display pim bfd session

Function

The display pim bfd session command displays the information about PIM BFD sessions.

Format

display pim [ vpn-instance vpn-instance-name | all-instance ] bfd session statistics

display pim [ vpn-instance vpn-instance-name | all-instance ] bfd session [ interface interface-type interface-number | neighbor neighbor-address ] ^*

Parameters

Parameter	Description	Value
vpn-instance vpn-instance-name	Specifies a VPN instance. The vpn-instance-name specifies the name of the VPN instance.	The value must be an existing VPN instance name.
all-instance	Indicates all the instances.	-
statistics	Displays PIM BFD statistics.	-
interface interface-type interface-number	Specifies an interface to be displayed. interface-type interface-number specifies the type and number of the interface.	-
neighbor neighbor-address	Specifies the IP address of a PIM neighbor to be displayed.	The address is in dotted decimal notation.

Views

All views

Default Level

1: Monitoring level

Usage Guidelines

The display pim bfd session command output helps you locate communication faults between neighbors.

Example

# Display PIM BFD sessions on VLANIF 10.

<HUAWEI> display pim bfd session interface vlanif 10
 VPN-Instance: public net

 Vlanif10 (10.1.2.2): Total 2 BFD sessions Created

 Neighbor     ActTx(ms)     ActRx(ms)     ActMulti     Local/Remote     State
 10.1.2.3     20            20            5             8756/8652       Up
 10.1.2.4     30            10            3             8754/8423       Up

# Display PIM BFD sessions on VLANIF 10 when the switch is not enabled with global BFD.

<HUAWEI> display pim bfd session interface vlanif 10
 VPN-Instance: public net 
                                                                                
 Vlanif10 (10.1.2.2): Total 1 BFD session Created 
                                                                                
 Neighbor    ActTx(ms)    ActRx(ms)    ActMulti    Local/Remote           State 
 10.1.2.1    --           --           --              0/0                BFD global disable

# Display the statistics of a PIM BFD session.

<HUAWEI> display pim bfd session statistics
 VPN-Instance: public net
  Total 1 PIM BFD session in this instance.

   Total 1 PIM BFD session up.
   Total 0 PIM BFD session down.

# Display information about PIM BFD sessions of the neighbor 10.1.2.3.

<HUAWEI> display pim bfd session neighbor 10.1.2.3
VPN-Instance: public net

 Vlanif10 (10.1.2.2)  

 Neighbor     ActTx(ms)     ActRx(ms)     ActMulti     Local/Remote     State
 10.1.2.3     20             20              5         8756/8652          Up

**Table 1** Description of the **display pim bfd session** command output
Item	Description
Vlanif10 (10.1.2.2)	PIM interface name (the IP address).
Neighbor	IP address of a PIM neighbor.
ActTx (ms)	Actual minimum transmission interval, in milliseconds.
ActRx (ms)	Actual minimum receiving interval, in milliseconds.
ActMulti	Actual local detection multiple.
Local/Remote	Local and remote discriminators.
State	Status of the PIM BFD session. Up: indicates that the BFD session is set up successfully and detection packets are periodically exchanged. Init: indicates that the local end can communicate with the remote end and wants the session status to be Up. BFD global disable: indicates that BFD is globally disabled. Detect down: indicates that no BFD packets are not received when the detection time expires. Neighbour down: indicates that the packets with the State field being Down are received from neighbors.
Total 1 PIM BFD session in this instance	Total number of PIM BFD sessions in a public network instance or a VPN instance.
Total 1 PIM BFD session up	Number of PIM BFD sessions in the Up state in a public network instance or a VPN instance.
Total 0 PIM BFD session down	Number of PIM BFD sessions in the Down state in a public network instance or a VPN instance, that is, all PIM BFD sessions except the PIM BFD sessions in the Up state.