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AR500, AR510, and AR530 V200R007 Commands Reference

This document describes all the configuration commands of the device, including the command function, syntax, parameters, views, default level, usage guidelines, examples, and related commands.
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ike heartbeat

ike heartbeat

Function

The ike heartbeat command sets the IKE heartbeat parameters.

The undo ike heartbeat command restores the default configuration.

By default, a heartbeat packet uses old type sequence number mechanism and does not carry the SPI list.

Format

ike heartbeat { seq-num { new | old } | spi-list }

undo ike heartbeat spi-list

Parameters

Parameter

Description

Value

seq-num { new | old }

Indicates the sequence number mechanism for heartbeat packets.

  • new: The sequence number mechanism conforms to draft-ietf-ipsec-heartbeats-00.txt.

  • old: The sequence number mechanism conforms to the standard that before the draft-ietf-ipsec-heartbeats-00.txt emergences.

-

spi-list

Indicates whether the heartbeat packets contain the SPI list.

-

Views

System view

Level

2: Configuration level

Usage Guidelines

Usage Scenario

In IPSec communication, if one end becomes faulty and the other end does not detect the fault because of system failures, this end still sends IPSec packets to the faulty end, causing traffic loss. Heartbeat detection solves this problem. After heartbeat detection is enabled, the local end periodically sends detection packets to the remote end. If the remote end does not receive packets after the heartbeat timer expires, the remote end considers the local end faulty. IKE can send heartbeat packets to detect the IKE peer fault and maintain the link status of the IKE SA.

Precautions

The two ends must use the same heartbeat parameters.

If you run the ike heartbeat seq-num command multiple times, only the latest configuration takes effect.

Example

# Configure IKE heartbeat detection based on the new sequence number mechanism.

<Huawei> system-view
[Huawei] ike heartbeat seq-num new
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Updated: 2019-05-29

Document ID: EDOC1000097293

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