{"id":621,"date":"2022-09-05T23:19:51","date_gmt":"2022-09-05T15:19:51","guid":{"rendered":"https:\/\/frogvps.com\/?p=621"},"modified":"2022-09-05T23:19:52","modified_gmt":"2022-09-05T15:19:52","slug":"keepalived%e6%90%ad%e5%bb%balvs%e9%ab%98%e5%8f%af%e7%94%a8%e9%9b%86%e7%be%a4","status":"publish","type":"post","link":"https:\/\/frogvps.com\/?p=621","title":{"rendered":"Keepalived\u642d\u5efaLVS\u9ad8\u53ef\u7528\u96c6\u7fa4"},"content":{"rendered":"\n

Keepalived\u53ef\u4ee5\u914d\u5408LVS\u4f7f\u7528\uff0c\u89e3\u51b3LVS\u5355\u70b9\u5931\u8d25\u548c\u540e\u7aef\u670d\u52a1\u5668\u5065\u5eb7\u6027\u68c0\u6d4b\u7684\u95ee\u9898\u3002<\/p>\n\n\n\n

\"\"
\u865a\u62df\u673a\u67b6\u6784\u56fe<\/figcaption><\/figure>\n\n\n\n
\n\n\n\n

\u73af\u5883\u51c6\u5907<\/h2>\n\n\n\n

\u5ba2\u6237\u7aef<\/p>\n\n\n\n

eth0: \u4ec5\u4e3b\u673a 192.168.10.6\/24 GW:192.168.10.200<\/code><\/pre>\n\n\n\n
\u8def\u7531\u5668<\/p>\n\n\n\n
eth0: NAT 10.0.0.200\/24
eth1: \u4ec5\u4e3b\u673a 192.168.10.200\/24
\u542f\u7528 IP_FORWARD<\/code><\/pre>\n\n\n\n
\u4e24\u53f0LVS+Keepalived<\/p>\n\n\n\n
Master eth0: 10.0.0.8 vip: 10.0.0.10\/32
Backup eth0: 10.0.0.18<\/code><\/pre>\n\n\n\n
\u4e24\u53f0\u540e\u7aef\u670d\u52a1\u5668<\/p>\n\n\n\n
RS1 eth0: 10.0.0.7
RS2 eth0: 10.0.0.17<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u670d\u52a1\u914d\u7f6e<\/h2>\n\n\n\n
LVS-Master<\/strong><\/p>\n\n\n\n
\u5b89\u88c5keepalived<\/p>\n\n\n\n
yum -y install keepalived<\/code><\/pre>\n\n\n\n
\u5907\u4efd\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n
cp \/etc\/keepalived\/keepalived.conf{,.bak} <\/code><\/pre>\n\n\n\n
\u7f16\u8f91\u914d\u7f6e\u6587\u4ef6<\/p>\n\n\n\n
vim \/etc\/keepalived\/keepalived.conf<\/code><\/pre>\n\n\n\n
keepalived.conf<\/p>\n\n\n\n
\u9ed8\u8ba4\u7ec4\u64adIP\uff1a224.0.0.18<\/p>\n\n\n\n
! Configuration File for keepalived
\u200b
global_defs {
   notification_email {
     root@localhost
   }   
   notification_email_from keepalived@localhost
   smtp_server 127.0.0.1
   smtp_connect_timeout 30
   router_id ka1 
   vrrp_skip_check_adv_addr
   vrrp_garp_interval 0
   vrrp_gna_interval 0
}
\u200b
vrrp_instance VI_1 {
    state MASTER
    interface eth0
    virtual_router_id 88
    priority 100 
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }   
    virtual_ipaddress {
        10.0.0.10 dev eth0 label eth0:0
    }   
}
\u200b
virtual_server 10.0.0.10 80 {
  delay_loop 3
  lb_algo rr
  lb_kind DR
  protocol TCP 
  real_server 10.0.0.7 80 {
    weight 1
    HTTP_GET { 
      url {
        path \/
        status_code 200 
      }   
  connect_timeout 1
  nb_get_retry 3
  delay_before_retry 1
}
}
  real_server 10.0.0.17 80 {
    weight 1
    TCP_CHECK {
      connect_timeout 5
      nb_get_retry 3
      delay_before_retry 3
      connect_port 80
}
}
}<\/code><\/pre>\n\n\n\n
\u91cd\u542fkeepalived\u670d\u52a1<\/p>\n\n\n\n
systemctl restart keepalived<\/code><\/pre>\n\n\n\n
\u67e5\u770bLVS\u89c4\u5219\u662f\u5426\u5df2\u7ecf\u81ea\u52a8\u751f\u6210<\/p>\n\n\n\n
ipvsadm -Ln<\/code><\/pre>\n\n\n\n
LVS-Backup<\/strong><\/p>\n\n\n\n
\u5b89\u88c5keeplived\u65b9\u6cd5\u540c\u4e0a<\/p>\n\n\n\n
\/etc\/keepalived\/keepalived.conf<\/p>\n\n\n\n
global_defs {
   notification_email {
    root@localhost
   }   
   notification_email_from keepalived@localhost
   smtp_server 127.0.0.1
   smtp_connect_timeout 30
   router_id ka2
   vrrp_skip_check_adv_addr
   vrrp_garp_interval 0
   vrrp_gna_interval 0
}
\u200b
vrrp_instance VI_1 {
    state BACKUP
    interface eth0
    virtual_router_id 88
    priority 80
    advert_int 1
    authentication {
        auth_type PASS
        auth_pass 1111
    }   
    virtual_ipaddress {
        10.0.0.10 dev eth0 label eth0:0
    }   
}
virtual_server 10.0.0.10 80 {
  delay_loop 3
  lb_algo rr
  lb_kind DR
  protocol TCP 
  real_server 10.0.0.7 80 {
    weight 1
    HTTP_GET { 
      url {
        path \/
        status_code 200 
      }   
  connect_timeout 1
  nb_get_retry 3
  delay_before_retry 1
}
}
  real_server 10.0.0.17 80 {
    weight 1
    TCP_CHECK {
      connect_timeout 5
      nb_get_retry 3
      delay_before_retry 3
      connect_port 80
}
}
}<\/code><\/pre>\n\n\n\n
\u91cd\u542fkeepalived\u670d\u52a1<\/p>\n\n\n\n
systemctl restart keepalived<\/code><\/pre>\n\n\n\n
\u67e5\u770bLVS\u89c4\u5219\u662f\u5426\u5df2\u7ecf\u81ea\u52a8\u751f\u6210<\/p>\n\n\n\n
ipvsadm -Ln<\/code><\/pre>\n\n\n\n
\u540e\u7aefRS1<\/strong><\/p>\n\n\n\n
\u4f7f\u7528\u811a\u672c\u7ed1\u5b9aVIP\u81f3web\u670d\u52a1\u5668lo\u7f51\u5361<\/p>\n\n\n\n
lvs_dr_rs.sh<\/p>\n\n\n\n
#!\/bin\/bash
#Author: qinwa
vip=10.0.0.10
mask=255.255.255.255
dev=lo:1
case $1 in
start)
echo 1 > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_ignore
echo 1 > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_ignore
echo 2 > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_announce
echo 2 > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_announce
ifconfig $dev $vip netmask $mask
echo \"The RS Server is Ready!\"
;;
stop)
ifconfig $dev down
echo 0 > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_ignore
echo 0 > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_ignore
echo 0 > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_announce
echo 0 > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_announce
echo \"The RS Server is Canceled!\"
;;
*)
echo \"Usage: $(basename $0) start|stop\"
exit 1
;;
esac<\/code><\/pre>\n\n\n\n
\u542f\u52a8\u811a\u672c<\/p>\n\n\n\n
bash lvs_dr_rs.sh start<\/code><\/pre>\n\n\n\n
\u914d\u7f6ehttpd<\/p>\n\n\n\n
yum -y install httpd
echo rs1 10.0.0.7 >\/var\/www\/html\/index.html 
systemctl start httpd<\/code><\/pre>\n\n\n\n
\u540e\u7aefRS2<\/strong><\/p>\n\n\n\n
\u4f7f\u7528\u811a\u672c\u7ed1\u5b9aVIP\u81f3web\u670d\u52a1\u5668lo\u7f51\u5361<\/p>\n\n\n\n
lvs_dr_rs.sh<\/p>\n\n\n\n
#!\/bin\/bash
#Author: qinwa
vip=10.0.0.10
mask=255.255.255.255
dev=lo:1
case $1 in
start)
echo 1 > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_ignore
echo 1 > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_ignore
echo 2 > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_announce
echo 2 > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_announce
ifconfig $dev $vip netmask $mask
echo \"The RS Server is Ready!\"
;;
stop)
ifconfig $dev down
echo 0 > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_ignore
echo 0 > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_ignore
echo 0 > \/proc\/sys\/net\/ipv4\/conf\/all\/arp_announce
echo 0 > \/proc\/sys\/net\/ipv4\/conf\/lo\/arp_announce
echo \"The RS Server is Canceled!\"
;;
*)
echo \"Usage: $(basename $0) start|stop\"
exit 1
;;
esac<\/code><\/pre>\n\n\n\n
\u542f\u52a8\u811a\u672c<\/p>\n\n\n\n
bash lvs_dr_rs.sh start<\/code><\/pre>\n\n\n\n
\u914d\u7f6ehttpd<\/p>\n\n\n\n
yum -y install httpd
echo rs1 10.0.0.17 >\/var\/www\/html\/index.html 
systemctl start httpd<\/code><\/pre>\n\n\n\n
\n\n\n\n
\u8bbf\u95ee\u6d4b\u8bd5<\/h2>\n\n\n\n
\u5728LVS\u7684Master\u8282\u70b9\u7528 ip -a \u53ef\u4ee5\u770b\u5230VIP\u662f\u98d8\u5728\u4e3b\u8282\u70b9\u4e0a\u7684\uff08\u56e0\u4e3a\u5b83\u7684\u4f18\u5148\u7ea7\u9ad8\uff09<\/p>\n\n\n\n
\"\"
KA1<\/figcaption><\/figure>\n\n\n\n
\u5728\u5ba2\u6237\u7aef\u8bbf\u95eeVIP\u770b\u5230\u4e5f\u662f\u6b63\u5e38\u8f6e\u8be2\u7684<\/p>\n\n\n\n
\"\"
\u7528curl\u547d\u4ee4\u8bbf\u95eeVIP<\/figcaption><\/figure>\n\n\n\n
\u5728\u8def\u7531\u5668\u6293\u5305\u89c2\u5bdf\uff0c\u53ef\u4ee5\u770b\u5230\u4e3b\u8282\u70b9\u5728\u53d1\u901a\u544a\uff0c\u5ba3\u544a\u81ea\u5df1\u7684\u4f18\u5148\u7ea7<\/p>\n\n\n\n
tcpdump -i eth0 -nn host 224.0.0.18<\/code><\/pre>\n\n\n\n
\"\"<\/figure>\n\n\n\n
\u8fd9\u4e2a\u65f6\u5019\u628a\u4e3b\u8282\u70b9\uff0810.0.0.8\uff09\u7684keepalived\u670d\u52a1\u505c\u6b62\uff0c\u53ef\u4ee5\u770b\u5230\u4ece\u8282\u70b9\u628aVIP\u62a2\u8fc7\u6765\u4e86<\/p>\n\n\n\n
\"\"
\u4ece\u8282\u70b9\u5f97\u5230\u4e86VIP<\/figcaption><\/figure>\n\n\n\n
\u518d\u8bbf\u95eeVIP\uff0c\u53ef\u4ee5\u770b\u5230\u5373\u4f7f\u6302\u6389\u4e00\u53f0LVS\u7f51\u9875\u8fd8\u662f\u80fd\u6b63\u5e38\u8bbf\u95ee\u7684\uff0c\u8fd9\u6837\u5c31\u5b9e\u73b0\u4e86\u9ad8\u53ef\u7528\u4e86\u3002<\/p>\n\n\n\n
\"\"<\/figure>\n","protected":false},"excerpt":{"rendered":"
Keepalived\u53ef\u4ee5\u914d\u5408LVS\u4f7f\u7528\uff0c\u89e3\u51b3LVS\u5355\u70b9\u5931\u8d25\u548c\u540e\u7aef\u670d\u52a1\u5668\u5065\u5eb7\u6027\u68c0\u6d4b\u7684\u95ee\u9898\u3002 \u73af\u5883\u51c6\u5907 \u5ba2\u6237\u7aef \u8def\u7531\u5668 \u4e24\u53f0LVS+Keepalived \u4e24\u53f0\u540e\u7aef\u670d\u52a1\u5668 \u670d\u52a1\u914d\u7f6e LVS-Master \u5b89\u88c5keepalived \u5907\u4efd\u914d\u7f6e\u6587\u4ef6 \u7f16…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[7],"tags":[23,46,19,22],"topic":[],"class_list":["post-621","post","type-post","status-publish","format-standard","hentry","category-linux","tag-keepalived","tag-lvs","tag-19","tag-22"],"_links":{"self":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/621","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=621"}],"version-history":[{"count":3,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/621\/revisions"}],"predecessor-version":[{"id":630,"href":"https:\/\/frogvps.com\/index.php?rest_route=\/wp\/v2\/posts\/621\/revisions\/630"}],"wp:attachment":[{"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=621"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=621"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=621"},{"taxonomy":"topic","embeddable":true,"href":"https:\/\/frogvps.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftopic&post=621"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}