Scoping a multicast discovery

Configure which multicast groups and sources to discover using the Multicast tab.

1. Click the Discovery icon and select Network Discovery Configuration.
2. From the Domain list, select the required domain.
3. Click Multicast.
4. In the Multicast Groups section, create a new multicast group or edit an existing group:
   • To create a new group to discover, click New .
   • To edit an existing group, click the group name.
   The Multicast Group Properties page is displayed.
5. Define the scope properties using the following fields:

   Group Name

   Specify a name for this multicast group.

   PIM Mode

   Select whether to include or exclude Protocol Independent Multicast (PIM) data from the discovery. By default, PIM data is included.

   IPM Route Mode

   Select whether to include or exclude Internet Protocol Multicast (IPM) group data from the discovery. By default, IPM Group data is included.

   IGMP Mode

   Select whether to include or exclude Internet Group Management Protocol (IGMP) data from the discovery. By default, IGMP data is included.

   Protocol

   Only IPv4 is supported.

   Specify which Group subnets to add to Multicast Groups

   Use the following fields and buttons to add and delete group subnets:

   Subnet

   Enter a subnet and netmask for a group subnet to add to the multicast groups.

   Add

   Click Add the add this group.

   Delete

   Select a group subnet from the adjacent list and click Delete to delete the selected group.

   Note: Reserved multicast addresses are excluded from the scope by default.
6. Click OK.
7. To delete one or more groups, select the groups you want to delete and click the Delete button . To select or deselect all groups, click the Select All or Deselect All button.
8. In the Multicast Sources section, create a new multicast source or edit an existing source.
   • To create a new source to discover, click New .
   • To edit an existing source, click the source name.
   The Multicast Source Properties page is displayed.
9. Define the source properties using the following fields:

   IPM Route Mode

   Select whether to include or exclude the group:

   • Unknown - use default
   • Include source
   • Exclude source

   Protocol

   Only IPv4 is supported.

   Specify which Group subnets to add to Multicast Sources

   Use the following fields and buttons to add and delete group subnets:

   Subnet

   Enter a subnet and netmask for a group subnet to add to the multicast sources.

   Add

   Click Add the add this group.

   Delete

   Select a group subnet from the adjacent list and click Delete to delete the selected group.

   Specify which Source subnets to add to Multicast Sources

   Use the following fields and buttons to add and delete group subnets:

   Subnet

   Enter a subnet and netmask for a sources subnet to add to the multicast sources.

   Add

   Click Add the add this group.

   Delete

   Select a source subnet from the adjacent list and click Delete to delete the selected soource.

10. Click OK.
11. To delete one or more groups, select the groups you want to delete and click the Delete button . To select or deselect all groups, click the Select All or Deselect All button.
12. Click Save .