Owner's Manual

Chapter 15. QoS | 385
NETGEAR 8800 User Manual
want subtracted from each packet ingressing the specified ports or the number of bytes you
want added to the packet ingressing the specified ports.
You add or subtract bytes from packets ingressing specified ports by using the following
command:
configure ports <port_list> rate-limit packet byte-adjustment [increase
<add_bytes> | decrease <sub_bytes>]
By default, all bytes are counted for the ingressing traffic rate. After you issue this command,
the default number of bytes removed is 0; you can add or subtract from 1 to 4 bytes from
each ingressing packet on the specified ports for calculating the ingressing traffic rate.
To display the number of bytes added to or subtracted from the packet to calculate the
ingressing traffic rate, traffic utilization, and traffic statistics, use the following command:
show ports <port_list> information detail
Note: You must use the detail keyword to display this information.
To unconfigure this setting, re-issue the command and enter the value 0.
If you use this command to decrease by 4, the show traffic queue statistics display
shows only bytes; the packets are displayed as 0.
Controlling Flooding, Multicast, and Broadcast Traffic on
Ingress Ports
On NETGEAR 8800 series switches, you can use the following command to control ingress
flooding of broadcast and multicast traffic and traffic for unknown destination MAC
addresses:
configure ports <port_list> rate-limit flood [broadcast | multicast |
unknown-destmac] [no-limit | <pps>]
Displaying QoS Configuration and Performance
The following sections describe ways to display QoS configuration and performance
information:
• Displaying Traffic Group Configuration Data on page 385
• Displaying the Rate-Limiting and Rate-Shaping Configuration on page 386
• Displaying Performance Statistics on page 387
Displaying Traffic Group Configuration Data
The following sections describe how to display traffic group configuration data: