PMGM_DISABLE_IGMP_CALLBACK callback function (mgm.h)

The PMGM_DISABLE_IGMP_CALLBACK callback is a call into IGMP to notify it that a routing protocol is taking or releasing ownership of an interface on which IGMP is enabled.

When this callback is invoked, IGMP should stop adding and deleting group memberships on the specified interface.

Syntax

PMGM_DISABLE_IGMP_CALLBACK PmgmDisableIgmpCallback;

DWORD PmgmDisableIgmpCallback(
  [in] DWORD dwIfIndex,
  [in] DWORD dwIfNextHopAddr
)
{...}

Parameters

[in] dwIfIndex

Specifies the interface on which to disable IGMP.

[in] dwIfNextHopAddr

Specifies the address of the next hop that corresponds to the index specified by dwIfIndex. The dwIfIndex and dwIfNextHopIPAddr parameters uniquely identify a next hop on point-to-multipoint interfaces. A point-to-multipoint interface is a connection where one interface connects to multiple networks. Examples of point-to-multipoint interfaces include non-broadcast multiple access (NBMA) interfaces and the internal interface on which all dial-up clients connect.

For broadcast interfaces (such as Ethernet interfaces) or point-to-point interfaces, which are identified by only the value of dwIfIndex, specify zero.

Return value

RRAS does not expect the application to return any specific value; any value returned is ignored by RRAS.

Requirements

Requirement	Value
Minimum supported client	None supported
Minimum supported server	Windows 2000 Server [desktop apps only]
Target Platform	Windows
Header	mgm.h

See also

PMGM_ENABLE_IGMP_CALLBACK