HP 4400 HP StorageWorks Fabric OS 6.4.1 Release Notes (5697-0760, November 201 - Page 28

IPSec is not supported on XGE0 of the DC SAN Director Multiprotocol Extension Blade with Fabric

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seconds. If the local and remote circuit configurations' Keep Alive Timeout values do not match, the tunnel uses the lower of the two configured values. • Software compression (available on the 1606 Extension SAN Switch) modes 2 and 3 are supported only in Open Systems environments. • Software compression (modes 2 and 3) generally gives a better compression ratio, but not the throughput or bandwidth across all six GE ports. HP recommends software compression for lowthroughput links and supports throughput up to 2 Gb/s across all 6 GE ports. For more details, see the Brocade Fabric OS FCIP Administrator's Guide for v6.4.0. • To perform the following operations you must delete the FCIP configuration on the affected ports first: • Switching modes between 1G/10G/Dual • Moving VE/GE port between logical switches • The DC SAN Director Multiprotocol Extension Blade supports three operating modes: • Mode 1: 10 1-GbE ports mode (default) • Mode 2: 10 1-GbE ports and 1 10-GbE port • Mode 3: 2 10-GbE ports Modes 2 and 3 require the slot-based 10-GbE FCIP license. For more details, see the Brocade Fabric OS FCIP Administrator's Guide for v6.4.0. • ARL (Adaptive Rate Limiting) is not supported on 10Gb tunnels. • In-band Management is not supported on the 1606 Extension SAN Switch. • IPSec is not supported on XGE0 of the DC SAN Director Multiprotocol Extension Blade with Fabric OS 6.4.x. IPSec is supported on XGE1 and GE0 through GE9. IPSec is supported on FCIP tunnels that use only IPV4 connections. • Fabric OS 6.4 supports only up to four 1Gb circuits per VE/FCIP tunnel for the 1Gb interfaces. A VE/FCIP tunnel created over 10Gb interfaces will be limited to 10 circuits created using IPIFs on the same 10-GbE port (and no more than 1 Gb per circuit). • As a recommended best practice, the VE tunnel should not be oversubscribed (for example, 8Gb FC traffic over 500 Mb/s tunnel). General guidelines are 2:1 subscription without compression and 4:1 with compression. • Nondisruptive firmware activation on Fabric OS 6.4.x will disrupt I/O traffic on FCIP links. • Differences between the 1606 Extension SAN Switch/DC SAN Director Multiprotocol Extension Blade platforms and previous-generation HP StorageWorks 400 Multiprotocol Router/HP StorageWorks B-series Multiprotocol Router Blade (Brocade 7500, FR4-18i) platforms include: • On the 1606 Extension SAN Switch, the GigE port does not directly correlate to a VE_Port. • On the DC SAN Director Multiprotocol Extension Blade, GigE ports 0-9 or 10-GbE port 1 (xge1) correspond to VE_Ports 12-21, and 10-GbE port 0 (xge0) corresponds to VE_Ports 2231. • The CLI syntax for the 1606 Extension SAN Switch/DC SAN Director Multiprotocol Extension Blade varies from the HP StorageWorks 400 Multiprotocol Router/HP StorageWorks B-series Multiprotocol Router Blade (Brocade 7500, FR4-18i). See the Brocade Fabric OS Command Reference document for Fabric OS 6.4 for details. • Both ends of a tunnel must be identically configured for the Compression, FastWrite, and Tape Pipeline options. If a mismatch exists, the tunnel is not established and the TCP virtual connections are removed. For more details, see the Brocade Fabric OS FCIP Administrator's Guide for 6.4.0. • Under traffic isolation (TI) zone configurations with failover enabled, non-TI zone traffic uses the dedicated path if no other E or VE paths through the fabric exist, or if the nondedicated paths are not the shortest paths. (A higher bandwidth tunnel with multiple circuits becomes the shortest path compared to a single tunnel.) • A VE/VEX tunnel and E/EX FC port cannot connect to the same domain at the same time. 28

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seconds. If the local and remote circuit configurations' Keep Alive Timeout values do not match,
the tunnel uses the lower of the two configured values.
•
Software compression (available on the 1606 Extension SAN Switch) modes 2 and 3 are supported
only in Open Systems environments.
•
Software compression (modes 2 and 3) generally gives a better compression ratio, but not the
throughput or bandwidth across all six GE ports. HP recommends software compression for low-
throughput links and supports throughput up to 2 Gb/s across all 6 GE ports. For more details,
see the
Brocade Fabric OS FCIP Administrator's Guide for v6.4.0
.
•
To perform the following operations you must delete the FCIP configuration on the affected ports
first:
•
Switching modes between 1G/10G/Dual
•
Moving VE/GE port between logical switches
•
The DC SAN Director Multiprotocol Extension Blade supports three operating modes:
•
Mode 1: 10 1-GbE ports mode (default)
•
Mode 2: 10 1-GbE ports and 1 10-GbE port
•
Mode 3: 2 10-GbE ports
Modes 2 and 3 require the slot-based 10-GbE FCIP license. For more details, see the
Brocade
Fabric OS FCIP Administrator's Guide for v6.4.0
.
•
ARL (Adaptive Rate Limiting) is not supported on 10Gb tunnels.
•
In-band Management is not supported on the 1606 Extension SAN Switch.
•
IPSec is not supported on XGE0 of the DC SAN Director Multiprotocol Extension Blade with Fabric
OS 6.4.x. IPSec is supported on XGE1 and GE0 through GE9. IPSec is supported on FCIP tunnels
that use only IPV4 connections.
•
Fabric OS 6.4 supports only up to four 1Gb circuits per VE/FCIP tunnel for the 1Gb interfaces.
A VE/FCIP tunnel created over 10Gb interfaces will be limited to 10 circuits created using IPIFs
on the same 10-GbE port (and no more than 1 Gb per circuit).
•
As a recommended best practice, the VE tunnel should not be oversubscribed (for example, 8Gb
FC traffic over 500 Mb/s tunnel). General guidelines are 2:1 subscription without compression
and 4:1 with compression.
•
Nondisruptive firmware activation on Fabric OS 6.4.x will disrupt I/O traffic on FCIP links.
•
Differences between the 1606 Extension SAN Switch/DC SAN Director Multiprotocol Extension
Blade platforms and previous-generation HP StorageWorks 400 Multiprotocol Router/HP Storage-
Works B-series Multiprotocol Router Blade (Brocade 7500, FR4-18i) platforms include:
•
On the 1606 Extension SAN Switch, the GigE port does not directly correlate to a VE_Port.
•
On the DC SAN Director Multiprotocol Extension Blade, GigE ports 0-9 or 10-GbE port 1
(xge1) correspond to VE_Ports 12-21, and 10-GbE port 0 (xge0) corresponds to VE_Ports 22-
31.
•
The CLI syntax for the 1606 Extension SAN Switch/DC SAN Director Multiprotocol Extension
Blade varies from the HP StorageWorks 400 Multiprotocol Router/HP StorageWorks B-series
Multiprotocol Router Blade (Brocade 7500, FR4-18i). See the
Brocade Fabric OS Command
Reference
document for Fabric OS 6.4 for details.
•
Both ends of a tunnel must be identically configured for the Compression, FastWrite, and Tape
Pipeline options. If a mismatch exists, the tunnel is not established and the TCP virtual connections
are removed. For more details, see the
Brocade Fabric OS FCIP Administrator's Guide for 6.4.0
.
•
Under traffic isolation (TI) zone configurations with failover enabled, non-TI zone traffic uses the
dedicated path if no other E or VE paths through the fabric exist, or if the nondedicated paths are
not the shortest paths. (A higher bandwidth tunnel with multiple circuits becomes the shortest path
compared to a single tunnel.)
•
A VE/VEX tunnel and E/EX FC port cannot connect to the same domain at the same time.
28