Chapter 1 Port Basic Configuration Commands; Port Basic Configuration Commands; Broadcast-Suppression - 3Com 7750 Series Command Reference Manual

3com switch command reference guide

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3Com Switch 7750 Series

Command Reference Guide — Basic Port Commands

Chapter 1 Port Basic Configuration Commands

broadcast-suppression { ratio | bandwidth bandwidth | pps pps }

undo broadcast-suppression

Ethernet port view

ratio: Maximum ratio of the received broadcast traffic to the total bandwidth on an

Ethernet port. The value ranges from 1 to 100 and defaults to 100. The smaller the ratio

is, the less broadcast traffic is allowed.

bandwidth bandwidth: Specifies the maximum bandwidth of broadcast traffic received

on the Ethernet port. For a 100 Mbps port, the bandwidth argument is in the range of 1

to 100 in Mbps; for a gigabit port, the bandwidth argument is in the range of 1 to 1000 in

pps pps: Specifies the maximum number of broadcast packets allowed to be received

per second on an Ethernet port (in pps).

For a 100 Mbps Ethernet port, the pps argument is in the range of 0 to 148,810.

For a Gigabit Ethernet port, the pps argument is in the range of 1,488,100.

For a 10GE port, the pps argument is in the range of 0 to 14,881,000.

Use the broadcast-suppression command to limit broadcast traffic allowed to be

received on each port (in system view) or on a specified port (in Ethernet port view).

Use the undo broadcast-suppression command to restore the default broadcast

suppression setting.

When incoming broadcast traffic exceeds the broadcast traffic threshold you set, the

system drops the packets exceeding the threshold to reduce the broadcast traffic ratio

to the reasonable range, so as to keep normal network service.

By default, broadcast suppression is disabled.

Chapter 1 Port Basic Configuration Commands

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