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20-13
Cisco MDS 9000 Family Command Reference
OL-8413-07, Cisco MDS SAN-OS Release 3.x
Chapter 20 R Commands
rate-mode oversubscription-limit
rate-mode oversubscription-limit
To enable or disable restrictions on oversubscription ratios, use the rate-mode oversubscription-limit
command.
rate-mode oversubscription-limit module module number
no rate-mode oversubscription-limit module module number
Syntax Description
Defaults Oversubscription ratios are restricted for all 24-port and 48-port switching modules.
Command Modes Configuration mode.
Command History
Usage Guidelines When restrictions on oversubscription ratios are disabled, the bandwidth allocation among the shared
ports is proportionate to the configured speed (if the configured speed is auto, then bandwidth is
allocated assuming a speed of 4 Gbps).
You must explicitly shut down and take out of service shared ports before disabling oversubscription
ratio restrictions on them.
The configuration is not saved to the startup configuration unless you explicitly enter the copy
running-config startup-config command.
Caution You must enable restrictions on oversubscription ratios before you can downgrade modules to a previous
release.
Examples The following example disables restrictions on oversubscription ratios for a module (there are only
dedicated ports, so a shutdown is not necessary).
switch# config t
switch(config)# no rate-mode oversubscription-limit module 2
module module-number Identifies the specific module on which oversubscription ratio restrictions
will be enabled or disabled.
Release Modification
3.1(1) This command was introduced.
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