5
Software Release 2.6.1
C613-02039-00 REV A
The Forwarding Process ................................................ ............................ 82
Layer 2 Filtering ......................................................... ............................... 83
The Egress Rules ........................................................... ............................ 85
Quality of Service ............................................. ............................................... 85
Spanning Tree Protocol (STP) ........................................................................... 86
Spanning Tree Modes ............................................................................... 86
Spanning Tree and Rapid Spanning Tree Port States .................................. 87
Configuring STP ....................................................................................... 88
Interfaces to Layer 3 Protocols ......................................................................... 97
IGMP Snooping .............................................................................................. 97
Triggers ......................................................................................................... 100
CHAPTER 6 Layer 3
Internet Protocol (IP) ..................................................................................... 102
IP Multicasting ................ .............................................................................. 102
Routing Information Protocol (RIP) ................................................................ 103
Novell IPX ..................................................................................................... 103
AppleTalk ...................................................................................................... 104
Resource Reservation Protocol (RSVP) .................................................. .......... 105
CHAPTER 7 Maintenance and Troubleshooting
This Chapter ................... .............................................................................. 107
How the Switch Starts Up .. ........................................................................... 108
How to Avoid Problems ................................................................................ 109
What to Do if You Clear FLASH Memory Completely ..................................... 111
What to Do if the PPP Link Disconnects Regularly .......................................... 112
What to Do if Passwords are Lost .................................................. ................ 112
Getting the Most Out of Technical Support ............................................... .... 112
Resetting Switch Defaults ............................................................................. 113
Checking Connections Using PING ................................................................ 113
Troubleshooting IP Configurations ................................................................ 114
Troubleshooting DHCP IP Addresses .............................................................. 115
Troubleshooting IPX Configurations .......................... .................................... 116
Using Trace Route for IP Traffic ...................................................................... 117