Allied Telesis RAPIER I - Manual (Page 129)

Software Version 2.8.1 129
Software Version 2.8.1
C613-10477-00 REV B
Example The following command enables storm protection as follows:
■ creates QoS Policy 1 with a description of stormprotection
■ enables storm protection on the policy
■ checks traffic every 200 milliseconds
■ if the rate has exceeded 50kbps, activates storm protection
■ when activated, storm protection operationally disables the port for 60
seconds
cre qos poli=1 desc=stormprotection dtcstorms=ena
dtcstormw=200 dtcstormr=50kbps dtcstorma=linkd
dtcstormt=60
Parameter Description
DTCSTORMStatus Whether storm protection is enabled for the default traffic class.
Default: disabled
DTCSTORMWindow Time between the polling of traffic class counters that checks
whether storm protection should be activated. Required when storm
protection is enabled.
Default: none
windowsize Number of milliseconds from 100 to 60 000.
NONE Storm protection is inactive.
DTCSTORMRate Storm protection is activated when this rate of traffic is exceeded.
Required when storm protection is enabled.
If the value of dtcstormwindow is less than one second, the rate is
averaged over the last second.
Default: none
Rate Bits per second from 1Kbps to 10Gbps, specified in
Kbps, Mbps or Gbps. If you do not specify a unit, it
uses Kbps. If you specify Mbps or Gbps, the rate may
contain a decimal fraction with up to 3 decimal
places, for example, 1.25 Mbps.
NONE Storm protection is inactive.
DTCSTORMAction Action QoS takes when a storm is detected on a port.
Default: portdisable
LINKDown Operationally disables ports to which the policy is
attached.
POrtdisable Administratively disables ports to which the policy is
attached.
DTCSTORMTimeout Length of time the port remains disabled after a storm is detected.
Default: none
timeoutlength Duration in seconds from 1 to 86400.
NONE The port remains disabled until you enable it again
with the enable switch port command.