Step 1: Enable CEF 1841-1# ip cef 1841-2# ip cef 3825-1# ip cef Step 2: Configure IGP 1841-1# router ospf 1  router-id 11.11.11.11  log-adjacency-changes  passive-interface default  no passive-interface FastEthernet0/0  network 192.168.0.1 0.0.0.0 area 0 3825-1# router ospf 1  router-id 22.22.22.22  log-adjacency-changes  passive-interface default  no passive-interface GigabitEthernet0/0  no passive-interface GigabitEthernet0/1  network 192.168.0.2 0.0.0.0 area 0  network … Continue reading MPLS: Frame-mode MPLS configuration →