https://github.com/dyrnq/ipvs-vagrant
this is a test ipvs(NAT) Vagrantfile
https://github.com/dyrnq/ipvs-vagrant
ipvs ipvs-nat ipvsadm lvs nat vagrantfile virtualbox
Last synced: 7 months ago
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this is a test ipvs(NAT) Vagrantfile
- Host: GitHub
- URL: https://github.com/dyrnq/ipvs-vagrant
- Owner: dyrnq
- Created: 2021-07-07T10:07:34.000Z (over 4 years ago)
- Default Branch: main
- Last Pushed: 2024-12-24T07:02:45.000Z (10 months ago)
- Last Synced: 2024-12-24T08:19:00.108Z (10 months ago)
- Topics: ipvs, ipvs-nat, ipvsadm, lvs, nat, vagrantfile, virtualbox
- Homepage:
- Size: 28.3 KB
- Stars: 0
- Watchers: 1
- Forks: 2
- Open Issues: 2
-
Metadata Files:
- Readme: README.md
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README
# ipvs-vagrant
this is a test ipvs(NAT) Vagrantfile.
## vm
| vm | role | ip |
|-----|--------------|--------------------------------------------------------|
| lb0 | LVS director | 192.168.66.11(DIP)、192.168.55.11（external interface) |
| lb1 | LVS director | 192.168.66.12(DIP)、192.168.55.12（external interface) |
| - | VIP | 192.168.55.100 |
| rs0 | RealServer | 192.168.66.111(RIP) |
| rs1 | RealServer | 192.168.66.112(RIP) |
| cl0 | Client | 192.168.55.200 |
## start
```bash
vagrant up lb0 lb1 && vagrant reload lb0 lb1
vagrant up rs0 rs1
vagrant up cl0
```
### lb0 interface
```bash
vagrant@lb0:~$ ip a
1: lo: 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 host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp0s3: mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 02:56:36:6f:95:58 brd ff:ff:ff:ff:ff:ff
inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic enp0s3
valid_lft 85750sec preferred_lft 85750sec
inet6 fe80::56:36ff:fe6f:9558/64 scope link
valid_lft forever preferred_lft forever
3: enp0s8: mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 08:00:27:90:fd:43 brd ff:ff:ff:ff:ff:ff
inet 192.168.66.11/24 brd 192.168.66.255 scope global enp0s8
valid_lft forever preferred_lft forever
inet 192.168.66.100/32 scope global enp0s8
valid_lft forever preferred_lft forever
inet 192.168.55.100/32 scope global enp0s8
valid_lft forever preferred_lft forever
inet6 fe80::a00:27ff:fe90:fd43/64 scope link
valid_lft forever preferred_lft forever
4: enp0s9: mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 08:00:27:9c:bb:05 brd ff:ff:ff:ff:ff:ff
inet 192.168.55.11/24 brd 192.168.55.255 scope global enp0s9
valid_lft forever preferred_lft forever
inet6 fe80::a00:27ff:fe9c:bb05/64 scope link
valid_lft forever preferred_lft forever
```
```bash
root@lb0:~# ipvsadm -L -n
IP Virtual Server version 1.2.1 (size=4096)
Prot LocalAddress:Port Scheduler Flags
-> RemoteAddress:Port Forward Weight ActiveConn InActConn
TCP 192.168.55.100:80 wrr
-> 192.168.66.111:80 Masq 100 0 0
-> 192.168.66.112:80 Masq 100 0 0
```
### rs0 interface
```bash
vagrant@rs0:~$ ip a
1: lo: 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 host lo
valid_lft forever preferred_lft forever
inet6 ::1/128 scope host
valid_lft forever preferred_lft forever
2: enp0s3: mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 02:56:36:6f:95:58 brd ff:ff:ff:ff:ff:ff
inet 10.0.2.15/24 brd 10.0.2.255 scope global dynamic enp0s3
valid_lft 83646sec preferred_lft 83646sec
inet6 fe80::56:36ff:fe6f:9558/64 scope link
valid_lft forever preferred_lft forever
3: enp0s8: mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 08:00:27:05:30:c1 brd ff:ff:ff:ff:ff:ff
inet 192.168.66.111/24 brd 192.168.66.255 scope global enp0s8
valid_lft forever preferred_lft forever
inet6 fe80::a00:27ff:fe05:30c1/64 scope link
valid_lft forever preferred_lft forever
```
```bash
vagrant@rs0:~$ route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 192.168.66.100 0.0.0.0 UG 0 0 0 enp0s8
0.0.0.0 10.0.2.2 0.0.0.0 UG 100 0 0 enp0s3
10.0.2.0 0.0.0.0 255.255.255.0 U 0 0 0 enp0s3
10.0.2.2 0.0.0.0 255.255.255.255 UH 100 0 0 enp0s3
192.168.66.0 0.0.0.0 255.255.255.0 U 0 0 0 enp0s8
```
### cl0
```bash
vagrant@cl0:~$ curl http://192.168.55.100
rs0
vagrant@cl0:~$ curl http://192.168.55.100
rs1
vagrant@cl0:~$ curl http://192.168.55.100
rs0
vagrant@cl0:~$ curl http://192.168.55.100
rs1
vagrant@cl0:~$ curl http://192.168.55.100
rs0
vagrant@cl0:~$ curl http://192.168.55.100
rs1
```
```bash
vagrant halt rs1
```
```bash
vagrant@cl0:~$ curl http://192.168.55.100
rs0
vagrant@cl0:~$ curl http://192.168.55.100
rs0
vagrant@cl0:~$ curl http://192.168.55.100
rs0
```
```bash
## compulsively --provision for `route add default gw `
vagrant up rs1 --provision
```
## ref
- [LVS+Iptables实现FULLNAT及原理分析](https://blog.dianduidian.com/post/lvs-snat%E5%8E%9F%E7%90%86%E5%88%86%E6%9E%90/)
- [LVS-NAT 原理介绍和配置实践](https://wsgzao.github.io/post/lvs-nat/)
- [lvs负载均衡-NAT与DR模型原理介绍](https://www.guaosi.com/2020/01/22/lvs-introduction-to-the-principle-of-NAT-and-DR-model/)
- [LVS NAT](http://soft.dog/2018/06/04/lvs-nat/)