W
EB
S
OFTWARE
C
ONFIGURATION
R
EVISED
2018-09-21
IGMP
D
RAWING
N
O
. LP0991-G
2-52
N-Tron
®
Series NT24K
®
Software Manual
2.17
IGMP
2.17.1
Configuration
The Configuration dialog window displays the IGMP basic configuration settings. If an active N-Ring participant, the
ring ports are informatively shown as N-Ring router ports. On an N-Link Master, Slave or Coupler switch, the
coupler port is shown as an N-Link router port.
Note:
Bypass Relay models affect the implementation of this protocol. For more information, see section
IGMP Status:
This field indicates whether the IGMP is enabled or disabled. The default value for this field is
Enabled
.
Query Mode:
The default value for this option is Auto. Available options are:
Auto:
Multiple switches will ensure that only one switch is the active querier.
On:
This switch is always an active querier.
Off:
This switch never queries.
Router Mode:
The available options for this field are:
Auto:
This option allows for dynamically detected and manually set router ports. This is the default
value.
None:
This option allows for no router ports.
Manual:
This option allows for manually set router ports.
Remove Unused Groups:
If this option is checked, unused IGMP Groups will be removed and traffic with
those multicast addresses will be treated as normal multicast. If this option is unchecked, unused IGMP
Groups will remain and traffic with those multicast addresses will be limited. The default value for this field is
checked.
Note:
IGMP Groups are not retained through a power cycle.
Manual Router Ports:
Manually specify the used ports.
N-Ring Router Ports:
This field displays the N-Ring ports designated as active IGMP Router ports.
N-Link Router Port:
This field indicates the N-Link ports that have been designated as active IGMP Router
ports.
Active Querier IP:
This field shows the IP address of the Active Querier.
Click on the
Modify
button to make changes to the IGMP Status, Query Mode, Router Mode and Manual Router
Ports.
