标签:lvs keepalived
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
标签:lvs keepalived
原文地址:http://tenderrain.blog.51cto.com/9202912/1940291