Users Guide

OSPF ACK Packing..................................................................................................................................................672
Setting OSPF Adjacency with Cisco Routers.......................................................................................................672
Conguration Information............................................................................................................................................. 673
Conguration Task List for OSPFv2 (OSPF for IPv4).........................................................................................673
Sample Congurations for OSPFv2............................................................................................................................ 685
Basic OSPFv2 Router Topology.............................................................................................................................685
OSPF Area 0 — Te 1/1 and 1/2............................................................................................................................. 686
OSPF Area 0 — Te 3/1 and 3/2............................................................................................................................686
OSPF Area 0 — Te 2/1 and 2/2............................................................................................................................687
OSPFv3 NSSA................................................................................................................................................................687
NSSA Options.......................................................................................................................................................... 687
Conguration Task List for OSPFv3 (OSPF for IPv6)...............................................................................................687
Enabling IPv6 Unicast Routing...............................................................................................................................688
Assigning IPv6 Addresses on an Interface............................................................................................................688
Assigning Area ID on an Interface..........................................................................................................................689
Assigning OSPFv3 Process ID and Router ID Globally........................................................................................689
Assigning OSPFv3 Process ID and Router ID to a VRF......................................................................................690
Conguring the Cost of OSPFv3 Routes............................................................................................................. 690
Conguring Stub Areas............................................................................................................................................691
Conguring Passive-Interface................................................................................................................................ 691
Redistributing Routes.............................................................................................................................................. 691
Conguring a Default Route...................................................................................................................................692
OSPFv3 Authentication Using IPsec.....................................................................................................................692
Troubleshooting OSPFv3........................................................................................................................................698
36 Per-VLAN Spanning Tree Plus (PVST+)................................................................................................... 700
Protocol Overview......................................................................................................................................................... 700
Implementation Information...........................................................................................................................................701
Congure Per-VLAN Spanning Tree Plus.................................................................................................................... 701
Related Conguration Tasks....................................................................................................................................701
Enabling PVST+.............................................................................................................................................................. 701
Disabling PVST+.............................................................................................................................................................702
Inuencing PVST+ Root Selection...............................................................................................................................702
Modifying Global PVST+ Parameters..........................................................................................................................704
Modifying Interface PVST+ Parameters..................................................................................................................... 705
Conguring an EdgePort.............................................................................................................................................. 705
PVST+ in Multi-Vendor Networks................................................................................................................................706
Enabling PVST+ Extend System ID............................................................................................................................. 706
PVST+ Sample Congurations..................................................................................................................................... 707
37 PIM Sparse-Mode (PIM-SM)................................................................................................................... 710
Implementation Information.......................................................................................................................................... 710
Protocol Overview..........................................................................................................................................................710
Requesting Multicast Trac................................................................................................................................... 710
Refuse Multicast Trac............................................................................................................................................711
Send Multicast Trac...............................................................................................................................................711
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