show autotopology nmm-table

View topology message status to view the interconnections between Layer 2 devices in a network.

Syntax

Default

None

Command Mode

User EXEC

Command Output

The show autotopology nmm-table command displays the following information:

Output field

Description

Local Port

Specifies the slot and port that received the topology message.

IpAddress

Specifies the IP address of the sender of the topology message.

SegmentId

Specifies the segment identifier of the segment from which the remote agent sent the topology message. This value is extracted from the message.

MacAddress

Specifies the MAC address of the sender of the topology message.

ChassisType

Specifies the chassis type of the device that sent the topology message.

BT

Specifies the backplane type of the device that sent the topology message. The switch uses a backplane type of 12.

LS

Indicates if the sender of the topology message is on the same Ethernet segment as the reporting agent.

CS

Specifies the current state of the sender of the topology message. The choices are

  • topChanged—Topology information recently changed.

  • HtBt (heartbeat)—Topology information is unchanged.

  • new—The sending agent is in a new state.

Rem Port

Specifies the slot and port that sent the topology message.

Example

The following example displays the topology message status.

Switch:1(config)#show autotopology nmm-table 
==========================================================================================
                                      Topology Table 
==========================================================================================
Local                                                                              Rem  
Port     IpAddress       SegmentId MacAddress   ChassisType            BT LS  CS   Port 
------------------------------------------------------------------------------------------
0/0      192.0.2.81     0x000000  0030ab707a00 ChassisType 1          12 Yes HtBt  0/0 
1/1      192.0.2.81     0x000000  0050ea268800 ChassisType 2          12 Yes HtBt  1/12 
1/24     192.0.2.81     0x000000  070ab307aa00 ChassisType 3          12 Yes HtBt  1/1 
2/1      192.0.2.81     0x000000  0030ab57ab00 ChassisType 4          12 Yes HtBt  1/23 
2/2      192.0.2.81     0x000000  0030ab307af0 ChassisType 5          12 Yes HtBt  1/12