Allied Telesis AT-S63 - Manual (Page 79)

AT-S63 Management Software Web Browser Interface User’s Guide
Section I: Basic Features 79
Unknown Unicast Rate Limit
Use this parameter to enable or disable ingress unknown unicast
packet limits and specify a rate limit for the ingress unknown
unicast packets. The possible settings are:
Enabled - Unknown unicast packet ingress rate limiting is
enabled.
Disabled - Unknown unicast packet ingress rate limiting is
disabled. This is the default.
You can also set the rate limit in packets per second. The range is
0 to 262143. The default is 262143.
Multicast Rate Limit
Use this parameter to enable or disable ingress multicast packet
limits and specify a rate limit for the ingress multicast packets. The
possible settings are:
Enabled - Multicast packet ingress rate limiting is enabled.
Disabled - Multicast packet ingress rate limiting is disabled. This is
the default.
You can also set the rate limit in packets per second. The range is
0 to 262143. The default is 262143.
HOL Blocking
HOL blocking sets a threshold on the utilization of a port’s egress
queue. When the threshold for a port is exceeded, the switch
signals other ports to discard packets to the oversubscribed port.
The possible settings are:
Enabled - HOL blocking prevention is activated.
Disabled - HOL blocking is inactivated on this port.
You also set the rate limit in number of cells. The range is 1 to
8191. The default is 8191. For more information about HOL
blocking, refer to Chapter 6, “Port Parameters,” in the AT-S63
Management Software Menus Interface User’s Guide.
MDI/MDIX Crossover
The wiring configuration of the port. The possible settings are:
Auto - The port automatically configures itself as MDI or MDIX,
depending upon the end node. This is the default.
MDI - The port uses straight through cable.
MDIX - The port uses a crossover cable.