HP 6125G HP 6125G & 6125G/XG Blade Switches Layer 2 - LAN Switching Co - Page 17

Configuring storm suppression, Setting the statistics polling interval

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Configuring storm suppression In interface view, you can set the maximum size of broadcast, multicast, or unknown unicast traffic allowed to pass through an interface. When the broadcast, multicast, or unknown unicast traffic on the interface exceeds this threshold, the system discards packets until the traffic drops below this threshold. The storm suppression thresholds configured for an Ethernet interface might become invalid if you enable the storm control function for the interface. For information about the storm control function, see "Configuring storm control on an Ethernet interface." To set storm suppression thresholds on one or multiple Ethernet interfaces: Step 1. Enter system view. 2. Enter Ethernet interface. Command system-view interface interface-type interface-number 3. Set the broadcast broadcast-suppression { ratio | pps suppression threshold ratio. max-pps | kbps max-kbps } 4. Set the multicast multicast-suppression { ratio | pps suppression threshold ratio. max-pps | kbps max-kbps } 5. Set the unknown unicast unicast-suppression { ratio | pps suppression threshold ratio. max-pps | kbps max-kbps } Remarks N/A Use either command. Optional. By default, all broadcast traffic is allowed to pass through. Optional. By default, all multicast traffic is allowed to pass through. Optional. By default, all unknown unicast traffic is allowed to pass through. NOTE: If you set a traffic suppression threshold for an interface in Ethernet interface view multiple times, the threshold configured last takes effect. Setting the statistics polling interval To set the statistics polling interval globally or on an Ethernet interface: Step 1. Enter system view. Command system-view 2. Enter Ethernet interface view. interface interface-type interface-number 3. Set the statistics polling interval on the Ethernet interface. flow-interval interval Remarks N/A N/A Optional. The default interface statistics polling interval is 300 seconds. To display the interface statistics collected in the last polling interval, use the display interface command. To clear interface statistics, use the reset counters interface command. 8

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8
Configuring storm suppression
In interface view, you can set the maximum size of broadcast, multicast, or unknown unicast traffic
allowed to pass through an interface. When the broadcast, multicast, or unknown unicast traffic on the
interface exceeds this threshold, the system discards packets until the traffic drops below this threshold.
The storm suppression thresholds configured for an Ethernet interface might become invalid if you enable
the storm control function for the interface. For information about the storm control function, see
"
Configuring storm control on an Ethernet interface
."
To set storm suppression thresholds on one or multiple Ethernet interfaces:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter Ethernet interface.
interface
interface-type
interface-number
Use either command.
3.
Set the broadcast
suppression threshold ratio.
broadcast-suppression
{
ratio
|
pps
max-pps
|
kbps
max-kbps
}
Optional.
By default, all broadcast traffic is
allowed to pass through.
4.
Set the multicast
suppression threshold ratio.
multicast-suppression
{
ratio
|
pps
max-pps
|
kbps
max-kbps
}
Optional.
By default, all multicast traffic is
allowed to pass through.
5.
Set the unknown unicast
suppression threshold ratio.
unicast-suppression
{
ratio
|
pps
max-pps
|
kbps
max-kbps
}
Optional.
By default, all unknown unicast
traffic is allowed to pass through.
NOTE:
If you set a traffic suppression threshold for an interface in Ethernet interface view multiple times, the
threshold configured last takes effect.
Setting the statistics polling interval
To set the statistics polling interval globally or on an Ethernet interface:
Step
Command
Remarks
1.
Enter system view.
system-view
N/A
2.
Enter Ethernet interface view.
interface
interface-type
interface-number
N/A
3.
Set the statistics polling
interval on the Ethernet
interface.
flow-interval
interval
Optional.
The default interface statistics
polling interval is 300 seconds.
To display the interface statistics collected in the last polling interval, use the
display interface
command.
To clear interface statistics, use the
reset counters interface
command.