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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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sa duration (IKE proposal view)

sa duration (IKE proposal view)

Function

The sa duration command sets the lifetime of IKE SAs in an IKE proposal.

The undo sa duration command restores the default lifetime of IKE SAs.

By default, the lifetime of an IKE SA is 86400 seconds.

Format

sa duration time-value

undo sa duration

Parameters

Parameter

Description

Value

time-value

Specifies the lifetime of IKE SAs. When the lifetime is reached, IKE SAs are updated automatically.

An integer ranging from 60 to 604800, in seconds.

Views

IKE proposal view

Default Level

2: Configuration level

Usage Guidelines

After the SA lifetime is set, SAs can be updated in real time, which makes it difficult to decipher SAs and enhances security.

When the SA is about to expire, IPSec peers negotiate a new SA. When the new SA is established, the two IPSec peers immediately use the new one. The old SA is automatically deleted after the timeout.

Example

# Set the lifetime of IKE SAs to 600 seconds (10 minutes) in IKE proposal 10.

<Huawei> system-view
[Huawei] ike proposal 10
[Huawei-ike-proposal-10] sa duration 600
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Updated: 2019-05-29

Document ID: EDOC1000097293

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