Clearing Igmp Statistics; Igmp Proxy; Configuration Notes - Dell PowerConnect B-FCXs Configuration Manual

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IGMP Proxy

TABLE 142
This field
MbrV2
MbrV3
Leave
IsIN
IsEX
ToIN
ToEX
ALLOW
BLK

Clearing IGMP statistics

To clear statistics for IGMP traffic, enter the following command.
PowerConnect#clear igmp traffic
Syntax: clear igmp traffic
This command clears all the multicast traffic information on all interfaces on the device.
IGMP Proxy
IGMP Proxy provides a means for the routers to receive any or all multicast traffic from an upstream
device if the router is not able to run PIM.
IGMP Proxy enables the router to issue IGMP host messages on behalf of hosts that the router
discovered through standard PIM interfaces. The router acts as a proxy for its hosts and performs
the host portion of the IGMP task on the upstream interface as follows:
•
•

Configuration notes

When using IGMP Proxy, you must do the following.
1. Configure PIM on all multicast client ports to build the group membership table. The group
Also note the following limitations:
•
778
Output of show ip igmp traffic (Continued)
Displays
The IGMP V2 membership report.
The IGMP V3 membership report.
Number of IGMP V2 "leave" messages on the interface. (See ToEx for IGMP V3.)
Number of source addresses that were included in the traffic.
Number of source addresses that were excluded in the traffic.
Number of times the interface mode changed from exclude to include.
Number of times the interface mode changed from include to exclude.
Number of times that additional source addresses were allowed or denied on the interface.
Number of times that sources were removed from an interface.
When queried, the router sends group membership reports for the groups learned
When one of its hosts joins a multicast address group to which none of its other hosts belong,
the router sends unsolicited membership reports to that group.
membership table will be reported by the proxy interface. Refer to
disabling PIM" on page 737.
IGMP Proxy cannot be enabled on the same interface on which PIM SM, PIM DM, or DVMRP is
enabled.
"Globally enabling and
PowerConnect B-Series FCX Configuration Guide
53-1002266-01