538 Fabric OS Administrator’s Guide
53-1002745-02
Configuring trunk groups
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Configuring trunk groups
After you install the Trunking license, you must re-initialize the ports that are to be used in trunk
groups so that they recognize that trunking is enabled. This procedure needs to be performed only
once, and is required for all types of trunking.
To re-initialize the ports, you can either disable and then re-enable the switch, or disable and then
re-enable the affected ports.
1. Connect to the switch and log in using an account assigned to the admin role.
2. Enter the islShow command to determine which ports are used for ISLs.
3. Enter the portDisable command for each port to be used in a trunk group.
Alternatively, you can enter the switchDisable command to disable all ports on the switch.
4. Enter the portEnable command for each port that you disabled in step 3, or enter the
switchEnable command to enable all of the ports on the switch.
F_Port trunking requires additional steps to configure the Trunk Area (TA). See “Configuring F_Port
trunking for an Access Gateway” on page 544 or “Configuring F_Port trunking for a Brocade adapter”
on page 545 for information.
Enabling trunking on a port or switch
You can enable trunking for a single port or for an entire switch. Because trunking is automatically
enabled when you install the Trunking license, you need to use this procedure only if trunking has
been subsequently disabled on a port or switch. Enabling trunking disables and re-enables the
affected ports. As a result, traffic through these ports may be temporarily disrupted.
1. Connect to the switch and log in using an account assigned to the admin role.
2. Enter the portCfgTrunkPort command to enable trunking on a port.
Enter the switchCfgTrunk command to enable trunking on all ports on the switch.
Mode 1 enables and mode 0 disables trunking.
In the following example, trunking is being enabled on slot 1, port 3.
switch:admin> portcfgtrunkport 1/3 1
Disabling trunking on a port or switch
You can disable trunking for a single port or for an entire switch. Disabling trunking disables and
re-enables the affected ports. As a result, traffic through these ports may be temporarily disrupted.
Trunking on ICLs is always enabled and cannot be disabled.
Disabling trunking fails if a Trunk Area (TA) is enabled on the port. Use the portTrunkArea command
to remove the TA before disabling trunking.
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