In the VRRP group on the AR router, why the priority of 255 on a router cannot be changed manually

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In the VRRP group, the priority 255 is reserved for the IP address owner by the system and cannot be configured manually.

Other related questions:
Why have I failed to configure priority 255 of a router in a VRRP group
In a VRRP backup group, the priority of 255 is reserved for the IP address owner and cannot be manually configured.

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

AR router support for the VRRP feature
AR router support for the VRRP feature: All AR routers support VRRP. At present, there is no difference between AR router support for VRRP.

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).

Example of configuring VRRP load sharing of multiple gateways on an AR router
An example of configuring VRRP load sharing of multiple gateways on an AR router is as follows: In VRRP load sharing, multiple VRRP groups bear services, and each VRRP group contains a master device and multiple backup devices. The basic principle and packet negotiation procedure of VRRP load sharing are the same as those of VRRP active/standby backup. Unlike VRRP active/standby backup, multiple VRRP groups must be created to share load, the master devices of the groups can be different, and a VRRP device can be added into multiple groups and have different priorities in the groups. For details about the configuration, see the URL: Example for Configuring a VRRP Group in Multi-gateway Load Balancing Mode.

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