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SN0051103-00 A 4-1
4 Configuration
This section describes how to configure the iSR6250 router to support virtual port
groups (VPGs) and LUN mapping.
Some storage arrays limit the number of LUNs exposed to a host to 256 LUNs.
Each iSR6250 router blade supports up to four virtual port groups (VPGs), making
it possible for these storage arrays to present up to 1024 LUNs per blade.
When configuring VPGs on the iSR6250 router, follow these guidelines:
All Fibre Channel (FC) virtual ports from a single VPG must be part of only
one logical host on the storage array.
FC ports from different VPGs must not be part of the same logical host on
the storage array.
A given LUN can be presented to one and only one VPG. It can be
presented to other FC hosts, but only one VPG on a given iSR6250 router
(chassis).
The following sections describe how to configure VPGs and the Fibre Channel
arrays connected to them:
“Enabling Virtual Port Groups” on page 4-2
“Zoning Virtual Port Groups on the SAN” on page 4-9
“Configuring FC Array Hosts and LUN Assignments with the iSR6250” on
page 4-10
“Connecting iSCSI Hosts to your iSR6250” on page 4-13
“Controlling per Host LUN Access on the iSR6250” on page 4-20