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Asante AsantéBridge 1012 User Manual

Asante bridge user's guide
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  • Page 1 AsantéBridge 1012 Users’ Guide...

  • Page 2: Software License Agreement

    Printed in the United States of America. Manual Reorder # 06-00012-00 Trademarks Ante Technologies, AsantéView, and AsantéHub 1012 are trademarks of Asanté Technologies, Inc. Microsoft, MS, MS-DOS, and Windows are registered trademarks of Microsoft, Inc. 386 and 486 are trademarks of Intel Corporation.

  • Page 3: Tell Us What You Think

    Tell Us What There’s always room for improvement and Asanté Technologies is always interested in your comments and suggestions about our You Think product documentation. If you take the time to make suggess- tions, we will take the time to read and consider them for new documentation releases.

  • Page 5: Table Of Contents

    Quick Start 1-1 Before You Start 1-2 Introducing the AsantéBridge 1-3 AsantéBridge Features 1-5 Quick View 1-6 AsantéBridge 1012 Front Panel 1-6 AsantéBridge 1012 Rear Panel 1-9 Interpreting LEDs 1-12 Installing the AsantéBridge 1012 1-13 Preparing for the Installation 1-13 What You’re Going to Do 1-14...
  • Page 6 Connecting Your Asanté Management Station for Out-of-Band Management 2-18 Configuring Hub DIP Switches 2-20 Connecting a VT100 Terminal 2-21 Default Settings 2-22 AsantéBridge 1012 Local Management 3-1 Before you start 3-2 Bridge Diagnostics 3-3 Local Management Menu System 3-4 General Help Menu 3-6...
  • Page 7 List of Figures Figure 1-1 The AsantéBridge 1012 page 1-3 Figure 1-2 Bridging between two segments page 1-4 Figure 1-3 AsantéBridge 1012 Front Panel page 1-6 Figure 1-4 AsantéBridge 1012 Front Panel page 1-8 Figure 1-5 AsantéBridge 1012 Rear Panel page 1-9...
  • Page 8 Figure 3-18 Editing the Forwarding Table page 3-31 Figure 3-19 Searching for an Address page 3-32 Figure 3-20 Bridge Filtering Table page 3-34 Figure 3-21 Resetting the Bridge page 3-36 Figure 3-23 Bridge Statistics page 3-38 Figure A-1 Dummy Entry page A-2 Figure B-1 Dummy Entry page B-3 Figure C-1 RJ-45 to RJ-21 Pinouts page C-2 Figure C-2 Single Device Link —...
  • Page 9 Introduction...

  • Page 10: About This Manual

    Suggestions for connecting the bridge to your network and using the bridge for out-of-band management with AsantéView 2.2. Chapter 3 — AsantéBridge 1012 Local Management How to monitor, configure, and control your AsantéBridge using the local management port and a VT100 terminal.

  • Page 11: Intended Audience

    When certain information is noteworthy, it is presented in a spe- cial format: Note: You must have AsantéView 2.2 In-Band to mange the AsantéBridge 1012. When information is especially following format: Important: The software update function is complex and should be understood before you attempt it.

  • Page 12: Tell Us What Your Think

    Introduction Tell Us What You Think Technical Support Page iv There’s always room for improvement and Asanté Technologies is always interested in your comments and suggestions about our product documentation. This is especially true for a beta manual like this one. Please take the time to review the manual as care- fully as possible.

  • Page 13: Quick Start

    • Before You Start on page 1-2 • Introducing the AsantéBridge on page 1-3 • Quick View on page 1-6 • Installing the AsantéBridge 1012 on page 1-13 Quick Start...

  • Page 14: Chapter 1 - Quick Start

    AsantéBridge 1012, explaining the use and interpretation of all controls, connectors, and LEDs. Installing the AsantéBridge 1012 installation process. The AsantéBridge 1012 is designed as a “plug and play” network device — just follow the simple instructions. No specialized technical knowledge is necessary.

  • Page 15: Introducing The Asantébridge

    Figure 1-1 The AsantéBridge 1012 The bridge provides connections between two network seg- ments: One segment is the 1012 hub itself, to which you can con- nect other hubs, another backbone, or other network devices. The second segment is connected via an AUI connector on the back of the AsantéBridge 1012 unit.
  • Page 16 Chapter 1 — Quick Start Thin Ethernet connected to hub 3in1 port ASANTE 0000944007B3 Segment B 10Base5 backbone Thin Ethernet connected to hub 3in1 port AsantéHub 1012 ASANTE RESET 0000944007B3 Page 1-4 Thin Ethernet connected to hub 3in1 port Thin Ethernet connected to hub 3in1 port AsantéHub 1012...

  • Page 17: Asantébridge Features

    The high performance RISC processor with expandable memory and FLASH EPROM make the AsantéBridge 1012 a power- ful “Application Engine” for future internetworking technologies. AsantéBridge 1012 also includes SNMP capabilities and is a com- plete plug-in replacement for users of the AsantéHub 1012’s cur-...

  • Page 18: Quick View

    RJ45 Port Connectors Figure 1-3 AsantéBridge 1012 Front Panel Physical Address This is the physical address of this AsantéBridge 1012; preset at the factory and cannot be modified. Reset button Allows you to reset all bridge and hub software. Any packets currently buffered are lost.
  • Page 19 SNMP LED Flashes when the SNMP agent module is installed in the AsantéBridge 1012. MSG LED If on, status messages are waiting; you must use AsantéView to read them. Hub Utilization LEDs This top row of eight LEDs indicates an approximation of hub segment (not bridge) bandwidth utilized at any given time.
  • Page 20 Partition LEDs Port Status LEDs PARTITION BRIDGE EXT PORT U PL I N K LINK/RECEIVE Port Link/Receive LEDs RJ45 Port Connectors Figure 1-4 AsantéBridge 1012 Front Panel Bridge Hub Port Status LEDs STATUS STANDBY ACTIVE AsantéHub 1012 10BASE-T PORTS BRIDGE...

  • Page 21: Asantébridge 1012 Rear Panel

    IN or OUT 3-IN-1 UPLINK RJ21 Port Connector 3in1 Port: RJ45 In/Out The AsantéBridge 1012 rear panel provides the following connec- tors: 50-pin Telco 3-in-1 Uplink (network) two LED status indicators for the uplink RS 232 port for PC or terminal connection...
  • Page 22 Chapter 1 — Quick Start Page 1-10 Bridge External Port AUI This AUI port is the external port for the bridge (not the hub), which is used to connect the bridge to a segment in your net- work. The actual connection should be made using a MAU with the appropriate network media connector.

  • Page 23: Ac Power Connector

    DOWN on all hubs on the out-of-band daisychain This is a small cooling fan for the AsantéBridge 1012. The fan should turn on when the unit is powered on. Do not operate the hub if the fan does not come on.

  • Page 24: Interpreting Leds

    Not transmitting configuration data Figure 1-6 Interpreting LED Status Indicators See “AsantéBridge 1012 Front Panel” on page 1-6 for expanded definitions for all LEDs on the AsantéBridge 1012 front panel. LED Key FLASHING 1, 2 Late Collision Misaligned/CRC error...

  • Page 25: Doing The Installation

    Installing the AsantéBridge 1012 This section tells you how to quickly install your new AsantéBridge 1012 between two segments in a network and how to connect other network devices to the RJ45 ports. This is a very simple installation guide designed to get your AsantéBridge up and running with minimum effort.

  • Page 26: Basic Installation Procedures

    You need the appropriate tools for attaching BNC connectors to Ethernet coaxial cable, and a small Phillips screwdriver to con- nect the MAUs. Installing your AsantéBridge 1012 is a simple five step procedure: Unpack your AsantéBridge Physically position the unit, either on a desktop or with...
  • Page 27 Positioning the AsantéBridge 1012 Power Cord Maximum 6 ft Air flow 2 in. UTILIZATION ASANTE RESET NMP MSG Late Collision Misaligned CRC Runts/Fragments COLLISION Short Event/Missing SFD The AsantéBridge can be positioned on any flat surface (a desktop, table, or other work surface), or it can be mounted on a wall or in a rack.
  • Page 28 BRIDGE SNMP UPL I N K LINK/RECEIVE COLLISION Figure 1-9 Rack-mounting the AsantéBridge Note: To wall mount, rotate the mounting brackets 90 and use the appropriate screws to fasten to the wall. STATUS STANDBY ACTIVE Asante´Hub 1012 10BASE-T PORTS BRIDGE...
  • Page 29 After the self-test is passed, the LEDs assume normal status. For a stand-alone hub, the PWR LED (green) is on and the SNMP and CPU LED is blinking. See “AsantéBridge 1012 Front Panel” on page 1-6 for the location of these LEDs.
  • Page 30 AsantéBridge itself. The AsantéBridge 1012 has two ports: an external port and the hub port. As described earlier, the hub portion of the device is actually the hub port. In this procedure, you connect one seg- ment to the external port, and the other segment to the hub port.
  • Page 31 IEEE 802.1d spanning tree algorithm, it will to participate in the spanning tree algorithm. You do not need to take any special steps to prepare or configure the bridge. Installing the AsantéBridge 1012 external port 2A/250V Slow Blow Fuse Replace Only With Fuse of Same Rating...
  • Page 32 Chapter 1 — Quick Start Connecting Devices to the AsantéBridge 1012 ASANTE RESET 0000944007B3 Page 1-20 Now that you have pretested your AsantéBridge and have con- nected it into your network as a bridge, the last step is to connect Ethernet devices to the hub portion of the unit.

  • Page 33: Configuration Options

    Now that you have completed a quick installation for your new Options AsantéBridge 1012, you should explore different ways to config- ure it in your network and learn how to manage it, using either AsantéView 2.2 network management software or a local manage- ment terminal.
  • Page 34 Chapter 1 — Quick Start Page 1-22...

  • Page 35: About Bridging

    Connecting to the Network • Before You Start on page 2-2 • About Bridging on page 2-3 • Using the 3in1 Port on page 2-8 • Configuring a Redundant Link on page 2-14 • Setting Up Out-of-Band Links on page 2-17 •...

  • Page 36: Chapter 2 - Connecting To The Network

    The chapter opens with About Bridging transparent learning bridges and how these features are imple- mented in the AsantéBridge 1012. Using the 3in1 Port gives practical guidelines for connecting to your network using any of three possible methods: AUI, BNC, or an RJ45 In/Out link.

  • Page 37: About Bridging

    The AsantéBridge 1012 has combined the world of a transparent About learning bridge with the intelligence of the AsantéHub 1012. This Bridging section gives you a brief introduction to bridging and how it is implemented by your new AsantéBridge. The purpose of any bridge is to provide a link between two dis-...

  • Page 38: A Simple Transparent Bridge

    3in1 port ASANTE 0000944007B3 Segment B 10Base5 backbone Thin Ethernet connected to hub 3in1 port AsantéHub 1012 ASANTE RESET 0000944007B3 Page 2-4 The more hubs and users added, the more traffic occurs on the backbone, until we eventually reach a point at which overall net- work performance begins to degrade.
  • Page 39 About Bridging The transparent bridge shown here serves to isolate the two seg- ments: Network traffic meant only for devices on segment A is lim- ited to the backbone serving segment A. These packets are not passed across the bridge. Traffic on segment B is also restricted to that segment.

  • Page 40: A Spanning Tree

    AsantéHub 1012 AsantéHub 1012 ASANTE RESET 0000944007B3 10BaseT to network devices AsantéHub 1012 AsantéHub 1012 AsantéHub 1012 ASANTE RESET 0000944007B3 10BaseT to AsantéHub 1012 network devices AsantéBridge 1012 Number 2 Standby AsantéHub 1012 Bridge ASANTE RESET 0000944007B3 BRIDGE AsantéHub 1012...
  • Page 41 (after a short time period) reconfigures itself as the active bridge, and inter-segment transmissions will continue normally. For a complete description of all spanning tree configuration parameters, see Chapter 3, “AsantéBridge 1012 Local Management.” Page 2-7...

  • Page 42: Using The 3In1 Port

    Chapter 2 — Connecting to the Network Using the 3in1 Port Connecting to the BNC Port Page 2-8 The 3in1 port is actually a single port with three connectors: an AUI, RJ45, and BNC. Port connection is made using one of the fol- lowing: The AsantéBridge can automatically select a port con- nector to use;...
  • Page 43 Figure 2-4 Interconnecting Hubs on Thin Ethernet Backbone Note: The terminator may be used either at one end of a T-connector, or at the end of a cable. Using the 3in1 Port AsantéBridge 1012 2A/250V Slow Blow Fuse Replace Only With Fuse of Same Rating THROUGH...

  • Page 44: Connecting To The Aui Port

    Chapter 2 — Connecting to the Network Connecting to the AUI Port Page 2-10 AUI port is typically used to interconnect hubs using a fiber or thick Ethernet backbone, as illustrated in Figure 2-5 and Figure 2-6. It can also be used to interconnect hubs using a variety of media, such as unshielded twisted-pair, depending on the external transceiver you connect to the port.
  • Page 45 AsantéBridge 1012 RS232 AMS LINK RJ21 10 BASE-T PORTS IN or OUT UP=PC PARTITION 3-IN-1 UPLINK DOWN=TERMINAL TRAFFIC Drop Cable Tranceivers AsantéHub 1012 RS232 AMS LINK RJ21 10 BASE-T PORTS IN or OUT UP=PC PARTITION 3-IN-1 UPLINK DOWN=TERMINAL TRAFFIC AsantéHub 1012...

  • Page 46: Connecting To The Rj45 In And Out Ports

    Connect one end of the RJ45extension cable to the rear panel RJ45 OUT (black colored) port of the AsantéBridge 1012. Connect the other RJ45 jack to a front panel port on hub Connect the next extension cable being between the rear panel RJ45 OUT (black colored) port of hub #2, and a front panel port on hub #3.
  • Page 47 RJ21 10 BASE-T PORTS IN or OUT 3-IN-1 UPLINK Figure 2-7 Connecting an In-Band Daisychaining Using the 3in1 Port AsantéBridge 1012 2A/250V Slow Blow Fuse Replace Only With Fuse of Same Rating THROUGH AMS LINK UP=PC Spare Fuse in Fuse Holder DOWN=TERMINAL AsantéHub 1012...

  • Page 48: Configuring A Redundant Link

    For example, thin Ethernet (BNC) wiring could be used as a backup to a twisted-pair (10BaseT) backbone. Redundant links work because the AsantéBridge 1012, using Auto- sense, can determine what media types are available and there- fore, what connection it should use as the uplink.

  • Page 49: An Example Configuration

    3-IN-1 UPLINK Configuring a Redundant Link Segment B Thin Ethernet Backbone for Segment B connected to bridge external port with a MAU AsantéBridge 1012 (Main Hub) 2A/250V Slow Blow Fuse Replace Only With Fuse of Same Rating THROUGH RS232 AMS LINK...
  • Page 50 Chapter 2 — Connecting to the Network If the Main Hub Goes Down If a Link Goes Down to the Main Hub Page 2-16 In Figure 2-8, there are three AsantéHubs and an AsantéBridge in the network. These devices have workstations, printers, etc. con- nected to their twelve front panel ports.

  • Page 51: Setting Up Out-Of-Band Links

    Station is connected. You interconnect AsantéHubs and AsantéBridges using the AMS Link ports found on the rear panel of the AsantéBridge 1012 and AsantéHub 1012, and the Network Management Module of the AsantéHub 2072. Logically, the arrangement looks like this:...

  • Page 52: Connecting Your Asanté Management Station For Out-Of-Band Management

    With Hub #1, the station is connected to one of the hub AMS Link ports using the AMS Link Extender provided with the AsantéBridge 1012 and is actually part of the daisychain itself. The station could also have been connected to the AMS Link port on Hub #3 at the other end of the chain.

  • Page 53: Recommended Method

    AMS Link Extender Connect the RJ45 connector on the AMS Link Extender to AMS Link Port on the rear panel of the AsantéBridge 1012 as shown in Figure 2-11 2A/250V Slow Blow Fuse Replace Only With Fuse of Same Rating THROUGH...

  • Page 54: Configuring Hub Dip Switches

    Page 2-20 There are two DIP switches located to the right of the AMS Link ports on the rear panel of the AsantéBridge 1012. These two switches are set up according to how the AsantéBridge is posi- tioned in the out-of-band daisychain and how you are connecting your Asanté...

  • Page 55: Connecting A Vt100 Terminal

    Connecting a VT100 Terminal The bridge can be configured and monitored through a direct serial connection to the bridge RS232 port on the rear of the bridge unit. The bridge functions as a DCE; the terminal must be DTE. You must use an RS232 straight-through serial cable to connect the bridge serial port to your Macintosh or PC.

  • Page 56: Default Settings

    Modem Dial string: none Page 2-22 Table 2-2 lists the factory default settings. Table 2-2 AsantéHub 1012 Factory Default Settings To Modify If you are using AsantéHub with a pre-10BaseT device, disable Link Integrity. (You will not be able to obtain link integrity status from disabled ports.)

  • Page 57: General Help Menu

    AsantéBridge 1012 Local Management • Before You Start on page 3-2 • Bridge Diagnostics on page 3-3 • Local Management Menu System on page 3-4 • General Help Menu on page 3-6 • Configuration Menu System on page 3-7 •...

  • Page 58: Chapter 3 - Asantébridge 1012 Local Management

    Filtering Table Page 3-33 Page 3-2 The AsantéBridge 1012 can automatically integrate itself into your network environment without any programming or other user intervention other than connecting to two network segments and powering it on. However, there are extensive management func- tions available through the local management port.

  • Page 59: Bridge Diagnostics

    Bridge Diagnostics The AsantéBridge 1012 is equipped with on-board diagnostics that Bridge run when the bridge is powered on (cold start) or when reset, Diagnostics either from the front panel or with the Reset system command from the local management Configuration Menu...
  • Page 60 Local Management Page 3-4 All AsantéBridge 1012 functions can be configured using a VT100 terminal (or a Macintosh or PC running VT100 terminal emulation software). All necessary commands and functions are stored in bridge memory — no special software is required other than the terminal emulator if you are using a Mac or a PC.

  • Page 61: Local Management Menu System

    To disconnect from the AsantéBridge 1012, use the appro- priate VT100 command. This command may vary depend- ing upon what terminal emulation software you are using. Please see the documentation accompanying your emula- tion software for instructions. Important: Some areas of the local management menu system are password protected.

  • Page 62: General Help Menu

    General Help Menu Page 3-6 The AsantéBridge 1012 VT100 local management port uses a vari- ety of control characters (special keyboard characters) to control editing on screen. This help screen tells what editing commands are available and what they do.

  • Page 63: Configuration Menu System

    Configuration Menu System Accessing the Configuration Menu system The main configuration menu, accessed only after entering a pass- word, provides submenus and commands for: Figure 3-4 Main Configuration Menu Checking and updating contained in bridge memory) Defining a new password for the Checking and updating the Displaying and modifying the ters Menu...
  • Page 64 Chapter 3 — AsantéBridge 1012 Local Management Page 3-8 Reset System item is a command. Selecting this item and pressing return opens a confirmation dialog. You must confirm that you want the unit reset before the command is actually executed.

  • Page 65: System Information Menu

    The System Information menu stores text information in the System bridge memory. Information Menu To use the System Information menu, do the following: Figure 3-5 System Information Window Bridge/Hub MAC Address address assigned to the bridge and hub. This field cannot be modified.

  • Page 66: Password Menu

    Chapter 3 — AsantéBridge 1012 Local Management Password Menu Page 3-10 Access to all bridge configuration functions is password pro- tected. The password is stored in bridge memory. The default pass- word is Asanté . Be sure to enter it exactly as shown here; the password field is case sensitive.

  • Page 67: Snmp Agent Parameters Menu System

    Access SNMP Trap Receiver Table Access SNMP Community Name Table Note: The SNMP parameters apply to both the hub and bridge modules in the AsantéBridge 1012. The entire unit has just one Ethernet address and one IP address. Use the select the submenu you want and then press This will open the selected menu window.
  • Page 68 Chapter 3 — AsantéBridge 1012 Local Management TCP/IP Parameters Menu Page 3-12 The IP address, subnet mask and default router IP address for the bridge and hub are set from this menu. Figure 3-8 TCP/IP Parameters Menu Important: You should understand how IP addressing works before you attempt to modify any of these param- eters.

  • Page 69: Software Update Menu

    Go to the Configuration Menu the changes into effect. Software Update Menu Figure 3-9 Software Update Menu The Software Update menu provides the following information: Tells the bridge to execute a boot operation and to get the boot image from a remote server. The server must be capable of supporting network file transfers using the tftp bootp...
  • Page 70 files from a server somewhere on the net- work that the bridge is connected to. Each AsantéBridge 1012 is shipped from the factory with a com- plete set of image code for both the hub and bridge residing in memory.
  • Page 71 Instead, the bridge resets and then makes another attempt to download new software, using the same set of parameters it had before. This cycle continues until: The required configuration and image files are loaded The cycle is interrupted by entering VT100 Entering control-c...
  • Page 72 Chapter 3 — AsantéBridge 1012 Local Management Page 3-16 Enter control-z to return to the Menu without taking any action. If the software download process fails and you enter a from the VT100, the AsantéBridge opens this window. Figure 3-10 System Update Status Window This window gives the currently defined SNMP and software...
  • Page 73 Configuration Menu System If the update is not successful, entering a control-c stops the pro- cess and reopens the Update Status window, this time with all the fields open for editing. This enables you to either fix the cause of the update failure and restart the process or to abort the process altogether and tell the bridge to boot from its own PROM.
  • Page 74 Chapter 3 — AsantéBridge 1012 Local Management SNMP Trap Receiver Table Page 3-18 Figure 3-11 SNMP Trap Receiver Table You can define up to four trap receivers for the bridge. A valid trap receiver is a Macintosh or PC running AsantéView 2.0 or later.
  • Page 75 Press return to set the new value. Repeat steps 1-3 for any other fields you want to modify. Highlight the COMMUNITY STRING address you want and press bar. Enter the new string; press Repeat steps for the other community string fields. Highlight the STATUS This is a toggle.
  • Page 76 Chapter 3 — AsantéBridge 1012 Local Management Page 3-20 This table allows you to control access to SNMP MIB objects. All data fields initially display the parameter values contained in bridge memory at the time this menu is opened. SNMP_COMMUNITY_STRING This string provides names for the SNMP communities (logical groups of SNMP objects).

  • Page 77: Out-Of-Band Parameters Menu

    Defines data communication and user password parameters for Out-of-Band accessing the bridge using AsantéView Out-of-Band network man- Parameters Menu agement software and an RS 232 modem connection. Figure 3-13 Out-of-Band Parameters Menu Out-of-Band Baud Rate incoming calls and outgoing calls. It can be set to a max- imum of 9600 baud.
  • Page 78 Chapter 3 — AsantéBridge 1012 Local Management Page 3-22 Enter the new password and press many as fifteen characters. Enter to return to the control-z return . You can enter as Configuration Menu...

  • Page 79: Bridge Parameters Menu System

    This menu provides submenus used to configure AsantéBridge Bridge Parameters 1012 features only. There are submenus for: Menu System Setting bridge spanning tree parameters Setting bridge port spanning tree parameters Accessing and defining entries in the bridge forwarding table Accessing and defining entries in the bridge filtering...
  • Page 80 Chapter 3 — AsantéBridge 1012 Local Management Spanning Tree Bridge Parameters Menu Page 3-24 Figure 3-15 Spanning Tree Bridge Parameters Menu Only the fields displayed in bold type can be edited; the bold- face type fields are read only. Bridge ID: the unique bridge identification tag assigned...
  • Page 81 These parameters can change rapidly depending on spanning tree activity. To update the window, enter Use the Up/Down arrow keys to modify; press return Press control-u to erase the current data and then enter the new parameter in the data entry bar, then press Repeat steps1-2 for any other fields you want to modify.
  • Page 82 Ext/Hub Port fields are toggles; press the alternate between enabled and disabled. The AsantéBridge 1012 requires that you confirm changing the field. All other fields are data entry. Select the field and press return to open the data entry bar at the bottom of the win- dow.

  • Page 83: Bridge Forwarding Table

    To do this, the bridge must know what devices are on each of the segments its ports are connected to. The bridge main- tains this device location data in its forwarding table. The AsantéBridge 1012 acquires forwarding table data in two ways: Device segment locations can be manually loaded into the table, using either the VT100 local management port or AsantéView 2.2.
  • Page 84 Chapter 3 — AsantéBridge 1012 Local Management Page 3-28 Edit brings up the table editor, where you can add, delete, and modify Ethernet addresses Search opens the search utility, where you can look for a specific address or go to a specific page in the table...
  • Page 85 The alphabetic portion of the field defines the type of entry. Table 3-1 Forwarding Table Mode Alphabetic Entries Entry Definition Broadcast; cannot be added, deleted, or modified Dynamic; added dynamically when bridge learns a new address Cannot be manually added, can be deleted, can be modified if con- verted to a static entry Management;...
  • Page 86 Chapter 3 — AsantéBridge 1012 Local Management Page 3-30 When a device on either segment transmits, its packets are read by the bridge. The bridge reads the the packets and writes that address into the table as a dynamic entry with a tag associating it with the segment it was received on.
  • Page 87 Using the Edit Function Figure 3-18 Editing the Forwarding Table To use the Search Function, do the following: Use the Left/Right arrow keys Press return The table editor displays. Here you can add, delete, or modify table entries. Use the Left/Right arrow keys tion you want and then press lets you add another address to the table.
  • Page 88 Chapter 3 — AsantéBridge 1012 Local Management Page 3-32 Using the Search Function Figure 3-19 Searching for an Address To use the Search Function, do the following: Use the Left/Right arrow keys then press return The Search Function window displays.

  • Page 89: Bridge Filtering Table

    Bridge Filtering Table About the Filtering Table The filtering table should be viewed as ters that determine whether any given packet is forwarded from one segment to the other. Each parameter set contains three ranges and an ON/OFF switch. The following flowchart shows packet flow in the pipeline. Read packet Status for Set 1 ON or OFF...
  • Page 90 Chapter 3 — AsantéBridge 1012 Local Management Page 3-34 Each range within the set acts as a filter in a pipeline. A packet has to get past all three filters to completely traverse the pipeline and be forwarded (or discarded, according to how the filter mode is set).
  • Page 91 Status enables or disables the filtering function for this range of addresses. To use the Bridge Filtering Table, do the following: Use the arrow keys to highlight the and press return The current value in the field is displayed in the data entry bar at the bottom of the window.

  • Page 92: Resetting The Bridge

    Chapter 3 — AsantéBridge 1012 Local Management Resetting the Bridge Page 3-36 You can reset the AsantéBridge 1012 in three different ways: Cycle the power . This resets both the bridge and hub portions of the device. The repeater is not affected.
  • Page 93 Configuration Menu System Erases static forwarding addresses configured for delete on reset Does not affect the password for the Configuration Menu Retains any new settings for IP address, IP mask, and default router IP address Page 3-37...

  • Page 94: Statistics Menu System

    Chapter 3 — AsantéBridge 1012 Local Management Statistics Menu System Page 3-38 The AsantéBridge 1012 provides several counters that monitor traffic on both bridge ports. A password is not required to access the statistics counters. Just select the Bridge Statistics...

  • Page 95: Support For Pre 10Baset Devices

    Support for Pre 10BaseT Devices...
  • Page 96 First, check with the vendor to make sure disabling the Link Integrity makes the card compatible with the AsantéHub 1012. Then do the following steps: Determine which port number the workstation is wired to on the AsantéHub.

  • Page 97: Technical Specifications

    Technical Specifications...
  • Page 98 Appendix B — Technical Specifications Page B-2 This appendix describes the technical features of the AsantéBridge 1012. Standards Supported: IEEE 802.3 Ethernet specifications for thick (10Base5), thin (10Base2), and unshielded twisted pair (10BaseT) media IEEE 802.1d specifications for transparent bridging with spanning...
  • Page 99 1 to show Uplink Link/Receive Status (rear panel) 3 to show received packets, forwarded packets, collisions on external bridge port 3 to show received packets, forwarded packets, collisions on hub bridge port 3 to show bridge status within a spanning tree Power Requirements: Input Voltage: 100-250 VAC, 47-63 Hz single phase;...
  • Page 100 Appendix B — Technical Specifications Page B-4...

  • Page 101: Pinouts And Cable Specifications

    Pinouts and Cable Specifications...
  • Page 102 Appendix C — Pinouts and Cable Specifications RJ-45 to RJ-21 Pinouts (Amphenol to Modular Jack) Page C-2 The Amphenol modular 50-pin connector establishes connections to the 8-pin modular jack through the network (hub) and distribu- tion (house) punchdown blocks as illustrated in Figure C-1. Wire jacket colors may vary.
  • Page 103 Figure C-2 Single Device Link — Amphenol Connector to 8-Pin Modular Jack 50-pin cable connector Hub Punchdown Block 8 Pin Modular Jack Page C-3...
  • Page 104 Appendix C — Pinouts and Cable Specifications RJ-45 Modular Jack to Wall Jack Pinouts RJ-45 to RJ-45 Crossover Cable Page C-4 These pin numbers are for an Asanté 10BaseT card or MAU posi- tioned correctly with the notch on the 8-pin modular jack down. Pin 1 is the leftmost pin, and pin 8 is the right-most pin.
  • Page 105 AUI (DB-15) Pinouts Table C-1 AUI Pinouts Circuit DO S DI S CO S CI S Shell Signal Name Data Out positive Data Out negative Data Out circuit Shield Data In circuit positive Data In circuit negative Data In circuit Shield Control Out positive (optional) Control Out negative (optional) Control Out Shield (optional)
  • Page 106 Appendix C — Pinouts and Cable Specifications Page C-6...
  • Page 107 Configuration 2-3 Configuring a Redundant Link 2-14 Connecting a VT100 Terminal 2-21 Connecting Devices to the AsantéBridge 1012 1-20 Connecting Hubs on Thin Ethernet Backbone 2-9 Connecting to the AUI Port 2-10 Connecting to the RJ45 IN and Out Ports 2-12 Connecting Two Segments to the AsantéBridge 1-18...
  • Page 108 Hub Utilization LEDs 1-7 IEEE 802.1d bridge spanning tree algorithm 1-5 IETF- defined MIB for bridge management 1-5 in-band daisychain 2-12 Installation Connecting Devices to the AsantéBridge 1012 1-20 1-21 Connecting Two Segments to the AsantéBridge 1- 1-19 Environmental restrictions 1-15 Locating Your AsantéBridge 1012 1-15...
  • Page 109 VT100 3-4 VT100 Terminal Connecting 2-21 VT100 terminal 3-4 Wall or rack mounting the AsantéBridge 1-16 Window 3-3 Numerics 3in1 Port 1-9 3in1 Port Partition and Traffic LEDs 1-10 AsantéBridge 1012 Index 3-16 3-17 3-19 3-21 3-23 Page iii 3-34...
  • Page 110 AsantéBridge 1012 Index Manual P/N 06-00089-00 Page iv...

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