- Requirements:
- CEF enabled:
- ip cef globally.
- IGP routing with full connectivity.
- Enable MPLS ip globally & on interfaces.
- Optional :
- Specify TDP/LDP/both as protocol
- Specify LDP router ID
- Specify transport IP address
- If there are so many interfaces to enable MPLS
- use MPLS LDP autoconfig under the routing process(OSPF or EIGRP or etc)