Document No. 10-300077, Issue 2 8-25
Configuring Ports
15. Select one of the following from the Flood 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 decreas e
the possibility of the port’s output buffer being overwhelmed.
16. Select the percentage of a port’ s traf fic t hat can b e unknown un icast an d
broadcast packets from the Flood Rate Limit Rate field pull-down
menu.
*Note: Set this value lower if the port is having overflow
problems.
17. Open the Flood Rate Limit Burst Size pull down menu.
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 buffer’s
capacity) for Fast Ethernet por ts. 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.
Tabl e 8-5 describes in detail the Fast Ethernet port parameters: