Rate-Mode Oversubscription-Limit - Cisco MDS 9124 - Fabric Switch Reference

Chapter 20 R Commands
S e n d d o c u m e n t a t i o n c o m m e n t s t o m d s f e e d b a c k - d o c @ c i s c o . c o m

rate-mode oversubscription-limit

To enable or disable restrictions on oversubscription ratios, use the rate-mode oversubscription-limit
command.
Syntax Description
module module-number Identifies the specific module on which oversubscription ratio restrictions
Defaults Oversubscription ratios are restricted for all 24-port and 48-port switching modules.
Command Modes
Configuration mode.
Command History Release
3.1(1)
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.
You must enable restrictions on oversubscription ratios before you can downgrade modules to a previous
Caution
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
The following example shows how to viewthe status of a module's oversubscription ratios.
switch# show running-config
version 3.1(1)
...
no rate-mode oversubscription-limit module 2
interface fc2/1
switchport speed 2000
OL-16217-01, Cisco MDS SAN-OS Release 3.x
rate-mode oversubscription-limit module module number
no rate-mode oversubscription-limit module module number
will be enabled or disabled.
Modification
This command was introduced.
rate-mode oversubscription-limit
Cisco MDS 9000 Family Command Reference
20-13