Dell PowerEdge FX2/FX2s Manual de usuario descargar pdf (Pagina 361)

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links before it can be declared as up. For example, if the required minimum is four,

and only three are up, the LAG is considered down.

Internet Group Management Protocol (IGMP)

The IGMP commands are supported by the Dell Networking operating software on the Aggregator.

This chapter contains the following sections:

• IGMP Commands

• IGMP Snooping Commands

IGMP Commands

Dell Networking OS supports IGMPv1/v2/v3 and is compliant with RFC-3376.

Important Points to Remember

• IGMPv2 is the default version of IGMP on interfaces. You can configure IGMPv3 on interfaces. It is

backward compatible with IGMPv2.

• There is no hard limit on the maximum number of groups supported.

• IGMPv3 router interoperability with IGMPv2 and IGMPv1 routers on the same subnet is not supported.

• An administrative command (ip igmp version) is added to manually set the IGMP version.

• All commands previously used for IGMPv2 are compatible with IGMPv3.

ip igmp group-join-limit

To limit the number of IGMP groups that can be joined in a second, use this feature.

Syntax

ip igmp group-join-limit number

Parameters

number Enter the number of IGMP groups permitted to join in a

second. The range is from 1 to 10000.

Defaults none

Command

Modes

CONFIGURATION (conf-if-interface-slot/port)

Command

History

Version 9.4(0.0) Supported on the FN I/O aggregator. This command is

supported in Programmable-Mux (PMUX) mode only.

ip igmp querier-timeout

Change the interval that must pass before a multicast router decides that there is no longer another

multicast router that should be the querier.

Syntax

ip igmp querier-timeout seconds

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