Table Of Contents - Avaya 8800 Troubleshooting Manual

Chapter 1: Introduction......................................................................................................
Purpose of this document......................................................................................................................... 17
Related resources..................................................................................................................................... 17
Documentation................................................................................................................................. 17
Training............................................................................................................................................ 17
Avaya Mentor videos........................................................................................................................ 17
Support...................................................................................................................................................... 18
Chapter 2: New in this release...........................................................................................
Features.................................................................................................................................................... 19
Chapter 3: Troubleshooting planning fundamentals.......................................................
Proper installation and routine maintenance............................................................................................. 21
Network configuration............................................................................................................................... 21
Site network map.............................................................................................................................. 22
Logical connections.......................................................................................................................... 22
Device configuration information...................................................................................................... 22
Other important data about your network......................................................................................... 22
Normal behavior on your network............................................................................................................. 23
Chapter 4: Troubleshooting fundamentals.......................................................................
Connectivity problems............................................................................................................................... 25
Routing table problems............................................................................................................................. 25
Chapter 5: Troubleshooting tool fundamentals...............................................................
Troubleshooting overview......................................................................................................................... 27
Digital Diagnostic Monitoring..................................................................................................................... 28
Port mirroring............................................................................................................................................ 28
Overview.......................................................................................................................................... 29
Port mirroring and modules.............................................................................................................. 29
R modules........................................................................................................................................ 32
RS modules...................................................................................................................................... 32
8800 modules................................................................................................................................... 33
ACLs, ACEs, and port mirroring....................................................................................................... 34
Port mirroring considerations and restrictions.................................................................................. 34
Remote mirroring...................................................................................................................................... 35
Remote mirroring considerations and restrictions............................................................................ 36
Ping Snoop................................................................................................................................................ 37
Packet Capture Tool................................................................................................................................. 37
PCAP packet flow............................................................................................................................. 38
PCAP feature support...................................................................................................................... 39
PCAP, IP, and MAC filter sets.......................................................................................................... 39
PCAP filters...................................................................................................................................... 39
PCAP limitations and considerations............................................................................................... 39
PCAP and R series modules............................................................................................................ 41
General diagnostic tools............................................................................................................................ 41
Traceroute........................................................................................................................................ 42
Ping.................................................................................................................................................. 42
Troubleshooting
Contents
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