产品做网站推广,微网站php源码,wordpress一键分享代码,在线妇科免费咨询OpenvSwitch VXLAN 隧道实验
最近在了解 openstack 网络#xff0c;下面基于ubuntu虚拟机安装OpenvSwitch#xff0c;测试vxlan的基本配置。
节点信息#xff1a;
主机名IP地址OS网卡node1192.168.95.11Ubuntu 22.04ens33node2192.168.95.12Ubuntu 22.04ens33
网卡信息下面基于ubuntu虚拟机安装OpenvSwitch测试vxlan的基本配置。
节点信息
主机名IP地址OS网卡node1192.168.95.11Ubuntu 22.04ens33node2192.168.95.12Ubuntu 22.04ens33
网卡信息
rootnode1:~# ip a
1: lo: LOOPBACK,UP,LOWER_UP mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet 127.0.0.1/8 scope host lovalid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever
2: ens33: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc fq_codel state UP group default qlen 1000link/ether 00:0c:29:0f:26:b9 brd ff:ff:ff:ff:ff:ffaltname enp2s1inet 192.168.95.11/24 brd 192.168.95.255 scope global ens33valid_lft forever preferred_lft foreverinet6 fe80::20c:29ff:fe0f:26b9/64 scope link 整体逻辑图如下
在两个节点部署OpenvSwitch通过vxlan隧道网络实现vm01和vm02的网络互通。
前置要求每个节点安装OpenvSwitch
apt update -y
apt install -y openvswitch-switch确认安装版本
rootnode1:~# ovs-vsctl --version
ovs-vsctl (Open vSwitch) 2.17.9
DB Schema 8.3.0节点1配置
创建虚拟机
创建网络地址空间ns0模拟出VM虚拟机
ip netns add ns0创建一对vethpair两个接口分别为veth0和veth1
ip link add veth0 type veth peer name veth1将veth0添加到ns0中
ip link set veth0 netns ns0为veth0配置IP地址
ip netns exec ns0 ip addr add 10.1.1.1/24 dev veth0
ip netns exec ns0 ip link set veth0 up
ip netns exec ns0 ip a建立vxlan隧道
创建vxlan网桥br-vxlan
ovs-vsctl add-br br-vxlan将veth1添加到br-vxlan网桥中
ovs-vsctl add-port br-vxlan veth1
ip link set veth1 up在br-vxlan网桥中创建本端vxlan端口vxlan1端口类型为vxlan配置远端IP为对端主机
ovs-vsctl add-port br-vxlan vxlan1 -- set interface vxlan1 typevxlan options:remote_ip192.168.95.12查看openvswitch 网桥端口
rootnode1:~# ovs-vsctl show
b3bb2f7f-6129-46d0-ab6c-806a9499e673Bridge br-vxlanPort br-vxlanInterface br-vxlantype: internalPort veth1Interface veth1Port vxlan1Interface vxlan1type: vxlanoptions: {remote_ip192.168.95.12}ovs_version: 2.17.9
rootnode1:~# ip a
1: lo: LOOPBACK,UP,LOWER_UP mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet 127.0.0.1/8 scope host lovalid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever
2: ens33: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc fq_codel state UP group default qlen 1000link/ether 00:0c:29:0f:26:b9 brd ff:ff:ff:ff:ff:ffaltname enp2s1inet 192.168.95.11/24 brd 192.168.95.255 scope global ens33valid_lft forever preferred_lft foreverinet6 fe80::20c:29ff:fe0f:26b9/64 scope link valid_lft forever preferred_lft forever
3: veth1if4: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc noqueue master ovs-system state UP group default qlen 1000link/ether 56:79:1f:8a:6d:46 brd ff:ff:ff:ff:ff:ff link-netns ns0inet6 fe80::5479:1fff:fe8a:6d46/64 scope link valid_lft forever preferred_lft forever
5: ovs-system: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN group default qlen 1000link/ether 0e:b0:e1:3a:de:4c brd ff:ff:ff:ff:ff:ff
6: br-vxlan: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN group default qlen 1000link/ether be:43:d3:bd:9a:41 brd ff:ff:ff:ff:ff:ff
7: vxlan_sys_4789: BROADCAST,MULTICAST,UP,LOWER_UP mtu 65000 qdisc noqueue master ovs-system state UNKNOWN group default qlen 1000link/ether de:3a:29:91:e1:4f brd ff:ff:ff:ff:ff:ffinet6 fe80::cc1b:89ff:fe76:e7f/64 scope link valid_lft forever preferred_lft forever节点2配置
创建虚拟机
创建网络地址空间ns0模拟出VM虚拟机
ip netns add ns0创建一对vethpair两个接口分别为veth0和veth1
ip link add veth0 type veth peer name veth1将veth0添加到ns0中
ip link set veth0 netns ns0为veth0配置IP地址
ip netns exec ns0 ip addr add 10.1.1.2/24 dev veth0
ip netns exec ns0 ip link set veth0 up
ip netns exec ns0 ip a建立vxlan隧道
创建vxlan网桥br-vxlan
ovs-vsctl add-br br-vxlan将veth1添加到br-vxlan网桥中
ovs-vsctl add-port br-vxlan veth1
ip link set veth1 up在br-vxlan网桥中创建本端vxlan端口vxlan1端口类型为vxlan配置远端IP为对端主机
ovs-vsctl add-port br-vxlan vxlan1 -- set interface vxlan1 typevxlan options:remote_ip192.168.95.11查看openvswitch 网桥端口
rootnode2:~# ovs-vsctl show
ca71335f-e4a9-4b07-9183-b4993a6864d4Bridge br-vxlanPort vxlan1Interface vxlan1type: vxlanoptions: {remote_ip192.168.95.11}Port br-vxlanInterface br-vxlantype: internalPort veth1Interface veth1ovs_version: 2.17.9
rootnode2:~# ip a
1: lo: LOOPBACK,UP,LOWER_UP mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00inet 127.0.0.1/8 scope host lovalid_lft forever preferred_lft foreverinet6 ::1/128 scope host valid_lft forever preferred_lft forever
2: ens33: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc fq_codel state UP group default qlen 1000link/ether 00:50:56:3a:b4:d8 brd ff:ff:ff:ff:ff:ffaltname enp2s1inet 192.168.95.12/24 brd 192.168.95.255 scope global ens33valid_lft forever preferred_lft foreverinet6 fe80::250:56ff:fe3a:b4d8/64 scope link valid_lft forever preferred_lft forever
3: veth1if4: BROADCAST,MULTICAST,UP,LOWER_UP mtu 1500 qdisc noqueue master ovs-system state UP group default qlen 1000link/ether 56:79:1f:8a:6d:46 brd ff:ff:ff:ff:ff:ff link-netns ns0inet6 fe80::5479:1fff:fe8a:6d46/64 scope link valid_lft forever preferred_lft forever
5: ovs-system: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN group default qlen 1000link/ether 0e:b0:e1:3a:de:4c brd ff:ff:ff:ff:ff:ff
6: br-vxlan: BROADCAST,MULTICAST mtu 1500 qdisc noop state DOWN group default qlen 1000link/ether b6:7c:80:cb:6e:45 brd ff:ff:ff:ff:ff:ff
7: vxlan_sys_4789: BROADCAST,MULTICAST,UP,LOWER_UP mtu 65000 qdisc noqueue master ovs-system state UNKNOWN group default qlen 1000link/ether de:3a:29:91:e1:4f brd ff:ff:ff:ff:ff:ffinet6 fe80::6c5c:7cff:fece:5a7/64 scope link valid_lft forever preferred_lft forever验证连通性
节点1连接节点2 VM
rootnode1:~# ip netns exec ns0 ping 10.1.1.2 -c 4
PING 10.1.1.2 (10.1.1.2) 56(84) bytes of data.
64 bytes from 10.1.1.2: icmp_seq1 ttl64 time0.543 ms
64 bytes from 10.1.1.2: icmp_seq2 ttl64 time0.737 ms
64 bytes from 10.1.1.2: icmp_seq3 ttl64 time0.640 ms
64 bytes from 10.1.1.2: icmp_seq4 ttl64 time2.20 ms--- 10.1.1.2 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3077ms
rtt min/avg/max/mdev 0.543/1.031/2.204/0.680 ms节点2连接节点1 VM
rootnode2:~# ip netns exec ns0 ping 10.1.1.1 -c 4
PING 10.1.1.1 (10.1.1.1) 56(84) bytes of data.
64 bytes from 10.1.1.1: icmp_seq1 ttl64 time1.21 ms
64 bytes from 10.1.1.1: icmp_seq2 ttl64 time0.642 ms
64 bytes from 10.1.1.1: icmp_seq3 ttl64 time0.557 ms
64 bytes from 10.1.1.1: icmp_seq4 ttl64 time0.589 ms--- 10.1.1.1 ping statistics ---
4 packets transmitted, 4 received, 0% packet loss, time 3027ms
rtt min/avg/max/mdev 0.557/0.749/1.211/0.268 ms参考https://www.cnblogs.com/Bozh/p/4838304.html
