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Passive:
In passive snooping mode, IGMP snooping will not periodically poll the hosts in the
groups. The switch will send a Membership Query message to all hosts only when it has
received a Membership Query message from a router.
IP Address:
Shows all multicast groups IP addresses that are registered on this device.
VLAN ID:
Shows VLAN ID for each multicast group.
Member Port:
Shows member ports that join each multicast group.
5.14
Maximum Packet Length
Function name:
Max. Packet Length
Function description:
The switch is capable of handling with 9k jumbo frames.
Parameter description:
Jumbo Frame(bytes):
Set up the maximum length of the packet that each port of the switch can accept. Maximum
length can be up to 1532 bytes or 9216 bytes. The default is 1532 bytes.
5.15
DHCP Boot
The DHCP Boot function is used to spread the request broadcast packet into a bigger time
frame to prevent the traffic congestion due to broadcast packets from many network devices
which may seek its NMS, boot server, DHCP server and predefined connections in case the
whole building or block loses power. When this happens, the switch has to be rebooted.
Switches or other network devices on the LAN will try their best to find the server to return to
their services or try to set up the predefined links. Many broadcast packets will be issued.
Waters Network Systems
Figure 5.26 - Maximum Packet Length
User's Manual
GSM-2108/GSM-1008SFP
Page 55
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