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Configuration Guide - Virtualization

CloudEngine 8800, 7800, 6800, and 5800 V200R005C10

This document describes the configurations of virtualization, including stack and SVF.
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Configuring a Heartbeat Timeout Interval for SVF Links

Configuring a Heartbeat Timeout Interval for SVF Links


In an SVF system, the parent and leaf switches exchange heartbeat packets to maintain link connections between them. If no heartbeat packet is transmitted on an SVF link within the timeout interval, the SVF link is considered abnormal. If SVF links are unstable, you can increase the heartbeat timeout interval of SVF links to maintain SVF system stability. If SVF links are stable, you can shorten the heartbeat timeout interval of SVF links to ensure that traffic can be switched in a timely manner in case of link failures.


  1. Run the system-view command to enter the system view.
  2. Run the interface fabric-port port-id command to enter the fabric port view.
  3. Run the port holdtime hold-time command to set a heartbeat timeout interval for SVF links of the fabric port.

    By default, the heartbeat timeout interval of SVF links is 40 seconds.

  4. Run the commit command to commit the configuration.
Updated: 2019-04-03

Document ID: EDOC1100075367

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