{"id":486,"title":"\u5b9e\u6218\uff1alvs(DR\u6a21\u5f0f)+Keepalived+nginx\u642d\u5efa\u9ad8\u53ef\u7528\u96c6\u7fa42","good":0,"bad":0,"hit":2088,"created_at":"2020-06-08 16:43:32","content":"

\u5728192.168.1.200\u8fd9\u53f0\u4e0a\u6267\u884c\uff1a<\/p>

yum install ipvsadm<\/p>

<\/p>

\u7ee7\u7eed\u6267\u884c\uff08\u975e#\u5f00\u5934\u7684\uff09\uff1a\u4ee5\u4e0b\u914d\u7f6e\u670d\u52a1\u5668\u91cd\u542f\u540e\u4f1a\u5931\u6548\uff0c\u53ef\u4ee5\u505a\u6210\u5f00\u673a\u542f\u52a8\u81ea\u52a8\u6267\u884c<\/p>

#\u8bbe\u7f6e\u8d1f\u8f7d\u5747\u8861\uff1a-p\uff1a5\u79d2\u5931\u6548\uff0c\u9ed8\u8ba4300\u79d2\uff0c\u540c\u4e00\u4e2a\u7528\u6237\u7684\u8bf7\u6c42\u4f1a\u53d1\u9001\u5230\u4e0a\u6b21\u8bbf\u95ee\u7684\u4e3b\u673a\u4e0a\uff0c-s rr\u8868\u793a\u8f6e\u5faa<\/p>

ipvsadm -A -t 192.168.1.150:80 -s rr -p 5<\/p>

#\u4fee\u6539\u914d\u7f6e<\/p>

#ipvsadm -E -t 192.168.1.150:80 -s rr -p 5<\/p>

ipvsadm -a -t 192.168.1.150:80 -r 192.168.1.210:80 -g <\/p>

ipvsadm -a -t 192.168.1.150:80 -r 192.168.1.220:80 -g<\/p>

#\u8bbe\u7f6etcp tcpfin udp\u8d85\u65f6\u65f6\u95f4<\/p>

#\u5173\u4e8e-p\u53ca--set\u53c2\u6570\u7684\u89e3\u91ca\uff1a<\/p>

#https:\/\/blog.csdn.net\/weixin_33895604\/article\/details\/89759629<\/a><\/p>

ipvsadm --set 1 1 1<\/p>

ipvsadm -S<\/p>

<\/p>

\u5728210\uff0c220\u4e0a\u6267\u884c\uff1a<\/p>

vim \/etc\/sysctl.conf<\/p>

\u672b\u5c3e\u6dfb\u52a0\uff1a<\/p>

net.ipv4.conf.all.arp_ignore = 1 <\/p>

net.ipv4.conf.default.arp_ignore = 1 <\/p>

net.ipv4.conf.lo.arp_ignore = 1 <\/p>

 net.ipv4.conf.all.arp_announce = 2 <\/p>

net.ipv4.conf.default.arp_announce = 2 <\/p>

net.ipv4.conf.lo.arp_announce = 2<\/p>

\u4fdd\u5b58\uff0c\u6267\u884c\uff1asysctl -p<\/p>

\u518d\u6267\u884c\uff1aroute add -host 192.168.1.150 dev lo:1<\/p>

\u4e3a\u4e86\u9632\u6b62\u91cd\u542f\u540e\u5931\u6548\uff0c\u6267\u884c\uff1a<\/p>

echo "route add -host 192.168.1.150 dev lo:1" >> \/etc\/rc.local<\/p>

<\/p>

\u5982\u679c\u6210\u529f\u7684\u8bdd\u5237\u65b0\u7f51\u9875\u4f1a\u770b\u5230\u8bf7\u6c42\u57282\u53f0\u673a\u5668\u4e0a\u8f6e\u5faa<\/p>

\"image.png\"\/<\/p>

\"image.png\"\/<\/p>

<\/p>

\u9644\uff1a\u4fdd\u5b58\u4e0a\u8ff0\u914d\u7f6e\u5e76\u5f00\u673a\u52a0\u8f7d\u7684\u65b9\u6cd5\uff0c\u5728200\u8fd9\u53f0\u673a\u5668\u4e0a\u6267\u884c<\/p>

ipvsadm --save > ipvsadm.conf<\/p>

\u5728\/etc\/rc.d\/rc.local\u4e2d\u52a0\u5165<\/p>

ipvsadm --restore < \/root\/ipvsadm.conf<\/p>

<\/p>

\u67e5\u770b\u96c6\u7fa4\u5217\u8868\uff1aipvsadm -Ln<\/p>

\u67e5\u770b\u96c6\u7fa4\u72b6\u6001\uff1a<\/span>ipvsadm -Ln --stats<\/span><\/p>

# \u91cd\u542fipvsadm\uff0c\u91cd\u542f\u540e\u9700\u8981\u91cd\u65b0\u914d\u7f6e    <\/p>

service ipvsadm restart    <\/p>

# \u67e5\u770b\u6301\u4e45\u5316\u8fde\u63a5    <\/p>

ipvsadm -Ln --persistent-conn    <\/p>

# \u67e5\u770b\u8fde\u63a5\u8bf7\u6c42\u8fc7\u671f\u65f6\u95f4\u4ee5\u53ca\u8bf7\u6c42\u6e90ip\u548c\u76ee\u6807ip    <\/p>

ipvsadm -Lnc        <\/p>

# \u8bbe\u7f6etcp tcpfin udp \u7684\u8fc7\u671f\u65f6\u95f4\uff08\u4e00\u822c\u4fdd\u6301\u9ed8\u8ba4\uff09    <\/p>

ipvsadm --set 1 1 1    <\/p>

# \u67e5\u770b\u8fc7\u671f\u65f6\u95f4    ipvsadm -Ln --timeout<\/p>

<\/p>"}