UMN:CLI User Manual
V5808
392
error-guard action shutdown
[PORTS]
Performs port blocking if the amount of error packets
exceeds a high threshold.
error-guard action trap [PORTS]
Generates a trap message when the amount of error
packets exceeds a high threshold.
no error-guard action
{shutdown | trap } [PORTS]
Deletes the policy to take action when the incoming
error packets exceed the configured threshold.
To display the error guard configuration, use the following command.
Displays the error guard configuration.
8.10 PPS Control
A packet storm occurs unexpectedly when a large number of broadcast, unicast, or
multicast packets are received on a port, which may cause unnecessary network
congestion. The V5808 provides the PPS control function that controls traffic for a port by
given threshold. If the number of incoming packets exceeds the threshold, the system
generates a syslog message and SNMP trap.
To set the threshold for PPS control, use the following command.
pps-control port PORTS
THRESHOLD {5 | 60 | 600}
Sets the threshold for PPS control.
PORTS: port number
THRESHOLD: number of packets per second (pps)
5 | 60 | 600: time interval (unit: second)
no pps-control port PORTS
Deletes the configured threshold for PPS control.
When the blocking option for PPS control is running, if the number of incoming packets
exceeds a configured threshold, the traffic is discarded during specified time.
To enable the blocking option, use the following command.
pps-control port PORTS block
timer <10-3600>
Enables the blocking option.
PORTS: port number
10-3600: blocking time (unit: second)
no pps-control port PORTS
block
Disables the blocking option.
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