hostname r1 log file ldpd.log ! ! debug mpls ldp zebra ! debug mpls ldp event ! debug mpls ldp errors ! debug mpls ldp messages recv ! debug mpls ldp messages sent ! debug mpls ldp discovery hello recv ! debug mpls ldp discovery hello sent ! mpls ldp router-id 1.1.1.1 ! address-family ipv4 discovery transport-address 1.1.1.1 ! interface r1-eth0 ! ! ! line vty !