Allied Telesis AT-S25 - Manual (Page 4)

Table of Contents
4
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 ........................................................................................................................................... 43
Activating the BOOTP and DHCP Services ................................................................................................................................................. 46
Configuring the AT-S25 Software Security Features .............................................................................................................................. 48
Configuring the Management Passwords......................................................................................................................................... 49
Configuring Management Access ........................................................................................................................................................ 50
Resetting a Switch ............................................................................................................................................................................................... 51
Configuring SNMP Community Strings and Trap IP Addresses ......................................................................................................... 52
Pinging a Remote System ................................................................................................................................................................................ 54
Returning the AT-S25 Software to the Factory Default Values ........................................................................................................... 55
Viewing the AT-S25 Version Number and Basic Switch Information ............................................................................................... 57
Chapter 4
Port Parameters ................................................................................................................................................................................................. 58
Configuring Port Parameters .......................................................................................................................................................................... 59
Displaying Port Status ........................................................................................................................................................................................ 63
Chapter 5
Port Security ........................................................................................................................................................................................................ 66
Port Security Overview ...................................................................................................................................................................................... 67
Configuring Port Security ................................................................................................................................................................................. 69
Configuring the Limited Security Mode ...................................................................................................................................................... 71
Chapter 6
Port Trunking ...................................................................................................................................................................................................... 74
Port Trunking Overview .................................................................................................................................................................................... 75
Port Trunking Guidelines ......................................................................................................................................................................... 75
Creating a Port Trunk ......................................................................................................................................................................................... 79
Creating 10/100 Port Trunk..................................................................................................................................................................... 79
Creating Gigabit Port Trunk .................................................................................................................................................................... 80
Modifying a Port Trunk ...................................................................................................................................................................................... 82
Modifying a Trunk Name .................................................................................................................................................................................. 83
Deleting a Port Trunk ......................................................................................................................................................................................... 84
Chapter 7
Port Mirroring ..................................................................................................................................................................................................... 85
Port Mirroring Overview ................................................................................................................................................................................... 86
Creating a Port Mirror ........................................................................................................................................................................................ 87
Deleting a Port Mirror ........................................................................................................................................................................................ 89
Chapter 8
STP and RSTP ....................................................................................................................................................................................................... 90
STP and RSTP Overview ..................................................................................................................................................................................... 91
Bridge Priority and the Root Bridge ..................................................................................................................................................... 92
Mixed STP and RSTP Networks .............................................................................................................................................................. 97
Spanning Tree and VLANs ....................................................................................................................................................................... 97
Enabling or Disabling STP or RSTP ................................................................................................................................................................ 99
STP and RSTP Parameters ...............................................................................................................................................................................100
Configuring STP .................................................................................................................................................................................................103
Configuring a Bridge’s STP Settings................................................................................................................................................... 103
Configuring a Port’s STP Settings ....................................................................................................................................................... 105
Displaying Port’s STP Status and Setting ..................................................................................................................................................107