ZyXEL Communications ES-2008 Switch User Manual


 
Dimension ES-2008 Ethernet Switch
5-2 Advanced Switch Configuration
Follow the instructions in the table below to configure this screen.
Table 5-1 Switching Configuration: Advanced
FIELD DESCRIPTION
MAC Table
Address Entry
Age-out time
Select this check box to remove a MAC address from the MAC address
table after a duration specified in the field provided.
Enter the duration in seconds between 300 and 765 that an inactive MAC
address remains in the switch's MAC address table. The default is 300
seconds.
Bridge
Transmit
Delay Bound
Select 1 sec, 2 sec or 4 sec from the pull down list box to limit the packet
queuing time in the switch. If enabled, the packets queued beyond the
time period specified here will be dropped.
Select OFF to disable this feature. This is the default setting.
Broadcast
Storm Filter
Mode
Threshold is the percentage of the port's total bandwidth used by
broadcast traffic. When broadcast traffic for a port increases above the
threshold, broadcast storm control becomes active.
Select a percentage number from the drop-down list box to set the
threshold of the ports.
Select OFF to disable this feature. This is the default setting.
Priority Queue Service
Select a priority queuing type.
First Come
First Served
Select this option to send packets in the order of arrival.
All High
Before Low
Select this option to send all high priority packets before sending packet
with low priority.
WRR Select the Weighted Round Robin (WRR) option to send packets
depending on the weight (or priority) in the Packet Weight field.
For example, if Packet Weight is 2, then the switch sends out two
packets with higher priority for every one low priority packet sent.
Packet
Weight (High:
Low)
This is the high weight and low weight ratio.
Specify the number of high priority packets to send. The number must be
bigger than 1.
Note: The default value for the low weight value is 1. You cannot change
this number.
Enable Delay
Bound
Select this option and specify a time in the Max Delay Time field (in
milliseconds) to specify a time period a low priority packet is allowed to
queue in the switch.