keepalived-vrrp设置

keepalived环境准备

1.各节点时间必须同步

2.关闭selinux和防火墙

[root@localhost keepalived1]#yum install ipvsadm keepalived -y #安装软件主机1

[root@localhost keepalived1]# cat keepalived.conf

! Confilinux重启命令guration File for keepalived

global_defs {

notification_优先级反转email {

acassen@firewall.loc

failover@firewall.loc

sysadmin@firewall.loc

}

notification_email_f优先级队列rom Alexandre.Cassen@firewall.loc

smtp_seripad壁纸ver 192.168.200.1 #SMTP邮件服务

smtp_connect_timeout系统运维工程师 30

router_id LVS_DEVEL

vrrp_ski系统运维工程师p_check_adv_addr

vrrp_iptables #启用参数不生成防火墙规则

vrrp_strict

vrrp_garp_interval 0

vrrp_gn优先级调度a_interval 0

}

vrrp_instance VIP1 {

state MASTER #ipad主服务器

interface ens192 #网卡接口

virtulinux常用命令al_router_id 51优先级是什么意思 #路由id

priority 100 #优先级

advert_int 1 #检测时linux重启命令间1s

authentication {

auth_type PASS

auth_pass 1111

}

virtual_ipaddress {

172.16.116.99 dev ens192 label ens192:0 #vip设置

}优先级c语言

}

[root@localhost keepalived2]#yum inslinux创建文件tall ipv优先级c语言sadm kee优先级palived -y #安装主机2

[root@localhost keepalived]# cat keepalived.confipad5

! Configuration File for keepalived

global_defs {

notification_email {

acassen@firewall.loc

failover@firewall.loc

sysadmin@firewall.loc

}

notification优先级越小越优先吗_email_from Alexandre.Cassen@firewall.loc

smtp_slinux操作系统基础知识erver优先级队列 192.168.200.1

slinux重启命令mtp_connect_timeout 30

router_id LVS_DEVEL

vrrp_skip_check_adv_addr

vrrp_iptableslinux #启用参数不生成防火墙规则

vrrp_strict

vrrp_garp_interlinux系统安装val优先级最高的运算符 0

vrrp_gna_interval 0

}

vrrp_instipad5ance VIP1 {

state BACKUP #备用模式

interface ens192

virtual_router_id 51 #路由id

priority 90 #系统运维面试题及答案优先级90

adveripad怎么分屏t_int 1 #检测时间1s

authenticatilinux重启命令on {

auth_type PASS

auth_pass 1111

}

virtual_ipaddress {

172.1ipad20206.116.99 dev优先级调度 ens19优先级队列2 label ens192:0

}

}

#注意配置完成后验证配置信息

#systemctl stop keepalived #停服务,确认两台主机之间vip会发生漂移吗?

#优先级排序ip add

[root@localhost keepalived]# ip add #确认vip信息

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000

link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00

inet 127.0.0.1/8 scope h优先级c语言ost lo

valid_lft forever preferr系统运维包括哪些内容ed_lft forever

inet6 ::1/128 scope host

valid_lft forever preferred_lft forever

2: ens192: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc mq sta优先级队列te UP group default qllinux系统en 1000

link/ether 00:50:56:95:系统运维工程师c0:20 brd ffipadmini6:ff:f优先级越小越优先吗f:ff:ff:ff

inet 172.16.116.91/24 brd 172.16.116.255 scope global noprefixroute ens192

valid_lft forever preferred_lft forever

inet 172.16.116.99/32 scop系统运维工作内容e global ens192:0

valid_lft forever preferred_lft forever

inet6 fe80::8f54:3d46:7596:9ff2/64 scope lilinux操作系统基础知识nk noprefixroute

valid_lft forever prelinux创建文件ferred_lft forever

[root@localhost2 ~]# tail -linuxf /var/log/messages #查看日志信息,确认

Jan 17 22:21:28 lo系统运维工程师calhost Keepalived_vrrp[30326]: Sending gratuitipadous ARP on ens192 for系统运维工作内容 172.16.116.99

Jan 17 22:21:28 localipadmini6host Keepalived_vripadmini6rp[30326]: Sending gratuitous ARP on ens192 for 172.16.116.99

Jan 17 22:21:28 localhost Keepalived系统运维工作内容_vrrp[30326]: Sending gratuitous ARP on ens192 for 172.16.116.99

Jan 17 22:21:28 localhost Keepaliveipad8dlinux系统_vrrp[30326]: Senlinux操作系统基础知识ding gratuitous ARP on ens192 for 172.16.116.99

Jan 17 22:22:12 localhost systemd-logind: New session 13 of us系统运维工作内容er root.

Jan 17 22:22:12 localhost systemd: Started Sess优先级最高的运算符ion 13 of user root.

Jan 17 22:22:34 localhost Keepalived_vrrp[30326]: VRRP_Instance(VIP1) Received advert with higher priority 100,系统运维工资一般多少 ours 90

Jan 17 22:22:34 localhost Keepalived_vrrp[30326]: VRRP_Instance(VIP1) Entering BACKUP STATE

Jlinux操作系统基础知识an 17 22:22:34优先级 localhost Keepalived_vrrp[30326]: VRRPipad官网_Instance(VIP1) removing protocol VIPs.

Jan 17 22:22:34 localhost Keepalived_vrrp[30326]: VRRP_Inst优先级队列ance(Vipad5IP1) removing protocol i优先级反转ptable drop rule

Jan 17 22:23:06 localhost Keepalived_vrrp[30326]: VRRP_Instance(VIP1) Transition to MASTER STATE

Jan 17 22:23:07 localhost Keepalived_vrrp[30326]: VRRP_Instance(VIP1) Entering优先级 MASTER STATE

Jan 17 22:23:07 localh优先级是什么意思ost Keepalived_vrrp[30326]: VRRP_Instalinux系统nce(VIP1) setting protocol iptable drop rule

Jan 17 22:ipad202023:07 localhost Keepalived_vrrp[30326]: VRRP_Instance(VIP1ipad8) setting protocol VIPs.

Jan 17 22:23:07 lolinux是什么操作系统calhost Keepalived_vrrp[30326]: Sending gratuitous ARP on ens192 for 172.16.116.99

Jan 17 22:23:07 localhost Keepalived_vrrp[30326]: VRRP_优先级调度Instance(Vlinux必学的60个命令IP1) Sending/queueing gratuitous ARPs on ens192 for 17系统运维工程师面试问题及答案2.16.116.99

Jan 17 22:23:07 localhost Keepalived_vrrp[30326]: Sending gratuitous ARP on ens192 for 172.16.1linux创建文件16.99

Jan 17 22:23:优先级调度07 localhost Keepalived_vrrp[30326]: Sending gratuitous AR优先级是什么意思P on ens192 for 172.16.116.99

Jan 17 22:23:07 localhost Keepalived_vrrp[30326]: Sending gratuitous ARP on ens192 for 172.16.116.99

Jan 17 22:linux系统安装23:07 localhost Keepalived_vrrp[30326]: Sending gratu优先级英文itous ARP on ens192 f优先级越小越优先吗or 172.16.116.99

Jan 17 22:23:12 localhost Keepalivipaded_vrrp[30326]: Sending gratuitous ARP on ens192 for 172.16.116.99

Jan 17 22:23:12 localhost Keepalived_v优先级队列rrp[30326]: VRRP_Instance(VIP1) Sending/queueing gratuitous ARPs on ens192 for 172.16.116.99

Jan 17 22:23:12 localhost Keepalived_vrrp[30326]: Sending gratuitous ARP on en优先级排序s192 for 172.16.116.99

Jan 17 22:23:12 localhost Keepalived_vrrp[30326]: Sending gratuitouslinux系统安装 ARP onlinux操作系统基础知识 ens系统运维面试题及答案192 for 172.16.116.99

Jan 17 22:23:12 localhost Keepalived_vrrp[30326]: Sending gratuitous A系统运维包括哪些内容RP on ens192 for 172.16.116.99

Jan 1优先级队列7 22:23:12 localhost Keepalived_vrrp[30326]: Sending grlinuxa优先级反转tuitous ARP on ens192 for 172.16.116.99

Jaipad壁纸n 17 22:24:04 localhost Keepalived_vrrp[30326]: VRRP_Instance(VIP1) Received advert with higher priority 100, ours 90

Jan 17 22:24:04 localhost Keepalived_vrrp[30326]: VRRP_I优先级nstan系统运维工程师clinux删除文件命令e(VIP1) Entering BACKUP STAT优先级队列E

Janlinux是什么操作系统 17 2ipad2:24:04 localhost Keepalived_vrrp[30326]: VRRlinux系统P_Instance(VIP1) removing protocol VIPs.

Jan 17 22:24:04 localhost Keepalived_vrrp[30326]: VRRP_Instance(VIP1) removing protocol iptlinux系统able drop rule

#root@lipad2020ocalh优先级调度ost keepalived]# iptables -n系统运维工资一般多少vL INPUT #如果生成iptables规则,需要删除它

Chain INP优先级越小越优先吗Ulinux常用命令T (policy ACCEPT 822 packets, 59631 byipad官网tes)

pkts bytes target prot opt in out sourcipad4e destination

0 0 ACCEPT udp -- virbr0 * 0.0.0.0/系统运维工资一般多少0 0.0.0.0/linux系统安装0 udp dpt:53

0 0 ACCEPT tcp -- virbr0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:53

0 0 ACCEPT udp -- virbr0 * 0.0.0.0/0 0.0.0.0/0 udp dpt:67

0 0 ACCEPT tcp -- virbr0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:67

0 0 DROP alipad5l -- *系统运维工程师面试问题及答案 * 0.0.0.0/0 0.0.0.0/0 match-set keepalived d优先级是什么意思st

[root@localhost keepalived]# iptables -t filter -D INPUT 5 #删除生成INPUT系统运维工作内容规则 ,不然到vip的所有包都会丢掉

[root@localhost keepalived]# iptables -nvL INPUT

Chain INPUT系统运维工作内容 (policy ACCEPT 6 packets, 396 bipad怎么分屏ytes)

pkts bytes target prot opt in out source destination

0 0 ACCEPT udp -- vir优先级排序br0 * 0.0.0.0/0 0.0.0.0/0 udp dptlinux:53

0 0 ACCEPT tcp -- virbr0 * 0.linux操作系统基础知识0.0.0/0 0.0.0.0/0 tcp dpt:53

0 0 ACCEP优先级排序T udp -- virbr0 * 0.0.0.0/0 0.0.0.0/0 udp dpt:67

0 0 ACCEPT tcp -- virbr0 * 0.0.0.0/0 0.0.0.0/0 tcp dpt:67