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24-port NWay Ethernet Switch User’s Guide
72 Using the Console Interface
♦ Broadcast Storm Rising Threshold This setting
defines a ceiling for the number of broadcast packets
per second on this port. Once met, the Broadcast
Storm Rising Action (above) will be triggered. The
assigned number should be high enough to allow
normal broadcast packets (which comprise
significant traffic) to be let through, while being low
enough so that broadcast storms can be detected
early.
♦ Broadcast Storm Falling Action This setting will be
activated when the Broadcast Storm Rising
Threshold and then the Broadcast Storm Falling
Threshold (below) is met. This setting can be
configured to Do Nothing, Forward or Forward and
Trap. The Do Nothing setting causes the switch to
operate normally, in other words, ignore the
situation. If the port had met the Broadcast Storm
Rising Action criteria and started Blocking
broadcast packets, it will continue doing so. The
Forward setting causes the port to begin forwarding
broadcast frames, thus removing the Blocking state
imposed by the Broadcast Storm Rising Action.
Forward and Trap performs the same action as
Forward, except it also sends a trap to the
designated Trap Recipient informing them of the
situation.
♦ Broadcast Storm Falling Threshold This setting
defines the number of broadcast packets per second
on this port which will trigger the Broadcast Storm
Falling Action (above). This threshold will only
trigger an action if the Broadcast Storm Rising
Threshold has first been reached. The assigned
number should be high enough to allow normal
broadcast packets (which comprise significant