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AR Router Troubleshooting Guide

This Product Documentation provides guidance for maintaining AR Enterprise Router, covering common information collection and fault diagnostic commands, typical fault troubleshooting guide, and troubleshooting.
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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Which Aging Modes Does an SA Support?

Which Aging Modes Does an SA Support?

A security association (SA) supports the following types of lifetimes:

  • The time-based lifetime: the period of time an SA can exist after it is established.

  • The traffic-based lifetime: the maximum traffic volume that an SA can process.

When the specified time or traffic volume is reached, the SA becomes invalid. When the SA is about to expire, IKE will negotiate a new SA for IPSec. In this manner, a new SA is established when the old SA becomes invalid. Before the new SA is established, the two ends use the old SA to protect data flows. When the new SA is established, the two ends immediately use the new SA.

Updated: 2019-05-10

Document ID: EDOC1000079719

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