Avaya P880 Switch User Manual


 
Cajun P550/P880/P882 Switch User Guide
Configuring Port Parameters
5-23
15. Select one of the following from the Rate Limit Mode pull-
down menu:
Enable – If you want this port to limit the number of
unknown unicast and multicast (flooded) packets it tries to
forward
Disable – If you do not want this port to limit the number of
unknown unicast and multicast packets it tried to forward
Enable (include Known Multicasts) – If you want to
optionally include known multicast packets in this
percentage to further decrease the possibility of the port’s
output buffer that is being overwhelmed.
16. Select the percentage of a port’s traffic that can be unknown
unicast and broadcast packets from the Rate Limit Rate field
pull-down menu.
*Note: Set this value lower if the port is having overflow
problems.
17. Open the Rate Limit Burst Size pull down menu
(Figure5-18).
18. Select a packet limit for the number of packets allowed in a
single burst. The values are 1 to 2048.
*Note: Set this value lower than 1024 (the output
buffers capacity) for Fast Ethernet ports.
Also set this value lower if the port is experiencing
overflow problems.
19. Select Enable from the Pace Priority Mode pull-down menu
if you want this port to recognize and use 3Com’s PACE
priority mechanism.
20. Click APPLY to save your changes, or CANCEL to restore
previous settings.