Displaying PIM SM snooping information on a Layer 2 switch

You can display PIM SM snooping information for all groups by entering the following command at any level of the CLI on a Layer 2 Switch.

device# show ip multicast pimsm-snooping vlan 100
VLAN 100, has 2 caches
1(*230.1.1.1) has 1 pim join ports out of 1OIF
1(age=60)
1 has 1 src: 10.20.20.66(60)
2(* 230.2.2.2) has 1 pim join ports out of 1 OIF
1(age=60)
1 has 1 src: 10.20.20.66(60)

Syntax: show ip multicast pimsm-snooping vlan vlan-id

Enter the ID of the VLAN for the vlanvlan-id parameter.

If you want to display PIM SM snooping information for one source or one group, enter a command as in the following example. The command also displays the (source, port) list of the group.

device# show ip multicst pimsm-snooping 230.1.1.1
Show pimsm snooping group 230.1.1.1 in all vlans
VLAN 10, has 2 caches
1(*230.1.1.1) has 1 pim join ports out of 1 OIF
1(age=120)
1 has 1 src:10.20.20.66(120)

Syntax: show ip multicast pimsm-snooping [group-address | source-address]

If the address you entered is within the range of source addresses, then the router treats it as the source address. Likewise, if the address falls in the range of group addresses, then the router assumes that you are requesting a report for that group.

The following table describes the information displayed by the show ip multicast pimsm-snooping command.

Field

Description

VLAN ID

The port-based VLAN to which the following information applies and the number of members in the VLAN.

PIM SM Neighbor list

The PIM SM routers that are attached to the Layer 2 Switch ports.

The value following "expires" indicates how many seconds the Layer 2 Switch will wait for a hello message from the neighbor before determining that the neighbor is no longer present and removing the neighbor from the list.

Multicast Group

The IP address of the multicast group.
NOTE
The fid and CAM index values are used by Brocade Technical Support for troubleshooting.

Forwarding Port

The ports attached to the group receivers. A port is listed here when it receives a join message for the group, an IGMP membership report for the group, or both.

PIMv2 Group Port

The ports on which the Layer 2 Switch has received PIM SM join messages for the group.

Source, Port list

The IP address of each PIM SM source and the Layer 2 Switch ports connected to the receivers of the source.

Refer to the FastIron Command Reference for information on PIM SM snooping commands.