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ISR651101-00 G 4-1
4 Configuration
This chapter describes how to configure the iSR6200 router to support virtual port
groups (VPGroups or VPGs) and LUN mapping.
Some storage arrays limit the number of LUNs exposed to a host to 256 LUNs.
Each iSR6200 router blade supports up to four VPGs, making it possible for these
storage arrays to present up to 1,024 LUNs per blade.
When configuring VPGs on the iSR6200 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.
Fibre Channel ports from different VPGs must not be part of the same logical
host on the storage array.
A specific LUN can be presented to one and only one VPG. It can be
presented to other Fibre Channel hosts, but only one VPG on a specific
iSR6200 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 Fibre Channel Array Hosts and LUN Assignments” on
page 4-12
“Connecting iSCSI Hosts to the iSR6200” on page 4-16
“Controlling per-Host LUN Access on the iSR6200” on page 4-22