Dell S4148U-ON OS10 Enterprise Edition User Guide Release 10.4.0E R2 - Page 349

OSPFv2 authentication You can enable OSPF authentication either with clear text or with MD5. • Set a clear text authentication scheme on the interface in INTERFACE mode. ip ospf authentication-key key • Set MD5 authentication in INTERFACE mode. ip ospf message-digest-key keyid md5 key Configure text authentication OS10(config)# interface ethernet 1/1/1 OS10(conf-if-eth1/1/1)# ip ospf authentication-key sample View text authentication OS10(conf-if-eth1/1/1)# show configuration ! interface ethernet1/1/1 ip address 10.10.10.2/24 no switchport no shutdown ip ospf 100 area 0.0.0.0 ip ospf authentication-key sample Configure MD5 authentication OS10(config)# interface ethernet 1/1/1 OS10(conf-if-eth1/1/1)# ip ospf message-digest-key 2 md5 sample12345 View MD5 authentication OS10(conf-if-eth1/1/1)# show configuration ! interface ethernet1/1/1 ip address 10.10.10.2/24 no switchport no shutdown ip ospf 100 area 0.0.0.0 ip ospf message-digest-key 2 md5 sample12345 Troubleshoot OSPFv2 You can troubleshoot the OSPFv2 operations, and check questions for any typical issues that interrupt a process. • Is OSPF enabled globally? • Is OSPF enabled on the interface? • Are adjacencies established correctly? • Are the interfaces configured for L3 correctly? • Is the router in the correct area type? • Are the OSPF routes included in the OSPF database? • Are the OSPF routes included in the routing table in addition to the OSPF database? Troubleshooting OSPF with show commands • View a summary of all OSPF process IDs enabled in EXEC mode. show running-configuration ospf • View summary information of IP routes in EXEC mode. show ip route summary Layer 3 349