Chapter 29 IGMP

Figure 131 IP Application > IGMP

The following table describes the labels in this screen.

Table 93 IP Application > IGMP

LABEL

DESCRIPTION

Active

Select this check box to enable IGMP on the Switch.

 

Note: You cannot enable both IGMP snooping and IGMP at the same

 

time. Refer to Section 22.4 on page 178 for more information on

 

IGMP snooping.

 

 

Unknown

Specify the action to perform when the Switch receives an unknown multicast frame.

Multicast

Unknown multicast frames are addressed to multicast groups for which the Switch has

Frame

not recorded any group members. Select Drop to discard the frame(s). Select Flooding

 

to send the frame(s) to all ports.

 

 

Index

This field displays an index number of an entry.

 

 

Network

This field displays the IP domain configured on the Switch.

 

Refer to Section 7.6 on page 81 for more information on configuring IP domains.

 

 

Version

Select an IGMP version from the drop-down list box. Choices are IGMP-v1, IGMP-v2,

 

IGMP-v3 and None.

 

Generally, if you want to enable IGMP on the Switch, you should choose IGMP-v3as it

 

is compatible with older versions. Choose an earlier version of IGMP (IGMP-v2or

 

IGMP-v1) if the multicast hosts on your network can not recognize IGMP version 3 or

 

version 2 Query messages.

 

 

Apply

Click Apply to save your changes to the Switch’s run-time memory. The Switch loses

 

these changes if it is turned off or loses power, so use the Save link on the top

 

navigation panel to save your changes to the non-volatile memory when you are done

 

configuring.

 

 

Cancel

Click Cancel to begin configuring this screen afresh.

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ES-4124 User’s Guide