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6

TribeStar Users Guide

Unpacking TribeStar

Installation Checklist

In addition to the TribeStar package, you should have the following components:

An Ethernet transceiver (e.g., 10BaseT or 10Base2 type) to attach to the
TribeStar’s AUI port. If you bought your transceiver from Zoom, the SQE
should already be set to “ON.” If you bought your transceiver from a third
party, consult their instructions for the proper setting.

If you plan to use 10Base2 Ethernet cables (ThinNet): appropriate lengths of
cable, cable T-connectors and terminators (one for each end of the daisy
chain). See the

ThinNet section.

If you plan to use 10BaseT Ethernet cable: a 10BaseT hub and one
10BaseT cable for each Ethernet device. If you connect the TribeStar to only
one Ethernet machine, you do not need a 10BaseT hub, but you must use a
special 10BaseT cable with the send and receive wires reversed in one end.
(See the illustration in the

Making Your Own Cables section in Part III.)

A wiring kit consisting of an RJ-21 cable and either a punchdown block or 8-
port patch panel. The wiring kit is used to connect the TribeStar to your
LocalTalk network. These wiring kits are available from most resellers or
directly from Zoom.

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Содержание TribeStar

Страница 1: ...k Basics 10 AppleTalk Addressing 10 AppleTalk Zones 12 MacIP 12 How TribeStar Works 14 TribeStar as a Bridge 14 Packet Delivery with TribeStar 14 TribeStar s Design 15 PART III Installing a Network Pl...

Страница 2: ...ribeStar Ports 32 Security Configuration 33 Downloading ROM Image Updates 33 Optimizing Network Performance 33 Saving Statistics Over Time 34 Maintain Network Reliability w SwitchMonitor 35 Other Swit...

Страница 3: ...ios 55 Configuration Scenario Using KIP Forwarding 55 Configuration Scenario Using MacIP routing 55 PART VI Troubleshooting Planning for a Rainy Day 57 Resources 57 The Tao of Troubleshooting 57 Six C...

Страница 4: ...o TribeStar must be compatible with AppleTalk Phase 2 The Ethernet network to which TribeStar connects must have a network number range of a single value e g 61 61 If your TribeStar is not connected t...

Страница 5: ...unting bracket The SwitchMonitor disk which contains the SwitchMonitor network manage ment software Note the location and names of the various ports and items on the TribeStar unit in the following il...

Страница 6: ...cable T connectors and terminators one for each end of the daisy chain See the ThinNet section If you plan to use 10BaseT Ethernet cable a 10BaseT hub and one 10BaseT cable for each Ethernet device I...

Страница 7: ...itor Managing Your Network chapter To configure TribeStar properly follow the directions in the AppleTalk Configuration chapter To config ure TribeStar for MacIP refer to PART V TribeStar IP To instal...

Страница 8: ...6 not used 5 not used 4 3 not used 2 not used 1 not used not used not used not used not used not used not used not used not used not used TribeStar StarController 12 not used 11 not used 10 not used...

Страница 9: ...n such as the number and types of routers connected to your network the number of nodes in your network their system versions and the types of servers being used can help us better understand the dyna...

Страница 10: ...trical signals that are trans mitted and the basic rules used to control access to the wire Built into every Macintosh and accessed through the printer port LocalTalk transmits data at the rate of 230...

Страница 11: ...special packets called Routing Table Mainte nance Protocol packets RTMP each router builds a list of network numbers that can be reached from each of its ports When a router receives a packet destine...

Страница 12: ...112 AppleTalk Zones Apple introduced the zone feature so that users can view network resources more conveniently Seen by Mac users in the Chooser zones are groups created by the network administrator...

Страница 13: ...C would show only Mac E2 On EtherTalk each network has a default zone Whenever a node is unsure about its zone it places itself in the default zone The default zone is also speci fied by the network m...

Страница 14: ...itor Packet Delivery with TribeStar In a TribeStar network devices i e nodes are wired into one of TribeStar s 9 ports using LocalTalk or Ethernet cables If no routers are present all nodes are in the...

Страница 15: ...he entry is immediately restored when the node transmits packets The bridging tables are cleared when the power is turned off TribeStar accomplishes bridging by means of four Zilog Z8 microprocessors...

Страница 16: ...d telephone wires However we recommend that you build your network with two pairs per device which enables you to run either PhoneNET or 10BaseT Ethernet In the future if you upgrade the device to Eth...

Страница 17: ...ThickNet It can span 550 feet and support up to 30 transceivers To connect devices on ThinNet transceivers are daisy chained in one continuous bus through BNC T connectors and must be terminated by 50...

Страница 18: ...or 2 pairs of twisted wires Connecting Macs to Ethernet Connecting a Mac to Ethernet requires an Ethernet card either Apple s built in card available on higher end Apple machines or one of various thi...

Страница 19: ...chMonitor Managing Your Network chapter for methods of analyzing packet activity levels Since each user has one branch you can easily rearrange the users by moving the branches around the patch panel...

Страница 20: ...IDG Books in San Mateo California telephone 1 800 762 2974 The following are the procedures for wiring your network While we use a patch panel in our example the same principles may be applied to a p...

Страница 21: ...tripper to trim away the outer jacket of the cable but do not strip the wires Place the wire ends into the blank plug and insert it into the crimper When you squeeze the handles the crimper drives the...

Страница 22: ...rst for opens infinite resistance across pins of the same plug then for continuity across the same pin number between the two plugs While testing for continuity stress the cable by wiggling it near th...

Страница 23: ...ll your cables into bundles This makes taping them down much easier It is a good idea to maintain a chart next to the panels to show devices and their port branch location Patch panel PhoneNET type Lo...

Страница 24: ...proper setting TribeStar s AUI connector is equipped with a latch to secure your transceiver in place Slide the latch to the left the open position Plug in the 10BaseT trans ceiver then close the latc...

Страница 25: ...ar and observe the pattern of lights on the front All the lights should come up all amber alternate red and green turn all red and then turn off This test pattern will occur quickly This indicates tha...

Страница 26: ...take the configuration as shown in the AT Config screen A soft seeded TribeStar will only adjust its configuration to conform to routers or other TribeStars at start up Thus If you are connecting Tri...

Страница 27: ...specify the node number TribeStar acquires a node number through a dynamic process at start up If you set this manually make sure that you choose a number between 1 and 253 and that you have not chos...

Страница 28: ...indow you must press Set in order to send the new configuration to the TribeStar Changes will not actually take effect until the TribeStar is rebooted Choose Reset TribeStar from the Options menu to d...

Страница 29: ...Before launching SwitchMonitor you must copy it from the floppy disk to your hard disk as it will not work properly if launched from a floppy disk To do this simply click on the SwitchMonitor icon dr...

Страница 30: ...n screen see TribeStar IP Configuration chapter The Statistics Screen When you first select a hub in the Network Search screen you see the Statistics screen The frequency at which the statistics are u...

Страница 31: ...devices connected to TribeStar select the Network option in the Display menu This display is useful for checking network integrity If you have non System 7 Macs be sure each has an AppleTalk version t...

Страница 32: ...as turned off less than 20 minutes ago and TribeStar has not yet aged the node number out of its bridging table If the above are eliminated as possible causes one might suspect unusually heavy traffic...

Страница 33: ...nu bar and select Download ROM 4 Find and open the appropriate ROM file A message will appear indicating a successful download If the bar freezes the download was not successful Power cycle the TribeS...

Страница 34: ...delimited document which may be imported into a chart program or spreadsheet to produce an activity chart similar to the one at the end of this section Each line of the file contains the following dat...

Страница 35: ...may be suspect Check to make sure that all connections from the port to the remote devices are stable and that the wiring is correctly terminated Under normal conditions a small percentage of error pa...

Страница 36: ...re restarted 2 Connect TribeStar to the LocalTalk side of the network Do this by connecting the RJ 21 cable into the front of the TribeStar and turn it on Turn on a single LocalTalk Mac and use Switch...

Страница 37: ...ar from the network and manually configure it to be consistent with the router See above 2 Choose the TribeStar s zone While you are looking at the zone list in SwitchMonitor select a different zone f...

Страница 38: ...may not have multiple zones on the Ethernet Configure the Ethernet router and the TribeStar for only one zone If you create more than one zone the network will operate erratically Networks with Multip...

Страница 39: ...s How ever it does not guarantee that the packets arrive in the proper order or that the data will arrive intact at the destination Transmission Control Protocol TCP breaks data into packets suitable...

Страница 40: ...er way four bytes An IP address could be written in binary 11000110 00110001 00000101 00000101 However it is more convenient to express an address in decimal form 198 97 69 5 Every node on a TCP IP In...

Страница 41: ...rt a very large number of nodes A Class B network address uses the first two bytes to identify the network and the last two bytes to identify the host The first byte of a Class B network is a number i...

Страница 42: ...some bits of the third byte are used for the network address other bits are used for the host address Six of the eight bits are used for the network while two of the eight bits are used for the host...

Страница 43: ...low the progress of Packet A in Figure 4 Router A accepts the packet be cause the destination is on a different subnet than the source Router A has a routing table which tells it that Host B 199 66 33...

Страница 44: ...IP packet When the destina tion IP host responds the MacIP gateway encapsulates the IP packet into LocalTalk and forwards it to the Mac on LocalTalk MacTCP is the Macintosh application that encapsulat...

Страница 45: ...ee address and assigns it to the Mac NOTE A TribeStar configured for dynamic addressing will always choose the lowest free address number within its specified range 4 The Mac receives the new IP addre...

Страница 46: ...network I I I I I I I I I I I I UNIX host EN Port TribeStar A I A I A I Network 61 61 Network addres 192 33 20 147 From 61 243 To 61 59 IP packet inside From IP address 192 33 20 147 To IP address 192...

Страница 47: ...Star which acts as the MacIP gateway When using Static addressing select manual in the MacTCP configuration window and configure MacTCP with the proper address for that node Consult MacTCP instruction...

Страница 48: ...IP Fundamentals NOTE If there is no MacIP gateway in your zone it is possible to obtain an address from a gateway in another zone This is not recommended however as the address will not be reconfirmed...

Страница 49: ...ess packets directly to the MacIP nodes Instead they will address them to TribeStar which will act as a router in forwarding the packets to their ultimate destination On the other hand if you use KIP...

Страница 50: ...of the IP router to which all packets should be sent that are destined for nodes on other networks 6 Generate RIP You may want to check this box if you have chosen routing RIP packets or Routing Infor...

Страница 51: ...rk to which you are connected If you are not sure if you have a subnet mask consult your IP network administra tor If you do not have a subnet mask you may click the default button and the mask will b...

Страница 52: ...rcept all IP packets addressed to nodes within this range and forward them to LocalTalk Addresses that fall within the client range but outside the dynamic range see below can be statically assigned t...

Страница 53: ...net you are using For more information on how to calculate subnet masks see the IP Addressing section 3 Broadcast Address Calculate the broadcast address for the MacIP subnet and enter it here 4 Dynam...

Страница 54: ...e gateway per AppleTalk zone If you have TribeStars in different zones you may be best off configuring each TribeStar with MacIP This minimizes the load on each TribeStar See PART IV Configuration for...

Страница 55: ...ast 205 100 150 255 MacIP Select Forward Address 205 100 150 6 same as IP Interface Address cannot be changed Client Range 205 100 150 7 to 205 100 150 67 This allows for up to 60 addresses Dynamic Ra...

Страница 56: ...lt Gateway 135 200 73 10 Generate RIP Checked Check unless you will manually configure the default gateway with a new route to the MacIP subnet IP Interfaces Address 197 200 73 11 Mask 255 255 255 224...

Страница 57: ...For those who want to understand the intricate details about how AppleTalk works Inside AppleTalk by Gursharan S Sidhu Richard F Andrews Alan B Oppenheimer is the definitive work You may order the Mac...

Страница 58: ...for a Rainy Day 3 Be patient and methodical Don t jump to conclusions Networks are complex systems with many unseen and unanticipated interactions Some devices contain unusual quirks that prevent the...

Страница 59: ...ends but if it is even slightly tilted you may loose one or more of your LocalTalk ports Press each 50 pin connector in firmly and secure the RJ 21 cable so that someone entering the wiring closet or...

Страница 60: ...If the printer s was not powered off at the time of its installation into a new network or if the network number or zone name was changed and the printer was not powered off then the printer would not...

Страница 61: ...19 inches as well as a maximum length Chapter 9 of the MacWorld Networking Handbook Installing an Ethernet LAN includes important information on Ethernet cabling length and termination Problem Four Ca...

Страница 62: ...s that are not full routers also send out Router Table Maintenance Protocol RTMP packets and should be treated like a router at installation e g Shiva LanRover and NetModem V 32 2 Loss of physical con...

Страница 63: ...page are most likely caused by wiring problems either intermittent connec tions preventing a node from verifying the uniqueness of its node ID or a loop causing TribeStar to think that node is actual...

Страница 64: ...ssage is issued You may see these messages when a user turns off their Mac or detaches a PowerBook from the network without logging off a server Some server software isn t smart enough to realize the...

Страница 65: ...996 1010 Krol Ed 1993 The Whole Internet User s Guide and Catalog Sebastopol CA O Reily Associates Inc Kehoe Brendan P 1993 Zen and the art of the Internet A beginner s guide to the Internet 2nd ed P...

Страница 66: ...41 42 IP Config 30 35 49 49 54 50 51 55 IP Subnetting 42 43 K Kbps 10 KIP 49 52 55 L LED 8 15 32 Limited Warranty 65 LSAger 63 M MacIP gateway 44 48 Management software 4 5 7 12 25 Mask 21 41 42 49 51...

Страница 67: ...17 TCP IP 39 43 Tech Support 9 32 10Base2 6 17 61 See also ThinNet 10Base5 17 See also ThickNet 10BaseT 16 20 21 22 24 10BaseT hub 6 18 19 21 Terminating resistor 7 60 Termination 7 30 60 61 Testing...

Страница 68: ...68 TribeStar User s Guide Notes Notes 0128 27800...

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