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3.2.1.2 Ethernet Port Configuration Commands
3.2.1.2.1 Rate-limit
Command: rate-limit {input|output} <level>
no rate-limit {input|output}
Function: Enable the bandwidth control function for the port: the “no bandwidth control”
command disables the bandwidth control function for the port.
Parameter: <level>is the bandwidth limit in Mbps, the valid value ranges from 1 to 10000
M; input means bandwidth control applies to incoming traffic from outside the switch;
output means bandwidth control applies to outgoing traffic to outside the switch
Command mode: Interface Mode
Default: Port bandwidth control is disabled by default.
Usage Guide: When bandwidth control is enabled for a port, and bandwidth limit is set,
then the maximum bandwidth will be limited and no longer be the 10/100/1000M line
speed. Note: The bandwidth limit set must not exceed the maximum physical connection
speed possible of the port. For example, a bandwidth limit of 101 M (or more) cannot be
set for a 10/100M Ethernet port. But for a 10/100/1000M port working less than 100 M, a
bandwidth limit of 101 M (or more) is permitted.
Example: set the bandwidth limit of port 1 – 8 of slot 3 card to 40M.
Switch(Config)#interface ethernet 3/1-8
Switch(Config-Port-Range)# rate-limit input 40
Switch (Config-Port-Range)#rate-limit output 40
3.2.1.2.2 combo-forced-mode
Command: combo-forced-mode {copper-forced | copper-preferred-auto | sfp-forced
| sfp-preferred-auto }
no combo-forced-mode
Function: Set the combo port mode (combo ports only); the “no combo-forced-mode”
command restores the default combo mode for combo ports, i.e. fiber ports first.
Parameter: copper-forced will force to use the copper cable port;
copper-preferred-auto for copper cable port first; sfp-forced for fiber cable forces to use
fiber cable port; sfp-preferred-auto for fiber cable port first.