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两台服务器：192.168,1,212，192.168.1.110(centos7-01)
防火墙、selinux都关闭了，vrrp也都能正常接收，但是两台服务器都获取到了vip
192.168.1.110的keepalived.conf
global_defs {
notification_email {
997914490@qq
}
notification_email_from sns-lvs@gmail
#smtp_server smtp.hysec
#smtp_connection_timeout 30
router_id mycat_master # 设置mycat master的id，在一个网络应该是唯一的
}
vrrp_script chk_http_port {
script "/usr/local/src/mycat/check_pid.sh" # 返回状态码为0表示正常,检测脚本为true;返回状态码非0表示异常,检测脚本为false
interval 2 # 检测脚本执行的间隔，单位是秒
weight 20
}
vrrp_instance VI_1 {
state MASTER # 指定keepalived的角色，MASTER为主，BACKUP为备
interface enp0s3 # 当前进行vrrp通讯的网络接口卡(当前centos的网卡)
virtual_router_id 66 # 虚拟路由编号，主从要一致
priority 100 # 优先级，数值越大，获取处理请求的优先级越高
advert_int 1 # 检查间隔，默认为1s(vrrp组播周期秒数)
authentication {
auth_type PASS
auth_pass 1111
}
track_script {
chk_http_port # 调用检测脚本
}
virtual_ipaddress {
192.168.0.200 # 定义虚拟ip(VIP)，可多设，每行一个
}
}
192.168.1.212的keepalived.conf
global_defs {
notification_email {
997914490@qq
}
notification_email_from sns-lvs@gmail
#smtp_server smtp.hysec
#smtp_connection_timeout 30
router_id mycat_backup # 设置mycat master的id，在一个网络应该是唯一的
}
vrrp_script chk_mycat_alive {
script "/usr/local/src/mycat/check_pid.sh" #mycat检测脚本
interval 2 #(检测脚本执行的间隔，单位是秒)
weight 20
}
vrrp_instance VI_1 {
state BACKUP # 指定keepalived的角色，MASTER为主，BACKUP为备
interface eth0 # 当前进行vrrp通讯的网络接口卡(当前centos的网卡)
virtual_router_id 65 # 虚拟路由编号，同集群，主备必须一致，但同一内网内不能相同
priority 90 # 优先级，数值越大，获取处理请求的优先级越高
advert_int 1 # 检查间隔，默认为1s(vrrp组播周期秒数)
authentication {
auth_type PASS
auth_pass 1111
}
track_script {
chk_mycat_alive #(调用检测脚本)
}
virtual_ipaddress {
192.168.1.200 # 定义虚拟ip(VIP)，可多设，每行一个
}
}
vip情况：
192.168.1.110:
enp0s3: mtu 1500 qdisc pfifo_fast state UP group default qlen 1000
link/ether 08:00:27:0b:58:6a brd ff:ff:ff:ff:ff:ff
inet 192.168.1.110/24 brd 192.168.1.255 scope global noprefixroute enp0s3
valid_lft forever preferred_lft forever
inet 192.168.0.200/32 scope global enp0s3
valid_lft forever preferred_lft forever
inet6 fe80::c5f5:ede0:1d3f:bb29/64 scope link noprefixroute
valid_lft forever preferred_lft forever
192.168.1.212:
1: lo: mtu 65536 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: mtu 1500 qdisc pfifo_fast state UP qlen 1000
link/ether 08:00:27:94:55:54 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.212/24 brd 192.168.1.255 scope global eth0
inet 192.168.1.200/32 scope global eth0
inet6 fe80::a00:27ff:fe94:5554/64 scope link
valid_lft forever preferred_lft forever
vrrp包收发情况
192.168,1,212:
20:49:54.250324 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:49:54.496484 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:49:55.251307 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:49:55.497229 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:49:56.253742 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:49:56.497428 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:49:57.254872 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:49:57.497577 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:49:58.256511 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:49:58.497749 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:49:59.257411 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:49:59.498256 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:50:00.257712 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:00.498530 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:50:01.259205 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:01.499458 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:50:02.259715 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:02.499701 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:50:03.260102 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:03.500302 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:50:04.261139 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:04.501101 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:50:05.262698 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:05.501962 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:50:06.263961 IP 192.168.1.110 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:06.502962 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
192.168.1.110(centos7-01):
20:50:58.765166 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:58.984738 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:50:59.766464 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:50:59.985413 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:00.767135 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:00.985734 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:01.768713 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:01.986506 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:02.769970 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:02.986950 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:03.771075 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:03.987944 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:04.772196 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:04.988894 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:05.773516 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:05.989476 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:06.775016 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:06.990712 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:07.776373 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:07.991712 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:08.778009 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:08.992410 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
20:51:09.778840 IP centos7-01 > vrrp.mcast: VRRPv2, Advertisement, vrid 66, prio 100, authtype simple, intvl 1s, length 20
20:51:09.992503 IP 192.168.1.212 > vrrp.mcast: VRRPv2, Advertisement, vrid 65, prio 90, authtype simple, intvl 1s, length 20
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