3Com Switch 8800 Advanced Software V5 Configuration Guide

58 CHAPTER 6: ETHERNET INTERFACE CONFIGURATION
Configuring a Port
Group
To make the configuration task easier for users, certain devices allow users to
configure on a single port as well as on multiple ports in a port group. In port
group view, the user only needs to input the configuration command once on one
port and that configuration will apply to all ports in the port group. This effectively
reduces redundant configurations.
A Port group belongs to one of the following two categories:
■ Manual port group: manually created by users. Multiple Ethernet interfaces can
be added to the same port group;
■ Dynamic port group: dynamically created by system, currently mainly applied in
link aggregation port groups. A link aggregation port group is automatically
created together with the creation of a link aggregation group and cannot be
created by users through command line input. Adding or deleting of ports in a
link aggregation port group can only be achieved through operations on the
link aggregation group.
Follow these steps to enter port group view:
Follow these steps to configure a manual port group:
Setting the Storm
Suppression Ratio for an
Ethernet Interface
You can suppress the broadcast traffic passing through an Ethernet interface in
the following way.
In interface configuration mode, the suppression ratio indicates the maximum
broadcast traffic allowed to pass through an interface. When the broadcast traffic
over the interface exceeds the threshold, the system will discard the extra packets
so that the broadcast traffic ratio can drop below the limit to ensure that the
network functions properly.
Follow these steps to configure the storm suppression ratio for an Ethernet
interface:
To do... Use the command... Remarks
Enter system view system-view -
Enter port
group view
Enter manual
port group
view
port-group manual
port-group-name
-
Enter
aggregation
port group
view
port-group aggregation
agg-id
-
To do... Use the command... Remarks
Enter system view system-view -
Create a manual port group
and enter manual port group
view
port-group manual
port-group-name
Required
Add Ethernet interfaces to the
manual port group
group-member interface-list Required