Table Of Contents - Avaya 8800 Configuration Manual

Chapter 1: New in this release...........................................................................................
Features.................................................................................................................................................... 7
Chapter 2: Introduction......................................................................................................
Chapter 3: Routing fundamentals.....................................................................................
Routing protocols...................................................................................................................................... 11
IP addresses............................................................................................................................................. 12
Subnet addressing........................................................................................................................... 13
Supernet addressing and CIDR....................................................................................................... 14
VLANs and routing.................................................................................................................................... 16
Virtual routing between VLANs......................................................................................................... 16
Brouter ports..................................................................................................................................... 17
Spanning Tree and VLANs............................................................................................................... 17
Static routes.............................................................................................................................................. 19
Static routes and High Availability mode.......................................................................................... 19
Black hole static routes............................................................................................................................. 19
IP routing features and considerations..................................................................................................... 20
IP address for the management port................................................................................................ 20
Equal Cost Multipath........................................................................................................................ 20
Alternative routes and route preferences......................................................................................... 21
Route policies................................................................................................................................... 22
Port routing control........................................................................................................................... 26
Reverse path checking..................................................................................................................... 26
Multihoming...................................................................................................................................... 28
Circuitless IP............................................................................................................................................. 28
Chapter 4: OSPF and RIP fundamentals...........................................................................
Routing Information Protocol..................................................................................................................... 31
RIP and route redistribution.............................................................................................................. 32
Open Shortest Path First........................................................................................................................... 33
OSPF overview................................................................................................................................ 34
Dijkstras algorithm............................................................................................................................ 35
Autonomous system and areas........................................................................................................ 36
OSPF neighbors............................................................................................................................... 40
Router types..................................................................................................................................... 41
OSPF interfaces............................................................................................................................... 42
OSPF and IP.................................................................................................................................... 47
OSPF packets.................................................................................................................................. 48
Intra-area link-state advertisements................................................................................................. 48
ASE routes....................................................................................................................................... 49
OSPF virtual links............................................................................................................................. 49
OSPF ASBRs................................................................................................................................... 50
OSPF metrics................................................................................................................................... 52
OSPF security mechanisms............................................................................................................. 52
OSPF and route redistribution.......................................................................................................... 53
OSPF configuration considerations.......................................................................................................... 54
Configuration - OSPF and RIP
Contents
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9
11
31
June 2011 3