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ISR651101-00 G 2-1
2 Planning
This chapter describes how to plan for the iSR6200 router. The following sections
describe the devices and services you need to consider when planning to use the
iSR6200 router:
“Devices” on page 2-1
“Device Access” on page 2-1
“Fibre Channel Switches Required for VPGroups” on page 2-2
“Fibre Channel Performance” on page 2-2
“iSCSI Performance” on page 2-3
“Performance Tuning” on page 2-4
“High Availability” on page 2-7
“Management” on page 2-7
“Recovery” on page 2-7
“Services” on page 2-8
“Security” on page 2-8
Devices
When planning router use, consider the number of devices and the anticipated
demand. This determines the number of ports required and, in turn, the number of
routers.
The router uses SFP transceivers in the 8Gbps Fibre Channel (FC) ports, but
some Fibre Channel devices may not use the same transceivers. Consider
whether the Fibre Channel device you want to connect the router to uses SFP or
gigabit interface converters (GBIC) transceivers, and choose fibre optic cables
accordingly. Use LC-type cable connectors for SFP transceivers and SC-type
cable connectors for GBIC transceivers. Also consider the transmission speed
compatibility of your devices, adapters, switches, and SFPs.
Device Access
Consider device access needs within the Fibre Channel and iSCSI SANs.
Controlling access to Fibre Channel device LUNs requires mapping Fibre
Channel device LUNs to specific iSCSI initiators. You may map LUNs to more
than one initiator. Giving multiple initiators access to a LUN requires access
management.