Enable BPDU Filtering Globally........................................................................................................593
Modifying the Interface Parameters.................................................................................................594
Configuring an EdgePort..................................................................................................................595
Flush MAC Addresses after a Topology Change.............................................................................596
MSTP Sample Configurations...........................................................................................................596
Router 1 Running-ConfigurationRouter 2 Running-ConfigurationRouter 3 Running-
ConfigurationSFTOS Example Running-Configuration.............................................................597
Debugging and Verifying MSTP Configurations.............................................................................600
34 Multicast Features......................................................................................... 603
Enabling IP Multicast........................................................................................................................603
Implementation Information............................................................................................................603
First Packet Forwarding for Lossless Multicast................................................................................604
Multicast Policies..............................................................................................................................604
IPv4 Multicast Policies......................................................................................................................604
Limiting the Number of Multicast Routes..................................................................................605
Preventing a Host from Joining a Group...................................................................................605
Rate Limiting IGMP Join Requests.............................................................................................609
Preventing a PIM Router from Forming an Adjacency..............................................................609
Preventing a Source from Registering with the RP...................................................................609
Preventing a PIM Router from Processing a Join......................................................................612
35 Open Shortest Path First (OSPFv2 and OSPFv3).......................................613
Protocol Overview............................................................................................................................613
Autonomous System (AS) Areas..................................................................................................613
Area Types...................................................................................................................................614
Networks and Neighbors............................................................................................................615
Router Types................................................................................................................................615
Link-State Advertisements (LSAs)................................................................................................617
Router Priority and Cost..............................................................................................................619
OSPF with the Dell Networking OS..................................................................................................619
Graceful Restart..........................................................................................................................620
Fast Convergence (OSPFv2, IPv4 Only)......................................................................................621
Multi-Process OSPFv2 (IPv4 only)..............................................................................................621
RFC-2328 Compliant OSPF Flooding........................................................................................622
OSPF ACK Packing......................................................................................................................623
Setting OSPF Adjacency with Cisco Routers.............................................................................623
Configuration Information...............................................................................................................624
Configuration Task List for OSPFv2 (OSPF for IPv4)..................................................................624
Troubleshooting OSPFv2............................................................................................................638
Configuration Task List for OSPFv3 (OSPF for IPv6).......................................................................642
Enabling IPv6 Unicast Routing...................................................................................................643
20