VxLAN

EVPN advertisements is Type 2

Posted on by Admin

The most common type of EVPN advertisements is Type 2 messages. These messages are MAC address advertisements. Each VTEP advertises any MAC address learned in its MAC and IP Neighbor table into BGP as a Type 2 EVPN advertisement. Then BGP transfers all these messages across all routing members so that every VTEP knows which MAC address is owned by which other VTEP. VXLAN routing has full VRF support, so that allows you to create…

Read More

VXLAN

Posted on by Admin

So what is VXLAN and why do we need it? Well put simply it’s VLAN with an X in the middle 🙂 the X standing for eXtensible. VXLAN was a joint project between Cisco, VMware, Redhat and Citrix which is why it has been so widely adopted, and underpins the majority of SDN offerings. And as to why we need it, well that’s mainly to address two limitations of using regular VLANs. Scale and Flexibility….

Read More