Asuswrt原版梅林官网https://www.asuswrt-merlin.net/

准备一个U盘 格式化为ext4格式

windows可用第三方工具格式化

最好双清路由器

之后插入路由器，路由器开启ssh登录

ssh连接路由器

df -h

可见U盘已经挂载上

安装Entware

github：https://github.com/RMerl/asuswrt-merlin.ng/wiki/Entware

amtm

这里菜单颜色随便选择

输入 i

输入ep 安装Entware

输入1 继续

输入1 继续

输入1 继续

安装成功 e 退出

更新软件列表

opkg update

安装keepalived

官网：https://www.keepalived.org/index.html

opkg install keepalived

注意，此时安装的软件全都在U盘中，其主目录在这里

备份默认配置

mv /tmp/mnt/sda1/entware/etc/keepalived/keepalived.conf /tmp/mnt/sda1/entware/etc/keepalived/keepalived.conf.bak

配置文件

krrp参数配置说明https://my.oschina.net/wrs/blog/833355

#keepalived.conf
global_defs {
    router_id LVS_1
}
vrrp_instance VI_1 {
    interface br0 # 这里是lan口网卡名，通过ip a查看
    state BACKUP #备份模式
    virtual_router_id 1 #两台路由要保持一致
    priority 50 #优先级
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        10.0.0.5/24 # 这里是虚拟ip地址
    }
}

启动程序

/tmp/mnt/sda1/entware/sbin/keepalived -n -f /tmp/mnt/sda1/entware/etc/keepalived/keepalived.conf &
#以下命令有回显则启动成功
ps | grep keepalived | grep -v grep

然而一直失败。。。。。。

日志中一直报错。。。。

Starting Keepalived v2.2.1 (04/12,2022), git commit merge-with-ng-1378-gd1241271+
Running on Linux 2.6.36.4brcmarm #1 SMP PREEMPT Fri Apr 30 17:01:57 EDT 2021 (built for Linux 2.6.36)
Command line: '/tmp/mnt/sda1/entware/sbin/keepalived' '-n' '-f'
              '/tmp/mnt/sda1/entware/etc/keepalived/keepalived.conf'
memfd_create error 21 - Is a directory

不知道怎么解决。。。。

Openwrt中直接运行成功。。。。。。

安装

opkg install keepalived

配置文件位置：/etc/keepalived/keepalived.conf

文件位置：/usr/sbin/keepalived

配置文件

global_defs {
    router_id LVS_1
}

vrrp_instance VI_1 {
    interface eth0 # 这里是lan口网卡名，通过ip a查看
    state MASTER #主模式
    virtual_router_id 1#两台路由要保持一致
    priority 100 #优先级
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }
    virtual_ipaddress {
        10.0.0.5 # 这里是虚拟ip地址，与主路由相同
    }
}

ps | grep keepalived | grep -v grep 显示在运行。。。