VXLAN(Virtual eXtensible Local Area Network,虚拟扩展局域网)是一种网络虚拟化技术,可以改进大型云计算在部署时的扩展问题,是对 VLAN 的一种扩展。VXLAN 是一种功能强大的工具,可以穿透三层网络对二层进行扩展。它可通过封装流量并将其扩展到第三层网关,以此来解决 VMS(虚拟内存系统)的可移植性限制,使其可以访问在外部 IP 子网上的服务器。
[Huawei]vlan 10 [Huawei-vlan2]vlan 20 [Huawei-vlan20]qu [Huawei]interface g0/0/1 [Huawei-GigabitEthernet0/0/1]port link-type trunk [Huawei-GigabitEthernet0/0/1]port trunk allow-pass vlan all [Huawei-GigabitEthernet0/0/1]qu [Huawei]interface g0/0/2 [Huawei-GigabitEthernet0/0/2]port link-type access [Huawei-GigabitEthernet0/0/2]port default vlan 10 [Huawei-GigabitEthernet0/0/2]interface g0/0/3 [Huawei-GigabitEthernet0/0/3]port link-type access [Huawei-GigabitEthernet0/0/3]port default vlan 20 [Huawei]vlan batch 10 20 [Huawei]interface g0/0/1 [Huawei-GigabitEthernet0/0/1]port link-type trunk [Huawei-GigabitEthernet0/0/1]port trunk allow-pass vlan all [Huawei-GigabitEthernet0/0/1]interface g0/0/2 [Huawei-GigabitEthernet0/0/2]port link-type access [Huawei-GigabitEthernet0/0/2]port default vlan 10 [Huawei-GigabitEthernet0/0/2]interface g0/0/3 [Huawei-GigabitEthernet0/0/3]port link-type access [Huawei-GigabitEthernet0/0/3]port default vlan 20 [*HUAWEI]bridge-domain 10 //标识一个二层广播域,BD和VNI 1:1映射(VNI在BD里配置) [*HUAWEI-bd10]vxlan vni 10 [*HUAWEI-bd10]q [*HUAWEI]bridge-domain 20 [*HUAWEI-bd20]vxlan vni 20 [*HUAWEI-bd20]q [*HUAWEI]commit [~HUAWEI]interface g1/0/1.10 mode l2 [*HUAWEI-GE1/0/1.10]encapsulation dot1q vid 10 [*HUAWEI-GE1/0/1.10]bridge-domain 10 [*HUAWEI-GE1/0/1.10]q [*HUAWEI]commit [~HUAWEI]interface g1/0/1.20 mode l2 [*HUAWEI-GE1/0/1.20]encapsulation dot1q vid 20 [*HUAWEI-GE1/0/1.20]bridge-domain 20 [*HUAWEI-GE1/0/1.20]q [*HUAWEI]commit [~HUAWEI]interface g1/0/1 [~HUAWEI-GE1/0/1]undo shutdown [*HUAWEI-GE1/0/1]commit [~HUAWEI-GE1/0/1]qu [~HUAWEI]interface loopback 0 [*HUAWEI-LoopBack0]ip add 11.1.1.1 24 [*HUAWEI]interface g1/0/0 [*HUAWEI-GE1/0/0]undo shutdown [*HUAWEI-GE1/0/0]undo portswitch [*HUAWEI-GE1/0/0]ip add 12.1.1.2 24 [*HUAWEI-GE1/0/0]qu [*HUAWEI]ospf 1 router-id 11.1.1.1 [*HUAWEI-ospf-1]area 0 [*HUAWEI-ospf-1-area-0.0.0.0]network 11.1.1.0 0.0.0.255 [~HUAWEI-ospf-1-area-0.0.0.0]network 12.1.1.0 0.0.0.255 [*HUAWEI-ospf-1-area-0.0.0.0]commit [~HUAWEI]interface NVE 1 [*HUAWEI-Nve1]source 11.1.1.1 [*HUAWEI-Nve1]vni 10 head-end peer-list 22.2.2.2 [*HUAWEI-Nve1]vni 20 head-end peer-list 22.2.2.2 [~HUAWEI]bridge-domain 10 [*HUAWEI-bd10]vxlan vni 10 [*HUAWEI]bridge-domain 20 [*HUAWEI-bd20]vxlan vni 20 [*HUAWEI-bd20]qu [*HUAWEI]interface g1/0/1.10 mode l2 [*HUAWEI-GE1/0/1.10]encapsulation dot1q vid 10 [*HUAWEI-GE1/0/1.10]qu [*HUAWEI]interface g1/0/1.20 mode l2 [*HUAWEI-GE1/0/1.20]encapsulation dot1q vid 20 [*HUAWEI-GE1/0/1.20]bridge-domain 20 [*HUAWEI-GE1/0/1.20]interface g1/0/1.10 mode l2 [*HUAWEI-GE1/0/1.10]bridge-domain 10 [*HUAWEI-GE1/0/1.10]qu [*HUAWEI]interface nve 1 [*HUAWEI-Nve1]source 22.2.2.2 [*HUAWEI-Nve1]vni 10 head-end peer-list 11.1.1.1 [*HUAWEI-Nve1]vni 20 head-end peer-list 11.1.1.1 [*HUAWEI-Nve1]qu [*HUAWEI]commit [*HUAWEI]interface loopback 0 [*HUAWEI-LoopBack0]ip add 33.3.3.3 24 [*HUAWEI-LoopBack0]interface g1/0/0 [*HUAWEI-GE1/0/0]undo shutdown [*HUAWEI-GE1/0/0]undo portswitch [*HUAWEI-GE1/0/0]ip add 45.1.1.2 24 [*HUAWEI-GE1/0/0]q [*HUAWEI]commit [~HUAWEI]ospf 1 router-id 33.3.3.3 [*HUAWEI-ospf-1]area 0 [*HUAWEI-ospf-1-area-0.0.0.0]network 33.3.3.0 0.0.0.255 [*HUAWEI-ospf-1-area-0.0.0.0]network 45.1.1.0 0.0.0.255 [*HUAWEI-ospf-1-area-0.0.0.0]commit [*HUAWEI]interface Ethernet 1/0/0 [*HUAWEI-Ethernet1/0/0]ip add 12.1.1.1 24 [*HUAWEI-Ethernet1/0/0]interface Ethernet 1/0/1 [*HUAWEI-Ethernet1/0/1]ip add 100.1.1.1 24 [*HUAWEI-Ethernet1/0/1]commit [~HUAWEI-Ethernet1/0/1]q [~HUAWEI]interface loopback 0 [*HUAWEI-LoopBack0]ip add 1.1.1.1 24 [*HUAWEI-LoopBack0]commit [~HUAWEI-LoopBack0]qu [~HUAWEI]ospf 1 router-id 1.1.1.1 [*HUAWEI-ospf-1]area 0 [*HUAWEI-ospf-1-area-0.0.0.0]network 1.1.1.1 0.0.0.0 [*HUAWEI-ospf-1-area-0.0.0.0]network 12.1.1.0 0.0.0.255 [*HUAWEI-ospf-1-area-0.0.0.0]network 100.1.1.0 0.0.0.255 [*HUAWEI-ospf-1-area-0.0.0.0]commit [*HUAWEI]interface loopback 0 [*HUAWEI-LoopBack0]ip add 3.3.3.3 24 [*HUAWEI-LoopBack0]interface ethernet 1/0/0 [*HUAWEI-Ethernet1/0/0]ip add 45.1.1.1 24 [*HUAWEI-Ethernet1/0/0]interface ethernet 1/0/1 [*HUAWEI-Ethernet1/0/1]ip add 100.1.1.3 24 [*HUAWEI-Ethernet1/0/1]qu [*HUAWEI]ospf 1 router-id 3.3.3.3 [*HUAWEI-ospf-1]area 0 [*HUAWEI-ospf-1-area-0.0.0.0]network 3.3.3.3 0.0.0.0 [*HUAWEI-ospf-1-area-0.0.0.0]network 100.1.1.0 0.0.0.255 [*HUAWEI-ospf-1-area-0.0.0.0]network 45.1.1.0 0.0.0.255
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