1 basic
description: displays the name of this management switch.
mac address: the unique hardware address is assigned by manufacturer (default).
firmware version: displays the switch’s firmware version.
asic version: displays the switch’s hardware version.
pcba version: displays the switch’s pcba version.
serial number: the serial number is assigned by manufacturer.

2 module info
displays the module card informations.

the module type will be 100/10mbps for fast ethernet management switch (1000/100/10mbps for gigabit switch).
3 advanced
miscellaneous settings:
mac address age-out time: type the number of seconds that an inactive mac address remains in the switch's address table.
the valid range is 300~765 seconds. default is 300 seconds.
max bridge transit delay bound control: limit the packets queuing time in switch. if enable, the packets queued exceed the time will be droped. this valid value are 1sec, 2 sec, 4 sec and off. default is 1 second.
broadcast storm filter mode: to configure broadcast storm control, enable it and set the upper threshold for individual ports.
the threshold is the percentage of the port's total bandwidth used by broadcast traffic. when broadcast traffic for a port rises above the threshold you set, broadcast storm control becomes active. the valid threshold value are 5%, 10%, 15%, 20%, 25% and off.

priority queue service settings:
first come first service: the sequence of packets sent is depend on arrive order.
all high before low: the high priority packets sent before low priority packets.
wrr: weighted round robin. select the preference given to packets in the switch's high-priority queue. these options represent the number of high priority packets sent before one low priority packet is sent. for example, 2 high : 1 low means that the switch sends 2 high priority packets before sending 1 low priority packet.
qos policy: high priority levels, 0~7 priority levels, can map to high or low queue.
collisions retry forever: enable it or just disable this function.
802.1x protocol: ieee 802.1x is port-based authentication protocol. you can enable it to control users’ access to the internet.