Asante Technologies 1012 manuale d’uso

AsantéBridge 1012 Users’ Guide[...]

Information in this document is subject to change without notice and does not represent a commitment on the part of Asanté T echnologies, In., No part of this manual, or any associated art- work, software, product design or design concept, may be copied, reproduced or stored, in whole or in part, in any form or by any means mechanical, electronic,[...]

There’ s alwa ys room for impr ovement and Asanté T echnologies is alwa ys interested in your comments and sugg estions about our product documentation. If you take the time to make sugg ess- tions, we will take the time to read and consider them f or new documentation releases. Do us a fav or and read through this Users’ Guide and think a bou[...]

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T able of Contents Table of Contents Introduction i About This Manual ii Intended Audience iii Conventions Used In This Manual iii Tell Us What Your Think iv Technical Support iv 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[...]

T able of Contents Connecting to the AUI Port 2-10 Connecting to the RJ45 IN and Out Ports 2-12 Configuring a Redundant Link 2-14 Checking the Link 2-14 An Example Configuration 2-15 Setting Up Out-of-Band Links 2-17 Linking the Hubs Together 2-17 Connecting Your Asanté Management Station for Out-of-Band Management 2-18 Configuring Hub DIP Switche[...]

List of Figures 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 Figure 1-6 Interpreting LED Status Indicators page 1-12 Figure 1-7 Networ[...]

List of Figures 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 F[...]

Introduction[...]

Page ii Introduction This manual is divided into the f ollowing sections: Introduction The Introduction cov er s the intended audience, conventions used in this manual, questions addressed to the reader concern- ing this guide, and technical support information. Chapter 1 — Quick View An introduction to the AsantéBr idge and installations instru[...]

Page iii Intended Audience This manual is intended f or Ether net local area networ k (LAN) administrators. Although it assumes some familiar ity with the use of AsantéVie w 2.2 as a networ k mana g ement tool, the manual attempts to present inf or mation in a f or m under standable by peo- ple who do not have an in-depth understanding of networ k[...]

Page iv Introduction There’ s alwa ys room for impr ovement and Asanté T ec hnologies is alwa ys interested in your comments and sugg estions 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 possib le. W e depend on your f eedbac k to help us imp[...]

1 Quick Start • Before Y ou Start on page 1-2 • Introducing the AsantéBridge on page 1-3 • Quick V iew on page 1-6 • Installing the AsantéBridge 1012 on page 1-13[...]

Page 1-2 Chapter 1 — Quick Start This chapter is designed to g et you up and running with the mini- mum possible effort. Introducing the AsantéBridge tells you ho w the bridg e functions and acquaints you with its key featur es. Quick View takes you on a tour of the fr ont and rear panels of the AsantéBridge 1012, e xplaining the use and interp[...]

Page 1-3 Introducing the AsantéBridge The AsantéBridge 1012 is an AsantéHub 1012 that has a transpar - ent two port bridge contained in the same chassis. Logically , the AsantéBr idge looks like this: Figure 1-1 The AsantéBridge 1012 The bridge pro vides connections between two netw ork seg- ments: One segment is the 1012 hub itself, to whic h[...]

Page 1-4 Chapter 1 — Quick Start Figure 1-2 Bridging Between T wo Segments The bridge card pr ovides bridging between segment A and seg- ment B while the hub portion of the unit acts as a hub, connected to the backbone on segment B. Any devices connected to the hub are also part of segment B. If the bridge is configured to b lock transmission of[...]

Page 1-5 Introducing the AsantéBridge ❏ Fujitsu SP ARClite RISC processor providing line-speed f orwarding of data ❏ Expandable memor y and FLASH EPROM enable easy upgr ades to the br idge’ s features and make the AsantéBridge an “ Applications Engine” for future inter- networ king technologies. This investment protection guarantees tha[...]

Page 1-6 Chapter 1 — Quick Start Bef ore you install the AsantéBr idge 1012, y ou should become familiar with both the front and r ear panels. The following illustra- tions show the front and r ear panels. Sit down in front of y our unit and find each of the items sho wn in the illustrations, then locate the item in the f ollowing te xt. Look a[...]

Page 1-7 Quick View SNMP LED Flashes when the SNMP agent module is installed in the AsantéBridge 1012. MSG LED If on, status messages are w aiting; you must use AsantéVie w to read them. Hub Utilization LEDs This top row of eight LEDs indicates an approximation of hub segment (not bridge) bandwidth utilized at an y given time. Hub Status LEDs Thi[...]

Page 1-8 Chapter 1 — Quick Start Bridge External Port Status LED There are thr ee separate LEDs: RCV flashes when a packet is receiv ed on the e xter nal port. FWD flashes when a packet is f orwarded from the hub port to the e xter nal port. COL flashes when a packet collision is detected on the bridge e xter nal port. Bridge Spanning T r ee S[...]

Page 1-9 Quick View The AsantéBridge 1012 rear panel pro vides the following connec- tors: ❏ 50-pin T elco ❏ 3-in-1 Uplink (networ k) ❏ two LED status indicators for the uplink ❏ RS 232 port for PC or terminal connection ❏ dedicated AMS link ❏ e xter nal port for the bridge Figure 1-5 AsantéBridge 1012 Rear Panel RJ21 Port Connector U[...]

Page 1-10 Chapter 1 — Quick Start Bridge External Port AUI This A UI por t is the e xter nal port for the bridge (not the hub), which is used to connect the bridg e to a segment in your net- wor k. The actual connection should be made using a MA U with the appropriate network media connector . Bridge External Port Link/Receive LED This LED is on [...]

Page 1-11 Quick View Set the switc h on all other hubs in the daisychain to the UP position. Only one hub at the end of the daisychain can have this switch down. All others hubs in the chain must have it up. PC/T er minal DIP Switch This switc h controls the configuration f or the Bridge/Hub RS232 port and the AMS out-of-band link por ts. How you [...]

Page 1-12 Chapter 1 — Quick Start The AsantéBridge front panel LEDs pro vide status information on both ov erall device utilization and for specific configur ation and fault conditions. F igure 1-6 shows you ho w to interpret the dis- play . Figure 1-6 Interpr eting LED Status Indicators See “ AsantéBridge 1012 Fr ont P anel” on page 1-6 [...]

Page 1-13 Installing the AsantéBridge 1012 This section tells you ho w to quickly install y our new AsantéBridge 1012 betw een two segments in a networ k and how to connect other networ k devices to the RJ45 por ts. This is a ver y simple installation guide designed to g et your AsantéBridge up and running with minimum ef f or t. For more detail[...]

Page 1-14 Chapter 1 — Quick Start ❏ At least one device configured f or connection to your Ethernet. W e recommend that you use a Macintosh or PC with AsantéVie w 2.2 networ k mana g ement software installed, although you can use an y device that nor mally connects to and communicates ov er your Ethernet net- work . ❏ An RJ45 e xtension cab[...]

Page 1-15 Installing the AsantéBridge 1012 Positioning the AsantéBridge 1012 The AsantéBridge can be positioned on any flat surf ace (a desktop, table, or other wor k surf ace), or it can be mounted on a wall or in a rack. There are a f ew guidelines that should be f ollowed: ❏ Place the unit within six feet of an A C outlet. ❏ The unit mus[...]

Page 1-16 Chapter 1 — Quick Start Placing the Bridge on a Desktop 1 P eel the protective strips from the self-adhesive f eet and apply the f eet in the f our cor ner s of the base of the unit. 2 Place the unit on a flat, stable surface. Wall or rack mounting the Bridge 1 Mark the desir ed location on the wall or rack (see Appen- dix B, “T echn[...]

Page 1-17 Installing the AsantéBridge 1012 T ur ning on and Pretesting the Bridge If you ar e installing more than one unit, you ma y want to repeat this procedure f or eac h one bef or e making any device or netw or k connections. T ur ning on the Bridge 1 Attach the po wer cor d to the soc ket on the rear panel, and connect it to an A C outlet. [...]

Page 1-18 Chapter 1 — Quick Start 2 If the LINK/RECEIVE LED does not come on, use a nar row tool to reset the hub. (The Reset button is on the front panel.) The AsantéBr idg e rer uns all diagnostics, and you should see the self-test LED display described in the previ- ous step. If the test continues to fail, y ou may have a pr oblem with the de[...]

Page 1-19 Installing the AsantéBridge 1012 3 Connect the MA U to the AsantéBr idg e external port as shown below . Figure 1-10 Connecting to the Exter nal Port 4 Connect the remaining backbone cab le to another MA U, also with an A UI connector on the other end. Alternatively , you can prepare the cable with a male BNC connector . 5 Connect the s[...]

Page 1-20 Chapter 1 — Quick Start Connecting Devices to the AsantéBridge 1012 Now that y ou have pretested y our AsantéBr idge and hav e con- nected it into your netw ork as a bridge, the last step is to connect Ethernet devices to the hub por tion of the unit. The AsantéBridge provides tw o options for device connections: ❏ T welv e RJ-45 p[...]

Page 1-21 Installing the AsantéBridge 1012 Using the rear panel RJ21 connector Y ou can also access the twelv e hub por ts through a T elco punch- down bloc k connected to the RJ21 connector on the rear of the AsantéBridge. Y ou can connect some devices to the front panel RJ45 ports and some devices to the RJ21 port. The only restriction is that [...]

Page 1-22 Chapter 1 — Quick Start[...]

2 Connecting to the Network • Before Y ou 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 • Connecting a VT100 T erminal on page 2-21 • Default Settings on page 2-22[...]

Page 2-2 Chapter 2 — Connecting to the Network This chapter pr ovides detailed information about your AsantéBridge and some pointers on dif fer ent ways y ou can con- nect it to your netw ork. The chapter opens with About Bridging , a short introduction to transparent learning bridges and how these f eatures are imple- mented in the AsantéBridg[...]

Page 2-3 About Bridging The AsantéBridge 1012 has combined the world of a tr ansparent learning br idge with the intellig ence of the AsantéHub 1012. This section gives y ou a br ief introduction to bridging and how it is implemented by your new AsantéBr idg e. The purpose of any bridg e is to provide a link between tw o dis- crete segments of a[...]

Page 2-4 Chapter 2 — Connecting to the Network The more hubs and users added, the more traffic occur s on the backbone, until we ev entually r each a point at which o verall net- wor k performance begins to degrade. As a g eneral rule, bridges are typicall y required when user s begin to complain that response times are too g reat or file trans[...]

Page 2-5 About Bridging The transparent bridg e shown here ser ves to isolate the tw o seg- ments: Networ k traffic meant only f or devices on segment A is lim- ited to the backbone serving segment A. These packets are not passed across the bridge. T raf fic on segment B is also restricted to that segment. Only packets originating on one segment [...]

Page 2-6 Chapter 2 — Connecting to the Network Dividing your netw ork into tw o segments reduces your ov erall backbone traffic and improv e networ k ef ficiency , but also intro- duces a certain element of r isk: the br idge becomes the sole path between the tw o segments. If the br idge f ails for an y reason, devices on different segments wi[...]

Page 2-7 About Bridging Figure 2-3 Redundant bridging Internal br idge softw are will automatically designate one bridge as the “active” bridge and the other bridg e as the “standby” or blocking bridg e, preventing multiple transmissions of the same packet by both bridges. This software implements what is called a spanning tree algo- rithm [...]

Page 2-8 Chapter 2 — Connecting to the Network The 3in1 port is actually a single port with three connector s: an A UI, RJ45, and BNC. P or t connection is made using one of the fol- lowing: ❏ The AsantéBridge can automatically select a port con- nector to use; the connector selected depends on por t configuration: If only one connector is co[...]

Page 2-9 Using the 3in1 Port Figure 2-4 Interconnecting Hubs on Thin Ether net Backbone ❖ Note: The ter minator may be used either at one end of a T -connector , or at the end of a cable. ❖ RJ21 10 BASE-T PORTS IN or OUT AUI PARTITION TRAFFIC RS232 THROUGH AMS LINK UP=PC DOWN=TERMINAL END 3-IN-1 UPLINK BNC Spare Fuse in Fuse Holder 2A/250V Slow[...]

Page 2-10 Chapter 2 — Connecting to the Network The AUI port is typically used to inter connect hubs using a fiber or thick Ethernet backbone, as illustrated in F igure 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 e xternal transceiv er you connect to th[...]

Page 2-11 Using the 3in1 Port Figure 2-6 Inter connecting to Thick Ethernet Backbone RJ21 10 BASE-T PORTS IN or OUT AUI PARTITION TRAFFIC RS232 THROUGH AMS LINK UP=PC DOWN=TERMINAL END 3-IN-1 UPLINK BNC Spare Fuse in Fuse Holder 2A/250V Slow Blow Fuse Replace Only With Fuse of Same Rating RJ21 10 BASE-T PORTS IN or OUT AUI PARTITION TRAFFIC RS232 T[...]

Page 2-12 Chapter 2 — Connecting to the Network Y ou can connect an AsantéBr idg e to another hub using RJ45 e xtension cables to connect an RJ45 por t on the front panel to the RJ45 connector of another hub’ s 3in1 por t. This method is called an in-band daisychain and of fers an economical wa y to connect hubs tog ether . How ever , there ar[...]

Page 2-13 Using the 3in1 Port Figure 2-7 Connecting an In-Band Daisychaining RJ21 10 BASE-T PORTS IN or OUT AUI PARTITION TRAFFIC RS232 THROUGH AMS LINK UP=PC DOWN=TERMINAL END 3-IN-1 UPLINK BNC Spare Fuse in Fuse Holder 2A/250V Slow Blow Fuse Replace Only With Fuse of Same Rating RJ21 10 BASE-T PORTS IN or OUT AUI PARTITION TRAFFIC RS232 THROUGH A[...]

Page 2-14 Chapter 2 — Connecting to the Network One of the most common reasons f or a loss of netw ork services is damage to, or f ailure of, cabling inter connections. By taking advantag e of the “ A uto-sense” (The AsantéBridge 1012 automati- cally senses the pr esence of physical links connected to the 3in1 Uplink port), redundant netw or[...]

Page 2-15 Configuring a Redundant Link BNC: According to the priority scheme described a bove, BNC will not be the active uplink if either an A UI or 10T connection exists. Due to this ordering, if BNC is selected, it is assumed that this medium is the only type av ailable. There are diff erent redundant link cabling schemes whic h can be used to [...]

Page 2-16 Chapter 2 — Connecting to the Network In Figur e 2-8, there are three AsantéHubs and an AsantéBridge in the networ k. These devices have wor kstations, pr inter s, etc. con- nected to their twelv e front panel ports. These hubs (and their cli- ents) communicate with each other and to devices on the main networ k backbone through the m[...]

Page 2-17 Setting Up Out-of-Band Links Using AsantéVie w 2.2 Out-of-Band to manage y our new AsantéBridge 1012 requir es that you link your AsantéBr idg e 1012 into an out-of-band daisychain. This is very much like the in-band daisychain described earlier , e xcept that this ar rang ement is for networ k management onl y and is not par t of the [...]

Page 2-18 Chapter 2 — Connecting to the Network Figur e 2-9 shows onl y the out-of-band links in place. Y ou still need to connect a Macintosh or PC running Asantéview 2.2 Out-of-Band software. F igure 2-10 shows the three w ays that you can connect your Asanté Mana g ement Station for out-of-band manag ement. Figure 2-10 Connecting the Asanté[...]

Page 2-19 Setting Up Out-of-Band Links Recommended Method The recommended method f or connecting for out-of-band man- agement is with the AMS Link Extender included with y our AsantéBridge 1012. 1 Connect the RJ45 connector on the AMS Link Extender to the AMS Link Port on the rear panel of the AsantéBr idg e 1012 as shown in F igure 2-11 . Y ou c[...]

Page 2-20 Chapter 2 — Connecting to the Network There are tw o DIP switc hes located to the right of the AMS Link ports on the rear panel of the AsantéBr idg e 1012. These two switc hes are set up according to ho w the AsantéBr idge is posi- tioned in the out-of-band daisychain and ho w you are connecting your Asanté Mana g ement Station. Foll[...]

Page 2-21 Connecting a VT100 T erminal The bridge can be configured and monitor ed through a direct serial connection to the br idge RS232 port on the rear of the bridge unit. The bridge functions as a DCE; the terminal must be DTE. Y ou must use an RS232 straight-through serial cable to connect the bridge serial por t to your Macintosh or PC. The[...]

Page 2-22 Chapter 2 — Connecting to the Network T able 2-2 lists the factor y default settings. * Communication with a terminal is fixed at 9600 bps. T able 2-2 AsantéHub 1012 Factory Default Settings Default T o Modify All RJ45/RJ21 ports have Link Integrity testing enabled. Jumper JP8 is set OUT to enable Link Integrity testing on the 3-in-1 [...]

3 AsantéBridge 1012 Local Management • Before Y ou 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 • Statistics Menu System on page 3-38[...]

Page 3-2 Chapter 3 — AsantéBridge 1012 Local Management The AsantéBridge 1012 can automatically integ r ate itself into y our networ k environment without any prog ramming or other user inter vention other than connecting to tw o networ k segments and pow er ing it on. However , there are e xtensive manag ement func- tions available through the[...]

Page 3-3 Bridge Diagnostics The AsantéBridge 1012 is equipped with on-board diagnostics that run when the br idge is po wered on (cold start) or when reset, either from the front panel or with the Reset system command from the local management Configuration Menu . The diagnostics take a few seconds and ar e designed to c heck the ov erall health [...]

Page 3-4 Chapter 3 — AsantéBridge 1012 Local Management All AsantéBridge 1012 functions can be configured using a VT100 terminal (or a Macintosh or PC r unning VT100 ter minal emulation software). All necessar y commands and functions are stored in bridge memor y — no special software is requir ed other than the terminal emulator if you are [...]

Page 3-5 Local Management Menu System 2 T o disconnect from the AsantéBridge 1012, use the appro- priate VT100 command. This command may vary depend- ing upon what terminal emulation software you ar e using. Please see the documentation accompanying y our emula- tion software f or instructions. ❖ Important: Some areas of the local management men[...]

Page 3-6 Chapter 3 — AsantéBridge 1012 Local Management The AsantéBridge 1012 VT100 local management port uses a vari- ety of control c haracter s (special keyboard characters) to control editing on screen. This help screen tells what editing commands are available and what they do. Figure 3-3 Local Management Help Window Enter control-z to ret[...]

Page 3-7 Configuration Menu System The main configuration menu, accessed only after entering a pass- wor d, provides submenus and commands for: Figure 3-4 Main Configuration Menu ❏ Checking and updating system information (te xt data contained in bridge memor y) ❏ Defining a new pass word f or the Configuration Menu ❏ Checking and updati[...]

Page 3-8 Chapter 3 — AsantéBridge 1012 Local Management 4 The Reset System item is a command. Selecting this item and pressing return opens a confirmation dialog. Y ou must confir m that you w ant the unit reset befor e the command is actually e xecuted. ❖ Important: Resetting the br idg e also resets the hub. All packet data contained in hu[...]

Page 3-9 Configuration Menu System The System Inf or mation menu stores te xt information in the bridge memor y . Figure 3-5 System Infor mation Window ❏ The Bridge/Hub MAC Address contains the physical address assigned to the bridge and hub. This field cannot be modified. ❏ The Name , Contact , and Location fields contain te xt and can be [...]

Page 3-10 Chapter 3 — AsantéBridge 1012 Local Management Access to all bridge configuration functions is pass wor d pro- tected. The passw ord is stored in bridge memor y . The default pass- wor d is Asanté . Be sure to enter it e xactly as sho wn here; the passw ord field is case sensitiv e. This menu is not accessible from AsantéVie w . Fi[...]

Page 3-11 Configuration Menu System The bridge SNMP ag ent menu has the following f our submenus: Figure 3-7 SNMP Agent Parameters Menu ❏ TCP/IP Parameters , defining the br idge IP address , sub- net mask , and default router IP address ❏ Software Update , defining the server IP address for a remote boot, the boot protocol to be used, the b[...]

Page 3-12 Chapter 3 — AsantéBridge 1012 Local Management TCP/IP Parameters Menu The IP address, subnet mask and default r outer IP address for the bridge and hub are set fr om this menu. Figure 3-8 TCP/IP Parameters Menu ❖ Important: Y ou should under stand how IP addressing wor ks befor e you attempt to modify any of these par am- eters. ❖ [...]

Page 3-13 Configuration Menu System 5 Go to the Configuration Menu and reset the br idge to put the chang es into effect. Software Update Menu Figure 3-9 Softwar e Update Menu The Software Update menu pr ovides the follo wing information: ❏ T ells the br idg e to execute a boot oper ation and to get the boot image from a r emote ser ver . The s[...]

Page 3-14 Chapter 3 — AsantéBridge 1012 Local Management About the Software Update function ❖ Important: The software update function is comple x and should be understood before y ou attempt it. Please read through the f ollowing description before you use this command. ❖ The AsantéBridge uses this function to load new configur ation param[...]

Page 3-15 Configuration Menu System Instead, the br idg e resets and then makes another attempt to download new softw are, using the same set of parameters it had bef ore. This cycle continues until: ❏ The required configur ation and image files are loaded or ❏ The cycle is interr upted by enter ing control-c from the VT100 Entering control-[...]

Page 3-16 Chapter 3 — AsantéBridge 1012 Local Management 6 Enter control-z to return to the SNMP Agent Parameter Menu without taking any action. If the software do wnload process fails and y ou enter a control-c from the VT100, the AsantéBr idg e opens this window . Figure 3-10 System Update Status Window This window giv es the cur rently defi[...]

Page 3-17 Configuration Menu System If the update is not successful, enter ing a control-c stops the pro- cess and reopens the Update Status window , this time with all the fields open f or editing. This enables you to either fix the cause of the update failur e and restart the process or to a bort the process altog ether and tell the br idge to[...]

Page 3-18 Chapter 3 — AsantéBridge 1012 Local Management SNMP T rap Receiver T able Figure 3-11 SNMP Trap Receiver T able Y ou can define up to four tr ap receiv er s for the bridg e. A valid trap receiv er is a Macintosh or PC r unning AsantéVie w 2.0 or later . ❏ The IP ADDRESS field contains the trap receiv er IP address currently stor e[...]

Page 3-19 Configuration Menu System 3 Press return to set the new v alue. 4 Repeat steps 1-3 for an y other fields you w ant to modify . 5 Highlight the COMMUNITY STRING field for the IP address y ou want and press return to open the data entr y bar . 6 Enter the new string; press return to set the value. 7 Repeat steps 5-6 f or the other commun[...]

Page 3-20 Chapter 3 — AsantéBridge 1012 Local Management This table allows y ou to control access to SNMP MIB objects. All data fields initially displa y the parameter values contained in bridge memor y at the time this menu is opened. SNMP_COMMUNITY_STRING field This string provides names f or the SNMP communities (logical groups of SNMP obje[...]

Page 3-21 Configuration Menu System Defines data communication and user passw ord parameters f or accessing the bridge using AsantéView Out-of-Band netw ork man- agement softw are and an RS 232 modem connection. Figure 3-13 Out-of-Band Parameters Menu ❏ The Out-of-Band Baud Rate sets up a modem for both incoming calls and outgoing calls. It ca[...]

Page 3-22 Chapter 3 — AsantéBridge 1012 Local Management Enter the new pass w or d and pr ess return . Y ou can enter as many as fifteen c haracters. 5 Enter control-z to return to the Configuration Menu .[...]

Page 3-23 Configuration Menu System This menu provides submenus used to configur e AsantéBr idge 1012 featur es only . There are submenus f or: ❏ Setting bridge spanning tree par ameter s ❏ Setting bridge port spanning tree parameters ❏ Accessing and defining entries in the br idge f orwar ding table ❏ Accessing and defining entries in[...]

Page 3-24 Chapter 3 — AsantéBridge 1012 Local Management Spanning T r ee Bridge Parameters Menu Figure 3-15 Spanning Tree Bridge Parameters Menu Only the fields not displa yed in bold type can be edited; the bold- face type fields ar e read only . ❏ Bridge ID: the unique br idge identification tag assigned to this AsantéBridge; based on th[...]

Page 3-25 Configuration Menu System These parameters can chang e rapidl y depending on spanning tree activity . T o update the window , enter control-r . 1 Use the Up/Down arrow keys to select the field you want to modify; press return when it is selected. 2 Press control-u to erase the current data and then enter the new parameter in the data en[...]

Page 3-26 Chapter 3 — AsantéBridge 1012 Local Management Spanning T r ee Port Setting Menu Figure 3-16 Spanning Tree Port Setting Menu The Spanning T ree P or t Setting menu has the f ollowing fields: ❏ Ext/Hub Port: ena bles or disables the e xternal por t or the hub side port linking one network segment to the bridge. ❏ Ext/Hub Port Prior[...]

Page 3-27 Configuration Menu System 4 Enter control-u to erase the field, enter the new value, and press return . 5 Enter control-z to return to the Bridge Parameters Menu. Bridge Forwarding Table About Forwarding Forw arding is the process of passing packets from one bridg e por t to the other . T o do this, the bridge must know what devices ar [...]

Page 3-28 Chapter 3 — AsantéBridge 1012 Local Management ❏ Edit brings up the ta ble editor , where y ou can add, delete, and modify Ether net addresses ❏ Search opens the searc h utility , where y ou can look for a specific address or g o to a specific pa g e in the table ❏ Next Page brings up the next sequential pag e (if there is one)[...]

Page 3-29 Configuration Menu System The alphabetic por tion of the field defines the type of entr y . The numeric por tion defines the input por t and output port. Here, input port ref er s to the segment the transmitting device is on, and output port ref ers to the segment the packet is forwar ded to. About dynamic and static table entries The[...]

Page 3-30 Chapter 3 — AsantéBridge 1012 Local Management When a device on either segment transmits, its packets ar e read by the br idg e. The bridge reads the source address contained in the packets and writes that address into the table as a dynamic entr y with a ta g associating it with the segment it was receiv ed on. Thereafter , when the b[...]

Page 3-31 Configuration Menu System Using the Edit Function Figure 3-18 Editing the Forwar ding T able T o use the Searc h Function, do the following: 1 Use the Left/Right arrow keys to select the Edit function. Press return . The table editor displays. Here you can add, delete, or modify table entries. 2 Use the Left/Right arrow keys to select th[...]

Page 3-32 Chapter 3 — AsantéBridge 1012 Local Management Using the Search Function Figure 3-19 Sear ching for an Address T o use the Searc h Function, do the following: 1 Use the Left/Right arrow keys to select the function and then press return . The Searc h Function window displays. 2 Using the Left/Right arrow keys , select the search func- t[...]

Page 3-33 Configuration Menu System Bridge Filtering T able About the Filtering T able The filtering ta ble should be view ed as pipelined sets of parame- ters that determine whether any given pac ket is forwar ded from one segment to the other . Each parameter set contains thr ee rang es and an ON/OFF switc h. The f ollowing flowchart shows pac[...]

Page 3-34 Chapter 3 — AsantéBridge 1012 Local Management Each r ang e within the set acts as a filter in a pipeline. A packet has to g et past all thr ee filter s to completely trav er se the pipeline and be f orwarded (or discarded, according to ho w the filter mode is set). Figure 3-20 Bridge Filtering Table As many as ten r ange entries ca[...]

Page 3-35 Configuration Menu System ❏ Status enables or disables the filtering function for this rang e of addresses. T o use the Bridge Filtering T able, do the follo wing: 1 Use the arrow keys to highlight the LO DST address field and press return . The current value in the field is display ed in the data entr y bar at the bottom of the win[...]

Page 3-36 Chapter 3 — AsantéBridge 1012 Local Management Y ou can reset the AsantéBridge 1012 in three diff erent ways: ❏ Cycle the power . This resets both the bridge and hub portions of the device. The repeater is not affected. ❏ Push the Reset button on the front panel. This resets both hub and bridge. ❏ Send the Reset system command f[...]

Page 3-37 Configuration Menu System ❏ Erases static f orwarding addr esses configured for delete on reset ❏ Does not affect the pass word f or the Configuration Menu ❏ Retains any ne w settings for IP addr ess, IP mask, and default router IP addr ess[...]

Page 3-38 Chapter 3 — AsantéBridge 1012 Local Management The AsantéBridge 1012 provides sev eral counters that monitor traffic on both br idg e por ts. A passw ord is not requir ed to access the statistics counter s. Just select the Bridge Statistics field on the Local Management Menu and press return . This opens the Bridge Port Statistics M[...]

A Support for Pre 10BaseT Devices[...]

Page A-2 Appendix A — Support for Pre 10BaseT Devices This appendix provides guidelines f or integr ating non-10BaseT compatible devices f or your Asanté 10BaseT Local Area Network. For a device that has an Ethernet card with an A UI port, simply obtain a TP-MA U (Media Attachment Unit) such as the Asanté 10T MA U. A TP-MA U is an e xternal dev[...]

B T echnical Specifications[...]

Page B-2 Appendix B — T echnical Specifications This appendix describes the technical featur es 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 f or transparent bridging with spanning tree implementatio[...]

Page B-3 1 to show Uplink Link/Receiv e Status (rear panel) 3 to show receiv ed packets, forw arded packets, collisions on e xter nal bridge port 3 to show receiv ed packets, forw arded packets, collisions on hub bridge port 3 to show bridge status within a spanning tr ee P ower Requirements: Input V oltage: 100-250 V A C, 47-63 Hz single phase; co[...]

Page B-4 Appendix B — T echnical Specifications[...]

C Pinouts and Cable Specifications[...]

Page C-2 Appendix C — Pinouts and Cable Specifications RJ-45 to RJ-21 Pinouts (Amphenol to Modular Jack) The Amphenol modular 50-pin connector establishes connections to the 8-pin modular jack through the netw ork (hub) and distribu- tion (house) punchdo wn blocks as illustrated in F igure C-1. Wir e jacket colors may var y . Figure C-1 RJ-45 to[...]

Page C-3 Figure C-2 Single Device Link — Amphenol Connector to 8-Pin Modular Jack 25 50 24 49 23 48 22 47 21 46 20 45 19 44 18 43 17 42 16 41 15 40 14 39 13 38 12 37 11 36 10 35 9 34 8 33 7 32 6 31 5 30 4 29 3 28 2 27 1 26 1 2 3 4 5 6 7 8 8 Pin Modular Jack 50-pin cable connector Hub Punchdown Block[...]

Page C-4 Appendix C — Pinouts and Cable Specifications RJ-45 Modular Jack to W all Jack Pinouts These pin numbers are for an Asanté 10BaseT card or MA U posi- tioned correctly with the notc h on the 8-pin modular jack down. Pin 1 is the leftmost pin, and pin 8 is the r ight-most pin. Figure C-3 RJ-45 W all Jack to Modular Jack Pinouts RJ-45 to [...]

Page C-5 AUI (DB-15) Pinouts T able C-1 AUI Pinouts Pin Circuit Signal Name 03 DO+ Data Out positive 10 DO- Data Out negative 11 DO S Data Out circuit Shield 05 DI+ Data In circuit positive 12 DI- Data In circuit negative 04 DI S Data In circuit Shield 07 CO+ Control Out positive (optional) 15 CO- Control Out negative (optional) 08 CO S Control Out[...]

Page C-6 Appendix C — Pinouts and Cable Specifications[...]

Page i AsantéBridge 1012 Index A A simple Ethernet network 2-3 AC Line Fuse 1-11 AC Power Connector 1-11 Access Mode field 3-19 Ageout Time 3-24 AMS Out-of-Band Link Ports 1-10 AsantéBridge Applications Engine 1-5 Features 1-5 Front Panel diagram 1-6 Rear Panel diagram 1-9 AsantéBridge 1012 logical representation 1-3 AUI Port Connecting to 2-10 [...]

Page ii AsantéBridge 1012 Index Forwarding table editing rules 3-28 Forwarding Table Mode Alphabetic Entries 3-29 Forwarding Table Mode Numeric Entries 3-29 Forwarding Table Search Function 3-32 freeze screen command 3-38 Fujitsu SPARClite RISC processor 1-5 G General Help 3-4 , 3-6 General Help Menu 3-6 H Hello Time 3-24 HI DST address 3-35 HI SR[...]

Page iii AsantéBridge 1012 Index P Password 3-10 Password Menu 3-10 PC/Terminal DIP Switch 1-11 Port 2-21 Port Link/Receive LEDs 1-7 Port Partition LEDs 1-7 Power LED 1-6 Powering Up and Pretesting the AsantéBridge 1-17 R rap receiver IP address 3-17 Redundant bridging 2-6 Redundant Link 2-14 to ?? Reset button 1-6 Resetting the Bridge 3-36 RJ21 [...]

Page iv AsantéBridge 1012 Index Manual P/N 06-00089-00[...]