Allied Telesis AT-S25 - Manual (Page 4)

Table of Contents
4
Telnet Management Session ........................................................................................................................................................................... 38
Starting a Telnet Management Interface ........................................................................................................................................... 38
Quitting from a Telnet Management Interface................................................................................................................................ 39
Selecting a Switch Module in the Stack ...................................................................................................................................................... 40
Chapter 3
Basic Switch Parameters ................................................................................................................................................................................ 41
When Does a Switch Need an IP Address? ................................................................................................................................................. 42
How Do You Assign an IP Address?...................................................................................................................................................... 42
Configuring an IP Address and Switch Name ........................................................................................................................................... 45
Activating the BOOTP and DHCP Services ................................................................................................................................................. 46
Resetting a Stack .................................................................................................................................................................................................. 48
Pinging a Remote System ................................................................................................................................................................................ 49
Configuring the AT-S25 Software Security Features .............................................................................................................................. 50
Configuring the Management Passwords......................................................................................................................................... 51
Configuring Management Access ........................................................................................................................................................ 52
Configuring SNMP Community Strings and Trap IP Addresses ......................................................................................................... 54
Returning the AT-S25 Software to the Factory Default Values ........................................................................................................... 56
Viewing the AT-S25 Version Number and Basic Switch Information ............................................................................................... 58
Chapter 4
Port Parameters ................................................................................................................................................................................................. 59
Configuring Port Parameters .......................................................................................................................................................................... 60
Displaying Port Status ........................................................................................................................................................................................ 64
Chapter 5
Port Security ........................................................................................................................................................................................................ 67
Port Security Overview ...................................................................................................................................................................................... 68
Automatic ...................................................................................................................................................................................................... 68
Limited............................................................................................................................................................................................................ 68
Secure ............................................................................................................................................................................................................. 70
Lock All Ports ................................................................................................................................................................................................ 71
Configuring Limited Security Level .............................................................................................................................................................. 72
Activating a Port Security Level ..................................................................................................................................................................... 75
Chapter 6
Port Trunking ...................................................................................................................................................................................................... 77
Port Trunking Overview .................................................................................................................................................................................... 78
Port Trunking Guidelines ......................................................................................................................................................................... 78
Creating a Port Trunk ......................................................................................................................................................................................... 82
Creating a 10/100 Port Trunk ................................................................................................................................................................. 82
Creating a Gigabit Port Trunk................................................................................................................................................................. 83
Modifying a Port Trunk ...................................................................................................................................................................................... 85
Modifying a Trunk Name .................................................................................................................................................................................. 86
Deleting a Port Trunk ......................................................................................................................................................................................... 87
Chapter 7
Port Mirroring ..................................................................................................................................................................................................... 88
Port Mirroring Overview ................................................................................................................................................................................... 89
Creating a Port Mirror ........................................................................................................................................................................................ 90
Chapter 8
STP and RSTP ....................................................................................................................................................................................................... 92
STP and RSTP Overview ..................................................................................................................................................................................... 93
Bridge Priority and the Root Bridge ..................................................................................................................................................... 94
Mixed STP and RSTP Networks ............................................................................................................................................................ 100
Spanning Tree and VLANs ..................................................................................................................................................................... 100