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Configuration Guide - Reliability

S1720, S2700, S5700, and S6720 V200R010C00

This document describes the configuration of BFD, DLDP, VRRP, SmartLink, CFM, EFM, Y.1731 and MAC swap loopback to ensure reliability on the device.
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(Optional) Setting the Maximum Number of VRRP Groups

(Optional) Setting the Maximum Number of VRRP Groups

Context

NOTE:

Only the S5720EI, S5720HI, S6720S-EI, and S6720EI support this command.

By default, the device supports a maximum of 64 VRRP groups. When more than 64 VRRP groups need to be configured, run the set vrrp max-group-number max-group-number command.

Procedure

  1. Run:

    system-view

    The system view is displayed.

  2. Run:

    set vrrp max-group-number max-group-number

    The maximum number of VRRP groups is set.

    By default, the device supports a maximum of 64 VRRP groups.

Follow-up Procedure

When more than 64 VRRP groups are configured, to reduce the frequency of sending VRRP Advertisement packets and the impact of VRRP Advertisement packets on network bandwidth and CPU performance, perform either of the following operations as prompted:

  • Increase the interval at which VRRP Advertisement packets are sent and the CPCAR of VRRP Advertisement packets.

    1. Run the vrrp vrid virtual-router-id timer advertise advertise-interval command to increase the interval at which VRRP Advertisement packets are sent for each VRRP group. For details, see (Optional) Configuring VRRP Time Parameters.
    2. Increase the CPCAR for VRRP Advertisement packets. Improper CPCAR settings will affect services on your network. If you need to adjust CPCAR settings, you are advised to contact Huawei technical personnel for help.
  • Configure mVRRP.

    For details on how to configure mVRRP, see Configuring an mVRRP Group.

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Updated: 2019-04-18

Document ID: EDOC1000141941

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