Configuration prerequisites ·································································································································· 29
Configuring RIP timers ··········································································································································· 29
Specifying a RIP neighbor ···································································································································· 32
Configuring RIP GR ························································································································································ 34
Configuring BFD for RIP ················································································································································· 34
Configuring RIP FRR ······················································································································································· 36
Displaying and maintaining RIP ··································································································································· 37
RIP configuration examples ··········································································································································· 37
Configuring basic RIP ··········································································································································· 37
Configuring RIP FRR ·············································································································································· 55
Configuring OSPF ······················································································································································ 58
Overview ········································································································································································· 58
OSPF packets ························································································································································· 58
LSA types ································································································································································ 59
OSPF areas ···························································································································································· 59
Router types ···························································································································································· 61
Route types ····························································································································································· 62
Route calculation ··················································································································································· 63
OSPF network types ·············································································································································· 63
DR and BDR ··························································································································································· 63
Protocols and standards ······································································································································· 64
OSPF configuration task list ·········································································································································· 65
Enabling OSPF ······························································································································································· 66
Configuration prerequisites ·································································································································· 66
Configuration guidelines ······································································································································ 66
Enabling OSPF on a network ······························································································································· 67
Enabling OSPF on an interface ··························································································································· 67
Configuring OSPF areas ··············································································································································· 68
Configuring a stub area ······································································································································· 68
Configuring an NSSA area ·································································································································· 69
Configuring a virtual link ······································································································································ 69
Configuring OSPF network types ································································································································· 70
Configuration prerequisites ·································································································································· 70
ii