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11-45
Cisco MDS 9000 Family Command Reference
OL-8413-07, Cisco MDS SAN-OS Release 3.x
Chapter 11 I Commands
ip-compression
ip-compression
To enable compression on the FCIP link, use the ip-compression command in interface configuration
submode. To disable compression, use the no form of the command.
ip-compression [auto | mode1 | mode2 | mode3]
no ip-compression [auto | mode1 | mode2 | mode3]
Syntax Description
Defaults Disabled.
Command Modes Interface configuration submode.
Command History
Usage Guidelines When no compression mode is entered in the command, the default is auto.
The FCIP compression feature introduced in Cisco SAN-OS Release 1.3 allows IP packets to be
compressed on the FCIP link if this feature is enabled on that link. By default the FCIP compression is
disabled. When enabled, the software defaults to using the auto mode (if a mode is not specified).
Cisco SAN-OS Release 2.0(1b) and later, you to configure FCIP compression using one of the following
modes:
• mode1 is a fast compression mode for high bandwidth links (> 25 Mbps)
• mode2 is a moderate compression mode for moderately low bandwidth links (between 10 and 25
Mbps)
• mode3 is a high compression mode for low bandwidth links (< 10 Mbps)
• auto (default) mode picks the appropriate compression scheme based on the bandwidth of the link
(the bandwidth of the link configured in the FCIP profile’s TCP parameters)
auto Enables automatic compression setting.
mode1 Enables fast compression for the following high bandwidth links:
— IPS-4 and IPS-8, less then 100 Mbps
— MPS-14/2, up to 1 Gbps
mode2 Enables moderate compression for medium bandwidth links less then 25
Mbps.
mode3 Enables compression for bandwidth links less then 10 Mbps.
Release Modification
1.3(1) This command was introduced.
2.0(x) Changed the keywords from high-throughput and high-comp-ratio to
mode1, mode2, and mode3.
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