Allied Telesis RAPIER I - Manual (Page 131)

Software Version 2.8.1 131
Software Version 2.8.1
C613-10477-00 REV B
Example The following command enables storm protection as follows:
■ creates QoS traffic class 1 with a description of stormprotection
■ enables storm protection on the traffic class
■ checks traffic every 200 milliseconds
■ if the rate exceeds 50kbps, then activates storm protection
■ when activated, storm protection operationally disables the port for 60
seconds
cre qos tr=1 desc=stormprotection storms=ena stormw=200
stormr=50kbps storma=linkd stormt=60
STORMRate Storm protection is activated when this rate of traffic is exceeded.
Required when storm protection is enabled.
If the value of stormwindow 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.
STORMAction Action QoS takes when a storm is detected on a port.
Default: portdisable
LINKDown Operationally disables ports to which the traffic class
is attached.
POrtdisable Administratively disables ports to which the traffic
class is attached.
VLANdisable Administratively disables ports to which the traffic
class is attached for the VLAN on which the classifier
is matching.
STORMTimeout 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, or the
enable switch port vlan command.
Parameter (cont.) Description (cont.)