White Papers
Conguration Task List for OSPFv2 (OSPF for IPv4).........................................................................................672
Sample Congurations for OSPFv2............................................................................................................................ 684
Basic OSPFv2 Router Topology.............................................................................................................................684
OSPF Area 0 — Te 1/1 and 1/2............................................................................................................................. 685
OSPF Area 0 — Te 3/1 and 3/2............................................................................................................................685
OSPF Area 0 — Te 2/1 and 2/2............................................................................................................................686
OSPFv3 NSSA............................................................................................................................................................... 686
NSSA Options..........................................................................................................................................................686
Conguration Task List for OSPFv3 (OSPF for IPv6).............................................................................................. 686
Enabling IPv6 Unicast Routing...............................................................................................................................687
Assigning IPv6 Addresses on an Interface............................................................................................................687
Assigning Area ID on an Interface..........................................................................................................................688
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................688
Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................689
Conguring the Cost of OSPFv3 Routes............................................................................................................. 689
Conguring Stub Areas...........................................................................................................................................690
Conguring Passive-Interface................................................................................................................................690
Redistributing Routes..............................................................................................................................................690
Conguring a Default Route....................................................................................................................................691
OSPFv3 Authentication Using IPsec..................................................................................................................... 691
Troubleshooting OSPFv3........................................................................................................................................ 697
36 Per-VLAN Spanning Tree Plus (PVST+)................................................................................................... 699
Protocol Overview.........................................................................................................................................................699
Implementation Information..........................................................................................................................................700
Congure Per-VLAN Spanning Tree Plus................................................................................................................... 700
Related Conguration Tasks...................................................................................................................................700
Enabling PVST+............................................................................................................................................................. 700
Disabling PVST+..............................................................................................................................................................701
Inuencing PVST+ Root Selection................................................................................................................................701
Modifying Global PVST+ Parameters.......................................................................................................................... 703
Modifying Interface PVST+ Parameters..................................................................................................................... 704
Conguring an EdgePort.............................................................................................................................................. 704
PVST+ in Multi-Vendor Networks............................................................................................................................... 705
Enabling PVST+ Extend System ID............................................................................................................................. 705
PVST+ Sample Congurations.....................................................................................................................................706
37 PIM Sparse-Mode (PIM-SM)...................................................................................................................709
Implementation Information..........................................................................................................................................709
Protocol Overview......................................................................................................................................................... 709
Requesting Multicast Trac...................................................................................................................................709
Refuse Multicast Trac...........................................................................................................................................710
Send Multicast Trac..............................................................................................................................................710
Conguring PIM-SSM.................................................................................................................................................... 711
Related Conguration Tasks.....................................................................................................................................711
Enable PIM-SM............................................................................................................................................................... 711
22
Contents