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22 power-saving command
This command is used to enable the power-saving function for the interface
port(s). If it is enabled and auto-negotiation is also enabled, the interface
port(s) will go to low-power mode when link down. That can reduce power
consumption of the switch. When link is detected, ports will come back to
normal working state automatically.
power-saving command is used to enable the power-saving function for the
interface port(s).
no power-saving command is used to disable this function on the interface
port(s).
23 qos command
This command is used to set port-based priority on the interface port(s). And
enable 802.1P priority, DSCP priority on the interface port(s).
(config-if)# qos ?
dscp enable IP DSCP priority
port Port priority map
precedence enable IP precedence priority
qos dscp command is used to enable DSCP priority operation on the interface
port(s). And no qos dscp command is used to disable it.
qos precedence command is used to enable 802.1P priority operation on the
interface port(s). And no qos precedence command is used to disable it.
qos port x command is used to set port-based priority on the interface port(s).
“x” is the priority queue, and its value is 0-3 (0:Low, 1:Normal, 2:Medium,
3:High).
Note
: If DSCP priority, 802.1P priority and Port-based priority are enabled on
the interface port(s) at the same time, its decision flow is DSCP -> 802.1P ->
Port-base.
24 rate-limit command
This command is used to set the ingress and egress rate limit level of the
interface port(s). The working rate limit number is counted with (rate limit
level)x(rate limit unit). The rate limit unit is set by “rate-limit unit x” command
in general configuring mode (under “(config)#” prompt). And the rate-limit level
is set by this command.
rate-limit input level x command is used to specify the ingress rate-limit level
of the interface port(s). “x” is the level number and its valid value is 0~31. If
“x”=0, it means “no limit”.
rate-limit output level x command is used to specify the egress rate-limit level
of the interface port(s). “x” is the level number and its valid value is 0~31. If
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