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Verilink T1 Reference Manual

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T1 Access Router
Reference Manual
December 2002
34-00327.A
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Summary of Contents for Verilink T1

  • Page 1 T1 Access Router Reference Manual December 2002 34-00327.A...
  • Page 2 All other brand and product names used herein are trademarks or registered trademarks of their respective manufacturers. Documentation This document does not create any express or implied warranty about Verilink or about its prod- Disclaimer ucts or services. Verilink’s sole warranty is contained in its product warranty. The end-user doc- umentation is shipped with Verilink’s products and constitutes the sole specifications referred to...
  • Page 3 The unit has been designed to prevent harm to the network. If the telephone company finds that the equipment is exceeding tolerable parameters, it can temporarily disconnect service. In this case, the telephone company will give you advance notice, if possible. No customer is authorized to repair this equipment, regardless of warranty status.
  • Page 4 T 1 A c c e s s R o u t e r...

  • Page 5: Table Of Contents

    Internet ........................... xiii Returning a Unit to Verilink ....................... xiii Chapter 1 About the T1 Access Router Introduction ............................1-1 Features of the T1 Access Router ....................... 1-2 Performance ..........................1-2 SNMP Management ........................1-3 Intelligent WAN Access Architecture ..................1-3 Optional Advanced Network Management ..................
  • Page 6 Chapter 3 Web Server Interface Web Server Access ..........................3-1 Layout of Interface Screens ......................3-2 Unit Screen ............................3-2 Interfaces ............................. 3-5 Network ............................3-5 Error Status and Alarm Thresholds Table ................3-7 Performance Screens ........................3-8 10/100 Ethernet (IP Service Details Screen) ................3-10 Supervisory ..........................
  • Page 7 Network Address Translation (NAT) ..................3-62 NAT Details Screen ......................3-63 Dynamic Host Configuration Protocol (DHCP) ................ 3-68 DHCP Server Details Screen ....................3-69 Bridge ............................3-73 Simple Mail Transfer Protocol (SMTP) ..................3-77 Utilities ............................. 3-78 Upload/Save ..........................3-78 TFTP Configuration ......................
  • Page 8 SNMP ............................4-40 Diagnostics ..........................4-41 Test Details Screen ......................4-42 Trap Log ............................. 4-44 Top Talkers ..........................4-45 IP Gateway ..........................4-46 RIP Parameters ........................4-47 OSPF Parameters ......................... 4-47 Circuit Table Screen ......................4-48 Static Route Table Screen ....................4-50 Static ARP Table Screen .....................
  • Page 9 Ethernet Connection Pin Assignments ..................A-5 Network Interface Pin Assignments .................... A-5 Supervisory Port Pin Assignments ....................A-5 Appendix B SNMP Agent Introduction ............................B-1 SNMP Configuration Parameters .......................B-1 SNMP MIBs ............................B-1 SNMP Trap Configuration .........................B-2 Generic MIB Loading Instructions .....................B-2...
  • Page 10 T 1 A c c e s s R o u t e r...

  • Page 11: Preface

    Appendix A, "Specifications" – This appendix defines the specifications for the T1 Access Router. In addition, this section provides ordering information and all the connector pin assignments for the interfaces on the back of the T1 Access Router. Appendix B, "SNMP Agent" − This appendix defines which Management •...

  • Page 12: Customer Service And Technical Support

    Support from Your Network Supplier If assistance is required, contact your network supplier. Many suppliers are authorized Verilink service partners who are qualified to provide a variety of services, including network planning, installation, hardware maintenance, application training, and support services. When you contact your network supplier for assistance, have the following information ready: •...

  • Page 13: Internet

    Name and phone number of person we can contact if we have questions about the unit(s) The address for you to use when returning a unit to Verilink will be provided when the RMA is issued. The standard delivery method for return shipments is Standard Ground for domestic returns and International Economy for international returns (unless otherwise specified).
  • Page 14 T 1 A c c e s s R o u t e r...

  • Page 15: Introduction

    HAPTER OUTER Introduction The T1 Access Router is a compact, feature-rich “standard” router designed to allow small and medium-sized businesses and enterprises with multiple branch locations to take advantage of lower cost T1 connections. Installed on the customer’s premises, this powerful router with an integrated CSU/DSU enables high-speed Internet access and site-to-site communications.

  • Page 16: Features Of The T1 Access Router

    RIP 1 and RIP 2 allow routers to exchange routing information. The T1 Access Router then uses this information exchange to build routing tables for IP Packet routes. After building the routing tables, the T1 Access Router periodically broadcasts the contents to neighboring routers so your network can choose the most efficient routes available.

  • Page 17: Snmp Management

    The T1 Access Router extends the functionality of NetVoyant’s software by incorporating customized configuration modules. This advanced network management system is offered as an option for the T1 Access Router. Please contact Verilink for availability and pricing information. About FrameStart Technology FrameStart’s integral frame relay circuit installation and diagnostic tools help...

  • Page 18: T1 Access Router Overview And Advantages

    − the T1 Access Router is extremely flexible and adapts to numerous network applications. Ensures a higher level of service − the T1 Access Router acts as an expert • frame relay Service Level advisor for service providers and users.

  • Page 19: Features Summary

    Management Interfaces: WANsight − an innovative, embedded Web-based user interface for • remote configuration and real-time reporting via Web browser (Verilink recommends Microsoft Internet Explorer 5.0 or higher) that decreases installation and configuration time for service employees, simplifies troubleshooting and fault isolation of network problems, and optimizes...

  • Page 20: Front Panel

    LED status indicators that provide access to unit configuration, diagnostics, and utilities. Figure 1.1 Front Panel of T1 Access Router The T1 Access Router’s front panel LED status indicators are defined in the table below: Indicator Description MODE Normally, the MODE indicator lights green.

  • Page 21: Rear Panel Connections

    *The CONFIG button must be held until the MODE LED lights amber and remains illuminated for the default configuration to take effect. Rear Panel Connections The rear panel of the T1 Access Router has four connectors − POWER − as shown in Figure 1.2...

  • Page 22: 10/100 Ethernet

    (either transmit or receive). The LED on the right side of the jack lights green to indicate that the link layer is operational. Network Interfaces Labeled on the rear panel of the T1 Access Router as , this interface’s connection is a standard RJ-48C, eight-pin modular jacks that contain an automatic line build out (ALBO).

  • Page 23: Power Connection

    100–240 VAC (shown in Figure 1.3 below) or an autoranging 18−150 VDC external power supply (connection shown in Figure 1.4 below) to the unit. The T1 Access Router must be used with the UL Listed/CSA Certified Class 2 power supply provided with the unit or ordered separately from Verilink.

  • Page 24: Power Failure

    If the indicator does not illuminate, check the power connections and the primary AC circuit breaker. The T1 Access Router provides non-volatile memory retention of the unit configuration in case of a power failure. This feature allows the unit to automatically restore normal service and retain pre-existing time and date information following a power loss.

  • Page 25: Chapter 2 Installation

    Wizard are also described in this chapter. Unpacking and Inspection The T1 Access Router is shipped in cardboard cartons with foam inserts for shock and vibration protection. When your shipment arrives, inspect the shipping container and contents and compare all items with those on the packing list.

  • Page 26: Installation Wizard

    Installation Wizard One of the ways to configure and monitor the T1 Access Router is through the Web Browser interface. To gain access to this interface, the unit must be configured with an IP Address. Verilink provides a DOS-based program – the Verilink Configuration Wizard –...
  • Page 27 Using the Tab key again, move the cursor to the “IP Address” field and enter the appropriate IP Address for the unit (xxx.xxx.xxx.xxx). If necessary, repeat this process for the “Subnet Mask” and “Gateway Address” fields. Next, move the cursor to the “Write To Unit” field and press the Enter key. The program will prompt you to reset the unit.
  • Page 28 T 1 A c c e s s R o u t e r...

  • Page 29: Chapter 3 Web Server Interface

    The T1 Access Router has an innovative, embedded Web-based user interface (WANsight) for remote configuration and real-time reporting via Microsoft Internet Explorer 5.0 or higher. Access to the Web server interface and how the interface is used to configure the T1 Access Router unit are described in detail below. NOTICE: Verilink recommends the use of Microsoft’s Internet Explorer 5.0 or...

  • Page 30: Layout Of Interface Screens

    When you first access the Web Server interface, your browser will display a screen that is divided into three frames. The upper frame forms a border across the top of the screen; it identifies the Verilink unit in service and displays the hardware and software revision and serial numbers under which the unit is operating.
  • Page 31 Figure 3.1 Unit Screen The Unit screen displays the following fields: Field Function Object ID Display-only field used to point an SNMP agent to this ID. Up Time Displays the amount of time the unit has been up and running. Contact Stores the name of a point-of-contact for system failure.
  • Page 32 The Unit screen provides the following user-activated buttons: Button Function Submit Sets any values that have been changed. Use the top “Submit” button to set any unit parameters changed in the upper section of the screen, and the lower “Submit” button to set the real-time clock.

  • Page 33: Interfaces

    100 Ethernet, and Supervisory. Each of these interfaces is described below. Network The T1 Access Router Network screen (Figure 3.4) lets you view and make changes to the Network interfaces’ configuration as described below. In addition, the screens provide a table that displays the alarm values for the Network interfaces.
  • Page 34 Network − Internal, Network Definitions of the timing sources are as follows: Internal – The unit’s internal frequency standard (T1 1.544 Mbps ± 50 bps) is used for all timing. Network – Timing is derived from the Network port recovered clock.

  • Page 35: Error Status And Alarm Thresholds Table

    To effectively disable alarm reporting, set all fields to “0” (zero). The 15-minute time frame is not based on the TR 54016 or T1.403 interval boundaries, but is a time window based on the accumulated counts over the previous fifteen 1-minute intervals.

  • Page 36: Performance Screens

    OOFS Sets the Out of Frame Seconds (OOFS) threshold. An OOFS is a 1-second period in which a frame sync loss occurred. The default value is 5 seconds. AISS Sets the Alarm Indication Signal Seconds (AISS) threshold. An AIS is a 1- second period when unframed all ones are received.
  • Page 37 Figure 3.5 Network Performance/Summary Screen In addition to the error parameters found in the Error Status and Alarm Thresholds Table on page 3-7, the following error parameters are included on the Network Performance/Summary table: The Bursty Error Seconds (BES) refers to a 1-second period during which at least more than one but fewer than 320 CRC6 errors occurred.

  • Page 38: 10/100 Ethernet (Ip Service Details Screen)

    Figure 3.6 Network Performance 24 Hour Screen Figure 3.7 Network Performance 30 Day Screen 10/100 Ethernet (IP Service Details Screen) The 10/100 Ethernet (IP Service Details) screen (Figure 3.8) lets you configure the IP parameters described below. 3-10 T 1 A c c e s s R o u t e r...
  • Page 39 Figure 3.8 10/100 Ethernet (IP Service Details) Screen Unit IP Address A unique network address assigned to this unit. Subnet Mask Defines the network portion of the unit’s IP address. Gateway IP Address IP address of the default gateway (router) on the LAN side of the unit. DHCP Client If DHCP Client is enabled at power-up, the unit will request its IP, Mask, and Gateway addresses from a DHCP server located on the LAN side of the unit,...
  • Page 40 Figure 3.9 Ethernet Statistics Screen Click on the Unit Access Table button on the Ethernet (IP Details) screen to view the Unit Access Table (Figure 3.10), which specifies up to 10 different IP networks that may access the unit’s parameters. If no IP networks are supplied, any host may access the unit.

  • Page 41: Supervisory

    Figure 3.11 Unit Access Details Supervisory The Supervisory interface’s screen (Figure 3.12) displays the current speed of the Supervisory port interface and other parameters as described below. Figure 3.12 Supervisory Screen Click on the “Supervisory Services” button at the bottom of the screen to view service information for the Supervisory interface.

  • Page 42: Services

    Stop Bit Selects the number of bits required to end the character. Values: 1, 2 Default: 1 Services The Services screen (Figure 3.13) displays the unit’s defined services and the Interface, Type, and Pair parameters for each service. Figure 3.13 Services Screen The table in the center of the screen displays the available services listed by index number.

  • Page 43: Interface Details Button

    Figure 3.14 Service Details Screen The Service Details screen lets you change for each service the parameters listed below. Parameter Options Interface Unassigned, Supervisory, Network, 10/100 Ethernet, Virtual* Type TDM, PPP, Frame Relay, IP, tty Pair User-assigned integer field that specifies where to route the traffic from this Service.

  • Page 44: Type Details Button

    Type Details Button Clicking the “Type Details” button on the Service Details screen lets you view (and, in some cases, change) interface parameters for the specified service. The details displayed depend on the type of service currently in effect for the selected service. You will see this same screen if you click on the service under the “Type”...

  • Page 45: Frame Relay Service Details Screen

    Figure 3.16 Channel Table Details Screen The Channel Table Details screen lets you establish the Rate, Service, and Idle Pattern parameters for any available channel. The screen parameters are described below. Rate The unit can operate at any data rate that is a multiple of 56 or 64 kbps. Values: 56K, 64K Default: 64K Service...
  • Page 46 Figure 3.17 Frame Relay Service Details Screen Interface Type If this service is connected to a Frame Relay network, the Interface Type should be set to “UNI” as it is the user side of a User-to-Network interface. If it is connected to a FRAD/Router, the Interface Type should be set to “NI” as it is the network side of a User-to-Network interface.
  • Page 47 This counter indicates the number of “keep alive” status inquiries that are sent between full status requests. Values: 5–255 Default: 5 The N2 counter specifies the total number of link reliability errors and protocol errors that can occur during the sliding event monitor count defined by N3.
  • Page 48 DLCI it learns as soon as the DLCIs are set active. This is required to calculate round trip delay as well as to discover remote T1 Access Router/FST/FSD units. This parameter should be set to “Yes” only on...
  • Page 49 frame relay connection. Also if set to “Yes,” the unit will gather SLA parameters such as frame and data delivery ratio as defined in the Frame Relay Forum Implementation, FRF.13. Those gathered statistics are then displayed on the DLCI Statistics screen as shown on page 3-37. Values: No, Yes Default: No Round Trip Delay Size...
  • Page 50 Button Function DLCI Table Opens the DLCI Table screen, which displays all the DLCIs on the current service. Refer to DLCI Table Screen on page 3-38 for more information. Clear Alarms Clears all Frame Relay alarms. NOTICE: When a “Submit” command is executed, the Frame Relay link will be re-initialized with the new parameters, causing a brief interruption in data transfer.

  • Page 51: Ppp Service Details Screen

    Stat Inquiries Number of octets transmitted in frame relay LMI status inquiries. Stat Responses Number of octets transmitted in frame relay LMI status responses. Receive Frames Number of frames received by the port. Octets Number of octets received by the port. Mgmt Frames Number of management frames received by the port.
  • Page 52 Figure 3.19 PPP Service Details Screen ACCM The Asynchronous Control Character Map (ACCM) configuration option provides a method to negotiate the use of control character transparency on asynchronous links. Values: 0–4294967295 Default: 4294967295 The Maximum Receive Units configuration option may be set to inform the peer that the implementation can receive larger packets, or to request that the peer send smaller packets.

  • Page 53: Parameters To Negotiate

    Initiate Negotiation Determines whether the port actively negotiates with the peer site or passively waits for negotiation requests. Values: Yes, No Default: Yes Allow PAP Lets the peer to negotiate for PAP. Values: No, Yes Default: No Allow CHAP Lets the peer to negotiate for CHAP. Values: No, Yes Default: No PAP Username...

  • Page 54: Ppp Statistics

    Parameter Description MRU (Maximum Informs the peer that the implementation can receive larger Receive Units) packets, or to request that the peer send smaller packets. Default = Yes HDLC Address Provides a method to negotiate the compression of high-level Compression data link control (HDLC) addresses.

  • Page 55: Pap Table

    Transmit Frames Number of frames transmitted by the port. Octets Number of octets transmitted by the port. Mgmt Frames Number of management frames transmitted by the port. Mgmt Octets Number of management octets transmitted by the port. Receive Frames Number of frames received by the port. Octets Number of octets received by the port.

  • Page 56: Chap Table

    Figure 3.21 PAP Table Screen Select an Index number and click the “PAP Details” button at the bottom of this screen to bring up a PAP Details screen (Figure 3.22) in which you can view, change, or delete the Username and Password for that particular PAP Index.

  • Page 57: Ip Service Details Screen

    Figure 3.23 CHAP Table Screen Select an Index number and click the “CHAP Details” button at the bottom of this screen to bring up a screen in which you can change the Username and Secret for that particular CHAP Index. Figure 3.24 CHAP Details Screen To change the Username and Secret for a selected CHAP Index, enter the new...

  • Page 58: Endpoint Details Screen

    The Endpoint Table and its corresponding DLCIs will be saved in the configuration database only after at least one endpoint parameter has been changed and submitted in the Endpoint Details screen (page 3-30). NOTICE: The Endpoint Table and its corresponding DLCIs will be saved in the configuration database only after at least one endpoint parameter has been changed and submitted in the Endpoint Details Screen on page 3-31.
  • Page 59 Figure 3.26 Endpoint Details Screen Name When the unit learns a new DLCI, it creates an endpoint entry and a DLCI entry if they are not already configured. The endpoint’s Name will automatically be assigned as “Dynamic”; however, this name can (and most likely should) be changed to reflect a remote location name.
  • Page 60 Default: 0 Remote IP Address If this T1 Access Router unit is to be used to manage a remote T1 Access Router unit, the IP address of the remote T1 Access Router unit must be configured here. This DLCI can be used for management only, or for management and actual data.

  • Page 61: Endpoint Service Details Screen

    The Endpoint Details screen provides the following user-activated buttons: Button Function Submit Sets any values that have been changed. Service Details Opens the Service details screen showing the selected service's settings. DLCI Details Displays details of the selected DLCI. Delete Endpoint Deletes the currently displayed endpoint.
  • Page 62 Default: No In Band Management If the unit is to be used as a gateway to reach a remote T1 Access Router through this DLCI, this parameter should be set to “Yes,” and the remote IP address and Mask should be configured in the corresponding endpoint.
  • Page 63 The status is “Inactive” in all other cases. Values: Active, Inactive, SOS Default: Inactive Remote DLCI If the remote unit is a Verilink FSx product, and FrameStart Auto Discovery is enabled, this displays the DLCI number used on the remote end of this DLCI. Values: 16−1023...
  • Page 64 CIR Alarm Reports if the Tx over CIR threshold has been exceeded. Bits Over Be Threshold Sets the Tx over Be alarm threshold. This threshold is the number of bits per second in excess of CIR + Be during a 15-minute interval. Setting this field to “0”...
  • Page 65 Figure 3.28 DLCI Statistics Screen There are ninety-six 15-minute buckets (sampled every second) available for DLCI statistics. If the unit is powered on at 01:00 PM, the first interval will be completed at 01:15 PM; subsequent intervals would be completed at xx:30, xx:45, xx:00 and xx:15.

  • Page 66: Service Aware

    Figure 3.29 DLCI Table Screen NOTICE: The DLCI Table and DLCI Details screens are available from both the Endpoint Table and the Frame Relay Service Details screens. Service Aware The Service Aware function recognizes IP traffic and counts the number of frames and bytes passed for a specific service based on filters by DLCI, by IP Address, and by IP Port.

  • Page 67: Rule Details Screen

    Figure 3.30 Service Aware Screen NOTICE: If you change the Service parameter, you must click on “Submit” to see the appropriate DLCIs. The Service Aware screen provides a “Clear Alarms” user-activated button at the bottom of the screen. Rule Details Screen Use the Rule Details screen (Figure 3.31) to establish Service Aware parameters.
  • Page 68 Figure 3.31 Rule Details Screen The paragraphs below describe the rule configuration parameters and their options. Service Selects the service to which the rule applies. Select from a pull-down list of available services. NOTICE: If you change the Service parameter, you must click on “Submit” to see the appropriate DLCIs.

  • Page 69: Traffic Meter Statistics Screen

    Filter By IP Port Enables or disables filtering of the IP traffic by the IP port specified in the IP Port field. Tx Alarm Threshold Specifies the threshold in octets for the Transmit Alarm on this rule. Tx Alarm Shows the current Transmit Alarm status. IP Port List Provides a drop-down list of well-known port IDs for TCP and UDP.

  • Page 70: Snmp

    30 minutes ago, ..., 24 hours ago. SNMP The unit detects and reports T1 network alarms and provides several options for reporting them, one of which is SNMP traps. When a network alarm occurs, the unit sends a trap message to as many as eight destinations on your network.

  • Page 71: Diagnostics

    Diagnostics The Diagnostics screen (Figure 3.34) provides a table for viewing the current settings for the test and maintenance functions performed on the available interfaces. This screen shows an upper-level view of all the interfaces so you can see if any port is under test, and, if so, view the results. You may change Diagnostic parameters on the Test Details screen, which is accessed from a button on the Diagnostics screen.

  • Page 72: Test Details Screen

    Channel Rate Sets the bit rate to BERT for each selected channel. If “Νx64K” is selected, the ones density requirements of the T1 network line must be ensured. If “Νx56K” is selected, ones density for the selected DS0 channel is maintained.
  • Page 73 Test Duration Specifies the length of time for which the test should run for the selected port. Values: 15 minutes, 30 minutes, 1 hour, 24 hours, Continuous Default: 15 minutes You can also view the following read-only parameters from this screen: Pattern Sync Displays the state of pattern sync during a test.

  • Page 74: Trap Log

    Button Function Error Inject Injects a bit error. Reset Errors Resets the current error count. Loop Submit Sets the type of Loop test. Trap Log The Trap Log screen (Figure 3.36) shows a collection of all the traps that have been generated. A trap is a mechanism that permits a device to send an alarm for certain network events to an SNMP management station;...
  • Page 75 Figure 3.37 Top Talkers Screen To generate a Top Talkers report, enter the desired report size in the appropriate field and then click the “Submit” button. Duration Establishes the amount of time (in seconds) for which the Top Talkers report will capture IP traffic;...

  • Page 76: Ip Gateway

    IP address. IP Gateway The IP Gateway is a feature of the T1 Access Router that allows routing of IP packets from one network to another using static routes configuration and/or dynamic routing. The IP Gateway uses Routing Information Protocol (RIP) 1 or RIP 2 or Open Shortest Path First (OSPF) routing.

  • Page 77: Rip Parameters

    RIP Parameters RIP Enable Globally enables RIP 1, RIP 2, or No RIP. Values: Disable, Enable RIP1, Enable RIP2 Default: Enable RIP2 RIP Trust Neighbors Globally enables the trusted neighbors feature. If there is a list of trusted neighbors in an IP Gateway, only RIP packets coming from those trusted neighbors will be used to build the internal routing table.
  • Page 78 Figure 3.39 Circuit Table Screen Circuit Details Screen Access this menu by clicking on the appropriate number under the “Index” column on the Circuit Table screen. Figure 3.40 Circuit Details Screen Endpoint Endpoint name. By default, the first circuit is always the LAN circuit. All other circuits are associated with Endpoint names as defined in the Endpoint Table shown in Figure 3.25 on page 3-30.
  • Page 79 RIP Status Indicates whether or not RIP is enabled on this circuit. Values: Enable, Disable Default: Enable Multicast Status Indicates whether or not Multicast is enabled on this circuit. Values: Enable, Disable Default: Enable OSPF Status Indicates whether or not OSPF is enabled on this circuit. Values: Enable, Disable Default: Disable OSPF Area...

  • Page 80: Static Routes Screen

    The Circuit Details screen provides the following user-activated buttons: Button Function Submit Sets any values that have been changed. Circuit Table Returns you to the previous screen. Static Routes Screen Under some circumstances, it may not be necessary for a router to learn a route using ordinary means such as RIP or OSPF.
  • Page 81 Figure 3.42 Route Details Screen Endpoint Endpoint name (or interface) through which to send the IP packet to reach the Target IP Address. Target IP Address Represents the target network that you want this router to reach. Values: 0.0.0.0−255.255.255.255 Default: 0.0.0.0 Target IP Mask Mask of the Target IP or network.

  • Page 82: Static Arp Table Screen

    Dynamic Route Table Screen Access this menu by selecting “Static Route Table” from the RIP Parameters table on the IP Gateway menu and then selecting Dynamic Route Table. This table shows both dynamic and static routes. Please note that not all parameters are necessarily defined, depending on whether or not the routes were learned dynamically.
  • Page 83 Figure 3.44 ARP Table Screen Endpoint Endpoint name (or Interface) through which to send the IP packet to reach the defined IP Address. The default is the LAN. IP Address The IP address of the unit for which you want to define the MAC address. MAC Address The MAC address of the host to be reached.

  • Page 84: Trusted Neighbor Table Screen

    MAC Address MAC address of the Host to be reached. Values: A 6-byte value Default: 00-00-00-00-00-00 ARP Status Displays whether this ARP is enabled or disabled. Values: Enable, Disable Default: Enable The ARP Details screen provides the following user-activated buttons: Button Function Submit...

  • Page 85: Area Table Screen

    The Neighbor Details screen provides a “Delete Neighbor” prompt that lets you delete this Trusted Neighbor. Area Table Screen An Area allows growth and makes the networks at a site easier to manage. An area is self-contained; knowledge of an area’s topology remains hidden from other areas.
  • Page 86 Figure 3.49 Area Details Screen Area ID This parameter has the same format as the IP Address of the Mask Address. Values: 0.0.0.0−255.255.255.255 Default: 0.0.0.0 Enable Displays whether or not this Area is enabled. Values: Enable, Disable Default: Enable Auth Type Indicates type of Authentication.

  • Page 87: Virtual Link Table Screen

    Values: Yes, No Default: No The Area Details screen provides the following user-activated buttons: Button Function Submit Sets any values that have been changed. Area Table Returns you to the previous screen. Deletes the currently defined Area. Delete Area Virtual Link Table Screen To permit maximum flexibility, OSPF allows the configuration of virtual links to enable the backbone area to appear contiguous despite the physical reality.

  • Page 88: Tcp Server

    Enable Enables this definition of a virtual link. Transit Area ID The non-backbone area that the virtual link goes through. Area Border Router ID The Router ID of the virtual link’s other endpoint. The “Add New” button lets you define a new Virtual Link. Virtual Link Details Screen Access this screen (Figure 3.51) by clicking on the appropriate number under the “index”...
  • Page 89 Figure 3.52 TCP Server Details Screen Access the TCP Connection Details screen (Figure 3.53) by clicking on the appropriate number under the “Connection” column on the above screen. The TCP Connection Details screen lists the index number, the endpoint name, the TCP local port number, and whether or not this entry is enabled.

  • Page 90: Network Address Translation (Nat)

    Figure 3.55 TCP Host Access Table Screen You can access the Host Access Details (Figure 3.56) for a specific Index number by clicking on the appropriate numbered link under the “Index” column. Figure 3.56 TCP Host Access Details Network Address Translation (NAT) NAT is a method of connecting multiple computers to the Internet (or any other IP network) using one IP address.

  • Page 91: Nat Details Screen

    NAT Details Screen The NAT Details screen (Figure 3.57) lets the user configure the NAT global parameters described below. Figure 3.57 NAT Details Screen Enable Enables or disables NAT. Default is “Disable.” Mode Selects the Network Address Port Translation (NAPT) mode or the Basic NAT mode.
  • Page 92 IP Entry Timer The maximum time (in seconds) NAT will use resources when not using TCP, UDP, or ICMP. Values: 0−65535 Default: 120 TCP Connection Timer The maximum time (in seconds) NAT will use resources when attempting to establish a TCP connection. Values: 0−65535 Default: 300 TCP Closing Timer...
  • Page 93 Static TCP Translation Table Screen The Static TCP Translation Table screen (Figure 3.58) allows static mapping of global TCP Server ports to a local host IP address/port combination. The parameters described below enable access to TCP servers on the private/ corporate network “behind the NAT.”...
  • Page 94 corporate network “behind the NAT.” The parameters may be used only when in NAPT mode. Figure 3.60 Static UDP Translation Table Screen Global Port Decimal IP Port exposed to the global Internet. Default is 0. Server Port Decimal IP Port of the local UDP Server. This port is usually the same as the Global Port.
  • Page 95 Figure 3.62 NAT Ports Screen Endpoint The Endpoint name of the circuit associated with the LAN or WAN port. Default is LAN for the first port. Enable Enables or disables the NAT port. Default is “Enable.” Default Translation Forces translation on a specific IP port regardless of the source IP Address. If Default Translation is set to “Enable,”...

  • Page 96: Dynamic Host Configuration Protocol (Dhcp)

    The NAT Port Details screen provides the following user-activated buttons: Button Function Submit Sets any values that have been changed. NAT Details Returns the user to the NAT Details screen. NAT Port Table Returns the user to the NAT Port Table screen. Delete NAT Port Deletes the specified NAT Port.

  • Page 97: Dhcp Server Details Screen

    NOTICE: Always verify that a DHCP server is available on the network before enabling DHCP Client. If, on power-up, a DHCP server is not found, a 60-second timeout will occur. DHCP Server Details Screen The DHCP Server Details screen (Figure 3.65) lets you configure the parameters described below.
  • Page 98 Secondary WINS IP If requested by DHCP client, the client then uses this secondary address to Addr resolve names of IP addresses. Default is 0.0.0.0. The DHCP Server Details screen provides the following user-activated buttons: Button Function Submit Sets any values that have been changed. Host Table Lists Host names (DHCP server identification).
  • Page 99 Figure 3.67 DHCP Host Details Screen Static Entry Table Screen The Static Entry Table screen (Figure 3.68) lists static IP addresses associated with MAC addresses. This ensures that the same IP address will always be used for a given PC provided its MAC address is known. These parameters are configured on the Static Entry Details screen (Figure 3.69) accessed by selecting a number from the “Entry Index”...
  • Page 100 Figure 3.69 Static Entry Details Screen IP Address List Table Screen The IP Address List Table screen (Figure 3.4) displays the “pool” of addresses available for DHCP clients. These parameters are configured on the IP Address Details screen (Figure 3.71) accessed by clicking on an “Index” number.

  • Page 101: Bridge

    Figure 3.71 IP Address Details IP Address Status Table Screen The IP Address Status Table screen (Figure 3.72) displays a list of all current DHCP clients. Figure 3.72 IP Address Status Screen MAC Address MAC Address of this DHCP client. IP Address IP Address given to this DHCP client if that client has the MAC Address defined on this screen.
  • Page 102 Figure 3.73 Bridge Details Screen From this screen, you may view the parameters described below. Enable Enables or disables Bridging capability. Values: Enable, Disable Default: Disable Group Multicast MAC MAC Address recognized by the Bridge as the group address for the Bridge Address Protocol Data Unit (BPDU) transfer between bridges.
  • Page 103 The Bridge Details screen provides the following user-activated buttons: Button Function Submit Sets any values that have been changed. Bridge Port Table Displays the Bridge Port Table screen (Figure 3.74) that lets the user access and configure the Bridge Port Details screen (Figure 3.75).
  • Page 104 Filter By Broadcast Filters broadcast messages received on this port, which reduces the load on Addr Dest the WAN connection. Forward IP Frames Setting this option to “Yes” specifies that only IP frames will be forwarded Only and all other frames will be filtered. Priority Value of priority associated with this port.

  • Page 105: Simple Mail Transfer Protocol (Smtp)

    Use the SMTP Details Screen (Figure 3.77) to configure the SMTP function of the T1 Access Router. SMTP is used to forward notification of events to a user-definable list of up to five recipients. The even notification is sent as an e-mail in the following format: From: T1 Access Router@verilink.com...

  • Page 106: Utilities

    Utilities The options available beneath the Utilities branch of the navigation tree serve as utilities for upgrading the software in your T1 Access Router, managing access with passwords, and logging off the system. Upload/Save The Upload/Save screen (Figure 3.78) lets you save a new configuration, upload a former configuration, or install software.

  • Page 107: Password

    Restore a saved configuration setup to a T1 Access Router unit To transfer a file to or from a TFTP server from a T1 Access Router unit, you must indicate the TFTP server’s IP address, the file name, and then perform a Get operation to receive a file from the server, or a Put operation to send a file to the server.

  • Page 108: Log Out

    Router unit. The first is to use the local router to route management frames (Web browser or SNMP) between the local LAN and the remote unit. The second is to use the local T1 Access Router unit as an independent gateway. 3-80...

  • Page 109: Chapter 4 Vt100 Interface

    VT100 I NTERFACE HAPTER Introduction This chapter describes the menus and options associated with the T1 Access Router’s VT100 interface. The screens displayed throughout this chapter were accessed through a TELNET session. NOTICE: The material presented in this chapter follows the order in which the screens are presented in the VT100 interface.

  • Page 110: Cursor Controls

    Figure 4.1 VT100 Terminal Screen Components Cursor Controls The VT100 interface uses a blinking cursor to select various menus and then to select sub-menus and/or fields within those menus. You can navigate using this cursor in different ways, depending on the program you use. Most programs allow use of the “Tab”...

  • Page 111: Menu Structure

    choices. Each time the Spacebar is pressed, a new item appears. When the item you wish to choose is displayed, press the “Esc” key to save it. Fields enclosed in parentheses ( ) are manipulated by one of the following two methods.

  • Page 112: System

    System The first option on the Main menu screen is the System screen (Figure 4.3). This screen lets you view and set specific information about the unit in service. Figure 4.3 System Screen The System screen displays the fields shown in the table below. Field Description Contact...

  • Page 113: Maintenance Reset

    NOTICE: Remember that passwords are case-sensitive and are limited to no more than 10 characters. When logging on, password must be entered exactly as it was programmed. The System screen displays the user-selectable prompts listed in the table below. Prompt Function Maintenance Reset Brings up a screen where you can reset unit to its default...

  • Page 114: Save And Restart

    Selecting “Save and Restart” will display a confirmation menu similar to that shown in Figure 4.5. Select “yes” to save current configuration settings. Interfaces The T1 Access Router’s Interfaces screen in Figure 4.6 lists all the unit’s available interfaces. Figure 4.6...

  • Page 115: Network Screen

    Lets you establish which performance messaging standard will be employed to initiate Performance Report Message (PRM) functions. Setting this field to “Enable” instructs the unit to use ANSI T1.403, which sends a PRM once every second. Setting this field to “Disable” instructs the unit to use AT&T TR54016, which provides performance reporting on request only.

  • Page 116: Error Status And Alarm Thresholds Table

    Setting a field to “0” (zero) disables the alarm on that statistic. To effectively disable alarm reporting, set all fields to “0” (zero). The 15-minute time frame is not based on the TR 54016 or T1.403 interval boundaries, but is a time window based on the accumulated counts over the...
  • Page 117 previous fifteen 1-minute intervals. In all cases, if the number of actual network errored seconds in the previous 15 minutes reaches the preset threshold for the specified error type, an alarm condition is declared. The four columns of the status table are as follows: •...

  • Page 118: Performance Screens

    Reset Timer Sets the Reset Timer threshold. This read/write field is used to establish the contiguous number of seconds that an alarm parameter must be clear before the alarm is reset. Applicable values range from 000 through 900. A value of “000”...

  • Page 119: Ethernet (Ip Details) Screen

    Figure 4.8 Performance 24 Hour Screen Select the “Performance 30 Day Prompt” on the above screen to see a detailed summary of the error events that have occurred during each interval of the past 30 days (Figure 4.9). Figure 4.9 Performance 30 Day Screen Ethernet (IP Details) Screen If you select “Ethernet”...
  • Page 120 Figure 4.10 IP Details Screen IP Address A unique Network address assigned to this unit. Subnet Mask Defines the Network portion of the unit’s IP address. Gateway IP Address IP address of the default gateway (router) on the LAN side of the unit. DHCP Client If DHCP Client is enabled at power-up, the unit will request its IP, Mask, and Gateway addresses from a DHCP server located on the LAN side of the unit,...

  • Page 121: Supervisory Screen

    Figure 4.11 Unit Access Table Figure 4.12 Unit Access Details Supervisory Screen The Supervisory Configuration screen (Figure 4.13) displays the current speed of the Supervisory port interface along with other parameters as described below. The Supervisory port supports only asynchronous character formats. V T 1 0 0 I n t e r f a c e 4-13...
  • Page 122 Figure 4.13 Supervisory Screen Speed Changes the Supervisory port speed (in bits per second). Values: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 Default: 19200 Character Size Selects the number of bits required to make up one asynchronous character. Values: Five, Six, Seven, Eight Default: Eight Parity Sets the parity bit.

  • Page 123: Services

    Services The Service Table screen (Figure 4.14) provides a view of the unit’s defined services and displays the Interface, Type, and Pair parameters for each service. Figure 4.14 Service Table Screen The Service Table screen displays the available services listed by Index number.

  • Page 124: Channel Table Details Screen

    Interface Selecting one of the interfaces will bring up a screen where you can view interface parameters. These screens are the same ones displayed when you select a sub-menu from the Interfaces menu described earlier on page 4-6. NOTICE: One of the Interface options is “Virtual.” PPP is the only service that may be attached to the Virtual interface.

  • Page 125: Frame Relay Service Details Screen

    The Channel Table Details screen lets you establish the Rate, Service, and Idle Pattern parameters for any available channel. The screen parameters are described below. Rate The unit can operate at any data rate that is a multiple of 56 or 64 kbps. Values: 56K, 64K Default: 64K Service...
  • Page 126 Field Description Round Trip Delay Specifies the frame size of packets making round- (bytes) trip. Round Trip Rate (sec) Specifies the rate at which Round Trip Delay packets are sent. Screen parameters that can be viewed and/or changed are listed below. To save new parameters, press the “Esc”...
  • Page 127 Represents a Monitored Events Count. For a network, a monitored event is the receipt of a status inquiry message or the expiration of the polling verification timer T2. For a FRAD, a monitored event is the transmission of a status inquiry message. This parameter defines the size of the sliding window used by the unit to determine whether a channel or user device is active.
  • Page 128 DLCI it learns as soon as the DLCIs are set active. This is required to calculate round-trip delay as well as to discover remote T1 Access Router/FSE units. This parameter should be set to “Yes” only on network services that have a T1 Access Router/FSE at the far end of the frame relay connection.
  • Page 129 RFC1315 Trap When this parameter is set to “Enable,” the unit will send the standard RFC1315 frame relay DTE circuit state change trap every time a DLCI changes state, provided at least one destination IP address for trap is configured in the SNMP configuration. Values: Disable, Enable Default: Disable Rx Invalid Threshold...
  • Page 130 Figure 4.18 Frame Relay Statistics Screen To view the Port Statistics (Figure 4.19) for a specific interval, select that interval from the Frame Relay Statistics <Period> column. Figure 4.19 Frame Relay Port Statistics Screen Transmit Frames Number of frames transmitted by the port. Octets Number of octets transmitted by the port.

  • Page 131: Ppp Service Details Screen

    Receive Frames Number of frames received by the port. Octets Number of octets received by the port. Mgmt Frames Number of management frames received by the port. Mgmt Octets Number of management octets received by the port. FECN Number of Forward Explicit Congestion Notification frames received. BECN Number of Backward Explicit Congestion Notification frames received.
  • Page 132 ACCM The Asynchronous Control Character Map (ACCM) configuration option provides a method to negotiate the use of control character transparency on asynchronous links. Values: 0–4294967295 Default: 4294967295 The Maximum Receive Units (MRU) configuration option may be set to inform the peer that the implementation can receive larger packets, or to request that the peer send smaller packets.

  • Page 133: Parameters To Negotiate

    CHAP Secret Enter the Secret (i.e., password) necessary to challenge the peer. Values: (User Established) Default: Secret Initiate Negotiation Determines whether the port actively negotiates with the peer site or passively waits for negotiation requests. Values: Yes, No Default: Yes Parameters to Negotiate The table displayed near the bottom of the PPP Service Details screen shows which parameters are set to be negotiated.

  • Page 134: Pap Table

    Figure 4.21 PPP Statistics Screen Period Selects the interval (Current, Summary, or numbered Interval) to be viewed on the PPP Statistics screen. Tx Frames Number of frames transmitted by the port. Tx Octets Number of octets transmitted by the port. Rx Frames Number of frames received by the port.

  • Page 135: Chap Table And Details Screens

    PAP Details Screen To change the Username and Password for a selected PAP Index, access the PAP Details screen by selecting the applicable index number in the PAP Table. Enter the new information in the appropriate field(s) and press the “Esc”...

  • Page 136: Applications

    Applications Select “Applications” in the Main Menu screen to display the various T1 Access Router applications (Figure 4.24) associated with configuration tables and statistics for Layer 3 and above that do not map to a specific service or interface. Figure 4.24...

  • Page 137: Endpoint Details Screen

    Figure 4.25 Endpoint Table Screen You can add an endpoint in the Add Endpoint field and, when the screen refreshes, you will be able to view that endpoint’s associated parameters. For most applications, you will not have to modify the Endpoint Table and DLCI Table.
  • Page 138 Values: 0–256 Default: 0 Remote IP Address If this T1 Access Router unit is to be used to manage a remote T1 Access Router unit, you must configure the IP address of the remote T1 Access 4-30 T 1 A c c e s s R o u t e r...

  • Page 139: Endpoint Service Details Screen

    Router unit here. This DLCI can be used for management only, or for management and actual data. If this parameter is set, a PC connected to the LAN interface of this T1 Access Router can reach a remote T1 Access Router through this DLCI. The...
  • Page 140 Figure 4.27 DLCI Details Screen The unit uses the first three configuration parameters (Protocol Encapsulation, Proprietary Traffic Type, and Proprietary Offset) to gather statistics. For in- band management, “RFC 1490” must be the encapsulation method. Protocol Encapsulation The type of encapsulation used by the FRAD/router connected to the unit. Values: RFC 1490, Proprietary Default: RFC 1490 Proprietary Traffic...
  • Page 141 Default: No In Band Management If the unit is to be used as a gateway to reach a remote T1 Access Router through this DLCI, set this parameter to “Yes,” and configure the remote IP address and Mask in the corresponding endpoint.
  • Page 142 Round Trip Delay Specifies the frame size (in bytes) of packets making round-trip. Round Trip Rate Specifies the rate (in seconds) at which Round Trip Delay packets are sent. DLCI Status Table The bottom portion of the screen shows a table detailing the actual status of this DLCI and alarm threshold information as follows: Status If this DLCI is up, the status will be “Active”;...
  • Page 143 DLCI Statistics Screen Selecting “DLCI Statistics” on the DLCI Details screen will display the screen shown in Figure 4.28. Figure 4.28 DLCI Statistics Screen This screen displays all ninety-six 15-minute buckets available for DLCI statistics. If the unit is powered on at 01:00 PM, the first interval will be completed at 01:15 PM;...

  • Page 144: Dlci Table Screen

    Figure 4.29 DLCI Statistics Details Screen The DLCI Statistics screen in the preceding figure shows a summary that includes all 96 buckets. You can choose to see the statistics for any given bucket by selecting a specific interval under the <Period> column on the DLCI Statistics screen.

  • Page 145: Service Aware

    Figure 4.30 DLCI Table Screen Service Aware The Service Aware function recognizes IP traffic and counts the number of frames and bytes passed for a specific service based on filters by DLCI, by IP Address, and by IP Port. Each row of the Service Aware table represents a specific set of filter parameters known as a “rule.”...

  • Page 146: Rule Configuration Screen

    Figure 4.31 Service Aware Screen Rule Configuration Screen Select from the <Ndx> column to bring up the Rule Config screen (Figure 4.32) to establish Service Aware parameters. To establish a rule, select the desired rule configuration options, provide the appropriate filter information where required, and press the “Esc”...

  • Page 147: Traffic Meter Statistics Screen

    Filter By DLCI Enables or disables filtering of the IP traffic in accordance with the previously specified DLCI. NOTICE: To use this filter, you must specify both the Service and DLCI parameters in the rule configuration. IP Address Establishes the IP address by which the rule will filter IP traffic (if enabled). IP Mask Represents a range of IP addresses defined so that only machines with IP addresses within the range defined by the mask are allowed to access an...

  • Page 148: Snmp

    Interval 96 SNMP The unit detects and reports T1 network alarms and provides several options for reporting them, one of which is SNMP traps. When a network alarm occurs, the unit sends a trap message to as many as eight destinations on your network.

  • Page 149: Diagnostics

    Figure 4.34 SNMP Details Screen Read Community Accepts a character string identifying the group authorized to perform read operations. The default setting is “Public.” Write Community Accepts a character string identifying the group authorized to perform write operations. The default setting is “Private.” Trap Community Accepts a character string, which is included in SNMP traps generated by the unit.

  • Page 150: Test Details Screen

    Figure 4.35 Diagnostics Screen Description Describes the type of interface selected for testing. Loop Type Describes the type of loop test (if any) performed on the selected interface. Setting Displays the bandwidth on which you wish to perform the BERT. Pattern Specifies the pattern to be transmitted during a BERT for the selected port.
  • Page 151 Rate Sets the bit rate to BERT for each selected channel. If “Νx64K” is selected, the ones density requirements of the T1 network line must be ensured. If “Νx56K” is selected, ones density for the selected DS0 channel is maintained.

  • Page 152: Trap Log

    “No Sync” is displayed. If the receiver is in pattern sync, “In Sync” is displayed. Elapsed Time Displays the time elapsed since a timed test began or, if completed, the total test time. Bit Errors Displays the total number of bit errors detected since the test began or since error statistics were cleared.

  • Page 153: Top Talkers

    Figure 4.37 Trap Log Screen Top Talkers Selecting “Top Talkers” displays the Top Talkers screen (Figure 4.38), which is used to set parameters for and initiate the generation of a list of IP addresses ranked in terms of the number of frames and octets they have transmitted during a specified reporting period.

  • Page 154: Ip Gateway

    IP address. IP Gateway The IP Gateway is a feature of the T1 Access Router that allows routing of IP packets from one network to another using static routes configuration and/or dynamic routing. The IP Gateway uses Routing Information Protocol (RIP) 1 or RIP 2 or Open Shortest Path First (OSPF) routing.

  • Page 155: Rip Parameters

    The IP Gateway also supports unnumbered networks. An unnumbered network is a point-to-point connection without an assigned IP address This feature reduces the number of IP addresses required. Figure 4.39 IP Gateway Screen RIP Parameters RIP Enable Globally enables RIP 1, RIP 2, or No RIP. Default is RIP 2. Values: Disable, Enable RIP1, Enable RIP2 Default: Enable RIP2 RIP Trust Neighbors...

  • Page 156: Circuit Table Screen

    OSPF Router ID This 32-bit number assigned to each router running the OSPF protocol uniquely identifies the router within an Autonomous System. Each router requires a unique router ID. Default is the LAN IP address of the unit. The IP Gateway screen provides the following prompts that may be selected by pressing the “Enter”...
  • Page 157 Figure 4.41 Circuit Details Screen Endpoint Endpoint name. By default, the first circuit is always the LAN circuit. All other circuits are associated with Endpoint names as defined in the Endpoint Table. (See Endpoint Table Screen shown on page 4-29). IP Address IP Address of the circuit.

  • Page 158: Static Route Table Screen

    OSPF LSU Delay The estimated number of seconds it takes to transmit a Link State Update (LSU) packet over this circuit interface. Values: 1−3600 Default: 1 OSPF Router Priority This 8-bit unsigned integer ranges from 1 to 255 and assigns priority to one of two routers attached to the same network;...
  • Page 159 Figure 4.42 Static Route Table Screen The fields on this screen are described in the table below. Field Description Endpoint Endpoint name (or interface) through which to send the IP packet to reach the Target IP Address. Target IP Address Represents the target network that you want this router to reach. Target IP Mask Mask of the target network.
  • Page 160 Endpoint Endpoint name (or interface) through which to send the IP packet to reach the Target IP Address. Target IP Address Represents the target network that you want this router to reach. Target IP Mask Mask of the target network. NOTICE: Setting the target IP address and Target IP Mask to 0.0.0.0 defines THE default route for this unit.

  • Page 161: Static Arp Table Screen

    Static ARP Table Screen ARP (Address Resolution Protocol) is used by the router to dynamically associate a high-level IP address to a low-level physical hardware address. ARP packets are only sent across a single physical network. There are some cases when an IP-compatible device does not support ARP or ARP is deliberately disabled (for security).

  • Page 162: Trusted Neighbors Screen

    Figure 4.46 ARP Details Screen Endpoint Endpoint name (or Interface) through which to send the IP packet to reach the defined IP Address. The default is the LAN. IP Address IP address of the circuit. Values: 0.0.0.0−255.255.255.255 Default: 0.0.0.0 MAC Address The MAC address of the Host to be reached.

  • Page 163: Area Table Screen

    Figure 4.47 Trusted Neighbors Screen Add New Adds a Trusted Neighbors IP address. Neighbor Details Screen Access this screen (Figure 4.48) by selecting a number under the <Index> column. This screen lists all IP addresses of Trusted Neighbors. Figure 4.48 Neighbor Details Screen The Neighbor Details screen provides a “Delete Neighbor”...
  • Page 164 Figure 4.49 Area Table Screen The fields displayed on the Area Table screen are described below. Field Description Area ID Displays the ID of the Area (represented by an IP address). Displays whether the defined area is enabled or disabled. Auth Type Indicates Area validation.

  • Page 165: Virtual Link Table Screen

    Area ID This parameter has the same format as the IP Address of the Mask Address. Values: 0.0.0.0−255.255.255.255 Default: 0.0.0.0 Enable Displays whether or not this Area is enabled. Values: Enable, Disable Default: Enable Auth Type Indicates type of Authentication. Values: Simple, None Default: None Stub...
  • Page 166 It is possible that an area cannot be connected directly to the backbone. In this case a virtual link is used. To establish or maintain the connectivity of the backbone, virtual links can be configured through non-backbone areas. Basically, virtual links are used to connect components that are otherwise not connected to the backbone.

  • Page 167: Tcp Server

    Figure 4.52 Virtual Link Details Screen TCP Server NOTICE: TCP Server traffic has a higher priority than other types of traffic flowing through the unit. Refer to Normal Tx Queue Size on page 4-20 for more details. The TCP Server is a general-purpose application that maps arbitrary TCP port numbers to non-TCP/IP devices that have been assigned an endpoint.
  • Page 168 screen lists the Index number, Endpoint name, TCP Local Port number, and whether or not this entry is enabled. Figure 4.54 TCP Connection Details Screen Select the TCP Connection Table prompt on the TCP Server screen to access the screen shown in Figure 4.55. This screen lets you see which addresses and ports are in a “listening”...

  • Page 169: Network Address Translation (Nat)

    Figure 4.56 TCP Host Access Screen You can access the Host Access Details (Figure 4.57) for a specific <Ndx> number by selecting the appropriate number under the <Ndx> column. Figure 4.57 TCP Host Access Details Screen Network Address Translation (NAT) NAT is a method of connecting multiple computers to the Internet (or any other IP network) using one IP address.

  • Page 170: Nat Details Screen

    NOTICE: You must Save and Restart for any changes in NAT configuration parameters to take effect. NAT Details Screen The NAT Details screen (Figure 4.58) lets the user configure the NAT global parameters described below. Figure 4.58 NAT Details Screen Enable Enables or disables NAT.
  • Page 171 applications. The timers’ values minimize NAT resources. Generally, when a timer has expired, the resources used are no longer needed. Those resources will then be available for other connection resources. IP Entry Timer The maximum time (in seconds) NAT will use resources when not using TCP, UDP, or ICMP.
  • Page 172 Prompt Function NAT Ports Defines NAT global/Internet and local/corporate ports. Static UDP Translation Table Allows static mapping of global UDP Server ports to a local host IP address/port combination. Static TCP Trans Table Screen The Static TCP Trans Table screen (Figure 4.59) allows static mapping of global TCP Server ports to a local host IP address/port combination.
  • Page 173 Figure 4.60 Static TCP Translation Details Screen NAT Ports Screen The parameters on the NAT Ports screen (Figure 4.61) define the NAT global/ Internet and local/Corporate ports. These parameters are configured in the NAT Ports Details screen shown in Figure 4.62. Access the NAT Ports Details screen by selecting the <Ndx>...
  • Page 174 “Disable” will override an “Enable” parameter set under “Filter Non Local Address” on the NAT Details menu. Type Defines whether this port is local or global. Default is LAN global. All others are local. IP Address IP Address of this port. Default is the value defined in the IP Gateway Circuit Table.
  • Page 175 Figure 4.63 NAT Port Status Screen IP Address Original IP Address of the host. NAT IP Address Translated IP Address of the host. Processed Packets Number of packets processed by NAT for this address. Static UDP Trans Table Screen The Static UDP Trans Table screen (Figure 4.64) allows static mapping of global UDP Server ports to a local host IP address/port combination.

  • Page 176: Dynamic Host Configuration Protocol (Dhcp)

    Server Address IP Address of the local UDP Server. Default is 0.0.0.0. The “Add New” prompt lets the user add additional addresses. You can configure or change the above-listed parameters on the Static UDP Trans Details screen (Figure 4.65), which is accessed by selecting the appropriate <Ndx>...

  • Page 177: Dhcp Server Details Screen

    DHCP Server Details Screen The DHCP Server Details screen (Figure 4.66) lets you configure the parameters described below. Figure 4.66 DHCP Server Details Screen Enable Enables or disables the DHCP Server. Default is “Disable.” Number of Ports Defines the number of DHCP ports to be used. In this version, only “1” is a valid value.
  • Page 178 The DHCP Server Details screen provides the following user-activated prompts: Prompt Function Host Table Lists Host names (DHCP server identification). Static Entry Table Creates a list of static IP addresses associated with MAC addresses. Address List Table Defines the addresses available for DHCP clients. Address Status Table Displays DHCP Server statistics.
  • Page 179 Figure 4.68 Static Entries Screen MAC Address MAC Address you want to associate with an IP address. IP Address IP Address given to the DHCP client if that client has the MAC Address defined on this screen. Mask Mask associated with the IP Address shown on the screen. Host Name Name given to the DHCP client.

  • Page 180: Bridge

    IP End Ending IP Address of the DHCP client pool. IP Exclude Start Beginning of “excluded” range. IP Exclude End End of “excluded” range. Select “Add New” to add an IP address. IP Address Status Screen The IP Address Status screen (Figure 4.70) displays a list of all current DHCP clients.
  • Page 181 Figure 4.71 Bridge Details Screen From this screen, you may view the parameters described below. Enable Enables or disables Bridging capability. Values: Enable, Disable Default: Disable Group Multicast MAC MAC Address recognized by the Bridge as the group address for the Bridge Address Protocol Data Unit (BPDU) transfer between bridges.
  • Page 182 The Bridge Details screen provides the following user-activated prompts: Prompt Function Bridge Port Table Displays the Bridge Port Table screen (Figure 4.72) that lets the user access and configure the Bridge Port Details screen (Figure 4.73). Bridge Lookup Table Displays the Bridge Lookup Table screen (Figure 4.74) that contains all MAC Addresses learned by the Bridge.
  • Page 183 BPDU Option Shows if BPDU packet will be sent and received on this port. Filter By Multicast Filters multicast messages received on this port, which reduces the load on the Addr Dest WAN connection. Filter By Broadcast Filters broadcast messages received on this port, which reduces the load on Addr Dest the WAN connection.

  • Page 184: Simple Mail Transfer Protocol (Smtp)

    WANsuite 6450. SMTP is used to forward notification of events to a user-definable list of up to five recipients. The even notification is sent as an e-mail in the following format: From: WANsuite@verilink.com To: Event Receiver Subject: Even Notification IP Address: 192.168.60.157...

  • Page 185: Encryption

    Mail Server IP Address IP address of the mail server to which notifications will be sent. Domain Name Name of domain where the device resides (i.e., Verilink.com) Mail From E-mail address of the device (WANsuite). While the device will not be able to retrieve e-mail from a service, the mail needs to have the “From”...

  • Page 186: Simple Mail Transfer Protocol (Smtp)

    Mail Server IP Address IP address of the mail server to which notifications will be sent. Domain Name Name of domain where the device resides (i.e., Verilink.com) Mail From E-mail address of the device (WANsuite). While the device will not be able to retrieve e-mail from a service, the mail needs to have the “From”...

  • Page 187: Appendix A Specifications

    0, − 7.5, − 15, − 22.5 dB attenuation Line Build Out: Transient Voltage: 1000 V protection, fused input/output Jitter Control: per TR 62411 and T1.403 Timing Source: Internal, Network Ones Density: B8ZS, N x 56 bit stuffing, alternate fill; complies with TR...

  • Page 188: Supervisory Port

    Network Protocol: TCP/IP based networks Data Rate: 10/100 Mbps Compatibility: 10/100Base-T Supervisory Port Connection: DB-9 female Data Rates: 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200 bps (default: 19.2 kbps) Diagnostics Performance: 15-minute, 24-hr, and 30-day monitoring (sampled every second) Network Loops: Line loopback, payload loopback, or maintenance loopback (see Figures A-1 and A-2)

  • Page 189: Ppp Statistics Collected In 96 15-Minute Intervals

    U.S. Safety: UL 1950 3rd edition Canadian Safety: CSA C22.2 No. 950-95 Industry Canada: CS-03, Issue 8Standards TR62411: December 1990 TR54016: September 1989 ANSI T1.403: 1995 S p e c i f i c a t i o n s...

  • Page 190: Ordering Information

    Power Supply Cord for Power Supply Verilink Documentation CD Optional Equipment The following optional equipment is available for use with the T1 Access Router unit: Description Rack Mount, 19-in., for Single Stand-alone Unit Rack Mount, 23-in., for Single Stand-alone Unit For further ordering information, contact Technical Support (page xii).

  • Page 191: Connector Pin Assignments

    Data In (+) Data In (-) Network Interface Pin Assignments physical interface is a standard RJ-48C, 8 -pin modular jack. The NET 1 following table displays the pinout assignments. T1 NET Interface Data In Data In 3, 6 Not used Data Out...
  • Page 192 T 1 A c c e s s R o u t e r...

  • Page 193: Appendix B Snmp Agent

    (the community string sent with an SNMP trap). Configuration of these community strings within the T1 Access Router is accomplished via the HTTP (web browser) interface. Please refer to Chapter 3, Web Server Interface, for instructions on how this is performed.

  • Page 194: Snmp Trap Configuration

    These MIB files may be found on the Verilink Documentation CD included with the unit. SNMP Trap Configuration The T1 Access Router supports up to eight IP destinations for SNMP traps. These may be configured either through the Web interface or through an SNMP management application. For configuration of these destinations through an SNMP management application, use a MIB browser to access the table trapdest within ipadv2.mib and set the IP addresses of the host...
  • Page 195 MIBs to load. Once the manager has successfully loaded the MIBs, you are ready to manage the Verilink product. If you have any questions please call Verilink Product Support. S N M P A g e n t...
  • Page 196 T 1 A c c e s s R o u t e r...
  • Page 197 Verilink’s factory, unless Verilink specifically authorized such repairs or alterations; (ii) in the event parts not made or recommended by Verilink are used by Buyer in the Goods; or (iii) if the Goods are used by Buyer other than in the manner intended by Verilink or other than in conformance with operating instructions and specifications provided by Verilink.

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