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Configuration Guide - Reliability

CloudEngine 12800 and 12800E V200R002C50

This document describes the configurations of Reliability, including BFD Configuration, VRRP Configuration, DLDP Configuration, Smart Link and Monitor Link Configuration, EFM Configuration, and CFM Configuration.
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(Optional) Enabling the Ping to a Virtual IP Address

(Optional) Enabling the Ping to a Virtual IP Address

Context

The device allows user devices to ping a virtual IP address for the following purposes:
  • Monitoring the operating status of the master in a VRRP group
  • Ensuring that the route between a user device and a network connected through a default gateway that uses the virtual IP address is available

If the ping to a virtual IP address is enabled, a device on an external network can ping the virtual IP address. This exposes the device to ICMP-based attacks. You can use the vrrp virtual-ip ping disable command to disable the ping function.

Procedure

  1. Run system-view

    The system view is displayed.

  2. Run undo vrrp virtual-ip ping disable

    The ping to a virtual IP address is enabled.

    By default, the ping function is enabled. The master in a VRRP group responds to ping packets sent to the virtual IP address.

  3. Run commit

    The configuration is committed.

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Updated: 2019-03-21

Document ID: EDOC1000166606

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