probe-interval

Function

The probe-interval command sets an interval at which Probe messages (null Register message) are sent to the rendezvous point (RP).

The undo probe-interval command restores the default interval.

By default, Probe messages are sent to the RP at an interval of 5 seconds.

Format

probe-interval interval

undo probe-interval

Parameters

Parameter	Description	Value
interval	Specifies an interval at which Probe messages are sent to the RP.	The value is an integer ranging from 1 to 1799, in seconds.

Parameter

Description

Value

interval

Specifies an interval at which Probe messages are sent to the RP.

The value is an integer ranging from 1 to 1799, in seconds.

Views

VPN instance PIM view, PIM view of a public network instance

Default Level

2: Configuration level

Task Name and Operations

Task Name	Operations
pim	write

Usage Guidelines

Usage Scenario

After receiving a Register-Stop message, the source's designated router (DR) stops sending Register messages and enters the register suppression state. During register suppression, the source's DR sends Probe messages to notify the RP that the multicast source is still in the Active state. After register suppression times out, the source's DR starts to send Register messages. To set the interval at which Probe messages are sent to the RP, run the probe-interval command.

Prerequisites

The multicast routing function has been enabled using the multicast routing-enable command in the public network instance view or VPN instance view.

Configuration Impact

If the probe-interval command is run several times, the latest configuration overrides the previous one.

Example

# In the public network instance, specify 6 seconds as the interval at which Probe messages are sent to the RP.

<HUAWEI> system-view
[~HUAWEI] multicast routing-enable
[*HUAWEI] pim
[*HUAWEI-pim] probe-interval 6