Syntax:
igmp delayed-flush <0-255>
Configuring Fast-Learn IGMP
Enables the fast learn feature globally. The no form of the command disables the fast learn feature.
This command is independent of interface context fast-learn command and only one command will
be exposed to the user. By default, this feature is disabled on all ports. hpicfIgmpMcastPortFastLearn
is the Mib variable defined for this command.
Syntax:
[no] igmp fastlearn <port-list>
VLAN Context Commands
Any of the VLAN context commands implicitly adds a row to IgmpInterfaceTable for this VLAN if
this row is missing in the table (with createAndGo for ip igmp, and createAndWait for all
other commands).
Enabling or Disabling IGMP on a VLAN
Enables IGMP on a VLAN. This command must be executed in a VLAN context.
Syntax:
[no] vlan <vid> ip igmp
Configuring the Querier Function
Disables or re-enables the ability for the switch to become a querier if necessary. When changing
to querier, a time delay of up to 32 seconds may occur. When no IP is assigned, the IP source
address of 0.0.0.0 is used for both static (self-joined) groups and proxy queries. The no form of
the command disables the querier function on the switch. The show ip igmp config command
displays the current querier command. (Default Querier Capability: Enabled.)
Syntax:
[no] vlan <vid> ip igmp
Configuring the IGMP Query Interval
Configures the query interval. Time range is 5 to 300 seconds, the default value is 125 seconds.
Syntax:
vlan <vid> ip igmp query interval <Query-interval time>
Configuring Per-Port IGMP Traffic Filters
Used in the VLAN context, this command specifies how each port should handle IGMP traffic.
(Default: auto.)
NOTE: All incoming and outgoing multicast data traffic is blocked on these blocked ports including
the incoming query and reports, however, the outgoing General queries are not blocked on these
ports.
Syntax:
vlan <vid> ip igmp [auto <port-list> | blocked <port-list>
| forward <port-list>]
IGMP V2 NG Overview 27
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