lvs 一个网卡单个管理ip，多个跨网段VIP解决办法

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lvs 一个网卡单个管理ip，多个跨网段VIP解决办法

2024-10-09 08:12:02 214人阅读

说明：lvs的vip和realserver的rip是可以跨网段的

ifconfig输出如下：

[root@sh-it-prd-lvs01 scripts]# ifconfig 
eth0      Link encap:Ethernet  HWaddr 00:50:56:84:86:FB  
          inet6 addr: fe80::250:56ff:fe84:86fb/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7492562 errors:0 dropped:0 overruns:0 frame:0
          TX packets:4443845 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000 
          RX bytes:474201572 (452.2 MiB)  TX bytes:246936351 (235.4 MiB)

eth0.200  Link encap:Ethernet  HWaddr 00:50:56:84:86:FB  
          inet6 addr: fe80::250:56ff:fe84:86fb/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:0 errors:0 dropped:0 overruns:0 frame:0
          TX packets:12 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:0 (0.0 b)  TX bytes:936 (936.0 b)

eth0.1016 Link encap:Ethernet  HWaddr 00:50:56:84:86:FB  
          inet addr:172.24.130.113  Bcast:172.24.130.255  Mask:255.255.255.0
          inet6 addr: fe80::250:56ff:fe84:86fb/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:7446938 errors:0 dropped:0 overruns:0 frame:0
          TX packets:3145054 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:367240583 (350.2 MiB)  TX bytes:176803005 (168.6 MiB)

eth0.1025 Link encap:Ethernet  HWaddr 00:50:56:84:86:FB  
          inet6 addr: fe80::250:56ff:fe84:86fb/64 Scope:Link
          UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
          RX packets:45600 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1298779 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:2106209 (2.0 MiB)  TX bytes:70132410 (66.8 MiB)

lo        Link encap:Local Loopback  
          inet addr:127.0.0.1  Mask:255.0.0.0
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:16436  Metric:1
          RX packets:1024962 errors:0 dropped:0 overruns:0 frame:0
          TX packets:1024962 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:0 
          RX bytes:72580466 (69.2 MiB)  TX bytes:72580466 (69.2 MiB)

[root@sh-it-prd-lvs01 scripts]#

ip a输出如下：

[root@sh-it-prd-lvs01 scripts]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
    link/ether 00:50:56:84:86:fb brd ff:ff:ff:ff:ff:ff
    inet6 fe80::250:56ff:fe84:86fb/64 scope link 
       valid_lft forever preferred_lft forever
9: eth0.200@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP 
    link/ether 00:50:56:84:86:fb brd ff:ff:ff:ff:ff:ff
    inet6 fe80::250:56ff:fe84:86fb/64 scope link 
       valid_lft forever preferred_lft forever
11: eth0.1016@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP 
    link/ether 00:50:56:84:86:fb brd ff:ff:ff:ff:ff:ff
    inet 172.24.130.113/24 brd 172.24.130.255 scope global eth0.1016
    inet6 fe80::250:56ff:fe84:86fb/64 scope link 
       valid_lft forever preferred_lft forever
12: eth0.1025@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP 
    link/ether 00:50:56:84:86:fb brd ff:ff:ff:ff:ff:ff
    inet6 fe80::250:56ff:fe84:86fb/64 scope link 
       valid_lft forever preferred_lft forever
[root@sh-it-prd-lvs01 scripts]#

最终效果如下：

[root@sh-it-prd-lvs01 ~]# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 16436 qdisc noqueue state UNKNOWN 
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
    inet6 ::1/128 scope host 
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq state UP qlen 1000
    link/ether 00:50:56:84:86:fb brd ff:ff:ff:ff:ff:ff
    inet6 fe80::250:56ff:fe84:86fb/64 scope link 
       valid_lft forever preferred_lft forever
9: eth0.200@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP 
    link/ether 00:50:56:84:86:fb brd ff:ff:ff:ff:ff:ff
    inet6 fe80::250:56ff:fe84:86fb/64 scope link 
       valid_lft forever preferred_lft forever
11: eth0.1016@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP 
    link/ether 00:50:56:84:86:fb brd ff:ff:ff:ff:ff:ff
    inet 172.24.130.113/24 brd 172.24.130.255 scope global eth0.1016
    inet 172.24.130.5/32 scope global eth0.1016
    inet 172.24.130.6/32 scope global eth0.1016
    inet 172.24.130.7/32 scope global eth0.1016
    inet6 fe80::250:56ff:fe84:86fb/64 scope link 
       valid_lft forever preferred_lft forever
12: eth0.1025@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP 
    link/ether 00:50:56:84:86:fb brd ff:ff:ff:ff:ff:ff
    inet 172.24.25.5/32 scope global eth0.1025
    inet 172.24.25.6/32 scope global eth0.1025
    inet 172.24.25.7/32 scope global eth0.1025
    inet6 fe80::250:56ff:fe84:86fb/64 scope link 
       valid_lft forever preferred_lft forever
[root@sh-it-prd-lvs01 ~]#

keepalived配置文件如下：

[root@sh-it-prd-lvs01 ~]# cat /etc/keepalived/keepalived.conf
! Configuration File for keepalived
global_defs {
        notification_email {
        wuxiaoyu@meituan.com
        }
        #notification_email_from root@localhost
        #smtp_server 127.0.0.1
        #smtp_connect_timeout 30
        router_id 980124
}
vrrp_sync_group VG_1 {
        group {
                VI_1
                VI_11
        }
}
vrrp_sync_group VG_2 {
        group {
                VI_2
                VI_21
        }
}
vrrp_sync_group VG_3 {
        group {
                VI_3
                VI_31
        }
}
vrrp_instance VI_1 {
        state MASTER
        interface eth0.1016  ##指定vrrp网卡
        virtual_router_id 50
        priority 150
        nopreempt # no seize,master must add
        advert_int 1
        authentication {
        auth_type PASS
        auth_pass 123456
        }
        virtual_ipaddress {
        172.24.130.5 dev eth0.1016
        }
        notify_master /etc/keepalived/scripts/state_master.sh
        notify_backup /etc/keepalived/scripts/state_backup.sh
        notify_fault  /etc/keepalived/scripts/state_fault.sh
}
vrrp_instance VI_11 {
        state MASTER
        interface eth0.1016  ##指定vrrp网卡
        virtual_router_id 150
        priority 150
        nopreempt # no seize,master must add
        advert_int 1
        authentication {
        auth_type PASS
        auth_pass 123456
        }
        virtual_ipaddress {
        172.24.25.5 dev eth0.1025
        }
        notify_master /etc/keepalived/scripts/state_master.sh
        notify_backup /etc/keepalived/scripts/state_backup.sh
        notify_fault  /etc/keepalived/scripts/state_fault.sh
}
virtual_server 172.24.130.5 53 {
        delay_loop 6
        lb_algo wrr
        lb_kind DR
        persistence_timeout 50
        #sorry_server 127.0.0.1 53
        protocol UDP

        real_server 172.24.130.115 53 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        MISC_CHECK {
                misc_timeout 10
                #connect_timeout 3
                #nb_get_retry   3
                #retry   3
                #delay_before_retry 3
                misc_path "/usr/local/keepalived/UDP_CHECK.sh 172.24.130.115 53" 
                }
        }
        real_server 172.24.130.116 53 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        MISC_CHECK {
                misc_timeout 10
                #connect_timeout 3
                #nb_get_retry   3
                #retry   3
                #delay_before_retry 3
                misc_path "/usr/local/keepalived/UDP_CHECK.sh 172.24.130.116 53" 
                }
        }
}
virtual_server 172.24.25.5 53 {
        delay_loop 6
        lb_algo wrr
        lb_kind DR
        persistence_timeout 50
        #sorry_server 127.0.0.1 53
        protocol UDP

        real_server 172.24.130.115 53 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        MISC_CHECK {
                misc_timeout 10
                #connect_timeout 3
                #nb_get_retry   3
                #retry   3
                #delay_before_retry 3
                misc_path "/usr/local/keepalived/UDP_CHECK.sh 172.24.130.115 53" 
                }
        }
        real_server 172.24.130.116 53 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        MISC_CHECK {
                misc_timeout 10
                #connect_timeout 3
                #nb_get_retry   3
                #retry   3
                #delay_before_retry 3
                misc_path "/usr/local/keepalived/UDP_CHECK.sh 172.24.130.116 53" 
                }
        }
}
vrrp_instance VI_2 {
        state  MASTER
        interface eth0.1016  ##指定vrrp网卡
        virtual_router_id 51
        priority 150
        nopreempt # no seize,master must add
        advert_int 1
        authentication {
        auth_type PASS
        auth_pass 123456
        }
        virtual_ipaddress {
        172.24.130.6 dev eth0.1016 
        }
        notify_master /etc/keepalived/scripts/state_master.sh
        notify_backup /etc/keepalived/scripts/state_backup.sh
        notify_fault  /etc/keepalived/scripts/state_fault.sh
}
vrrp_instance VI_21 {
        state  MASTER
        interface eth0.1016  ##指定vrrp网卡
        virtual_router_id 151
        priority 150
        nopreempt # no seize,master must add
        advert_int 1
        authentication {
        auth_type PASS
        auth_pass 123456
        }
        virtual_ipaddress {
        172.24.25.6 dev eth0.1025
        }
        notify_master /etc/keepalived/scripts/state_master.sh
        notify_backup /etc/keepalived/scripts/state_backup.sh
        notify_fault  /etc/keepalived/scripts/state_fault.sh
}
virtual_server 172.24.130.6 80 {
        delay_loop 6
        lb_algo wrr
        lb_kind DR
        persistence_timeout 50
        #sorry_server 127.0.0.1 53
        protocol TCP

        real_server 172.24.130.117 80 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        TCP_CHECK {
                connect_timeout 3
                #nb_get_retry   3
                retry   3
                delay_before_retry 3
                connect_port 80
                }
        }
        real_server 172.24.130.118 80 {
        weight 0
        #notify_up up.sh
        #notify_down down.sh
        TCP_CHECK {
                connect_timeout 3
                #nb_get_retry   3
                retry   3
                delay_before_retry 3
                connect_port 80
                }
        }
}
virtual_server 172.24.25.6 80 {
        delay_loop 6
        lb_algo wrr
        lb_kind DR
        persistence_timeout 50
        #sorry_server 127.0.0.1 53
        protocol TCP

        real_server 172.24.130.117 80 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        TCP_CHECK {
                connect_timeout 3
                #nb_get_retry   3
                retry   3
                delay_before_retry 3
                connect_port 80
                }
        }
        real_server 172.24.130.118 80 {
        weight 0
        #notify_up up.sh
        #notify_down down.sh
        TCP_CHECK {
                connect_timeout 3
                #nb_get_retry   3
                retry   3
                delay_before_retry 3
                connect_port 80
                }
        }
}
vrrp_instance VI_3 {
        state  MASTER
        interface eth0.1016  ##指定vrrp网卡
        virtual_router_id 52
        priority 150
        nopreempt # no seize,master must add
        advert_int 1
        authentication {
        auth_type PASS
        auth_pass 123456
        }
        virtual_ipaddress {
        172.24.130.7 dev eth0.1016 
        }
        notify_master /etc/keepalived/scripts/state_master.sh
        notify_backup /etc/keepalived/scripts/state_backup.sh
        notify_fault  /etc/keepalived/scripts/state_fault.sh
}
vrrp_instance VI_31 {
        state  MASTER
        interface eth0.1016  ##指定vrrp网卡
        virtual_router_id 152
        priority 150
        nopreempt # no seize,master must add
        advert_int 1
        authentication {
        auth_type PASS
        auth_pass 123456
        }
        virtual_ipaddress {
        172.24.25.7 dev eth0.1025
        }
        notify_master /etc/keepalived/scripts/state_master.sh
        notify_backup /etc/keepalived/scripts/state_backup.sh
        notify_fault  /etc/keepalived/scripts/state_fault.sh
}
virtual_server 172.24.130.7 10051 {
        delay_loop 6
        lb_algo wrr
        lb_kind DR
        persistence_timeout 50
        #sorry_server 127.0.0.1 53
        protocol TCP

        real_server 1.1.1.1 10051 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        TCP_CHECK {
                connect_timeout 3
                #nb_get_retry   3
                retry   3
                delay_before_retry 3
                connect_port 10051
                }
        }
        real_server 1.1.1.2 10051 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        TCP_CHECK {
                connect_timeout 3
                #nb_get_retry   3
                retry   3
                delay_before_retry 3
                connect_port 10051
                }
        }
}
virtual_server 172.24.25.7 10051 {
        delay_loop 6
        lb_algo wrr
        lb_kind DR
        persistence_timeout 50
        #sorry_server 127.0.0.1 53
        protocol TCP

        real_server 1.1.1.1 10051 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        TCP_CHECK {
                connect_timeout 3
                #nb_get_retry   3
                retry   3
                delay_before_retry 3
                connect_port 10051
                }
        }
        real_server 1.1.1.2 10051 {
        weight 100
        #notify_up up.sh
        #notify_down down.sh
        TCP_CHECK {
                connect_timeout 3
                #nb_get_retry   3
                retry   3
                delay_before_retry 3
                connect_port 10051
                }
        }
}
[root@sh-it-prd-lvs01 ~]#

参考：https://github.com/acassen/keepalived/issues/445

lvs 一个网卡单个管理ip，多个跨网段VIP解决办法

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lvs 一个网卡单个管理ip，多个跨网段VIP解决办法

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