Configure Policy-Map And Increase Queue Multiplier; Configure Port-Channel Interfaces - Dell Cisco Catalyst 3850 PS Series Configuration Manual

Sans

Table of Contents

2.5

Configure policy-map and increase queue multiplier

Switch(config)#policy-map single-queue-buffer

Switch(config-pmap)#class class-default

Switch(config-pmap-c)#bandwidth percent 100

Switch(config-pmap-c)#queue-buffers ratio 100

Switch(config-pmap-c)#exit

Switch(config-pmap)#exit

Note: Cisco issue CSCuu14019 and other related issues require the following buffer multiplier command to

prevent output queue drops.

Switch(config)#qos queue-softmax-multiplier 1200

2.6

Switch(config)#interface port-channel 1

Switch(config-if)#switchport

Switch(config-if)#flowcontrol receive on

Switch(config-if)#exit

Note: 10 Gb ports 1/1/3 and 1/1/4 are used for the port-channel. Change the port number in the following

command if using other ports for the port channel between two switches.

Switch(config)#interface range tenGigabitEthernet 1/1/3 - 4

Switch(config-if-range)#no shutdown

Switch(config-if-range)#channel-group 1 mode active

Switch(config-if-range)#service-policy output single-queue-buffer

Switch(config-if-range)#exit

Cisco Catalyst 3850 Switch Configuration Guide for Dell PS Series SANs | SCG3299

Table of Contents