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62 CHAPTER 2: USING PORT COMMANDS
1000: Enter to set the port speed to 1000 Mbps. (Only available on Gigabit ports).
auto: Enter to set the port speed to auto-negotiation.
Description
Use the speed command to configure the port speed. Use the undo speed
command to restore the default speed. By default, the speed is
auto.
Related command: duplex.
Example
To configure the port speed of port Ethernet1/0/1 to 10 Mbps, enter the
following:
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]interface ethernet 1/0/1
[4500-Ethernet1/0/1]speed 10
[4500-Ethernet1/0/1]
unicast-suppression Syntax
unicast-suppression { ratio | pps pps }
undo unicast-suppression
View
Ethernet Port View
Parameter
ratio: Specifies the bandwidth ratio of unicast traffic allowed on an Ethernet
port. The ratio value ranges from 1 to 100. The incremental step is 1. By default,
the ratio is 100 meaning all unicast traffic is accepted. The smaller the ratio is, the
less bandwidth is allocated to unicast traffic and therefore less broadcast traffic is
accepted on the Ethernet port.
pps pps: Specifies the maximum number of unicast packets per second accepted
on an Ethernet port. Ranges from 1 to 148810 pps.
Description
Use unicast-suppression to configure the amount of unicast traffic that will be
accepted on a port. Once the multicast traffic exceeds the value set by the user,
the excess unicast traffic will be discarded. This feature can be used to ensure
network service and prevent unicast storms.
Example
Enable a limit of 20% of the available bandwidth on a port to be allocated to
unicast traffic. Unicast traffic exceeding 20% of the ports bandwidth will be
discarded.
<4500>system-view
System View: return to User View with Ctrl+Z.
[4500]interface ethernet 1/0/1