3Com MSR 50 Network Router User Manual


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9
CONFIGURATION COMMANDS FOR
ETHERNET INTERFACES IN BRIDGE
MODE
broadcast-suppression
Syntax broadcast-suppression { ratio | pps max-pps }
undo broadcast-suppression
View Ethernet interface view, port group view
Parameter ratio: Maximal ratio of broadcast traffic to the total transmission capability of an
Ethernet interface. Currently, this argument can only be set to 100.
pps max-pps: Specifies the maximal broadcast packet number per second for an
Ethernet interface, in pps, representing packets per second. Currently, the
max-pps argument can only be 190, 380, 760, 1488, 2976, 5952, or 11904.
Description Use the
broadcast-suppression command to configure a broadcast storm
suppression ratio.
Use the
undo broadcast-suppression command to restore the default
broadcast storm suppression ratio.
By default, all broadcast traffic is allowed to go through an Ethernet interface, that
is, broadcast traffic is not suppressed.
If you execute this command in Ethernet interface view, the configuration takes
effect only on the current interface. If you execute this command in port group
view, the configuration takes effect on all the ports in the port group.
Note that when broadcast traffic exceeds the maximum value configured, the
system will discard the extra packets so that the broadcast traffic ratio falls below
the limit to ensure that the network functions properly.
n
If you set different suppression ratios in Ethernet interface view or port group view
repeatedly, the last configuration takes effect.
Example # Set the maximum broadcast traffic allowed on Ethernet1/0 to 5952 pps.
<Sysname> system-view
[Sysname] interface ethernet 1/0
[Sysname-Ethernet1/0] broadcast-suppression pps 5952