Command:

show ip pim interface

Mode:

Router>


Syntax:

show ip pim interface [type number] [count]


Syntax Description:

type

(Optional) Interface type

number

(Optional) Interface number

count

(Optional) Number of packets received and sent out the interface

 


Command Description:

To display information about interfaces configured for Protocol Independent Multicast (PIM) , use the show ip pim interface EXEC command.

This command works only on interfaces that are configured for PIM.


Examples:

The following is a sample of output from the show ip pim interface command:

Router#show ip pim interface

Address          Interface          Mode    Neighbor  Query     DR
                                            Count     Interval
198.92.37.6      FastEthernet0/0    Dense   2         30        198.92.37.33
198.92.36.129    FastEthernet0/1    Dense   2         30        198.92.36.131
10.1.37.2        Tunnel0            Dense   1         30        0.0.0.0
 

The following is a sample of output from the show ip pim interface command with a count:

Router#show ip pim interface count


Address          Interface          FS  Mpackets In/Out
171.69.121.35    FastEthernet0/0    *   548305239/13744856
171.69.121.35    Serial0/0.33       *   8256/67052912
198.92.12.73     Serial0/0.1719     *   219444/862191
 

The table describes the fields shown in the display.

Table: show ip pim interface Field Descriptions

Field Description

Address

IP address of the next-hop router.

Interface

Interface type and number that is configured to run PIM.

Mode

Multicast mode in which the Cisco IOS software is operating. This can be dense mode or sparse mode. DVMRP indicates a DVMRP tunnel is configured.

Neighbor Count

Number of PIM neighbors that have been discovered through this interface. If the Neighbor Count is 1 for a DVMRP tunnel, the neighbor is active (receiving probes and reports).

Query Interval

Frequency, in seconds, of PIM router-query messages, as set by the ip pim query-interval interface configuration command. The default is 30 seconds.

DR

IP address of the designated router on the LAN. Note that serial lines do not have designated routers, so the IP address is shown as 0.0.0.0.

FS

An asterisk (*) in this column indicates fast switching is enabled.

Mpackets In/Out

Number of packets into and out of the interface since the box has been up.


Misconceptions:

None

Related commands:
show ip pim neighbor

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