Operation Manual – Routing ProtocolH3C S7500 Series Ethernet Switches Chapter 4 OSPF Configuration4-29[SwitchB-Vlan-interface1] ip address 196.1.1.2 255.255.255.0[SwitchB-Vlan-interface1] quit[SwitchB] interface vlan-interface 2[SwitchB-Vlan-interface2] ip address 197.1.1.2 255.255.255.0[SwitchB] router id 2.2.2.2[SwitchB] ospf[SwitchB-ospf-1] area 0[SwitchB-ospf-1-area-0.0.0.0] network 196.1.1.0 0.0.0.255[SwitchB-ospf-1-area-0.0.0.0] quit[SwitchB-ospf-1] area 1[SwitchB-ospf-1-area-0.0.0.1] network 197.1.1.0 0.0.0.255[SwitchB-ospf-1-area-0.0.0.1] vlink-peer 3.3.3.3# Configure Switch C. system-view[SwitchC] interface Vlan-interface 1[SwitchC-Vlan-interface1] ip address 152.1.1.1 255.255.255.0[SwitchC-Vlan-interface1] quit[SwitchC] interface Vlan-interface 2[SwitchC-Vlan-interface2] ip address 197.1.1.1 255.255.255.0[SwitchC-Vlan-interface2] quit[SwitchC] router id 3.3.3.3[SwitchC] ospf[SwitchC-ospf-1] area 1[SwitchC-ospf-1-area-0.0.0.1] network 197.1.1.0 0.0.0.255[SwitchC-ospf-1-area-0.0.0.1] quit[SwitchC-ospf-1-area-0.0.0.1] vlink-peer 2.2.2.2[SwitchC-ospf-1] area 2[SwitchC-ospf-1-area-0.0.0.2] network 152.1.1.0 0.0.0.2554.10 Troubleshooting OSPF ConfigurationSymptom 1: OSPF has been configured in accordance with the above-mentionedsteps, but OSPF does not run normally on the switch.Solution: Perform the following procedure.Local fault removal:Check whether the protocol works normally between two directly connected routers.The normal sign is that the peer state machine between the two routers is in the FULLstate.Note: On a broadcast or NBMA network, if the interfaces between two routers are inDROther state, the peer state machine between the two routers are in 2-way state,