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Chapter 1: Understanding ISDN and the Express L128/L128T

Express L128/L128T User Manual

61202.070L1-1

Applications

Single User to Corporate LAN

•

Telecommuter/Home Office Access to the corporate LAN

•

Single device access

•

User Datagram Protocol (UDP) broadcasts are “relayed” to corporate
LAN.

•

Client device can obtain the Internet Protocol (IP) address dynamically us-
ing Dynamic Host Configuration Protocol (DHCP).

•

Compatible with popular central site LAN access devices

Figure 1-2

Single User to Corporate LAN

ISDN

Server

Router

10 BT

ISDN

OFF

EIA232

10 BASE T

POWER

HUB

NIC

Содержание Express L128

Страница 1: ...Express L128 and Express L128T ISDN Router Bridge USER MANUAL Express L128 Data Only 1202070L1 Express L128T with POTS Option 1202070L2 61202 070L1 1A May 1998...

Страница 2: ...mpression Copyright 1989 Carnegie Mellon University All rights reserved Redistribution and use in source and binary forms are permitted provided that the above copyright notice and this paragraph are...

Страница 3: ...sonnel For continued protection against risk of fire replace F1 with the same type and rating of fuse only 2A 250 V FEDERAL COMMUNICATIONS COMMISSION RADIO FREQUENCY INTERFERENCE STATEMENT This equipm...

Страница 4: ...ring associated with a single line individual service may be extended by means of a certified connector assembly telephone extension cord Compliance with the above conditions may not prevent degradati...

Страница 5: ...en sink or laundry tub in a wet basement or near a swimming pool 2 Avoid using a telephone other than a cordless type during an electrical storm There may be a remote risk of electric shock from light...

Страница 6: ...ervice Provider ISP using NAT 10 Small Office Home Office SOHO to Corporate LAN 11 Demand Routing and Bridging with the Express L128 L128T 12 Factory Default 12 Bridging 13 IP Routing 14 IPX Routing 1...

Страница 7: ...onfiguration Menu 34 Configuration System Info 34 System Name 34 System Location 34 System Contact 35 Firmware Revision 35 System Uptime 35 Date Time 35 Configuration WAN 36 WAN ISDN 36 ISDN Dial Line...

Страница 8: ...e 44 DNS Server 1 44 DNS Server 2 45 IP UDP Relay 45 UDP Relay Mode 45 UDP Relay UDP Relay List 45 UDP Relay List Relay Address 45 UDP Relay List UDP Port Type 45 UDP Relay List UDP Port 1 UDP Port 2...

Страница 9: ...figuration Security 56 Security Authentication 56 Security When 57 Security Radius Server 57 Radius Server Primary Server 57 Radius Server Secondary Server 57 Radius Server UDP Port 57 Radius Server S...

Страница 10: ...Triggered 70 IPX Retain 71 IPX Type 20 Packets 71 Connection List Bridge 72 Bridge Mode 72 Connection List Probe 72 Probe Active 72 Probe Interval 72 Probe Update Window 73 Connection List PPP 73 PPP...

Страница 11: ...ilters Out Exceptions 81 Filters Demand Dial 81 Filters Dem Dial Exceptions 82 Configuration Management 83 Management Telnet 83 Telnet Server Access 83 Telnet User List 84 User List Name 84 User List...

Страница 12: ...96 Status IP Stats 96 Test Menu 98 Test Menu Echo Request 98 Test Menu Dial Self 98 Logs Menu 99 Logs Sys log Host 99 Logs PPP Log 99 PPP Log Active 100 PPP Log Wrap 100 PPP Log Level 100 PPP Log View...

Страница 13: ...If you are unable to connect calls 113 Chapter 5 Specifications 115 Specifications and Features 115 Network Interface 115 Ethernet Interface LAN 115 Switch Compatibility 115 Dual POTS Interface 115 D...

Страница 14: ...gure 3 1 Top Level Terminal Menu 28 Figure 3 2 Configuration System Info Screen 34 Figure 3 3 Configuration WAN Screen 36 Figure 3 4 Configuration IP Screen 40 Figure 3 5 Configuration IPX Screen 47 F...

Страница 15: ...List of Figures x Express L128 L128T User Manual 61202 070L1 1...

Страница 16: ...28T User Manual xi List of Tables Table 2 A Using the Flash Hook 23 Table 4 A Troubleshooting Calls 113 Table D A IBM AT Style EIA 232 Interface 143 Table D B RJ 45 ISDN 143 Table D C RJ 11 POTS 144 T...

Страница 17: ...List of Tables xii Express L128 L128T User Manual 61202 070L1 1...

Страница 18: ...then press Enter to display the top menu 3 Using the arrow keys and Enter key to navigate the menu go to the Con figuration WAN ISDN Dial Line menu Enter the SPIDs LDNs and switch type 4 Use the left...

Страница 19: ...nd highlight the IP parameters 9 Set the NAT item to Yes This is a very important step The Express L128 L128T will need to translate the fake IP address es on the PC s to the real address provided dyn...

Страница 20: ...iguration IP menu 3 For the Default Gateway enter the IP address of the access server at the remote site This creates a default route in the IP routing table that will be used with the dial on demand...

Страница 21: ...the access server A similar configuration must be selected on the access server 17 Use the arrows to get the Dial Out menu parameters for this profile 18 Enter the phone number of the access server in...

Страница 22: ...o packet traffic is transmitted or received for the speci fied number of seconds the Express L128 L128T will disconnect the link until a computer on the local LAN again attempts to access a host on th...

Страница 23: ...Quick Startup Guide 6 Express L128 L128T User Manual 61202 070L1 1...

Страница 24: ...alone device that links two Local Area Net works LANs using a high speed ISDN public network or leased two wire line Optionally the Express L128T has two plain old telephone service POTS connectors us...

Страница 25: ...Single device access User Datagram Protocol UDP broadcasts are relayed to corporate LAN Client device can obtain the Internet Protocol IP address dynamically us ing Dynamic Host Configuration Protocol...

Страница 26: ...addresses to ISP assigned IP addresses The PC s IP address can be dynamically assigned by the Express L128 L128T Overcomes the serial port speed limitations of current terminal adapter solutions Multi...

Страница 27: ...rnet Multiple and simultaneous access The PC s IP address can by dynamically assigned by the Express L128 L128T On demand Internet access Multilink PPP plus compression yields effective throughput gre...

Страница 28: ...es Figure 1 5 SOHO to Corporate LAN The Express L128 L128T provides the following basic functions 1 LAN Bridge Bridging provides a point to point connection between two LANs The bridge learning functi...

Страница 29: ...s are supported 5 POTS The POTS interfaces can be used for interfacing to dual tone multi frequency DTMF analog devices such as telephones modems fax ma chines etc The Express L128T POTS option is ava...

Страница 30: ...additional information specific to the remote site being di aled phone numbers number of B channels to dial authentication information Caller ID etc In addition to reduce line charges Demand Di aling...

Страница 31: ...e with the Host Address as the gateway If the Configuration Connection List IP Route Private option is set to No the route is advertised at the specified metric through the unit s interfaces as if a c...

Страница 32: ...uthentication information method username password number of B channels telephone numbers Caller ID IP or IPX address for routed con nections and other information can be stored for each destination d...

Страница 33: ...up solutions A call is initiated to the ISP using the Dial menu or demand for a Connection List profile that has the IP parameter NAT set to Yes The network computer s IP stack may use DHCP to reques...

Страница 34: ...ve B1 flashes green when a call on B1 channel is in progress solid green when a call is connected B2 Flashes green when the link is being negotiated off when the link is active After the link is activ...

Страница 35: ...lephone line into three digital channels capable of simultaneous voice and data transmission The three channels are comprised of two bearer B channels at 64 kbps and one data D channel at 16 kbps know...

Страница 36: ...ng both B channels The Bandwidth Allocation Protocol BAP may also negotiate which enhances the management of adding and removing a B channel Data compression is also supported using LZS technology fro...

Страница 37: ...ance port The factory default is 10 0 0 1 Security Security on network devices is a major concern for almost anyone with a net work The Express L128 L128T provides many tools for securing the local ne...

Страница 38: ...calls over the public net work The leased operation mode supports dedicated 2B1Q data service at rates up to 144 kbps by using a nailed up circuit or a permanent connection between endpoints See Appen...

Страница 39: ...nferencing call transfer and call waiting are fully supported by the Express L128 L128T on a touch tone telephone Table 2 A explains how the flash hook is used for handling multi call situations DTMF...

Страница 40: ...nsfers calls Answering calls on hold and holding incoming active calls Flash hook places the incoming call on hold and reconnects to outgoing call Hanging up will terminate both calls When connecting...

Страница 41: ...1 Wiring Scheme 1 Use existing analog telephone equipment but replace single analog telephone service with ISDN service To Telephone Company Yellow Red Green Black To Telephone Company Yellow Red Gree...

Страница 42: ...og telephone service and add ISDN service To Telephone Company Yellow Red Green Black To Telephone Company Yellow Red Green Black Express L128 L128T 10 Base T Phone U Personal Computer New Wiring Sche...

Страница 43: ...Chapter 2 Installation 26 Express L128 L128T User Manual 61202 070L1 1...

Страница 44: ...other operations Each Main menu item has several functions and sub menus to identify and access specific parameters Figure 3 1 on page 28 shows the top level terminal menu In order to edit items in t...

Страница 45: ...submenus available through this pane are indicated by the and DATA symbols Left Pane Lists available menus Mode Describescurrent operating mode Loop Status Displays current status of ISDN line B chann...

Страница 46: ...for performing diagnostic testing of the Express L128 L128T See the section Test Menu on page 98 for detailed information on the tests available Logs The Logs menu can be used for viewing the operati...

Страница 47: ...tion submenu so the path display shows Express L128T Configuration Moving Around Press Tab or the right arrow key to move the cursor from the left pane to the right pane Press Tab or the left arrow ke...

Страница 48: ...time you pressed J Press J anytime you want to jump between these items Arrow Keys Selects items and moves between the left and right panes The left arrow key allows you to go back up the menu Enter A...

Страница 49: ...ist are copied For example if the cursor is over the Num field in the Connection List screen all of the information associated with the Connection List entry is copied P Pastes the item stored in the...

Страница 50: ...hat menu item The Telnet session is assigned a security level set by the user Passwords can only be accessed as security level 0 The maintenance port is always at se curity level 0 The security levels...

Страница 51: ...Write security 3 Read security 5 Provides a user configurable text string for the name of the Express L128 L128T This name can help distinguish between different installations You can enter up to 31 a...

Страница 52: ...ha numeric characters in this field including spaces and special characters such as an under bar Firmware Revision Read security 5 Displays the current firmware revision level of the Express L128 L128...

Страница 53: ...m ware See Appendix F on page 149 for information Figure 3 3 Configuration WAN Screen WAN ISDN Write security 2 Read security 5 Selects the mode the ISDN line is in If connecting to the public network...

Страница 54: ...Siemens EWSD NEC Nippon Electric Company Switch Dial Line Area Code Write security 2 Read security 5 Enter 3 digit area code when using ExpertISDN Dial Line SPID 1 Write security 2 Read security 5 The...

Страница 55: ...for permanent circuits Leased Line Clock Mode Write security 2 Read security 5 The clock mode determines which unit will supply the clock for synchroniza tion If the two units are connected through ch...

Страница 56: ...to LDN 1 and POTS2 to LDN 2 def or POTS2 to LDN 1 and POTS1 to LDN 2 Once as signed all incoming and outgoing calls on a particular port are placed to from the assigned number POTS NI 1 Conference FI...

Страница 57: ...is menu Figure 3 4 shows the IP menu Figure 3 4 Configuration IP Screen IP IP Address Write security 2 Read security 5 The IP address assigned to the Express L128 L128T s Ethernet port is set here Thi...

Страница 58: ...e security 4 Read security 5 Adds this static route entry to the IP routing table when set to Yes def and removes it if it was previously added if set to No Static Routes IP Address Write security 4 R...

Страница 59: ...set to On def the Express L128 L128T will advertise and listen to routes from other IP routers If Off the route table is still used but only static routes are used for routing IP packets and only the...

Страница 60: ...net port Tx only RIP advertisements are transmitted and not listened to Rx only RIP advertisements are listened to but not transmitted RIP V2 Secret Write security 0 Read security 0 This is a text str...

Страница 61: ...e Domain Name Server parameters used by the Express L128 L128T are specified here The DNS server addresses can be exchanged between PPP peers When a connection occurs and IPCP is negotiated the Expres...

Страница 62: ...e information the client programs will not receive a response without enabling the UDP relay agent UDP Relay Mode Write security 3 Read security 5 When this option is set to On def the Express L128 L1...

Страница 63: ...resses Proxy ARP makes use of this mapping fea ture by instructing a router to answer ARP requests as a proxy for the IP addresses behind one of its ports The device which sent the ARP request will th...

Страница 64: ...te security 2 Read security 5 When this option is set to On def the Express L128 L128T will route IPX Setting it to Off will disable all IPX functionality IPX Network Write security 2 Read security 5...

Страница 65: ...etwork number for the Ethernet segment Non Seed def The Express L128 L128T will listen for an IPX network number being sent by another router including Novell software routers residing on servers on t...

Страница 66: ...urity 5 This value specifies how often the Express L128 L128T sends out IPX SAP Service Access Protocol packets on the network segment attached to the Ethernet port The SAP packets sent contain inform...

Страница 67: ...IP packets which include ARP packets are not bridged When IPX routing is active IPX packets are not bridged Also the WAN IP Bridge and WAN IPX Bridge menus allow the WAN connection to bridge packets...

Страница 68: ...IP RIP updates are sent when the routing table has changed When set to No def updates are sent periodically RIP version method and direction are determined by the Ethernet parameters set in the Config...

Страница 69: ...48 menu for an explanation of the IPX seed status WAN IPX Bridge Triggered Write security 2 Read security 5 When set to Yes only IPX RIP and SAP updates are sent when the routing or service table has...

Страница 70: ...tween the generation of configuration BPDUs Bridging Pro tocol Data Units by the root bridge The value is in one tenth seconds with a range between 10 1 0 second and 100 10 0 seconds The default is 20...

Страница 71: ...his mode no bridge traf fic will be forwarded in or out Setting to Yes def allows the port to partici pate in the spanning tree topology WAN Port 0 Path Cost Write security 2 Read security 5 This is t...

Страница 72: ...with the LAN WAN0 or WAN1 port from which they were received This menu permits the user to adjust the pa rameters or rules for the table as addresses are learned Address Table Aging Write security 3...

Страница 73: ...rity Screen Security Authentication Write security 1 Read security 2 The method used for authenticating the PPP peer is selected here The possi ble values are None def No attempt is made to authentica...

Страница 74: ...s the IP address of the first RADIUS server that the Express L128 L128T should attempt to communicate with when authenticating a PPP peer Radius Server Secondary Server Write security 1 Read security...

Страница 75: ...tocol The strength of the authentication is determined in the order EAP CHAP followed by PAP where EAP is the strongest and PAP is the weakest PAP is a clear text protocol which means it is sent over...

Страница 76: ...individual filter defines based on packet type Filter Defines MAC Filter Defines Write security 2 Read security 3 The MAC filter is applied to bridge packets only Bridge packets which are for warded...

Страница 77: ...2 Read security 3 The IP filter defines apply to any IP packet whether it is routed or bridged Up to 32 IP defines can be specified Name Identifies the filter entry IP Src IP address compared to the s...

Страница 78: ...IPX Filter Defines Write security 2 Read security 3 The IPX filter defines apply to any IPX packet whether it is routed or bridged Also any IPX encapsulation type will be accounted for Up to 32 IPX de...

Страница 79: ...ket equal to Not means socket not equal to means socket greater than means socket less than None no comparison is done on destination socket Type 8 bit value which is the IPX type Type Comp Type of co...

Страница 80: ...s a Connection List profile is defined The Express L128 L128T factory defaults with one profile called DEFAULT This profile is used for any incoming calls when Configuration Security Authentication No...

Страница 81: ...and for being authenticated by the PPP peer Authentication is applied between the Express L128 L128T and the PPP peer as follows 1 The Express L128 L128T as the authenticator When answering an incomin...

Страница 82: ...L128 L128T for authenticating itself If the Configuration Security Authentication parameter is set to Connection List or RADIUS the Express L128 L128T will wait until the PPP peer is authenticated be...

Страница 83: ...name that is used to match the user to the Connection List pro file During an incoming call the Express L128 L128T will scan all active con nection profiles and match the received PPP peer s username...

Страница 84: ...h the PPP peer for exchanging of IP packets IP NAT Write security 3 Read security 5 The Express L128 L128T can perform Network Address Translation This fea ture is most widely used when connecting to...

Страница 85: ...route the Express L128 L128T will dial using this profile When set to No an idle route is not placed in the table This is necessary for dial on de mand applications and if the probe feature is not use...

Страница 86: ...rizon Only routes not learned on the WAN connection are advertised Poison Reverse def All routes are advertised including routes learned from the WAN connection These routes are poisoned None All rout...

Страница 87: ...eters for exchanging IPX data with the PPP peer IPX Mode Write security 3 Read security 5 Setting to On def will permit this connection profile to negotiate PPP IPXCP with the PPP peer for exchanging...

Страница 88: ...ot retained IPX Type 20 Packets Write security 3 Read security 5 In order for certain protocol implementations like NetBIOS to function in the NetWare environment routes must allow a broadcast packet...

Страница 89: ...destinations using the single ISDN link The Express L128 L128T can periodically obtain routing information from various locations and retain this in the routing ta bles thereby permitting the LAN conn...

Страница 90: ...Express L128 L128T can be fine tuned to support many applications that can be employed The config urable items under this menu can be changed from their default values forspe cialcases PPP Multilink M...

Страница 91: ...tiated the de cisions are made on either side but the call is always from the originator PPP Compression Write security 3 Read security 5 The Express L128 L128T uses LZS technology from hi fnTM former...

Страница 92: ...5 def 10 15 and 20 Connection List Dial Out The dialing parameters for establishing this connection are defined under this menu Dial Out Number 1 Write security 3 Read security 5 This is the first nu...

Страница 93: ...ntended for use in circumstances where interoperability with Switched 56 service is desired 64K def The default call type for ISDN service is Data 64 kbps This directs the call control software to req...

Страница 94: ...ndwidth Mode Write security 3 Read security 5 When this option is set to On the Express L128 L128T will apply its band width on demand features for this Connection List profile If set to Off none are...

Страница 95: ...t rate must go below on two B channels before one is dropped The range is 0 to 100 and is in percent ages The default is 30 which is equivalent to 38 4 kbps See the section Bandwidth Samples below for...

Страница 96: ...out of a WAN port by use of the filters These filters are set up on a per Connection List profile basis They are set up in two steps 1 define the types of packets that would be of interest in the Conf...

Страница 97: ...st IPX from the Configuration Security Filter Defines IPX Filter Defines list Filter List Name Selects between filters defined in the list Next Oper The next operation to use to combine with the next...

Страница 98: ...onnection not to be dialed and do not reset the idle timer of an active con nection This is especially helpful for bridged connections since bridges can not easily distinguish true demand traffic from...

Страница 99: ...on and Structure 82 Express L128 L128T User Manual 61202 070L1 1 Filters Dem Dial Exceptions Write security 2 Read security 5 This is a list of up to 32 filter entries The setup is exactly the same as...

Страница 100: ...T Each of the three methods can be pro tected using authentication Figure 3 9 shows the Configuration Management menu Figure 3 9 Configuration Management Screen Management Telnet Any telnet client app...

Страница 101: ...or authenticating the user User List Password Write security 0 Read security 3 When the authenticating method is password this text string is used for the password User List Idle Time Write security 1...

Страница 102: ...Express L128 L128T will allow Factory default sets the community public with Get privileges Communities Name Write security 1 Read security 3 This is a text string for the community name Communities P...

Страница 103: ...curity 1 When set to No the maintenance port is not password protected When On def the Express L128 L128T will prompt for a password upon startup Maint Port Password Write security 0 Read security 1 T...

Страница 104: ...ven Maint Port Stop Bits Write security 5 Read security 5 This is the stop bit used for the maintenance port The possible values are 1 def 1 5 or 2 Configuration Terminal Mode This is an activator whi...

Страница 105: ...List This list is in the same order as the Connection List entries Figure 3 10 shows the Dial menu Figure 3 10 Dial Screen Dial Description Read security 5 This read only field is the name entered fo...

Страница 106: ...all No call No call is active for this Connection List profile Connecting Outgoing call is being placed for this profile Ringing Incoming call is being answered with this profile PPP negotiating Call...

Страница 107: ...enu contains comprehensive status and diagnostic information used in verifying configuration and identifying prob lems The menus are divided into protocol types and sessions Figure 3 11 shows the Stat...

Страница 108: ...s negotiated successfully CCP Shows UP if PPP Compression Control Protocol has negotiated successfully BACP Shows UP if PPP Bandwidth Allocation Control Protocol has negotiated successfully User Displ...

Страница 109: ...mode is disabled Disabled Port is not connected for WAN or disabled in configuration Listening Port is in the listening state Learning Port is in the learning state Forwarding Port is in the forwardin...

Страница 110: ...k mask applied to the destination address IP Routes Gateway Host or router to receive this packet IP Routes Port Port gateway is located on local sent directly to the Express L128 L128T router eth0 Ex...

Страница 111: ...cket IPX Routes Port Port gateway is located on local sent directly to the Express L128 L128T router eth0 Express L128 L128T s ethernet port wan0 Express L128 L128T s first PPP bundle wan1 Express L12...

Страница 112: ...r Ranges from 0 15 or 16 for infinite IPX Servers TTL Seconds until address is removed from table Value of 999 means server is static Status WAN Stats Read security 5 This menu contains generic WAN st...

Страница 113: ...llisions Carrier Sense Errors total carrier sense errors encountered no link integrity Rx Errors Total packets received in error and dropped CRCs total packets detected with CRC errors Giants total pa...

Страница 114: ...datagrams reassembled IP datagrams sent IP datagrams received Total forwarded datagrams IP reassembly timeout Discarded routing entries Total IP fragments Failed fragments IP reassembly failures Disas...

Страница 115: ...the echo request test will begin sending continuous PPP echo request packets to any open LCP ports Results are displayed on the screen At least one PPP session must be up Test Menu Dial Self Write sec...

Страница 116: ...are divided up as follows level 0 Fatal event causes reset level 1 Critical event level 2 Error event level 3 Warning event level 4 Notify event level 5 Informational event level 6 Debugging event Fig...

Страница 117: ...y must be at or below this level Range is 0 to 6 The default is 3 PPP Log View This menu displays the log list The fields are as follows Date Time Date and time event occurred Level Level associated w...

Страница 118: ...llows Date Time Date and time event occurred Level Level associated with this event 0 6 Message Text message for this event If message is too long to fit on the line another event appears below it con...

Страница 119: ...Range is 0 to 6 The default is 3 Network Log View This menu displays the log list The fields are as follows Date Time Date and time event occurred Level Level associated with this event 0 6 Message Te...

Страница 120: ...rity 4 Read security 5 The ping menu is used to send ICMP ping messages to hosts The following items are under this menu Start Stop Activator to start and cancel a ping test Host Address IP address or...

Страница 121: ...methods for upgrading are TFTP and XMODEM TFTP requires a TFTP server running somewhere on the network The Express L128 L128T starts a TFTP client function which gets the upgrade code from the TFTP se...

Страница 122: ...ss L128 L128T s maintenance port Press Return to display a simple terminal menu for upgrading This menu appears when the flash code has been erased or is corrupt The menu will also appear if you power...

Страница 123: ...Chapter 3 Terminal Menu Operation and Structure 106 Express L128 L128T User Manual 61202 070L1 1...

Страница 124: ...till does not pass self test call ADTRAN Tech nical Support for assistance See the inside back cover of this manual for information on contacting ADTRAN IF THE EXPRESS L128 L128T DOES NOT READ READY W...

Страница 125: ...ure A Ensure the line is plugged into the Express L128 L128T connector marked ISDN on the back of the Express L128 L128T B Make sure the Express L128 L128T is configured for Dial line service C If pos...

Страница 126: ...er s software setup Hardware configuration if the line is extended from the switch To isolate the problem perform the following procedure A Ensure the Express L128 L128T is setup for the correct switc...

Страница 127: ...Express L128 L128T is set up for the correct switch type B Make sure the line is multipoint C Make sure the Express L128 L128T is set up with the cor rect SPID and LDN For example SPID1 2057227046010...

Страница 128: ...Determine if the problem is the second phone number or the quantity of phone numbers D If possible try another piece of functioning ISDN equip ment with a U interface on the line E With the Express L1...

Страница 129: ...termine if the problem is with the second phone num ber or the quantity of phone numbers D If possible try another piece of functioning ISDN equip ment with a U interface on the line E With the Expres...

Страница 130: ...ll explicitly specifying the prefix of the long distance service for exam ple 10288 for AT T If this does not work then most likely the problem is that the long distance service provider is not provid...

Страница 131: ...Chapter 4 Troubleshooting 114 Express L128 L128T User Manual 61202 070L1 1...

Страница 132: ...e LAN Ethernet IEEE 802 3 10BaseT Switch Compatibility LUCENT 5ESS NTI DMS 100 National ISDN 1 Dual POTS Interface Maximum REN 3 Caller ID Ringing Signal Amplitude 185 Vp p 5V Ringing Signal Frequency...

Страница 133: ...s 5 phones 12 mA loop current each at 100 ft 24 AWG Supports 4 phones 15 mA loop current each at 100 ft 24 AWG Supports 3 phones 20 mA loop current each at 100 ft 24 AWG Supports 5 phones 13 mA loop c...

Страница 134: ...LL number The Express L128 L128T is dialing the number Call Connect B1 Bearer channel B1 is active with a call Call Connect B2 Bearer channel B2 is active with a call Call Connect B1 B2 Bearer channel...

Страница 135: ...work ISDN 1 Ready The ISDN link layers 1 through 3 are up against a switch running the ISDN 1 protocol and is ready for calls Layer 1 up The Express L128 L128T s ISDN layer 1 is up Link down The ISDN...

Страница 136: ...th the ISDN network RINGING An incoming call is ringing B1 and B2 Bearer Channel Status Messages 56K Connected at 56K call type 64K Connected at 64K call type Audio Connected at audio call type Dialin...

Страница 137: ...Appendix A Loop Status Messages 120 Express L128 L128T User Manual 61202 070L1 1 Routing Incoming call state in transition Waiting Call is between states or waiting for switch...

Страница 138: ...o a single PPP peer BACP X down level 5 Bandwidth Allocation Control Protocol port X has been dropped between Express L128 L128T and PPP peer BACP X up level 5 Bandwidth Allocation Control Protocol po...

Страница 139: ...be tween Express L128 L128T and PPP peer CHAP authen failed level 3 The PPP peer has rejected the Express L128 L128T s username and or pass word used for authenticating Check to make sure the Configur...

Страница 140: ...egotiated between Ex press L128 L128T and PPP peer Link is looped back level 3 The Express L128 L128T has dialed a location which is looping back all data Essentially it has negotiated PPP with itself...

Страница 141: ...thentication parameters Tx Method Tx Username and Tx Password are correct Peer failed CHAP authen level 3 The PPP peer s reported CHAP username and or password does not match the Express L128 L128T s...

Страница 142: ...d set in Configuration Security PPP Peer refused SpanTree level 4 The PPP peer would not participate in the Spanning Tree protocol This is a warning message only Bridging will still occur across the W...

Страница 143: ...PID format AutoSpid Retry level 4 ExpertISDN is attempting another SPID format AutoSwitch LUCENT level 4 ExpertISDN has determined that the switch protocol is LUCENT 5E custom AutoSwitch DMS level 4 E...

Страница 144: ...fo Cap Incorrect level 2 The bearer capability received in an information element from the switch was invalid Bearer Mode Incorrect level 2 The bearer mode received in an information element from the...

Страница 145: ...ion element describing the reason reported from the ISDN switch as cause for a call failure The value num is the diagnostic which can be helpful for diagnosing by the telephone compa ny or ADTRAN tech...

Страница 146: ...NED_NUMBER USER_ALERT_NO_ANS USER_BUSY WRONG_MESSAGE WRONG_MSG_FOR_STATE Conference number level 5 The Express L128 L128T has conferenced the held call with the active call If no caller ID is availabl...

Страница 147: ...OT ISDN level 4 The number dialed is not ISDN This is a warning and is most often seen for POTS calls Dial number level 5 The Express L128 L128T is dialing number Dialing level 5 A phone on the Expres...

Страница 148: ...er level 5 The Express L128 L128T has placed a call on hold If no caller ID is available for the ISDN line then number will be blank for incoming calls Hold Reject number level 5 The Express L128 L128...

Страница 149: ...s down trying to register second SPID LDN TOO LONG level 1 The number in either LDN 1 or LDN 2 is longer than 20 characters NETWORK BUSY level 2 Called location was busy or network could not route cal...

Страница 150: ...ral panic general error no rip rip tasks could not start out of memory out of available memory out of TCP ports all TCP ports are used up unknown error unknown fatal error has occurred Set timer error...

Страница 151: ...formation element was received from the ISDN switch with the val ue NN in hexadecimal Transfer number level 5 The Express L128 L128T has transferred the held call with the active call If no caller ID...

Страница 152: ...evel 6 The Express L128 L128T did not install a default route because the inter or hops was zero Rejecting packet with Source Routing option src srcip dest destip level 4 The Express L128 L128T has dr...

Страница 153: ...g failed level 6 Debugging message related to Telnet client function Telnet Client socket failed level 2 Telnet client function could not open TCP socket Telnet server connect to ip level 4 Telnet ser...

Страница 154: ...ONTBLOCK flag failed level 6 Debugging message related to Telnet client function TELNETD SOCKET creation error level 2 Telnet server could not be started due to TCP socket error TFTP can t get to host...

Страница 155: ...Appendix B Log Messages 138 Express L128 L128T User Manual 61202 070L1 1...

Страница 156: ...ram that collects controls and presents data pertinent to the operation of the network devices It resides on a network management station Agent This is a control program that responds to queries and c...

Страница 157: ...sage is the response to a network manager GetRe quest or GetNextRequest command Trap This is an unsolicited message issued by a network device to report an operational anomaly or an alarm condition to...

Страница 158: ...ties to be defined The privilege level of each community can be set The default community is public with read only privileges When the IP address is all zeros any manager of the community can access t...

Страница 159: ...Appendix C SNMP 142 Express L128 L128T User Manual 61202 070L1 1...

Страница 160: ...ut N A Not Applicable N C Not Connected Table D B RJ 45 ISDN Pin Name I O Description 1 CD N C Carrier Detect 2 RD O Receive Data 3 TD I Transmit Data 4 DTR N C Data Terminal Ready 5 GND N A Signal Gr...

Страница 161: ...ble D D 10BaseT Ethernet The switch position can be set for either TO NIC or TO HUB on the back panel of the Express L128 L128T The rear panel is illustrated in Figure 1 7 on page 18 Pin 3 Ring Pin 4...

Страница 162: ...interface Terminal commands are as follows top_menu sub_menu1 sub_menu2 config_item Each config_item is entered as shown below TYPE ENTERED AS string printable characters within double quotes passwor...

Страница 163: ...ISDN menu pots Goes directly to Con guration WAN POTS menu ip Goes directly to Con guration IP menu ipx Goes directly to Con guration IPX menu bridge Goes directly to Con guration Bridge menu securit...

Страница 164: ...128 L128T in terminal mode A baud rate of 9600 is strongly recommended when uploading As soon as the upload has been completed type save to save the new configuration to flash A reset command or power...

Страница 165: ...Appendix E Terminal Mode Commands 148 Express L128 L128T User Manual 61202 070L1 1...

Страница 166: ...ropriate firmware by calling ADTRAN Technical Support at the number listed in the back of this manual Configuration Frame Relay Figure F 01 shows the Configuration Frame Relay menu that appears when u...

Страница 167: ...e with Frame Relay Polling Frequency Write security 3 Read security 5 This parameter is the interval that the Express L128 L128T polls the Frame Re lay switch using the maintenance protocol selected a...

Страница 168: ...ters from an old profile to this newly inserted profile use the copy C and paste P keys Entire configuration trees can be copied with this method To delete an unused profile use the D key when the cur...

Страница 169: ...en this DLCI becomes active the Express L128 L128T will add a route in the IP routing table IP Map IP Netmask Write security 3 Read security 5 The IP network mask to apply to the Far End IP Address an...

Страница 170: ...transmitted and are listened to on this virtual circuit Tx Only RIP advertisements are periodically transmitted but are not listened to on this virtual circuit Rx Only RIP is not transmitted on this v...

Страница 171: ...LCI Mapping Bridge Map This menu is used to permit bridging of packets over this DLCI Each DLCI or virtual circuit must be assigned a bridge group The bridge group treats all virtual circuits as one c...

Страница 172: ...ing packets from this PVC are blocked except as defined in the Filters In Exceptions list Forward All All incoming packets from this PVC are not blocked except as defined in the Filters In Exceptions...

Страница 173: ...y 5 The packets which transmit out this PVC from the Express L128 L128T can be filtered in three ways Disabled def Turns off packet output filtering No outgoing packets to this PVC are blocked Block A...

Страница 174: ...able with this option are described following the figure Figure F 02 Status Sessions Screen with Frame Relay Sessions PPP Session Read security 5 This menu reflects the results of PPP negotiations use...

Страница 175: ...tes received Tx Rate Current application data transmission rate Rx Rate Current application data reception rate Tx Link Rate Current actual data transmission rate Rx Link Rate Current actual data rece...

Страница 176: ...CI IP SubIfc The IP router port assigned for this DLCI Possible ports are fr0 fr1 fr9 None means that this DLCI not used for routing IP IPX SubIfc The IPX router port assigned for this DLCI Possible p...

Страница 177: ...Appendix F Frame Relay Firmware Version 160 Express L128 L128T User Manual 61202 070L1 1...

Страница 178: ...s defined by CCITT standards a type of telecommunication service that pro vides the capability for the transmission of information between user to net work interfaces Bearer services defined for ISDN...

Страница 179: ...rovide packet mode data service DDS Dataphone Digital Service AT T private line service for transmitting data over a digital system The digital transmission system transmits electrical sig nals direct...

Страница 180: ...specifying a linear bus network LAN with a CSMA CD access method on a bus topology Ethernet follows the 802 3 standard transmitting at 10 megabits per second This is the most common local area networ...

Страница 181: ...E 802 3 a data packet whose length exceeds that pre scribed in the standard jitter The slight movement of a transmission signal in time or phase that can intro duce errors and loss of synchronization...

Страница 182: ...ows how an Internet address is to be divided into network subnet and host parts The netmask has ones in the bit positions in the 32 bit address which are to be used for the network and subnet parts an...

Страница 183: ...e best route between two networks Routers for ward packets from one network to another based on network layer informa tion routing metric The method by which a routing algorithm determines one route i...

Страница 184: ...packet is ever sent out on the WAN synchronous 1 The condition occurring when two events happen in a specific time rela tionship with each other both under control of a master clock 2 A method of dat...

Страница 185: ...ISDN A single ISDN circuit divided into two 64 kbps digital channels for voice or data and one 16 kbps channel for low speed data up to 9 600 baud and signalling 2B D is carried on one or two pairs of...

Страница 186: ...U S regulations this also marks the line of demarcation between customer owned equipment and the public network ZIP Zone Information Protocol The AppleTalk session layer protocol used to maintain and...

Страница 187: ...Glossary 170 Express L128 L128T User Manual 61202 070L1 1...

Страница 188: ...nal Telegraphy and Telephony CD Carrier Detect CPE Customer Premises Equipment CRC Cyclic Redundancy Check CSMA CD Carrier Sense Multiple Access Collision Detect DHCP Dynamic Host Configuration Protoc...

Страница 189: ...NIC Network Interface Card NI 1 National ISDN 1 NT Network Termination PBX Private Branch Exchange PC Personal Computer PING Packet InterNet Groper POTS Plain Old Telephone Service PPP Point to Point...

Страница 190: ...7 authentication caller ID 66 authentication Rx password 66 authentication Rx username 66 authentication Tx method 65 authentication Tx password 66 authentication Tx username 66 autospid 37 B B1 and B...

Страница 191: ...uration bridge 50 configuration connection list 63 configuration IP 40 configuration IPX 47 configuration management 83 configuration management menu 83 configuration security 56 configuration system...

Страница 192: ...153 DLCI table 158 DMS 100 37 DNS 44 DNS server 44 DNS domain name 44 DNS server 1 44 DNS server 2 45 domain name 44 download uploading configuration 147 DTMF keypad 22 E EAP 58 66 echo request 98 EIA...

Страница 193: ...operability 19 IP filter defines 60 IP map active 151 IP map far end IP address 152 IP map IARP 152 IP map IP netmask 152 IP map link IP address 152 IP Map NAT 153 IP map RIP direction 153 IP map RIP...

Страница 194: ...99 logs call log 100 logs network log 101 logs PPP log 99 logs sys log host 99 loop status messages 117 M MAC addresses 11 MAC bridging 12 MAC filter defines 59 maint port baud rate 86 maint port dat...

Страница 195: ...rface dual 115 POTS NI 1 conference FI 39 POTS NI 1 transfer FI 39 POTS POTS assignment 39 POTS speech calltype routing 39 power requirements 116 PPP 19 58 73 PPP log 99 PPP log messages 121 PPP log a...

Страница 196: ...urity radius server 57 security when 57 seed status 48 self test if self test fails 107 sessions DLCI table 158 sessions PPP session 157 sessions spanning tree 159 SetRequest 140 slave mode 38 SNMP 85...

Страница 197: ...145 test indicators 17 test menu 29 98 test menu dial self 98 test menu echo request 98 TFTP 104 TFTP host 104 transfer methods 104 Trap 140 traps 141 traps manager IP 86 traps manager name 86 troubl...

Страница 198: ...P bridge 50 WAN IP bridge proxy ARP 51 WAN IP bridge netmask 51 WAN IP bridge network 51 WAN IP bridge triggered 51 WAN IPX bridge 51 WAN IPX bridge frame type 52 WAN IPX bridge network 52 WAN IPX bri...

Страница 199: ...Index 182 Express L128 L128T User Manual 61202 070L1 1...

Страница 200: ...rmines that a repair is needed Technical Support will coordinate with the Customer and Product Service CAPS de partment to issue an RMA number For information regarding equipment currently in house or...

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