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

Configuring Generation 2 Module Interface Shared Resources
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
fc9/9
fc9/10
fc9/11
fc9/12
Port-Group 3
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
--------------------------------------------------------------------
fc9/13
fc9/14
fc9/15
fc9/16
fc9/17
fc9/18
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
--------------------------------------------------------------------
fc9/19
fc9/20
fc9/21
fc9/22
fc9/23
fc9/24

Configuring Oversubscription Ratio Restrictions

The 48-port and 24-port 4-Gbps Fibre Channel switching modules support oversubscription on switches
with shared rate mode configurations.
oversubscribed interfaces configured in shared mode.
Table 14-15
Switching
Module Type
48 ports
24 ports
Cisco MDS 9000 Family CLI Configuration Guide
14-26
Table 14-15
Bandwidth Allocation for Oversubscribed Interfaces
Configured Speed
Auto 4 Gbps
Auto (maximum is 2 Gbps)
2 Gbps
1 Gbps
Auto 4 Gbps
Auto (maximum is 2 Gbps)
2 Gbps
1 Gbps
Chapter 14 Configuring Generation 2 Switches and Modules
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
B2B Credit Bandwidth
Buffers (Gbps)
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
16 4.0
describes the bandwidth allocation for
Reserved Bandwidth (Gbps)
Ratios enabled Ratios disabled
0.8 0.09
0.4 0.045
0.2 0.0225
1 0.27
0.5 0.135
0.25 0.067
OL-16184-01, Cisco MDS SAN-OS Release 3.x
shared
shared
shared
shared
Rate Mode
shared
shared
shared
shared
shared
shared
Rate Mode
shared
shared
shared
shared
shared
shared
Maximum
Bandwidth
(Gbps)
4
2
1
4
2
1