说明:lvs的vip和realserver的rip是可以跨网段的
ifconfig输出如下:
[[email protected] 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) [[email protected] scripts]#
ip a输出如下:
[[email protected] 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: [email protected]: <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: [email protected]: <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: [email protected]: <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 [[email protected] scripts]#
最终效果如下:
[[email protected] ~]# 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: [email protected]: <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: [email protected]: <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: [email protected]: <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 [[email protected] ~]#
keepalived配置文件如下:
[[email protected] ~]# cat /etc/keepalived/keepalived.conf ! Configuration File for keepalived global_defs { notification_email { [email protected] } #notification_email_from [email protected] #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 } } } [[email protected] ~]#
参考:https://github.com/acassen/keepalived/issues/445
时间: 2024-11-10 21:10:30