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S12700 V200R010C00 Configuration Guide - Reliability

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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Licensing Requirements and Limitations for VRRP

Licensing Requirements and Limitations for VRRP

Involved Network Elements

Other network elements are required to support VRRP functions.

Licensing Requirements

VRRP is a basic feature of a switch and is not under license control.

VRRP6 can be only used on the device enabled with IPv6. IPv6 requires a license. By default, IPv6 of a newly purchased device is disabled. To use IPv6, apply for and purchase the license from the equipment supplier.

For details about how to apply for a license, see S Series Switch License Use Guide.

Version Requirements

Table 3-5  Products and versions supporting VRRP
Product Product Model Software Version


S12708 and S12712

V200R005C00, V200R006C00, V200R007C00, V200R007C20, V200R008C00, V200R009C00, V200R010C00, V200R011C10


V200R010C00, V200R011C10


V200R008C00, V200R009C00, V200R010C00, V200R011C10

To know details about software mappings, see Hardware Query Tool.

Feature Limitations

  • In V200R005, VRRP can be configured on the VLANIF interface and Layer 3 Ethernet interface.

    In V200R006 and later versions, VRRP can be configured on the VLANIF interface, Layer 3 Ethernet interface, Dot1q termination sub-interface, and QinQ termination sub-interface.

  • In V200R010 and later versions, VRRP6 can be configured on Dot1q termination sub-interfaces or QinQ termination sub-interfaces.
  • Switches of a VRRP group must be configured with the same VRID.
  • VRRP groups must use different virtual IP addresses. The virtual IP address of a VRRP group must be on the same network segment as the IP address of the interface where the VRRP group is configured.
  • If each switch in the VRRP group uses a different VRRP version, VRRP packets may fail to be transmitted. When a VRRPv3-enabled switch and a VRRPv2-enabled switch belong to the same VRRP group, run the vrrp version-3 send-packet-mode { v2-only | v2v3-both } command to configure the switch to send VRRPv2 packets.
  • If both VRRP and static ARP are configured on a VLANIF interface, a Dot1q termination sub-interface, a QinQ termination sub-interface, or an Ethernet interface on a device, an IP address mapped to a static ARP entry cannot be used as a virtual IP address. If a VRRP virtual IP address is an IP address mapped to a static ARP entry on the device, the device generates incorrect host routes, affecting traffic forwarding.
  • The virtual MAC address of a VRRP group cannot be configured as a static or blackhole MAC address.
  • In V200R003 and earlier versions, a maximum of 255 VRRP groups can be configured on the switch by default. In V200R005 and later versions, a maximum of 256 VRRP groups can be configured on the switch by default. In V200R010C00 and later versions, the set vrrp max-group-number max-group-number command can be used to set the maximum number of allowed VRRP groups.
  • When configuring VRRP on the subinterface view, pay attention to the following points:
    • In V200R009 and earlier versions, when VRRP is configured on a Dot1q termination sub-interface, only one VLAN can be configured on the sub-interface. When VRRP is configured on a QinQ termination sub-interface, only one PE VLAN and one CE VLAN can be configured on the sub-interface.
    • When configuring the VRRP groups on a VLAN tag termination sub-interface, run the arp broadcast enable command to enable ARP broadcast on the VLAN tag termination sub-interface.
  • The ARP aging probe packets sent by a VRRP device use an interface IP address, instead of a virtual IP address, as the source IP address.
Updated: 2019-08-21

Document ID: EDOC1000142090

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