How to configure a virtual address of VRRP on an AR router

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How to configure a virtual address of VRRP on an AR router?
The vrrp vrid virtual-router-id virtual-ip virtual-address command is used to create a VRRP group and specify a virtual IP address for the group.
The vrid virtual-router-id command is used to specify a VRRP group number which is an integer in the range from 1 to 255.
The virtual-ip virtual-address command is used to specify a virtual IP address (dotted decimal notation) for the VRRP group.

[Huawei] interface gigabitethernet 1/0/0
[Huawei-GigabitEthernet1/0/0] vrrp vrid 1 virtual-ip 10.10.10.10 //Create a VRRP group on GE1/0/0. The group number is 1, and the virtual IP address is 10.10.10.10.

Other related questions:
How is a VRRP virtual MAC address calculated
A virtual MAC address is generated by the virtual router based on the virtual router ID. The virtual MAC address format is 00-00-5E-00-01-{VRID} (VRRP) and 00-00-5E-00-02-{VRID} (VRRP6).

Example of configuring VRRP active/standby backup on an AR router
The roadmap of configuring VRRP active/standby backup on an AR router to implement gateway redundancy is as follows: 1. Configure IP addresses and routing protocols for different device interfaces to enable network-layer connection among different devices. 2. Configure a VRRP group on Router A and Router B, respectively. Configure a high priority and set preemption delay to 20s on Router A and configure Router A as a master device to bear and forward traffic. Configure a low priority and configure Router B as a backup device to implement gateway redundancy. Configure a VRRP group. # Create VRRP 1 on Router A, set its priority to 120, and set the preemption delay to 20s. [RouterA] interface gigabitethernet 2/0/0 [RouterA-GigabitEthernet2/0/0] vrrp vrid 1 virtual-ip 10.1.1.111 //Configure a virtual IP address. [RouterA-GigabitEthernet2/0/0] vrrp vrid 1 priority 120 //Set priority to 120. [RouterA-GigabitEthernet2/0/0] vrrp vrid 1 preempt-mode timer delay 20 //Set the preemption delay to 20s. [RouterA-GigabitEthernet2/0/0] quit # Create VRRP 1 on Router B, and set its priority to a default value 100. [RouterB] interface gigabitethernet 2/0/0 [RouterB-GigabitEthernet2/0/0] vrrp vrid 1 virtual-ip 10.1.1.111 [RouterB-GigabitEthernet2/0/0] quit For details about the configuration, see the URL: Example for Configuring a VRRP Group in Active/Standby Mode.

How to create the virtual MAC address of the VRRP on the AR router
The virtual MAC address is generated based on the virtual router ID. The format is 00-00-5E-00-01-{VRID}(VRRP); 00-00-5E-00-02-{VRID}(VRRP6).

Configuring virtual IP addresses of VRRP groups on the USG6000
Configuring virtual IP addresses of VRRP groups on the USG6000 sys //Access the system view. [USG6600-1] int g1/0/9 //Access the Layer 3 interface. [USG6600-1-GigabitEthernet1/0/9]ip add 1.1.1.1 24 //Configure the interface IP address. [USG6600-1-GigabitEthernet1/0/9]vrrp vrid 1 virtual-ip 1.1.1.254 active (virtual IP address of the VRRP group) //Configure the virtual IP address of the VRRP group.

Number of virtual IP addresses of VRRP groups that can be configured on the USG6000
Example for configuring VRRP load balancing (configuring multiple virtual IP addresses) Requirements: USG_A serves as the Master of VRRP group 1 and the Backup of VRRP group 2. USG_B serves as the Master of VRRP group 2 and the Backup of VRRP group 1. On the internal network, HostA uses VRRP group 1 as the gateway, and HostC uses VRRP group 2 as the gateway. This helps implement load balancing and mutual backup. Configuration roadmap 1. Create two VRRP groups at GigabitEthernet 0/0/2 of USG_A. USG_A serves as the Master of VRRP group 1 and the Backup of VRRP group 2. 2. Create two VRRP groups at GigabitEthernet 0/0/2 of USG_B. USG_B serves as the Backup of VRRP group 1 and the Master of VRRP group 2. Operation steps 1. Configure VRRP. # Configure GigabitEthernet0/0/2 on USG_A, create VRRP group 1, and set the priority of USG_A in VRRP group 1 to 105 (as the Master). Create VRRP group 2 and set the priority of USG_A in VRRP group 2 to the default value 100 (as the Backup). system-view [USG_A] vrrp mode [USG_A] interface GigabitEthernet 0/0/2 [USG_A-GigabitEthernet0/0/2] ip address 10.1.1.1 24 [USG_A-GigabitEthernet0/0/2] vrrp vrid 1 virtual-ip 10.1.1.111 [USG_A-GigabitEthernet0/0/2] vrrp vrid 1 priority 105 [USG_A-GigabitEthernet0/0/2] vrrp vrid 2 virtual-ip 10.1.1.112 # Configure GigabitEthernet0/0/2 on USG_B, create VRRP group 1, and set the priority of USG_B in VRRP group 1 to the default value `100 (as the Backup). Create VRRP group 2 and set the priority of USG_B in VRRP group 2 to 105 (as the Master). system-view [USG_B] vrrp mode [USG_B] interface GigabitEthernet 0/0/2 [USG_B-GigabitEthernet0/0/2] ip address 10.1.1.2 24 [USG_B-GigabitEthernet0/0/2] vrrp vrid 1 virtual-ip 10.1.1.111 [USG_B-GigabitEthernet0/0/2] vrrp vrid 2 virtual-ip 10.1.1.112 [USG_B-GigabitEthernet0/0/2] vrrp vrid 2 priority 105

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