Allied Telesis AT-S106 User Manual

Management

Software

AT-S106

Web Browser

User’s Guide

For the AT-GS950/48 Gigabit Ethernet Smart Switch

Version 1.0.0

613-001339 Rev. A

Copyright © 2010 Allied Telesis, Inc.

All rights reserved. No part of this publication may be reproduced without prior written permission from Allied Telesis, Inc.

Allied Telesis and the Allied Telesis logo are trademarks of Allied Telesis, Incorporated. All other product names, company names, logos or other designations mentioned herein are trademarks or registered trademarks of their respective owners

Contents

Preface ............................................................................................................................................................	11
Where to Find Web-based Product Information ...............................................................................................	12
Contacting Allied Telesis ..................................................................................................................................	13
Online Support ...........................................................................................................................................	13
Email and Telephone Support....................................................................................................................	13
Warranty.....................................................................................................................................................	13
Returning Products ....................................................................................................................................	13
Sales or Corporate Information ..................................................................................................................	13
Management Software Updates.................................................................................................................	13
Chapter 1: Starting a Web Browser Management Session ............................................................................	15
Establishing a Remote Connection to the Web Browser Interface...................................................................	16
Web Browser Tools ..........................................................................................................................................	20
Quitting a Web Browser Management Session................................................................................................	21
Chapter 2: Basic Switch Parameters ..............................................................................................................	23
Configuring an IP Address, Subnet Mask and Gateway Address ....................................................................	24
Setting Up the IP Access List ...........................................................................................................................	26
Creating an IP Access List .........................................................................................................................	26
Deleting an IP Address ..............................................................................................................................	27
Enabling and Disabling the DHCP Client .........................................................................................................	28
Configuring System Management Information .................................................................................................	31
Configuring System Administration Information ...............................................................................................	33
Adding System Administration Information ................................................................................................	33
Modifying Administration Information .........................................................................................................	34
Deleting Administration Information ...........................................................................................................	35
Setting the User Interface Configuration ..........................................................................................................	36
Viewing System Information .............................................................................................................................	37
Rebooting a Switch...........................................................................................................................................	40
Pinging a Remote System ................................................................................................................................	42
Returning the AT-S106 Management Software to the Factory Default Values ................................................	44
Chapter 3: Virtual LANs ..................................................................................................................................	45
VLAN Overview ................................................................................................................................................	46
Port-based VLAN Overview .......................................................................................................................	47
Tagged VLAN Overview.............................................................................................................................	48
Displaying Ports and Assigning Ports to a VLAN .............................................................................................	50
Creating a Tagged VLAN .................................................................................................................................	51
Modifying a Tagged VLAN................................................................................................................................	53
Deleting a Tagged VLAN..................................................................................................................................	55
Creating a Port-Based VLAN............................................................................................................................	56
Modifying a Port-Based VLAN..........................................................................................................................	57
Deleting a Port-Based VLAN ............................................................................................................................	58

3

Contents
Chapter 4: Quality of Service (QoS) ...............................................................................................................	59
Overview ...........................................................................................................................................................	60
Mapping CoS Priorities to Egress Queues .......................................................................................................	63
Configuring CoS................................................................................................................................................	65
Chapter 5: Port Configuration .........................................................................................................................	69
Overview ...........................................................................................................................................................	70
Displaying and Configuring Ports Using the Port Configuration Page ..............................................................	71
Chapter 6: Static Port Trunking .......................................................................................................................	75
Port Trunking Overview ....................................................................................................................................	76
Static Port Trunk Overview.........................................................................................................................	76
Creating a Port Trunk........................................................................................................................................	79
Modifying a Port Trunk......................................................................................................................................	81
Disabling a Port Trunk ......................................................................................................................................	83
Chapter 7: LACP Port Trunks .........................................................................................................................	85
LACP Overview.................................................................................................................................................	86
LACP System Priority .......................................................................................................................................	90
Key Parameter ..................................................................................................................................................	90
LACP Port Priority Value...................................................................................................................................	90
Guidelines .........................................................................................................................................................	92
Displaying LACP Group Status.........................................................................................................................	94
Selecting Port Priority .......................................................................................................................................	97
Chapter 8: Simple Network Management Protocol (SNMP) ...........................................................................	99
SNMP Overview..............................................................................................................................................	100
Traps ........................................................................................................................................................	100
Community String Attributes ...........................................................................................................................	102
Community String Name ..........................................................................................................................	102
Access Mode ............................................................................................................................................	102
Operating Status.......................................................................................................................................	102
Open or Closed Access Status.................................................................................................................	102
Trap Receivers .........................................................................................................................................	102
Default SNMP Community Strings..................................................................................................................	104
Creating an SNMP Community.......................................................................................................................	105
Modifying an SNMP Community .....................................................................................................................	106
Deleting an SNMP Community .......................................................................................................................	107
Creating a Host Table .....................................................................................................................................	108
Modifying a Host Table Entry..........................................................................................................................	109
Deleting a Host Table Entry ............................................................................................................................	110
Enabling or Disabling Traps............................................................................................................................	111
Modifying Traps ..............................................................................................................................................	112
Deleting Traps.................................................................................................................................................	113
Chapter 9: IGMP Snooping ...........................................................................................................................	115
Overview .........................................................................................................................................................	116
Configuring IGMP Snooping ...........................................................................................................................	118

4

	AT-S79 Management Software User’s Guide
Chapter 10: Bandwidth Control ....................................................................................................................	121
Overview.........................................................................................................................................................	122
Storm Control ...........................................................................................................................................	122
Ingress Rate Limiting ...............................................................................................................................	123
Egress Rate Limiting ................................................................................................................................	123
Setting Storm Control .....................................................................................................................................	124
Setting Ingress Rate Limiting..........................................................................................................................	126
Setting Egress Rate Limiting ..........................................................................................................................	128
Chapter 11: Port Mirroring ............................................................................................................................	131
Overview.........................................................................................................................................................	132
Configuring Port Mirroring ..............................................................................................................................	133
Disabling Port Mirroring ..................................................................................................................................	134
Chapter 12: Static Multicast MAC Address ..................................................................................................	135
Overview.........................................................................................................................................................	136
Setting a Static Multicast Address ..................................................................................................................	138
Modifying a Static Multicast Address..............................................................................................................	140
Deleting a Static Multicast Address ................................................................................................................	141
Chapter 13: Spanning Tree and Rapid Spanning Tree Protocols ................................................................	143
Overview.........................................................................................................................................................	144
Bridge Priority and the Root Bridge ................................................................................................................	145
Path Costs and Port Costs.......................................................................................................................	146
Port Priority ..............................................................................................................................................	146
Forwarding Delay and Topology Changes .....................................................................................................	148
Hello Time and Bridge Protocol Data Units (BPDU) ................................................................................	148
Point-to-Point and Edge Ports..................................................................................................................	149
Mixed STP and RSTP Networks ....................................................................................................................	151
Spanning Tree and VLANs.............................................................................................................................	152
Basic STP and RSTP Configuration...............................................................................................................	154
Configuring RSTP Port Settings .....................................................................................................................	157
Configuring the Basic RSTP Port Settings...............................................................................................	157
Configuring the Advanced RSTP Port Settings........................................................................................	159
Viewing the Spanning Tree Topology.............................................................................................................	163
Chapter 14: 802.1x Port-based Network Access Control .............................................................................	165
Overview.........................................................................................................................................................	166
Authentication Process ............................................................................................................................	167
Authenticator Ports...................................................................................................................................	167
General Steps ..........................................................................................................................................	169
Port-based Network Access Control Guidelines ......................................................................................	170
Guest VLANs..................................................................................................................................................	172
Configuring 802.1x Port-based Network Access Control ...............................................................................	173
Displaying the Port Access Control Status .....................................................................................................	176
Chapter 15: RADIUS Authentication Protocol ..............................................................................................	177
Overview.........................................................................................................................................................	178
RADIUS Implementation Guidelines ........................................................................................................	178
Configuring the RADIUS Client ..................................................................................................	.................... 179
Chapter 16: Dial-in User Configuration .........................................................................................................	181
Dial-in User Configuration Overview ..............................................................................................................	182
Configuring a Dial-in User ..............................................................................................................................	183
Add a Dial-in User ....................................................................................................................................	183
Modify a Dial-in User................................................................................................................................	183
Delete a Dial-in User ................................................................................................................................	184

5

Contents
Chapter 17: Destination MAC Filter ..............................................................................................................	185
Overview .........................................................................................................................................................	186
Configuring a Destination MAC Filter..............................................................................................................	187
Deleting a Destination MAC Filter...................................................................................................................	188
Chapter 18: Management Software Updates ................................................................................................	189
Overview .........................................................................................................................................................	190
Upgrading a Firmware Image Using HTTP.....................................................................................................	191
Upgrading a Firmware Image Using TFTP .....................................................................................................	193
Downloading or Uploading a Configuration File via HTTP..............................................................................	195
Configuration File Upload .........................................................................................................................	195
Configuration File Download ....................................................................................................................	196
Downloading or Uploading a Configuration File via TFTP ..............................................................................	198
Configuration File Upload .........................................................................................................................	198
Configuration File Download ....................................................................................................................	199
Chapter 19: Statistics ....................................................................................................................................	201
Overview .........................................................................................................................................................	202
Displaying Traffic Comparison Statistics.........................................................................................................	203
Displaying Error Group Statistics ....................................................................................................................	207
Displaying Historical Status Charts.................................................................................................................	209
Appendix A: AT-S106 Management Software Web Browser Default Parameters .......................................	213
Index..............................................................................................................................................................	223

6

List of Figures

Figure 1.	Entering a Switch’s IP Address in the URL Field..................................................................................................	16
Figure 2. AT-S106 Login Dialog Box ...................................................................................................................................		17
Figure 3. AT-GS950/48 Home Page....................................................................................................................................		18
Figure 4. AT-GS950/48 Front Panel Page...........................................................................................................................		19
Figure 5. IP Setup Page ......................................................................................................................................................		24
Figure 6.	IP Access List Page .............................................................................................................................................	26
Figure 7. Management Page ...............................................................................................................................................		31
Figure 8.	Administration Page .............................................................................................................................................	33
Figure 9.	Modify Administration Page..................................................................................................................................	34
Figure 10.	User Interface Page ...........................................................................................................................................	36
Figure 11.	Switch Information Page.....................................................................................................................................	37
Figure 12. Reboot Page ......................................................................................................................................................		40
Figure 13.	Ping Test Configuration Page.............................................................................................................................	42
Figure 14. Ping Test Results Page......................................................................................................................................		43
Figure 15. VLAN Mode Page...............................................................................................................................................		50
Figure 16. Tagged VLAN Page ...........................................................................................................................................		51
Figure 17. Example of Tagged VLAN Page.........................................................................................................................		52
Figure 18. Modify VLAN Page .............................................................................................................................................		53
Figure 19. Port-Based VLAN Page......................................................................................................................................		56
Figure 20. Modify Port-based VLAN....................................................................................................................................		57
Figure 21. CoS Page ...........................................................................................................................................................		63
Figure 22. Default Port VLAN & CoS Page .........................................................................................................................		65
Figure 23.	Physical Interface Page......................................................................................................................................	71
Figure 24.	Static Port Trunk Example..................................................................................................................................	76
Figure 25. Trunking Page ....................................................................................................................................................		79
Figure 26.	Example of Multiple Aggregators for Multiple Aggregate Trunks .......................................................................	87
Figure 27.	Example of a Single Aggregator with Multiple Trunks ........................................................................................	88
Figure 28. LACP Group Status Page ..................................................................................................................................		94
Figure 29. LACP Group Status Page with No Cables Connected.......................................................................................		95
Figure 30. LACP Group Status Page with Four Cables Connected ....................................................................................		96
Figure 31.	Port Priority Page ...............................................................................................................................................	97
Figure 32. Community Table Page....................................................................................................................................		105
Figure 33. Host Table Page...............................................................................................................................................		108
Figure 34.	Trap Setting Page ............................................................................................................................................	111
Figure 35. IGMP Snooping Page.......................................................................................................................................		118
Figure 36. IGMP Snooping Page with MAC Address ........................................................................................................		119
Figure 37. IGMP Snooping —Group Members Page ........................................................................................................		120
Figure 38. Storm Control Page..........................................................................................................................................		124
Figure 39.	Ingress Rate Limiting Page ..............................................................................................................................	126
Figure 40.	Egress Rate Limiting Page...............................................................................................................................	128
Figure 41.	Mirroring Page..................................................................................................................................................	133
Figure 42.	Static Multicast Address Table Page................................................................................................................	138
Figure 43.	Modify Static Multicast Address Page ..............................................................................................................	140
Figure 44.	Point-to-Point Ports ..........................................................................................................................................	149
Figure 45. Edge Port .........................................................................................................................................................		150
Figure 46. STP and VLAN Fragmentation with Untagged Ports........................................................................................		152
Figure 47. STP and VLAN Compatibility with Tagged Ports..............................................................................................		153
Figure 48. Rapid Spanning Tree Configuration Page........................................................................................................		154
Figure 49. RSTP Basic Port Configuration Page...............................................................................................................		157
Figure 50. RSTP Advanced Port Configuration Page........................................................................................................		160

7

Figures
Figure 51.	Designated Topology Information Page ...........................................................................................................	163
Figure 52.	Example of the Authenticator Role ...................................................................................................................	168
Figure 53.	Port-based Authentication Across Multiple Switches........................................................................................	171
Figure 54.	802.1x Access Control Configuration Page......................................................................................................	173
Figure 55.	802.1x Access Control Configuration Page......................................................................................................	176
Figure 56. RADIUS Page...................................................................................................................................................		179
Figure 57.	Dial-In User Page .............................................................................................................................................	183
Figure 58.	Destination MAC Filter Page ............................................................................................................................	187
Figure 59.	Updated Destination MAC Filter Page..............................................................................................................	187
Figure 60. Firmware Upgrade via HTTP Page...................................................................................................................		192
Figure 61. Firmware Upgrade via TFTP Page...................................................................................................................		194
Figure 62. Configuration Upload/Download via HTTP Page..............................................................................................		195
Figure 63. File Download with HTTP .................................................................................................................................		196
Figure 64. Result Page ......................................................................................................................................................		197
Figure 65. Configuration Upload/Download via TFTP Page ..............................................................................................		198
Figure 66.	Traffic Comparison Page..................................................................................................................................	203
Figure 67. Error Group Chart Page....................................................................................................................................		207
Figure 68.	Historical Status Chart Page.............................................................................................................................	209

8

Tables

Table 1.	Default Mappings of IEEE 802.1p Priority Levels to Egress Port Priority Queues	...............................................61
Table 2.	Multiple Aggregators .............................................................................................................................................	88
Table 3.	Bridge Priority Value Increments ........................................................................................................................	145
Table 4.	Valid Port Priority Values ....................................................................................................................................	147
Table 5.	RSTP Point-to-Point Status ................................................................................................................................	162
Table 6.	Traffic Comparison Options ................................................................................................................................	204
Table 7.	Historical Status Options ....................................................................................................................................	210
Table 8. AT-S106 Management Software Default Settings ..............................................................................................		213

9

List of Tables

10

Preface

This guide contains instructions on how to use the AT-S106 Management software to manage and monitor the AT-GS950/48 Gigabit Ethernet Smart Switch.

The AT-S106 Management software has a web browser interface that you can access from any management workstation on your network that has a web browser application.

This preface contains the following sections:

“Where to Find Web-based Product Information” on page 12

“Contacting Allied Telesis” on page 13

11

Preface

Where to Find Web-based Product Information

The installation and user guides are available for all Allied Telesis products in portable document format (PDF) on our web site. Management software updates are also available. Go to http://www.alliedtelesis.com/support/software/.

Enter your hardware product model in the Search by Product Name field; for example, enter AT-GS950/48. You can view the documents online or download them onto your local workstation or server.

12

AT-S106 Management Software Web Browser User’s Guide

Contacting Allied Telesis

Online Support

Email and

Telephone

Support

Warranty

Returning

Products

Sales or

Corporate

Information

Management

Software Updates

This section provides Allied Telesis contact information for technical support as well as sales and corporate information.

You can request technical support online by accessing the Allied Telesis Knowledge Base: www.alliedtelesis.com/support/kb.aspx. You can use the Knowledge Base to submit questions to our technical support staff and review answers to previously asked questions.

For Technical Support via email or telephone, refer to the Support & Services section of the Allied Telesis web site: www.alliedtelesis.com. Select your country from the list displayed on the website. then select the appropriate menu tab.

For hardware warranty information, refer to the Allied Telesis web site: www.alliedtelesis.com/support/warranty.

Products for return or repair must first be assigned a return materials authorization (RMA) number. A product sent to Allied Telesis without an RMA number will be returned to the sender at the sender’s expense.

To obtain an RMA number, contact the Allied Telesis Technical Support group at our web site: www.alliedtelesis.com/support/rma. Select your country from the list displayed on the website. Then select the appropriate menu tab.

You can contact Allied Telesis for sales or corporate information through our web site: www.alliedtelesis.com. To find the contact information for your country, select Contact Us -> Worldwide Contacts.

New releases of management software for our managed products are available on our Allied Telesis web site at http://www.alliedtelesis.com/support/software/.

Go to “Where to Find Web-based Product Information” on page 12 for instructions on navigating to this information.

13

Preface

14

Chapter 1

Starting a Web Browser Management

Session

This chapter contains the procedures for starting, using, and quitting a web browser management session on the AT-GS950/48 Gigabit Ethernet Smart Switch. This chapter includes the following sections:

“Establishing a Remote Connection to the Web Browser Interface” on page 16

“Web Browser Tools” on page 20

“Quitting a Web Browser Management Session” on page 21

15

Chapter 1: Starting a Web Browser Management Session

Establishing a Remote Connection to the Web Browser Interface

The AT-GS950/48 Gigabit Ethernet Smart Switch is shipped with a preassigned IP address of 192.168.1.1.

After your initial login, you may want to assign a new IP address to your switch. To manually assign an IP address to the switch, refer to “Configuring an IP Address, Subnet Mask and Gateway Address” on page 24. To configure the switch to obtain its IP configuration from a DHCP server, refer to “Enabling and Disabling the DHCP Client” on page 28.

Whether you use the pre-assigned IP address or assign a new one, you must set your local PC to the same subnet as the switch.

To start a web browser management session, do the following procedure:

1.Start your web browser.

2.In the URL field of the browser, enter 192.168.1.1 which is the default IP address of the switch. See Figure 1.

Switch’s IP Address

Figure 1. Entering a Switch’s IP Address in the URL Field

16

AT-S106 Management Software Web Browser User’s Guide

The AT-S106 Management software displays the login dialog box, shown in Figure 2.

Figure 2. AT-S106 Login Dialog Box

3.Enter the AT-S106 management login user name and password.

The default user name is “manager” and the default password is “friend.”

4.Press OK.

The login name and password are case-sensitive.

The switch Home Page is displayed. See Figure 3 on page 18 for an example of the AT-GS950/48 Home Page

To change the user name and password, refer to “Configuring System Administration Information” on page 33.

17

Chapter 1: Starting a Web Browser Management Session

Figure 3. AT-GS950/48 Home Page

The main menu appears on the left side and is common for all of the management pages discussed in this manual. It consists of the following folders and web pages:

Switch Info.

Front Panel

System

Physical Interface

Bridge

SNMP

Security

Statistics Chart

Tools

Save Configuration

5.To see the front panel of the switch, select Front Panel from the main menu on the left side of the page.

18

AT-S106 Management Software Web Browser User’s Guide

The AT-S106 Management software displays the front of the switch. Ports that have a link to an end node are green. Ports without a link are grey. The AT-GS950/48 front panel page is shown in Figure 4.

Figure 4. AT-GS950/48 Front Panel Page

A web browser management session remains active even if you link to other sites. You can return to the management web pages anytime as long as you do not quit the browser.

19

Chapter 1: Starting a Web Browser Management Session

Web Browser Tools

You can use the web browser tools to move around the management pages. Selecting Back on your browser’s toolbar returns you to the previous display. You can also use the browser’s bookmark feature to save the link to the switch.

20

AT-S106 Management Software Web Browser User’s Guide

Quitting a Web Browser Management Session

To exit a web browser management session, close the web browser.

21

Chapter 1: Starting a Web Browser Management Session

22

Chapter 2

Basic Switch Parameters

This chapter provides procedures to perform basic switch activities such as reassigning the IP address, enabling the DHCP Client, configuring new user names and passwords, and rebooting the system.

This chapter contains the following sections:

“Configuring an IP Address, Subnet Mask and Gateway Address” on page 24

“Setting Up the IP Access List” on page 26

“Enabling and Disabling the DHCP Client” on page 28

“Configuring System Management Information” on page 31

“Configuring System Administration Information” on page 33

“Setting the User Interface Configuration” on page 36

“Viewing System Information” on page 37

“Rebooting a Switch” on page 40

“Pinging a Remote System” on page 42

“Returning the AT-S106 Management Software to the Factory Default Values” on page 44

Note

To permanently save your new settings or any changes to the configuration file, select Save Configuration to Flash from the main menu on the left side of the page.

23

Chapter 2: Basic Switch Parameters

Configuring an IP Address, Subnet Mask and Gateway Address

This procedure explains how to change the IP address, subnet mask, and gateway address of the switch. Before performing the procedure, note the following:

A gateway address is only required if you want to remotely manage the device from a management station that is separated from the switch by a router.

To configure the switch to automatically obtain its IP configuration from a DHCP server on your network, go to “Enabling and Disabling the DHCP Client” on page 28.

To change the switch’s IP configuration, do the following procedure:

1.From the main menu on the left side of the page, click the System folder.

The System folder expands.

2.From the System folder, select IP Setup. The IP Setup Page is displayed. See Figure 5.

Figure 5. IP Setup Page

24

AT-S106 Management Software Web Browser User’s Guide

3.Change the IP configuration parameters by entering new information in the following fields:

System MAC Address

This parameter displays the MAC address of the switch. You cannot change this parameter.

System IP Address

Displays the current IP address of the switch. To change the IP address, enter a new IP address.

System Subnet Mask

Displays the current subnet mask of the switch. To change the subnet mask, enter a new subnet mask.

System Default Gateway

Displays the default gateway of the switch. To change the default gateway, enter a new gateway.

DHCP Mode

For information about setting this parameter, refer to “Enabling and Disabling the DHCP Client” on page 28.

Caution

Before enabling DHCP Mode, record the MAC address of your switch. For more information, refer to “Enabling and Disabling the DHCP Client” on page 28.

4. Click Apply.

Note

Changing the IP address ends your management session. To resume managing the device, enter the new IP address of the switch in the web browser’s URL field, as shown in Figure 1 on page 16.

5.After you log on to the switch with the new IP address, select Save Configuration to Flash from the main menu on the left side of the page to save the new IP address to memory.

Caution

If you do not select Save Configuration to Flash, the IP address will revert to its default or original setting when you power cycle the switch.

25

Chapter 2: Basic Switch Parameters

Setting Up the IP Access List

Creating an IP

Access List

When the IP Access List feature is enabled, remote access to the management software is restricted to the IP addresses entered into the IP Access List. It does not restrict the management ping response activity, only web access to the management software.

Note

By default, the IP Access List feature is disabled.

The procedures in this section describe how to enable or disable the IP Access List feature and how to add or remove IP addresses from the list. See the following sections:

“Creating an IP Access List” on page 26

“Deleting an IP Address” on page 27

Note

You cannot modify an existing IP address.

To create a list of accessible IP addresses, do the following procedure:

1.From the main menu on the left side of the page, click the System folder.

The System folder expands.

2.From the System folder, select IP Access List. The IP Access List Page is displayed. See Figure 6.

.

Figure 6. IP Access List Page

26

Deleting an IP

Address

AT-S106 Management Software Web Browser User’s Guide

3.Enter an IP address in the IP Address field using a xxx.xxx.xxx.xxx format.

4.Click Add.

The IP address is added to the IP Access List Table.

5.To set the IP restriction status, select Disable or Enable in the pulldown menu next to the IP Restriction Status field.

By default, the IP Restriction Status field is set to Disable.

6.Click Apply.

7.From the main menu (not shown in Figure 6) on the left side of the page, select Save Configuration to Flash to permanently save your changes.

To delete an IP address from the IP Access List, do the following procedure:

1.From the main menu on the left side of the page, click the System folder.

The System folder expands.

2.From the System folder, select IP Access List.

The IP Access List Page is displayed. See Figure 6 on page 26.

3.Select delete next to the IP address that you want to remove.

The IP address is removed from the IP Access List Table. If you remove the last IP address from the table, the IP Restriction Status field is set to Disable.

4.From the main menu (not shown in Figure 6) on the left side of the page, select Save Configuration to Flash to permanently save your changes.

27

Chapter 2: Basic Switch Parameters

Enabling and Disabling the DHCP Client

Since the AT-GS950/48 Gigabit Ethernet Smart Switch only has a web management interface and does not have local console connections, you must be careful when you change the IP address of the switch by enabling the DHCP client. With DHCP enabled, the DHCP server automatically assigns the next available IP address to your switch from a range of unassigned IP addresses. This IP address is not be advertised over the network and as a consequence, you do not know which IP address has been assigned. Once the switch obtains a new IP address from the DHCP server, the switch becomes inaccessible and the MAC address can no longer be viewed with the AT-S106 Management software using the previous IP address.

To find the new IP address, you must look it up on your DHCP server which requires you to have the MAC address of your switch as a reference.

Before you enable the DHCP client, record the switch’s MAC address. You can view the MAC address on the System Information Page when you first log onto the switch. See “Viewing System Information” on page 37. Or, you can find the MAC address on the label affixed to the

switch. Provide this information to your system administrator for reference.

Note

The MAC address may also be obtained from the agency label that you can find on the bottom of the chassis.

If the switch power cycles or if you press the Reset button before you save the new configuration, the software reverts to the default IP address value. In either case, the IP address value reverts to 192.168.1.1.

This procedure explains how to activate and deactivate the DHCP client on the switch. When the client is activated, the switch obtains its IP configuration, its IP address and subnet mask, from a DHCP server on your network. Before performing the procedure, note the following:

By default, the DHCP client is disabled on the switch.

The DHCP client does not support BOOTP.

After you enable DHCP, you end the current management session. Log on with the new IP address (provided by your system administrator) using the procedure described in “Establishing a Remote Connection to the Web Browser Interface” on page 16.

28

AT-S106 Management Software Web Browser User’s Guide

Caution

Record the MAC address of your switch before you begin this procedure.

To activate or deactivate the DHCP client on the switch, do the following procedure:

1.From the main menu on the left side of the page, click the System folder.

The System folder expands.

2.From the System folder, select IP Setup.

The IP Setup Page is shown in Figure 5 on page 24.

3.From the pull-down menu next to the DHCP Mode field, select Enable or Disable.

By default, this field is set to Disable.

4.Click Apply.

If you enable the DHCP client, the web server connection to the switch will be lost.

Before you disable the DHCP client, you need to assign a new System IP Address value in “Configuring an IP Address, Subnet Mask and Gateway Address” on page 24. Record this value for future use.

Caution

Enabling or disabling DHCP ends your management session.

Caution

If you do not select Save Configuration to Flash, the DHCP mode and the IP Address reverts to the previous configuration when you power cycle the switch.

5.Log on to the switch with the new IP address and immediately save your configuration by selecting Save Configuration to Flash from the main menu on the left side of the page.

If you enable DHCP and then save your configuration, you save the IP address obtained from the DHCP server.

29

Chapter 2: Basic Switch Parameters

If you disable DHCP, enter a new IP address, and then save your configuration, you have saved the DHCP setting and the new IP address on the switch.

30