Cisco VXLAN

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Virtual Extensible LAN (VXLAN) is a network virtualization technology. Det maximala antalet VLAN på ett Ethernet-nätverk är 4094 (IEEE 802.1Q). Med VXLAN höjs denna gräns till 16 miljoner. Ethernet frames enkapsuleras i IP-paket och transporteras med UDP. L2 flooding emuleras med multicast.

IOS

VxLAN Gateway with Unicast

interface lo0
 ip address 11.11.11.11 255.255.255.255
interface nve1
 no ip address
member vni 5001
 ingress-replication 2.2.2.2
source-interface Loopback0
bridge-domain 1
member vni 5001
member GigabitEthernet0/2/0 service-instance 1
interface GigabitEthernet0/2/0
service instance 1 ethernet
encapsulation dot1q 100
rewrite ingress tag pop 1 symmetric

Show

show nve vni
show nve peers
show bridge-domain 1000