HP StorageWorks 4/256 HP StorageWorks Fabric OS 5.2.x administrator guide (569 - Page 223
Upgrade and Downgrade Considerations, Table 50 Trunking upgrade and downgrade considerations
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Upgrade and Downgrade Considerations Table 50describes the upgrade and downgrade considerations for EX_Port Frame Trunking. Table 50 Trunking upgrade and downgrade considerations Upgrade or downgrade Consideration A firmware downgrade from Fabric OS v5.2.x to Fabric OS v5.1.0 A firmware upgrade from Fabric OS v5.1 to Fabric OS v5.2.x If EX_Port trunking is on, prior to the firmware downgrade, the script displays a message requesting that you disable EX_Port trunking. The trunking feature is turned off for each EX_Port configured on the FCR switch. To explicitly enable trunking on all/one EX_Port(s), you can use the portCfgTrunkPort and switchCfgTrunk commands. See the following sections for examples. Using EX_Port Frame trunking With EX_Port frame trunking, you can use the same CLI commands as you do for E_Port trunking. Security considerations Administration control for EX_Port trunking is available through root, admin, and switch admin access. Trunking commands The procedure for administering EX_Port frame trunking is the same as for E_Port trunking. You will need to initialize trunking on ports with portCfgTrunkPort or switchCfgtrunk, monitor traffic with the portPerfShow command. You need a Brocade license to enable trunking, however, you can disable trunking on the ports without the trunking license installed. You can use the following commands to enable and disable trunking: • Disable (0) or enable (1) trunking on a single port using the portCfgTrunkPort command. The following example shows how to disable trunking on a single port and then how to enable trunking:. switch:admin_06> portcfgtrunkport 1/10 0 switch:admin_06> portcfgtrunkport 1/10 1 • Disable (0) or enable (1) trunking on all the ports of a switch using the switchCfgTrunk command.The following example shows how to disable trunking on all ports and then how to enable trunking: switch:admin_06> switchcfgtrunk 0 switch:admin_06> switchcfgtrunk 1 Configuration applied to all ports except the following VE/VEX_Ports (ports 128 143, 192 - 207). When either command is executed to update the trunking configuration, the ports for which the configuration applies are disabled and reenabled with the new trunk configuration. As a result, the traffic through these ports might be disrupted for a short period of time. In addition to the commands for enabling and disabling trunking, you can also use the following E_Port commands for administering EX_Port Frame Trunking: • Use portCfgSpeed and switchCfgSpeed to set speed for a port or switch • Display lists of trunks and members of trunks with the trunkShow command • Use trunkDebug to list link characteristics for troubleshooting. • Use the switchShow command to display the trunking information on the EX_Ports. For details about using these commands, see the Fabric OS Command Reference Manual. Fabric OS 5.2.x administrator guide 223