Oversubscription Ratio Restrictions Example - HP Cisco MDS 9020 - Fabric Switch Configuration Manual

Chapter 14 Configuring Generation 2 Switches and Modules
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
interface fc2/1
...

Oversubscription Ratio Restrictions Example

To disable restrictions on oversubscription ratios for ports on a 48-port Gen2 switch that is configured
with both shared and dedicated ports, follow these steps:
To disable restrictions on oversubscription ratios, you must shut down any shared ports. Use the show
Step 1
port-resources command to view the configuration on a module and to identify shared ports.
switch# show port-resources module 2
Module 2
Available dedicated buffers are 4656
Port-Group 1
Total bandwidth is 12.8 Gbps
Total shared bandwidth is 12.8 Gbps
Allocated dedicated bandwidth is 0.0 Gbps
--------------------------------------------------------------------
Interfaces in the Port-Group
--------------------------------------------------------------------
fc2/1
fc2/2
fc2/3
fc2/4
fc2/5
fc2/6
fc2/7
fc2/8
fc2/9
fc2/10
fc2/11
fc2/12
...
Port-Group 4
Total bandwidth is 12.8 Gbps
Total shared bandwidth is 12.8 Gbps
Allocated dedicated bandwidth is 0.0 Gbps
--------------------------------------------------------------------
Interfaces in the Port-Group
--------------------------------------------------------------------
fc2/37
fc2/38
fc2/39
fc2/40
fc2/41
fc2/42
fc2/43
fc2/44
fc2/45
fc2/46
fc2/47
fc2/48
Shut down all shared ports for which you want to remove restrictions on oversubscription ratios.
Step 2
switch (config)# interface fc2/1-2, fc2/4-5, fc2/8-38, fc2/43-48
OL-16184-01, Cisco MDS SAN-OS Release 3.x
Configuring Generation 2 Module Interface Shared Resources
B2B Credit Bandwidth
Buffers (Gbps)
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
B2B Credit Bandwidth
Buffers (Gbps)
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
Cisco MDS 9000 Family CLI Configuration Guide
Rate Mode
shared
shared
dedicated
shared
shared
dedicated
dedicated
shared
shared
shared
shared
shared
Rate Mode
shared
shared
dedicated
dedicated
dedicated
shared
shared
shared
shared
shared
shared
shared
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