Lvs-net Experiment

Lvs-net Experiment

Environment:

server:centos6.7; external network ip:172.16.34.1; intranet ip:192.168.74.129

rs1:centos7.2, intranet ip:192.168.74.2; Install Nginx service, monitor on port 80

rs2:centos7.2, intranet ip:192.168.74.3; Install httpd service, monitor on port 8080

Client: centos6.7,ip:172.16.34.3

Verify the RS with the IP address configured

[Email protected] html]# curlhttp://192.168.74.2rs1:192.168.74.2

[Email protected] html]# curlhttp://192.168.74.3:8080rs2:192.168.74.3

Define the Cluster service:

[[email protected] html]# ipvsadm-a-t 172.16.34.1:80-s RR

View the defined Cluster service

[Email protected] html]# ipvsadm-l-nip Virtual Server version 1.2.1 (size=4096) Prot localaddress:port Scheduler Flags- > Remoteaddress:port Forward Weight activeconn inactconntcp 172.16.34.1:80 RR

Add RS

[[email protected] html]# ipvsadm-a-t172.16.34.1:80-r 192.168.74.2:80-m (W can add weights, number of times using RR algorithm, weight meaningless) [[email protected] html]# ipvsadm-a-t172.16.34.1:80-r 192.168.74.3:8080-m

Check Again

[Email protected] html]# ipvsadm-l-nip Virtual Server version 1.2.1 (size=4096) Prot localaddress:port Scheduler Flags-             > Remoteaddress:port Forward Weight activeconn inactconntcp 172.16.34.1:80 rr--192.168.74.2:80 MASQ 1 0 0-192.168.74.3:8080 masq 1 0 0

Open the core forwarding feature of the server

[Email protected] html]# echo 1 >/proc/sys/net/ipv4/ip_forward

Validating on the client

[[email protected] ~]# Curl Http://172.16.34.1rs2:192.168.74.3[[email protected] ~]# Curl http://172.16.34.1RS1 : 192.168.74.2[[email protected] ~]# Curl Http://172.16.34.1rs2:192.168.74.3[[email protected] ~]# Curl/HTTP/ 172.16.34.1rs1:192.168.74.2

Modify the algorithm to WRR

Add weights

[Email protected]]# ipvsadm-e-t 172.16.34.1:80-r 192.168.74.3:8080-m-w2[[email protected]]# ipvsadm-e-t 172.16.34. 1:80-r 192.168.74.2:80-m-W1

Modify the algorithm

[Email protected]]# ipvsadm-e-T 172.16.34.1:80-s WRR

Verify

[Email protected] html]# ipvsadm-l-nip Virtual Server version 1.2.1 (size=4096) Prot localaddress:port Scheduler Flags-             > Remoteaddress:port Forward Weight activeconn inactconntcp 172.16.34.1:80 WRR-192.168.74.2:80 MASQ 1 0 0-192.168.74.3:8080 MASQ 2 0 0

[[email protected] ~]# for i in {1..10};d o curlhttp://172.16.34.1;doners1:192.168.74.2rs2:192.168.74.3rs2 : 192.168.74.3rs1:192.168.74.2rs2:192.168.74.3rs2:192.168.74.3rs1:192.168.74.2rs2:192.168.74.3rs2 : 192.168.74.3rs1:192.168.74.2

To display statistical data

[[Email protected] html]# ipvsadm -ln --statsip virtual server version  1.2.1  (size=4096) prot localaddress:port                Conns   InPkts OutPkts  InBytes  outbytes -> remoteaddress:porttcp 172.16.34.1:80                     32       187      116   15106    13674 - > 192.168.74.2:80                    13       77       48     6228     5616 -> 192.168.74.3:8080                  19       110       68    8878      8058

Display Rate

[[Email protected] html]# ipvsadm -ln --rateip virtual server version  1.2.1  (size=4096) prot localaddress:port                  CPS    InPPS  OutPPS     InBPS   OutBPS -> RemoteAddress:PortTCP 172.16.34.1:80                       0        0         0       0        0 ->  192.168.74.2:80                     0        0         0       0        0 ->  192.168.74.3:8080                   0        0         0       0        0

Lvs-net Experiment