4–ConfigurationEnabling Virtual Port Groups4-2 ISR651101-00 GEnabling Virtual Port GroupsEach iSR6250 router blade has one virtual port group (VPG) enabled by default,which gives the iSCSI hosts access to 256 LUNs. You can enable and configureadditional VPGs to give the iSCSI hosts access to more than 256 distinct LUNSfrom a specific Fibre Channel target array.Each blade has VPG 1 enabled by default; VPG 1 is the primary virtual port groupand cannot be disabled. Enabling additional virtual port groups creates additionallogical Fibre Channel adapter initiator ports on the fabric. These ports act asseparate Fibre Channel adapter host ports, and additional 256 LUNs can bepresented to each of them. With all four VPGs enabled, a single iSR6250 bladecan access up to1,024 LUNs from a single target world wide port number(WWPN).You can view Virtual Port Group information using the show vpgroups commandin the CLI, as shown in the following example.iSR6200 <1> (admin) #> show vpgroupsVpGroup Information---------------------Index 1VpGroup Name VPGROUP_1Status EnabledWWPNs 21:00:00:c0:dd:13:16:f821:00:00:c0:dd:13:16:f9Index 2VpGroup Name VPGROUP_2Status DisabledWWPNs N/AIndex 3VpGroup Name VPGROUP_3Status DisabledWWPNs N/AIndex 4VpGroup Name VPGROUP_4Status DisabledWWPNs N/A
