
mode. The interface can be a physical Layer 2 interface or
a port channel (logical interface). The port-channel range
is 1 to 48.
Configure a physical Layer 2 interface (or port channel),
as part of a Flex Link pair with the interface. The MAC
address-table move update VLAN is the lowest VLAN ID
on the interface.
Configure a physical Layer 2 interface (or port channel)
and specify the VLAN ID on the interface, which is used
for sending the MAC address-table move update.
When one link is forwarding traffic, the other interface is
in standby mode.
Return to global configuration mode.
Enable the access switch to send MAC address-table
move updates to other switches in the network if the
primary link goes down and the switch starts forwarding
traffic through the standby link.
Return to privileged EXEC mode.
Verify the configuration.
(Optional) Save your entries in the switch startup
configuration file.
Cisco Catalyst Blade Switch 3020 for HP Software Configuration Guide
19-9
Hide quick links:
Advertisement
Table of Contents
Troubleshooting
