50
Switch(config)# no queuing-mode
Specify QoS queuing mode as
strict mode
Switch(config)# no qos queue-
weighted
Undo specify the queue
weighted
Switch(config)# no qos remarking
dscp
Undo specify DSCP bit
remarking mode
Switch(config)# no qos remarking
dscp-map [1-8]
[1-8]
Undo specify DSCP and priority
mapping ID
Switch(config)# no qos remarking
802.1p
Disable 802.1p bit remarking
Switch(config)# no qos remarking
802.1p-map [1-8]
[1-8]
Undo specify a 802.1p value
Switch(config)# no qos 802.1p-map
Undo 802.1p mapping
Show command
Switch(config)# show qos
Show QoS configuration
Switch(config)# show qos interface
Show QoS interface overall
information
Switch(config)# show qos interface
[port-list]
[port-list]
Show QoS interface per port(s)
Switch(config)# show qos remarking
Show QoS remarking
information
2. Use
“interface” command to configure a group of ports’ QoS settings.
QoS & Interface command
Parameter
Description
Switch(config)# interface [port_list]
[port_list]
Enter several discontinuous port
numbers separated by commas or a
range of ports with a hyphen. For
example:1,3 or 2-4
Switch(config-if-PORT-PORT)#
qos rate-limit ingress [500-
1000000] kbps
[500-
1000000]
kbps
Specify ingress rate limit value.
Switch(config-if-PORT-PORT)#
qos rate-limit egress [500-
1000000] kbps
[500-
1000000]
kbps
Specify egress rate limit value.
Switch(config-if-PORT-PORT)#
qos user-priority [0-7]
[0-7]
Specify the default priority bit to the
selected interfaces.
No command
Switch(config-if-PORT-PORT)# no qos rate-limit
ingress
Delete QoS ingress rate limit
setting.
Switch(config-if-PORT-PORT)# no qos rate-limit
egress
Delete QoS egress rate limit setting.
Switch(config-if-PORT-PORT)# no qos user-
priority
Set the user priority value setting
back to the factory default.
2.6.16 Security Command
When a device on the network is malfunctioning or application programs are not well designed or
properly configured, broadcast storms may occur, network performance may be degraded or, in
the worst situation, a complete halt may happen. The Managed Switch allows users to set a
threshold rate for broadcast traffic on a per switch basis so as to protect network from broadcast/