Ref: 10420002
Title: Release Notes: CS/50 TCP Booting from NCS150 ver 13010
Date: 7/30/87

Copyright 3Com Corporation, 1991.  All rights reserved.

Software Release

SW/50-TCP Version 13010

July 30, 1987

Part Number: 86-0106-00
Revision 00


TO:          CS/50 Users

FROM:        Bridge Communications, Inc.

SUBJECT:     SW/50-TCP Version 13010

DATE:        July 30, 1987

Enclosed are a CS/50 and a distribution diskette containing
SW/50-TCP Version 13010.  This diskette should be used only to
copy the software to the NCS/150 working diskette.

This release memo gives the instructions for installing SW/50-TCP
Version 13010 on the NCS/150. It also describes the features and
compatibility of the software.

Installing_SW/50-TCP_Version_13010_on_the_NCS/150

The NCS/150 working diskette can contain the software for only
two product types at a time.  Therefore, you must check the
current contents of the diskette to ensure that there is enough
room for SW/50-TCP.

When the NCS/150 diskette contains the CS/50 software and
software for the CS/1, CS/100, CS/200, or IVECS, it has enough
room for support files for the CS/50 and one of the following:

+ 1 IVECS

+ 24 CS/1s

+ 24 CS/100s

+ 24 CS/200s

To check the contents of the NCS/150 diskette, follow these
steps:

1. Connect a terminal to port 0 of the NCS/150.

2. Insert the SW/150-NCS-UTIL diskette in the NCS/150 disk drive,
then press the Reset key.

3. After the NCS/150 is finished booting, press the following
sequence on the keyboard: <RETURN>.<RETURN>

4. Remove the SW/150-NCS-UTIL diskette, insert the SW/150 working
diskette in the disk drive.  Then enter the following command:
ls /BIN

5. If the listing includes only the file ncs150, or the file
ncs150 and one other file (cs1x, cs100x, or cs200x), proceed to
step 8.

6. If the listing includes more than one file in addition to the
file ncs150, the CS/1, CS/100, or CS/200 software must be
removed from the diskette to make room for SW/50-TCP.



7. Remove the software for the product types that will not be
supported by the NCS/150.  For example, to remove the CS/1
software, use the following sequence of commands: chmod drwx BIN
rm /BIN/cs1x If the software to be removed is for other
Communications Servers, the pathname following the "rm" command
should be "/BIN/cs100x" or "/BIN/cs200x".  You should continue
removing the software until there is only one software image in
addition to the file ncs150.

8. Check and condense the file system on the working diskette
using the FSChecK utility with the compact option: fsck -c

9. Create a file for the CS/50 by typing: cr /BIN/cs50x 190 rwx
101000

10. Ensure that the file has been created properly by entering
the following command: ls -lx /BIN The address of the file, the
current date, and the filename should be displayed.  If the file
has not been created properly, enter the following command to
remove the file and return to step 9.  rm <filename>

11. Copy SW/50-TCP Version 13010 to the NCS/150 diskette using
the CopyFile utility: cf #0 /BIN/cs50x

12. When prompted for the source diskette, remove the NCS/150
working diskette and insert the SW/50-TCP distribution diskette.
Then press the return key.

13. When prompted for the diskette that will hold the copy,
remove the SW/50-TCP distribution diskette and insert the
NCS/150 diskette in the disk drive.  Then press the return key.

14. The copy process may require several passes.  When the
process is finished, the following message appears: Copy
completed



Some CS/50s do not include the 115/230 V slide switch described
in the Series/50 Installation Guide.  If present, this switch is
located on the bottom of the CS/50 enclosure.  If you wish to
modify the CS/50 for use with a different voltage source than
that specified on the back of the CS/50, and your unit does not
have this switch, contact an authorized Bridge service
representative for assistance.  This modification must be
performed by a Bridge-certified service technician if a 115/230 V
slide switch is not provided on the bottom of the unit.

Operating the CS/50 at an incorrect voltage setting may damage
your server.  Such a failure may void your warranty.

Features

SW/50-TCP Version 13010 has the following features:

1. The CS/50's port will match the terminal's baud rate when
operating in Autobaud mode.  If AutoBaud is selected, a <RETURN>
must be entered if the terminal is operated at 150 baud or
higher. <RETURN><RETURN> must be entered if the terminal is
operated at 134.5 baud or lower.  The terminal may have a baud
rate between 50 baud and 19.2K baud.  If AutoParity is selected,
a <RETURN>.<RETURN> sequence must be entered for baud rates of
150 or higher.  A <RETURN><RETURN>.<RETURN> sequence should be
entered for baud rates of 134.5 or lower.  AutoBaud and
AutoParity are the default setting for terminal ports.

2. The NoMacroBreak or MacroBreak field has been added to the
InterAction parameter.  The NoMacroBreak option prevents users
from breaking out of a macro while a macro is executing.  When a
NoMacroBreak option is set, the BREAK key is ignored.  This
feature can be used to prevent a user from breaking out of a
macro in Global Network Manager privilege.

3. The BUffersize parameter in the port configuration can be set
to a value smaller than the system buffer size.  This feature is
useful for PC-to-host file transfer applications that require
smaller buffer sizes.

4. Whenever a disconnection from a host port is requested, either
by a user typing the DisConnect command on the terminal or by
the AutoDisconnect timer, the LogoffString will be transmitted
to the host port before it closes down the circuit.

LogoffString transmission is controlled by the string defined in
the LogoffString parameter of the host-end server.  The
LogoffString can be up to 24 characters long.

In order for the LogoffString to be transmitted, the AUtoLogoff
parameter should be set to ON.  This parameter can be set on a
per-port basis.

The LogoffString will not be transmitted if the disconnection is
caused by the following conditions:



a)  A network manager uses the Listen command to listen out the
host or terminal port.

b)  Traffic to the host port is totally flow controlled, and
transmission of the LogoffString is not possible within a
reasonable amount of time (currently six seconds).

c)  A user powers off the terminal before disconnecting the
session and the UseDTRin parameter is set to AsDTR on the
terminal port.

The LogoffString and AUtoLogoff parameters have the following
syntax:

a)  To set the LogoffString, enter: SETDefault LogoffString =
"string" The "string" can contain any control characters;
for example, "^M" for control-M, "^J" for control-J.

b)  To enable/disable AUtoLogoff on a particular port, enter:
SETDefault (!portid) AUtoLogoff = [ON | OFF] The AUtoLogoff
parameter is only available on a host port.

c)  To display the AUtoLogoff parameter for a particular port,
enter: SHow (!portid) AUtoLogoff

d)  To display the LogoffString, enter: SHow LogoffString

5. Permanent virtual circuits (PVCs) support is implemented.
Permanent Virtual Circuits allow automatic circuit
reestablishment upon disconnection.

Once a permanent virtual circuit is defined, it will be
reestablished whenever the server is rebooted.  After the
PermanentVC parameter is set, the first connection attempt will
begin in approximately 30 seconds.  If the connection attempt
fails or if the permanent virtual circuit is disconnected for
any reason, the system will attempt to reestablish the circuit
every 60 seconds.  PVCs can be defined only on a host port.  The
destination end of the connection can be either a terminal or
host port.  The PVC may be defined on both ends of the circuit.

In addition, PVCs may accept names.

PermanentVC parameters have the following syntax:

- SETDefault (!portid) PermanentVC = "<address>"

Defines a permanent virtual circuit between a local host
port and any port on the network.  <address> can be either a
physical address or a name.  The name can be up to 12
characters long.



- SETDefault (!portid) PermanentVC = ""

Removes any previous PVC definition, but does not disconnect
any existing connection.  The existing circuits can be
disconnected using the DisConnect or Listen command.

- SHow (!portid) DefaultParameter PermanentVC

Displays the current permanent virtual circuits.

6. The SHow AllSessions command has an option allowing it to
display specified physical addresses or logical names of
destination devices when a connection is established.

For example, to display physical addresses of destination
devices, use the following command: SHow AllSessions p To
display logical names of destination devices, use the following
command: SHow AllSessions

7. Passive-end or host-side RLOGIN is supported.  The RLOGIN
feature allows a login from a UNIX host to a non-UNIX host
front-end by the CS/1, CS/50, CS/100, or CS/200 with TCP/IP.

For example, to perform an rlogin from a UNIX host to a non-UNIX
host, enter the following command: rlogin <Internet address of
the port on the Communications Server where the host is
connected>

User_Interface

Refer to the Connection Service User's Guide for information on
user interface commands.  The commands not included in the
Connection Service User's Guide are described below:

- SETDefault (!<port-id>) InternetPort = <Internet address>

Assigns an Internet address to an individual physical or
rotary port.

- SETDefault (!<port-id>) InternetPort = 0.0.0.0

Removes the Internet address of an individual physical or
rotary port.

- SETDefault DefaultGateway = <Internet address>

Allows all remote net packets to be sent to the specified
gateway.

- SETDefault PrimaryNameServer = <Internet address>

Assigns an Internet address for the primary Name Server.  The
secondary Name Server will be queried if the primary Name
Server does not yield a name to address resolution.



- SETDefault SecondaryNameServer = <Internet address>

Assigns an Internet address for the secondary Name Server.
The primary Name Server will be queried if the secondary Name
Server does not yield a name to address resolution.

- SHow InternetPorts

Replaces the SHow InternetMap command.  It displays the
Internet address of the Communications Server itself and all
other Internet addresses associated with the Communications
Server (physical and rotary ports).

- SHow InternetServers

Displays Internet addresses of the Name Servers and Default
Gateway.

- SHow VirtualPorts

Displays the connection state (passive or active) of the
physical port to which these virtual ports are connected.

- SHow ARptable

Displays the mapping between Internet addresses and Ethernet
addresses of devices that communicate with the CS/50.  The
ARP always contains the unit's Internet address and the
broadcast address.

- ZeroArp

Cleans up the contents of the ARP table.  Normally, the
software automatically removes an ARP entry if it cannot
communicate with the device for more than 15 minutes.
However, if the device has moved to a different location,
this command can update the information in the ARP table
faster.

Compatibility

SW/50-TCP Version 13010 operates with the following products and
software releases:

.br;NCS/AT running SW/AT-NCS Version 10000 or later
.br;NCS/150 running SW/150-TCP-NCS Version 10000 or later
.br;CS/100 running SW/100-TCP Version 11000 or later
.br;CS/200 running SW/200-TCP Version 13000 or later
.br;CS/1 running SW/1-TCP Version 11000 or later
.br;CS/1-SNA running SW/1-T-SNA Version 10000 or later
.br;GS/3-IP running SW/3-IP Version 10000 or later
.br;IVECS running SW/IVECS-TCP Version 13000 or later
.br;TCPTerm Version 10000 or later

Table 1 illustrates hardware and firmware compatibility of
SW/50-TCP Version 13010.

''

____________________________________________
|  Table 1  Software/Firmware Compatibility |
|___________________________________________|
| Product|   Software  |       Firmware     |
|        |             |                    |
|        |             |          MP        |
|        |             |                    |
|  CS/50 |   SW/50-TCP |   E2 MMON Rev. 00B |
|________|_____________|____________________|

Documentation

The current versions of the manuals for the CS/50 are:

+ Connection Service User's Guide (8/86)
(Part number: 09-0063-01)

+ Network Management Guide (1/87)
(Part number: 09-0067-01)

+ Configuration Guide (1/87)
(Part number: 09-0093-00)

+ Getting Started Guide (1/87)
(Part number: 09-0043-01)

+ Series/50 Installation Guide (8/87)
(Part number: 09-0115-00)

If you have any questions, please contact an authorized Bridge
service representative for assistance.

Trademarks

UNIX is a registered trademark of AT&T.


