Configuring TCP Services Router Software Version 10.0Site Manager Software Version 4.0Software Version BNX 6.0Site Manager Software Version BNX 6.0P

xi About This Guide If you are responsible for configuring and managing Bay Networks routers or BNX platforms, read this guide to discover how to cust

Configuring TCP Servicesxii • The BNX Suite includes IP Routing, SNMP Agent, Bay Networks HDLC, PPP, OSPF, EGP, BGP, File-Based Performance Statist

About This Guidexiii To purchase any of these support programs, including PhonePlus™ for 24-hour telephone technical support, call 1-800-2LANWAN. Out

Configuring TCP Servicesxiv InfoFACTS InfoFACTS is the Bay Networks free 24-hour fax-on-demand service. This automated system contains libraries of t

About This Guidexv arrow character ( ➔ ) Separates menu and option names in instructions. Example: Protocols ➔ AppleTalk identifies the AppleTalk opti

Configuring TCP Servicesxvi Acronyms ANSI American National Standards InstituteARP Address Resolution ProtocolATM Asynchronous Transfer ModeBGP Bord

1-1 Chapter 1Transmission Control Protocol Overview In the 1970s, the Defense Advanced Research Projects Agency (DARPA) of the U.S. Department of Def

Configuring TCP Services1-2 • Out-of-order caching. As TCP receives data segments, it puts them in sequential order and forwards them to the receivi

Transmission Control Protocol Overview1-3 Connections and Connection States TCP establishes a set of access points, referred to as ports , for each

4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1988–1996 Bay Networks, Inc. All rights reserved. Pr

Configuring TCP Services1-4 TCP and IP Service Users TCP is the layer or service between IP, at the lower layer in the hierarchy of network protocols

Transmission Control Protocol Overview1-5 Telnet Telnet allows you to access the Technician Interface. You can execute Technician Interface commands

Configuring TCP Services1-6 The FTP client on your host initiates an FTP session with an FTP server on the router. The session establishes two separa

Transmission Control Protocol Overview1-7 Table 1-2. FTP Commands Supported by the FTP Server Command Code Description Access Control Commands User

Configuring TCP Services1-8As network administrator, you use Site Manager to create the FTP server on the router and edit FTP server parameters. For c

2-1Chapter 2TCP Implementation NotesThis chapter contains specific implementation notes to keep in mind when you configure Bay Networks TCP services.Mem

Configuring TCP Services2-2If TCP consumes too much memory on the router, connections slow down or even abort. TCP uses feedback mechanisms to indicat

3-1Chapter 3Editing TCP, Telnet, and FTP ParametersOnce you enable IP on your router, you can use Site Manager to create TCP, Telnet, and FTP on the r

Configuring TCP Services3-2• “Creating a Telnet Client”• “Editing Telnet Client Global Parameters”• “Deleting a Telnet Client from the Router”To config

Editing TCP, Telnet, and FTP Parameters3-3Figure 3-1. Configuration Manager WindowEditing TCP Global ParametersTo edit TCP global parameters, follow th

Bay Networks, Inc. 4401 Great America Parkway, Santa Clara, CA 950548 Federal Street, Billerica, MA 01821 Bay Networks Software License This Software

Configuring TCP Services3-4Figure 3-2. Edit TCP Global Parameters Window2.Edit the parameters in this window, using the guidelines in the next section

Editing TCP, Telnet, and FTP Parameters3-5 Parameter: Min. Retransmission Timeout (msec.) Default: 250 milliseconds (msec.) Range: 100 to 15000 msec.

Configuring TCP Services3-6 Parameter: Max. Window Size (bytes) Default: 4096 bytes Range: 512 to 65535 bytes Function: Sets the maximum transmit-and-

Editing TCP, Telnet, and FTP Parameters3-7Figure 3-3. Telnet Configuration Window2.Set these parameters, using the guidelines in the next section.3. Cl

Configuring TCP Services3-8 Parameter: User’s Login Script Default: autouser.bat Options: The name of the user’s login script file. Function: At login,

Editing TCP, Telnet, and FTP Parameters3-9Figure 3-4. Edit Telnet Server Global Parameters Window2.Edit the parameters in this window, using the guide

Configuring TCP Services3-10 Parameter: Enable/Disable Default: Enable Options: Enable | Disable Function: Specifies whether Telnet is enabled for the

Editing TCP, Telnet, and FTP Parameters3-11 Parameter: TI Prompt Default: None Range: 1 to 18 alphanumeric characters Function: Specifies the character

Configuring TCP Services3-12 Parameter: Command Timeout (min.) Default: 15 minutes Range: 1 to 99 minutes (99 = infinity) Function: Specifies the number

Editing TCP, Telnet, and FTP Parameters3-13 Parameter: Diagnostic Exercise Default: Disable Options: Enable | Disable Function: Used for diagnostic pu

Bay Networks, Inc. 4401 Great America Parkway, Santa Clara, CA 950548 Federal Street, Billerica, MA 01821 Bay Networks Software License (continued)

Configuring TCP Services3-14 Parameter: Diagnostic Options Default: Disable Options: Enable | Disable Function: Specifies whether the Technician Interf

Editing TCP, Telnet, and FTP Parameters3-15 Parameter: Force User Logout Default: Disable Options: Enable | Disable Function: Specifies whether the use

Configuring TCP Services3-16Deleting a Telnet Server from the RouterTo delete a Telnet Server from the entire router, follow these steps:1. Select Pro

Editing TCP, Telnet, and FTP Parameters3-17Figure 3-5. Edit Telnet Client Global Parameters Window2.Edit the parameters in this window, using the desc

Configuring TCP Services3-18 Parameter: Verbose Debug Logging Default: OFF Options: ON | OFF Function: Specifies whether the Technician Interface displ

Editing TCP, Telnet, and FTP Parameters3-19Configuring and Customizing the FTP ServerUse Site Manager to create the FTP Server, edit FTP Server paramet

Configuring TCP Services3-202.Edit the parameters in this window, using the descriptions in the next section as a guide.3. Click on OK to save your ch

Editing TCP, Telnet, and FTP Parameters3-21 Parameter: Login Retries Default: 3 retries Options: 0 to 5 retries Function: Specifies the number of FTP l

Configuring TCP Services3-22 Parameter: Type of Service Default: Binary Options: Binary | ASCII Function: Specifies the current data transmission type.

Editing TCP, Telnet, and FTP Parameters3-23 Parameter: TCP Window Size Default: 60000 bytes Range: 5000 to 64000 bytes Function: Specifies the size of

v Contents About This Guide Software Suites ...

A-1Appendix ASite Manager Default SettingsThis appendix lists the default settings for Site Manager. Use the Configuration Manager to edit any of the S

Configuring TCP ServicesA-2Telnet ParametersTables A-2 and A-3 list the Site Manager default parameter settings for Telnet.Table A-2. Telnet Server Co

Site Manager Default SettingsA-3FTP Parameters Table A-4 lists the Site Manager default parameter settings for the File Transfer Protocol (FTP).Table

Index-1Aacknowledgment with retransmission, 1-2Ccaching, 1-2checksums, 1-2clients, 1-2, 1-4Command Timeout parameter, 3-12Configuration Manager window,

Index-2Max. Sessions parameter, 3-21Max. Window Size parameter, 3-6memoryand number of Telnet connections, 1-5considerations for configuring TCP, 2-1Mi

Index-3Login Retries, 3-12Login Timeout, 3-11Manager’s Login Script, 3-14Password Timeout, 3-11TI History Depth, 3-15TI Lines per Screen, 3-10TI More,

viCreating TCP ...3-2Editing TCP Global Par

vii Figures Figure 1-1. TCP between IP and Clients ...1-4Figure 1-2. FTP Client and

ix Tables Table 1-1. TCP Connection States ...................1-3Table 1-2. FTP Commands Sup