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Chapter 1

Getting Started

This chapter provides information and instructions on how to access the
AT-S82 management software by starting a web browser management
session. This chapter contains the following sections:

“Starting a Management Session” on page 12

“Saving Changes” on page 14

“Quitting a Management Session” on page 15

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Содержание AT-S82

Страница 1: ...613 000375 Rev A Management Software AT S82 User s Guide For the AT GS950 8 Layer 2 Gigabit Ethernet WebSmart Switch Version 1 0 0...

Страница 2: ...rks or registered trademarks of their respective owners Allied Telesis Inc reserves the right to make changes in specifications and other information contained in this document without prior written n...

Страница 3: ...strator s Password 22 Rebooting the Switch 23 Resetting the Switch and Retaining the IP Address 24 Returning the AT S82 Management Software to the Factory Default Values 25 Downloading New Firmware 26...

Страница 4: ...cheduling 51 Mapping Priorities to Queues 53 Setting Up the Schedule 54 Assigning Priority to Ports 55 Chapter 7 Spanning Tree Protocol STP 57 Spanning Tree Overview 58 Bridge Priority and the Root Br...

Страница 5: ...age 35 Figure 14 Port Trunking Configuration Page 35 Figure 15 802 1Q Static VLAN Page 43 Figure 16 VLAN Detail Page 43 Figure 17 Current VLANs Page 45 Figure 18 Protected Ports VLAN Example 46 Figure...

Страница 6: ...Figures 6...

Страница 7: ...ns instructions on how to use the AT S82 management software to manage the AT GS950 8 Smart Switch switch This preface contains the following sections Where to Find Web based Guides on page 8 Contacti...

Страница 8: ...s The installation and user guides for all Allied Telesis products are available in portable document format PDF on our web site at www alliedtelesis com You can view the documents online or download...

Страница 9: ...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 Allied Telesis Technical Support through our web site www...

Страница 10: ...Preface 10...

Страница 11: ...and instructions on how to access the AT S82 management software by starting a web browser management session This chapter contains the following sections Starting a Management Session on page 12 Savi...

Страница 12: ...form the following procedure 1 Start a web browser 2 In the URL field of the web browser enter the default IP address of the switch 192 168 1 1 The AT S82 management software displays the login dialog...

Страница 13: ...AT S83 Management Software User s Guide 13 The main page which by default displays the Basic Switch Information page is shown in Figure 2 Figure 2 Main Page...

Страница 14: ...he configuration file each time that you change a parameter or save the changes after you are done with all your changes and before you exit the web browser Note If you do not save changes using the S...

Страница 15: ...AT S83 Management Software User s Guide 15 Quitting a Management Session To quit a management session close the web browser...

Страница 16: ...Chapter 1 Getting Started 16...

Страница 17: ...Disabling or Enabling Ping Blocking on page 20 Enabling or Disabling 802 1X Forwarding Control on page 21 Changing the Administrator s Password on page 22 Rebooting the Switch on page 23 Resetting the...

Страница 18: ...The Basic Switch Information page is shown in Figure 4 Figure 4 Basic Switch Information Page 2 To set the switch s IP address in the Get IP Address field choose one of the following from the list Man...

Страница 19: ...are not available DHCP Enables DHCP so that the switch gets its IP address from a DHCP server When you choose this selection the IP Address Subnet Mask and Default Gateway fields are not available 3...

Страница 20: ...ain menu select Basic Switch Information The Basic Switch Information page is shown in Figure 4 on page 18 2 For Ping Blocking choose one of the following Enabled The switch does not respond to ping r...

Страница 21: ...tocol To disable or enable 802 1X forwarding control perform the following procedure 1 From the main menu select Basic Switch Information The Basic Switch Information page is shown in Figure 4 on page...

Страница 22: ...ge is shown in Figure 5 Figure 5 Administrator Password Page 2 In the Old Password field type the old password 3 In the New Password field type the new password 4 In the Confirm Password field retype...

Страница 23: ...h does not forward network traffic during the reboot process Some network traffic may be lost To reboot the switch perform the following procedure 1 From the main menu select Reboot The Reboot page is...

Страница 24: ...return all the parameters to their default values The procedure for resetting the switch to the default values is described in Returning the AT S82 Management Software to the Factory Default Values o...

Страница 25: ...s not forward network traffic during the reboot process Some network traffic may be lost To return the AT S82 management software to the default settings perform the following procedure 1 From the mai...

Страница 26: ...gure 9 Figure 9 Download Firmware Page 2 In the Server IP Address field type the IP address of the server where the firmware file is located 3 In the File Name field type the path for the firmware fil...

Страница 27: ...Section I Using the Menus Interface 27 Chapter 3 Port Configuration This chapter contains the following section Configuring Port Parameters on page 28...

Страница 28: ...t Configuration The Port Configuration page is shown in Figure 11 Figure 11 Port Configuration Page The top part of the page allows you to select port s and apply configuration parameters The bottom p...

Страница 29: ...are operating at the highest possible speed In order for a switch port to successfully autonegotiate its duplex mode with an end node the end node should also be using autonegotiation Otherwise a dup...

Страница 30: ...rol on the port choose the port using the From and To lists You can select one port From 2 To 2 for example or a range of ports From 1 To 5 for example 6 From the Flow Control list choose one of the f...

Страница 31: ...on I Using the Menus Interface 31 Chapter 4 Trunking This chapter contains the following sections Trunking Overview on page 32 Configuring the Trunking Algorithm on page 34 Setting up the Trunk on pag...

Страница 32: ...trunking To ensure compatibility set up trunks only between AT GS950 8 devices The trunk always contains two ports one of which is designated the master port The AT S82 management software is preconfi...

Страница 33: ...AT S82 Management Software User s Guide 33 distribution methods MAC SA source MAC address MAC DA destination MAC address DAxorSA destination MAC address source MAC address...

Страница 34: ...e 12 Trunking Algorithm Page 2 Choose one of the load methods from the list MAC SA By the source MAC address MAC DA By the destination MAC address DAxorSA Using either the destination MAC address or s...

Страница 35: ...ure 1 From the main menu select Port Trunking The Port Trunking page is shown in Figure 13 Figure 13 Port Trunking Page The current trunks if any are shown in the Current Trunking Group Entries area 2...

Страница 36: ...State choose the state of the trunk either enabled or disabled Note Ignore the Master Port field The Active Port field displays which ports in the trunk have established an active link The Flooding po...

Страница 37: ...n I Using the Menus Interface 37 Chapter 5 VLANs This chapter contains the following sections VLAN Features on page 38 VLAN Overview on page 40 Working with VLANs on page 43 Protected Ports VLAN on pa...

Страница 38: ...functions or users within individual workgroups High traffic the danger of broadcast storms router latency and data collisions are significantly reduced and the efficiency of the entire network is im...

Страница 39: ...VLANs can be used to control the flow of data in your network since the traffic generated by an end node in a VLAN is restricted to the other end nodes in the same VLAN In addition VLANs can prevent d...

Страница 40: ...ent from all other VLANs in your network If a VLAN spans multiple switches then the VID for the VLAN on the different switches should be the same The switches are then able to recognize and forward fr...

Страница 41: ...IEEE802 3ac VLAN tagging standard When a switch receives a frame it examines the frame header to see if it contains a VLAN tag tagged frame or no tag untagged frame After switching the frame to an ou...

Страница 42: ...s multiple switches requires a port on each switch where the VLAN is located to function as an interconnection between the switches where the various parts of the VLAN reside This port may be defined...

Страница 43: ...isplaying all VLANs on page 44 Modifying a VLAN on page 45 Creating a VLAN To create a VLAN perform the following procedure 1 From the main menu select Static VLANs The 802 1Q Static VLAN page is show...

Страница 44: ...an untagged port 6 To select the ports you want to assign to the VLAN do one of the following In the None row click the port that you do not want to be included in the VLAN In the VLAN Member row sele...

Страница 45: ...e for that VLAN is displayed as shown in Figure 16 on page 43 3 Make your changes to the VLAN 4 Click Apply to implement your changes 5 To save the settings to the configuration file from the main men...

Страница 46: ...s connected to each room or apartment and identifying them as isolated ports and then connecting one port to the WAN In Figure 18 the connection to the WAN is assigned to fiber port 8 This port is con...

Страница 47: ...rt The Protected Port page is shown in Figure 20 Figure 20 Protected Port Page 2 Determine which port s will be the Primary port s 3 Click the box on the Isolated row for all ports that you want to is...

Страница 48: ...Chapter 5 VLANs 48...

Страница 49: ...sing the Menus Interface 49 Chapter 6 Class of Service This chapter contains the following sections Class of Service Overview on page 50 Mapping Priorities to Queues on page 53 Setting Up the Schedule...

Страница 50: ...suffer CoS allows you to manage the flow of traffic through a switch by setting the switch ports to give higher priority to some packets such as delay sensitive traffic over other packets This is refe...

Страница 51: ...it instead just send a few packets from each queue and if so how many This control mechanism is called scheduling Scheduling determines the order in which a port handles the packets in its egress queu...

Страница 52: ...f Service 52 example In this example the port transmits a maximum of 25 packets from Q3 then 15 packets from Q2 and so forth Table 2 Scheduling Example Port Egress Queue Maximum Number of Packets Q0 1...

Страница 53: ...page is shown in Figure 21 Figure 21 CoS Priority to Queue Page The default queue for each priority is displayed 2 To set the queue associated with a priority select a new queue from the adjacent list...

Страница 54: ...heduling The CoS Output Scheduling page is shown in Figure 21 Figure 22 Output Scheduling Page 2 To set the weight for a queue go to that queue and type a number 3 Click Apply to implement your change...

Страница 55: ...CoS Port Priority Assignment Page 2 Choose the port you want to set using the From and To lists You can select one port From 2 To 2 for example or a range of ports From 1 To 5 for example 3 To set the...

Страница 56: ...Chapter 6 Class of Service 56...

Страница 57: ...the Menus Interface 57 Chapter 7 Spanning Tree Protocol STP This chapter contains the following sections Spanning Tree Overview on page 58 Configuring Spanning Tree on page 67 Configuring STP Port Set...

Страница 58: ...s convergence When a change is made to the network topology such as the addition of a new bridge a spanning tree protocol must determine whether there are redundant paths that must be blocked to preve...

Страница 59: ...ne is found they must select a preferred path while placing the redundant paths in a backup or blocking state Where there is only one path between a bridge and the root bridge the bridge is referred t...

Страница 60: ...tomatically sets the port cost according to the speed of the port assigning a lower value for higher speeds Table 6 lists the STP port costs Table 5 lists the STP port costs with Auto when a port is p...

Страница 61: ...default value is 128 which is increment 8 Forwarding Delay and Topology Changes If there is a change in the network topology due to a failure removal or addition of any active components the active t...

Страница 62: ...t a topology change is unnecessarily delayed which could result in the delay or loss of some data packets Note The forwarding delay parameter applies only to ports on the switch that are operating STP...

Страница 63: ...t port Figure 24 illustrates two AT GS950 8 WebSmart switches that have been connected with one data link With the link operating in full duplex the ports are point to point ports Figure 24 Point to P...

Страница 64: ...a bridge port is point to point edge or both can be a bit confusing For that reason do not change the default values for this RSTP feature unless you have a good grasp of the concept In most cases the...

Страница 65: ...ee crosses the VLAN boundaries This point can pose a problem in networks containing multiple VLANs that span different switches and are connected with untagged ports In this situation STP blocks a dat...

Страница 66: ...Chapter 7 Spanning Tree Protocol STP 66 information on tagged and untagged ports refer to Chapter 5 VLANs on page 37...

Страница 67: ...Settings Page 2 From the STP Version list select STP or RSTP 3 In the Bridge Max Age field enter a number for the length of time after which stored bridge protocol data units BPDUs are deleted by the...

Страница 68: ...s 6 In the Bridge Priority field enter a number for the priority number for the bridge This number is used to determine the root bridge for RSTP The bridge with the lowest priority number is selected...

Страница 69: ...h processes the BPDU packets Allied Telesis recommends that you choose this setting 10 Click Apply To configure the ports refer to Configuring STP Port Settings next 11 To save the settings to the con...

Страница 70: ...ect one of the following Enabled Enables the port for spanning tree This is the default Disabled Disables spanning tree on the port 4 In the Cost box type a number for the cost or type 0 for Auto auto...

Страница 71: ...DUs on an RSTP port the port transmits STP BPDUs The RSTP port continues to transmit STP BPDUs indefinitely 7 From the Edge list select one of the following False The port does not function as an edge...

Страница 72: ...Chapter 7 Spanning Tree Protocol STP 72...

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