Enabling Fcc; Assigning Fcc Priority; Displaying Fcc - Cisco DS-X9530-SF1-K9 - Supervisor-1 Module - Control Processor Configuration Manual

Chapter 47 Configuring Fabric Congestion Control and QoS
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 .

Enabling FCC

By default, the FCC protocol is disabled. FCC can only be enabled for the entire switch.
If you enable FCC, be sure to enable it in all switches in the fabric.
Tip
To enable or disable the FCC feature, follow these steps:
Command
Step 1
switch# config t
Step 2
switch(config)# fcc
switch(config)# no fcc

Assigning FCC Priority

To assign FCC priority, follow these steps:
Command
Step 1
switch# config t
Step 2
switch(config)# fcc priority 2

Displaying FCC

Use the show fcc command to view FCC settings (see
Example 47-1 Displays Configured FCC Information
switch# show fcc
fcc is disabled
fcc is applied to frames with priority up to 4
QoS
QoS implementation in the Cisco MDS 9000 Family follows the differentiated services (DiffServ)
model. The DiffServ standard is defined in RFCs 2474 and 2475.
All switches support the following types of traffic:
•
•
OL-6973-03, Cisco MDS SAN-OS Release 2.x
Control Traffic, page 47-4
QoS, page 47-3
Purpose
Enters configuration mode.
Enables FCC in this switch.
Disables FCC in this switch (default).
Purpose
Enters configuration mode.
Defines the FCC priority threshold to have a priority of 2—0
is the lowest priority and 7 is the highest priority.
Example
Cisco MDS 9000 Family Configuration Guide
47-1).
QoS
47-3