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Configuring High Availability VLANs
Release 5.1.6.R02 User Guide Supplement June 2005 page 3-13
You can also remove multiple egress ports by entering vlan, followed by the VLAN’s ID number, port-
mac no egress-port, the slot number of the first port, a slash (/), the port number of the first port, a space,
the slot number of the second port, a slash, and the port number of the second port. Additional ports can
also be removed by specifying their slot number, a slash, and their port number preceded by a space.
For example, to remove egress port 1/5, 6/2, and 8/3 from high availability VLAN 20 you would enter:
-> vlan 20 port-mac no egress-port 1/5 6/2 8/3
You can also remove a range of egress ports by entering vlan, followed by the VLAN’s ID number, port-
mac no egress-port, the slot number of the first port, a slash (/), the port number of the first port on the
NI, a hyphen (-), and the last port on the NI.
For example, to remove egress port 3/4 through 3/8 from high availability VLAN 20 enter:
-> vlan 20 port-mac no egress-port 3/4-8
You can remove multiple and ranges of egress ports in the same command line. For example, to remove
egress ports 1/5, 3/4 through 3/8, 6/2, and 8/3 from high availability VLAN 20 you would enter:
-> vlan 20 port-mac no egress-port 1/5 3/4-8 6/2 8/3
Note. Removing the last ingress/egress port from an HA VLAN is not allowed. Deleting the VLAN is
required when there is only one ingress/egress port left in the VLAN.
Assigning and Removing MAC Addresses
The following subsections describe how to assign and remove MAC addresses from a high availability
VLAN with the mac-address-table port-mac vlan mac command. Traffic that is received on ingress
ports that contains a destination MAC address that matches the high availability VLAN address is sent out
all egress ports that belong to the high availability VLAN.
Note. Using the mac-address-table port-mac vlan mac command will change a standard VLAN to a
high availability VLAN. Standard VLAN commands do not apply to high availability VLANs.
Assigning MAC Addresses
To assign a MAC address to a high availability VLAN, use the mac-address-table port-mac vlan mac
command by entering mac-address-table port-mac vlan, followed by the VLAN’s ID number, mac, and
the MAC address. Note that both unicast and multicast addresses are supported.
For example, to assign the MAC address 00:25:9a:5c:2f:10 to high availability VLAN 20 you would enter:
-> mac-address-table port-mac vlan 20 mac 00:25:9a:5c:2f:10
To add more than one MAC address to a high availability VLAN, enter each address on the same
command line separated by a space. For example, to assign MAC addresses 00:25:9a:5c:2f:11,
00:25:9a:5c:12, and 01:00:00:3f:4c:10, to high availability VLAN 30, you would enter:
-> mac-address-table port-mac vlan 30 mac 00:25:9a:5c:2f:11 00:25:9a:5c:12
01:00:00:3f:4c:10.