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Using the Web Console
To configure IGMP for an IP interface
1. In the left panel, click Layer 3 IP Networking.
2. In the top panel under IP Multicast Routing Protocols, click IGMP Interface Configurations.
3. Select an interface and click Edit.
4. Configure these fields.
Version
Query Interval
Max Response Time
Robustness Variable
State
5. Click Apply.
DVMRP Interface Configurations
The Distance Vector Multicast Routing Protocol (DVMRP) is a hop-based method of building
multicast delivery trees from multicast sources to all nodes of a network. Because the delivery trees
are "pruned" and use the "shortest path," DVMRP is relatively efficient. Because multicast group
membership information is forwarded by a distance-vector algorithm, propagation is slow.
DVMRP is optimized for high delay (high latency) and relatively low-bandwidth networks, and it
can be considered as a "best-effort" multicasting protocol.
To configure DVMRP for an IP interface
1. In the left panel, click Layer 3 IP Networking.
2. In the top panel, click DVMRP Interface Configurations.
3. Select the interface and click Edit.
4. Configure these fields.
Neighbor Timeout Interval
Probe Interval
Metric
State
118
Field
Specifies the version number of IGMP to be used with the IP interface.
Select between 1 and 2.
Specifies the time (in seconds) between the transmission of IGMP query
packets. Enter a value between 1—65535 seconds. The default is 125.
Specifies the maximum time the switch can wait for reports from members.
Enter a value between 1—25. The default is 10 seconds.
Specifies the permitted packet loss on a link. Enter a value between 1—255.
The default is 2.
Enables or disables IGMP on this IP interface.
Field
Specifies the maximum interval the switch will wait to hear from a neighbor.
If this interval expires, the switch assumes that this neighbor is down. Enter
a value from 1—65535. The default is 35.
Specifies the interval between probes. A probe is a query to other routers to
determine if a multicast group is present on a given router subnetwork.
Enter a value from 1—65535 seconds. The default is 10.
Specifies cost for this path. The higher the assigned cost, the less likely it is
that multicast packets will be routed over this interface (provided that other
path options exist). Enter a value between 1—31. The default is 1.
Enables or disables DVMRP for this interface.
Description
Description
ZT8101 Users Guide
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