8.4. LISP Functionality with Conventional NATs

8.4. LISP Functionality with Conventional NATs

LISP routers can be deployed behind Network Address Translator (NAT) devices to provide the same set of packet services hosts have today when they are addressed out of private address space.

It is important to note that a locator address in any LISP control message MUST be a globally routable address and therefore SHOULD NOT contain [RFC1918] addresses. If a LISP router is configured with private addresses, they MUST be used only in the outer IP header so the NAT device can translate properly. Otherwise, EID addresses MUST be translated before encapsulation is performed. Both NAT translation and LISP encapsulation functions could be co-located in the same device.

More details on LISP address translation can be found in [RFC6832].