
IES-3080 / IES-3062 SERIES User’s Manual
ORing Industrial Networking Corp
30
MSTP Instance Port interface
Label
Description
Instance
Set the instance’s information except CIST
Port
Selecting the port that you want to configure.
Priority (0-240)
Decide which port should be blocked by priority in LAN. Enter a
number 0 through 240. The value of priority must be the multiple
of 16
Path Cost
(1-200000000)
The cost of the path to the other bridge from this transmitting
bridge at the specified port. Enter a number 1 through
200000000.
Apply
Click “
Apply
” to set the configurations.
5.1.2 Multicast
5.1.2.1
IGMP Snooping
Internet Group Management Protocol (IGMP) is used by IP hosts to register their dynamic
multicast group membership. IGMP has 3 versions, IGMP v1, v2 and v3. Please refer to
RFC 1112, 2236 and 3376. IGMP Snooping improves the performance of networks that
carry multicast traffic. It provides the ability to prune multicast traffic so that it travels only to
those end destinations that require that traffic and reduces the amount of traffic on the
Ethernet LAN.
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