4–Configuration
Enabling Virtual Port Groups
4-2 ISR651101-00 J
Enabling Virtual Port Groups
Each iSR6250 router blade has one virtual port group (VPG) enabled by default,
which gives iSCSI hosts access to 256 LUNs. You can enable and configure
additional VPGs to give iSCSI hosts access to more than 256 distinct LUNS from
a specific Fibre Channel target array.
Each blade has VPG 1 enabled by default; VPG 1 is the primary virtual port group
and cannot be disabled. Enabling additional virtual port groups creates additional
logical Fibre Channel adapter initiator ports on the fabric. These ports act as
separate Fibre Channel adapter host ports, and additional 256 LUNs can be
presented to each of them. With all four VPGs enabled, a single iSR6250 blade
can 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 command
in the CLI, as shown in the following example.
iSR6200 <1> (admin) #> show vpgroups
VpGroup Information
---------------------
Index 1
VpGroup Name VPGROUP_1
Status Enabled
WWPNs 21:00:00:c0:dd:13:16:f8
21:00:00:c0:dd:13:16:f9
Index 2
VpGroup Name VPGROUP_2
Status Disabled
WWPNs N/A
Index 3
VpGroup Name VPGROUP_3
Status Disabled
WWPNs N/A
Index 4
VpGroup Name VPGROUP_4
Status Disabled
WWPNs N/A