We believe the information in this manual is accurate and reliable. However, we assume no
responsibility, financial or otherwise, for any consequences of the use of this product or manual.
This manual is published by Cyclades Corporation, which reserves the right to make improvements
or changes in the products described in this manual as well as to revise this publication at any time
and without notice to any person of such revision or change. The operating system covered in this
manual is v2.3.0. All brand and product names mentioned in this publication are trademarks or
registered trademarks of their respective holders.
Cyclades, AlterPath ACS1, AlterPath ACS4, AlterPath ACS8, AlterPath ACS16, AlterPath
ACS32, and AlterPath ACS48 are registered trademarks of Cyclades Corporation.
Microsoft, Windows 95, 98, XP, ME, NT, and 2K are trademarks of Microsoft Corporation.
UNIX is a trademark of UNIX System Laboratories, Inc.
Linux is a registered trademark of Linus Torvalds.
For latest manual revisions, please refer to Cyclades website on:
http://www.cyclades.com/support/downloads.php
All rights reserved. This document may not, in whole or part, be copied, photocopied, reproduced,
translated, or converted to any electronic or machine-readable form without the prior written
consent of Cyclades Corporation, 41829 Albrae Street, Fremont, CA 94538, USA. Telephone (510)
771-6100. Fax (510) 771-6200. www.cyclades.com.
WELCOME to the AlterPath Console Server User Guide! This manual is
designed to guide you in installing and configuring the AlterPath Console
Server through the ACS web user interface, as well as other necessary
information to guide you in your day-to-day operations of the ACS.
Audience
This manual is intended for System administrators and regular users who are
responsible for the daily administration and operation of the AlterPath
Console Server, using the web application interface.
While users may use any available method to configure the ACS, the ACS
web interface is primarily designed for users who are new to Linux or UNIX
with a primarily PC/Microsoft background.
The user is expected to have a basic knowledge of networking and using a
graphical user interface.
For users who wish to configure ACS using vi, Wizard, or Command Line
Interface (CLI), or read about other advanced features of the ACS, please
refer to the ACS Reference Guide.
Document Organization
This manual is organized as follows:
1: IntroductionDefines and explains the overall product features
and uses of ACS.
2: Installing the ACSExplains the procedure for installing and setting
up ACS.
3: Using the Web Interface Explains how to access devices and operate the
web interface. This chapter is designed for the
ACS regular user.
AlterPath Console Server User Manual1
Before You Begin
4: Configuring the WebPresents the procedures for configuring the
InterfaceACS, using the web interface. All the procedures
Appendix ASummarizes the Hardware Specifications of the
Appendix BOutlines the Safety Considerations for
Appendix CLists the latest Web Browsers that ACS
GlossaryContains a glossary of terms and acronyms used
IndexIndex of key words or subjects.
Typographical Conventions
follows the menu structure of the entire web
interface in Wizard Mode and Expert Mode.
AlterPath Console Server, and lists the PCMCIA
cards that the ACS supports.
installing and handling the ACS.
supports, and explains the procedure for
installing JRE on your PC.
in the manual.
Form/Window labelsWords that appear on forms, windows, or any
part of the user interface are typed in boldface. Examples:
The Add User dialog box; the Password field.
Hypertext linksWith the exception of headings and the Table of
Contents (which are already linked), all
underlined
words are hypertext links.
Important wordsFor emphasis, important words are italicized.
Menu selectionsThe order in which you select a menu is indicated
by the “greater than” symbol (>).
Example: Network > Access Method.
Screen wordsWords that appear as part of the graphical user
interface are typed in boldface.
Examples: The Configuration window; the
Password field.
2AlterPath Console Server User Manual
Before You Begin
Untitled Data FieldsSome data entry fields of the GUI windows or
forms do not have titles. When this field is
described in any field definition section of the
manual, the field is indicated as untitled,
enclosed in angled brackets.
Example:
[untitled] Type in the port number in this field.
Untitled formsWhile most forms are identified by it’s menu
selection, some forms do not bear the title. The
manual uses initial capitals to refer to their
names or titles.
Examples:
The Data Buffering form; the VPN Connections
form; the Active Ports Session form.
User entry wordsWords or characters that you would type in are
shown in courier.Example: myPas8worD
Window levelsScreen levels are also indicated by the “greater
than” symbol (>), starting from parent to child to
grandchild and so forth. In ACS, the navigable
window types are the forms and the dialog boxes.
Example: Security > Users and Groups > Add
Naming Conventions
ACSShort name for the Cyclades AlterPath Console
Server.
Dialog boxThe dialog box is a pop up window that appears
and prompts for user input as part of the process
for completing a form in order to configure the
ACS.
FormThe form is the largest part of the user interface;
it contains the user selection or input fields for
each selected item in the menu.
AlterPath Console Server User Manual3
Before You Begin
Form namesThe name or title of a form may not necessarily
SelectTo select is the same as to clickyour mouse.
Document Symbols
This manual uses graphical symbols that are associated with specific types of
note or information to indicate the following:
appear on the actual form. When this is the case,
the form is named after its menu selection or
form function.
Reference to another page or document.
Note
Important
Danger or Warning
Cross References
The ACS User Manual cross-references the following Cyclades documents:
•ACS Reference Guide
•AlterPath Manager Manual
•Cyclades Power Management Manual
To access Cyclades product documentation, including release notes and
updates, please visit the Cyclades web site at:
www.cyclades.com/support/downloads.php
4AlterPath Console Server User Manual
Chapter 1
Introduction
Chapter 1 - Introduction
The AlterPath Console Server (ACS) comes from Cyclades’ line of Console
Access and Te rminal Servers designed to allow local and dial-in access for inband and out-of-band network management.
Modeled after the Cyclades-TS line of console server, the ACS adds the
following advanced features:
•PCMCIA slots that support standard interface cards (Ethernet, Modem,
and wireless LAN).
•Optional dual entry redundant power supply (AC/DC) for extra reliability.
•Secure clustering for up to 1024 devices, SSH v2, RADIUS
authentication, IPSec, IP filtering, and user access lists per port.
•Console management supports Windows Server 2003 EMS protocols.
•Data buffering, Event notification, and a selection of direct access
methods to serial ports.
The Alterpath ACS is available in 1, 4, 8, 16, 32 and 48-port models that fit in
1U of rack space. As with most Cyclades products, the ACS runs an
embedded version of the Linux operating system.
Audience
This manual is designed primarily for system administrators and regular users
who configure and operate the ACS using the web browser, and who are
fairly new to Linux.
For all configurations that involve using the VI text editor or command line
interface (CLI), please refer to the ACS Reference Guide.
ACS Access and Configuration
You can access the ACS using any of the following three methods:
•Web Browser
•Console directly connected to the ACS
5AlterPath Console Server User Manual
1: Introduction
•Telnet/SSH over a network
You can configure ACS by using any of the following user interfaces:
•Web Browser
•VI Editor
•Wizard
•Command Line Interface (CLI)
With the ACS set up as a Console Access Server, you can access a server
connected to the ACS through the server’s serial console port from a
workstation on the LAN or WAN.
There is no authentication by default; you can configure the system for
authentication to be performed by a Radius server, a TacacsPlus server, or
even by a local database. You can use either Telnet or ssh (a secure shell
session).
Product Models and Components
There are two models of the ACS based on the type of power supply:
•ACS with a dual power supply and two PCMCIA slots
•ACS with a single power supply and two PCMCIA slots.
There are six models of the ACS based on the number of serial ports:
•ACS48
•ACS32
•ACS16
•ACS8
•ACS4
•ACS1
6AlterPath Console Server User Manual
The figure below shows AlterPath ACS1 through ACS48.
1: Introduction
AlterPath Console Server User Manual7
1: Introduction
ACS Setup Diagram
The diagram below shows a typical setup of the AlterPath Console Server.
8AlterPath Console Server User Manual
Chapter 2
Installing the ACS
Chapter 2 - Installing the ACS
This chapter presents the procedures for installing and setting up the ACS,
and is organized as follows:
•Package Contents
•Rack Installation
•Installation and Configuration Process
For configuration procedures using vi or CLI, refer to the
ACS Reference Guide.
Package Contents
There are six models of the AlterPath Console Server based on the number of
serial ports:
•ACS48
•ACS32
•ACS16
•ACS8
•ACS4
•ACS1
All models come with either a single (A/C or VDC) or double (A/C or -48
VDC) power supply.
9AlterPath Console Server User Guide
2: Installing the ACS
Package Contents: ACS4 through ACS48
Typically, the product package for ACS4 through ACS48 contains the
following:
•ACS Box
•Power Cable(s)
•ADB0017 - DB25F Console Adapter
•ADB0025 - DB25M Console Adapter
•ADB0036 - DB9F Console Adapter
•ADB0039 - Sun/Netra Adapter
•CAB0018 - RJ45 CAT-5 Cable
•CAB0025 - DB25M Straight-Through Cable
•CON0071 - DB25F Loopback Connector
•Rack-Mounting Kit
•ACS User Manual and ACS QuickStart Guide
•ACS Reference Manual CD
10AlterPath Console Server User Guide
Package Contents: ACS1
The ACS1 Package contains the following:
•ACS1 Box
•Power Cable
•Power Supply +5V / 2.5A
•CAB0042 - DB25F / DB9F Cross Cable
•CAB0018 - RJ45 / RJ45 CAT5 Cable
•CON0071 - DB25F Loopback Connector
•ADB0036 - RJ45 to DB9F Adapter
•CON0093 - DB9F to DB25M Connector
•ACS User Manual and ACS QuickStart Guide
•ACS Reference Manual CD
2: Installing the ACS
AlterPath Console Server User Guide11
2: Installing the ACS
Rack Mounting the ACS
To rack-mount and connect the ACS to your network, perform the following
steps:
1. Install the brackets onto the front corners of the box using a screw driver
Although the ACS unit in the figures are shown with a dual power supply (A/C
or -48VDC), some models may have a single power supply. The single power
units will have just one power cable.
(ACS48 supports -48VDC.)
and the screws and bolts provided with the mounting kit.
brackets
2. Mount the ACS box in a secure position.
Refer to Appendix B: Safety Guidelines section of this manual to ensure
safety .
Important! Install your AlterPath Console Server near the power
managed equipment and in an easily accessible location.
Important! Install the AlterPath Console Server in a location where
there is an adjacent and accessible wall socket outlet.
3. Proceed to the Installation and Configuration section of this chapter.
12AlterPath Console Server User Guide
System Requirements
To configure the ACS, Cyclades recommends any of the following hardware
specifications:
•Workstation with a console serial port or,
•Workstation with Ethernet and TCP/IP topology or,
•Cyclades AlterPath Manager.
The hardware connectivity required for each configuration method:
Hardware ConnectivityConfiguration Method
Workstation, Hub Ethernet Cables.Web browser, vi, Wizard, or CLI
Console, Console Cable (constructed from RJ45
This manual is designed primarily for web browser users. If you will use vi,
the wizard (CLI version) or CLI, refer to the ACS Reference Guide.
2: Installing the ACS
vi, Wizard, or CLI.
To install ACS with AlterPath Manager, refer to the AlterPath
Manager Manual and configure the device using the Manager.
Default Configuration Parameters
•DHCP enabled (if there is no DHCP Server, IP for Ethernet is
192.168.160.10 with a Netmask of 255.255.255.0)
•CAS configuration
•Socket_server in all ports (access method is telnet)
•9600 bps, 8N1
•No Authentication
AlterPath Console Server User Guide13
2: Installing the ACS
Pre-Install Checklist
Before you install and configure the ACS, ensure that you have the following:
Root AccessYou will need Root Access on your local UNIX
HyperTerminal, Kermit,If you are using a PC, ensure that HyperTerminal
or Minicomis set up on your Windows operating system. If
IP Address of:You will need to locate the IP address of your PC
PC or terminal, or workstation, the ACS, and the machine that
AlterPath Console Server,resolves names on your network. Your Network
NameServer, and Gateway Administrator can supply you with these. If there
Network AccessYou must have a NIC card installed in your PC to
machine in order to use the serial port.
you have a UNIX operating system, you will be
using Kermit or Minicom.
is outside access to the LAN that the ACS will be
connected with, you will need the gateway IP
address.
provide an Ethernet port, and have network
access.
Java 2 JREYou must have Java 2 Runtime Environment
(JRE) version 1.4.2 (which can be found at http://
java.sun.com/) installed on your PC with your
browser acknowledged to use it.
Ensure that the browser you are using
acknowledges the Java version by following the
procedures given in Appendix C: Supported Browsers and JRE.
14AlterPath Console Server User Guide
Installation and Configuration Process
The installation and configuration process is divided into six distinct tasks:
•Task 1: Install ACS and connect to the network.
•Task 2: Configure the network settings (using the console port).
•Task 3: Configure ACS by using the web in Wizard Mode.
•Task 4: Test Configuration.
•Task 5: Customize configuration by using the web in Expert Mode.
•Task 6: Save Changes.
You can configure ACS using the command line interface alone.
See the ACS Reference Guide to configure ACS in CLI.
Task 1: Install ACS and connect to the network
1. Plug the power cable into the ACS.
(When using an external power source. Optional.) Insert the female end of
the black power cable into the power socket on the ACS and the 3-prong
end into a wall outlet.
2: Installing the ACS
DANGER!
grounded power source. The cable is equipped with a 3-prong plug to hel p
ensure proper grounding. Do not use adapter plugs or remove the grounding
prong from the cable. If you use an extension cable, use a 3-wire cable with
properly grounded plugs.
IMPORTANT!
receptacle protected by an appropriate, listed circuit breaker
To help prevent electric shock, plug the ACS into a properly
The AlterPath Console Server must be plugged into a
.
2. Connect the console cable.
Construct a Console Cable out of the RJ-45 straight-through cable and the
appropriate adapter provided in the product box. (All adapters have an RJ-45
connector on one end, and either a DB25 or DB9 connector on the other end,
male or female). Connect this cable to the port labeled “Console” on the ACS
with the RJ-45 connector end, and connect the adapter end to your PC’s
available COM port.
AlterPath Console Server User Guide15
2: Installing the ACS
3. Connect to the Network.
Task 2: Configure network settings
This step is necessary to make ACS visible on the network. The configuration
can be done using the console port of the Cyclades ACS or via the network
using the default network settings.
Initial Configuration Using the ACS Console Port
1. Install and launch your serial communication software (e.g.,
The modem cable is not necessary for a standard installation and
configuration. Use it when the configuration is complete and you
want to access the box remotely thro ugh a serial port.
Connect the ACS network port to the Ethernet hub switch.
HyperTerminal, Kermit or Minicom).
You can obtain the latest update to HyperTerminal from:
http://www.hilgraeve.com/htpe/download.html.
If you are using a PC, use HyperTerminal to perform the initial
configuration of the ACS directly through your PC’ s COM port connected
with the ACS. HyperTerminal, which comes with Windows 95, 98, Me,
NT, 2K, and XP is often located under Start > Program > Accessories.
HyperTerminal emulates a dumb terminal when your PC connects to the
serial port (console port) of the ACS.
2. Select available COM port.
In HyperTerminal (Start > Program > Accessories), select File >
Properties, and click the Connect To tab. Select the available COM port
number from the Connection dropdown list box.
3. Configure COM port using the following values:
•9600 bps
•8 data bits
•No parity
•1 stop bit
•No flow control
16AlterPath Console Server User Guide
2: Installing the ACS
4. Power on the ACS.
Click OK on the Properties window.
You will see the ACS booting on your screen. After it finishes booting,
you will see a login prompt.
5. Connect COM Port to the ACS Console.
Login as root, and enter the default password, tslinux.
6. Type in: wiz
As shown in the sample screen below, the system brings up the
configuration wizard banner and begins running the wizard. Follow the
system prompts to either accept the default values or enter them manually .
For the procedure on how to configure the ACS from wiz to support
Kerberos tickets, r e fer to the ACS Reference Guide.
7. Proceed to Task 3.
AlterPath Console Server User Guide17
2: Installing the ACS
After the initial configuration, you can configure the network further by using
any of the following methods:
•Web Interface
•Command Line Interface via SSH
•AlterPath Manager, if installed in your network
Task 3: Configure via Web Wizard
Proceed to Chapter 4: Configuring the Web Interface, and complete the
procedure for configuring ACS in Wizard Mode.
Task 4: Test Configuration
Log in as a regular user and connect to a port.
Check the other features (e.g., Data Buffering, Management, etc.) as
discussed in Chapter 3: Using the ACS.
To use the ACS web management interface, ask your System
Administrator for the IP address. By default, ACS uses the IP
address provided by the DHCP server. If your network doesn’t have
DHCP, then ACS will default to 192.168.160.10. Configure your
ACS to connect to this address and run the web interface.
To create new users, see Wizard Mode Step 3: Access (page 4-10) of
Chapter 4: Configuring the Web Interface.
Task 5: Configure the web interface in Expert Mode
Return to Chapter 4: Configuring theWeb Interface and continue with
configuration using the Expert Mode.
Task 6: Save Changes
Click on the Apply Changes button located on the bottom of the ACS Web
Configuration screen when done to save your configuration to Flash.
18AlterPath Console Server User Guide
Chapter 3
Using the Web Interface
Chapter 3 - Using the Web Interface
This chapter presents the methods for accessing serial ports and the basic
operations for using ACS. Addressed to the ACS end user, the chapter is
divided into the following topics:
•Using the Web Interface
•Using the Command Line Interface
•Using Telnet
•Using the TS Menu
•Power Management
Using the Web Interface
Refer to Appendix B for a description of the web requirements for
connecting to a serial port.
To use the web interface to connect to a serial port, follow the following
procedure:
1. Connect your web browser to the ACS by typing in the Console
Access Server’s IP address (e.g., https://10.10.10.10) provided to
you by your system administrator in the address field of your
internet browser.
2. Press Enter.
19AlterPath Console Server User Manual
3: Using the Web Interface
The system brings up the ACS Web Application Login Window:
3. To log in, type in your username and password as provided to you
by your system administrator.
4. From the top menu bar, select Applications; from the left menu panel,
select Connect
The system brings up the Port Selection form:
.
20AlterPath Console Server User Manual
3: Using the Web Interface
5. T o connect to a port (by default, the radio button is already selected
for connecting to a port), select from the drop down menu the port
to which you wish to connect, and then click on Connect.
- OR To connect to the ACS box, select the radio button for Connect to
ACS Box, and then click on Connect.
Depending on your selection, the system either opens a Java
connection to the port selected, or launches an SSHv2 connection to
the ACS box.
In the sample screen below, the system dispalys a Java window
after connecting to a chosen server.
Using the Command Line Interface (CLI)
Operating the terminal varies according to whether the selected port is
configured for Telnet access or for SSH access.
To log in, see the log in instructions for Telnet or SSH in the next section of
this chapter.
Click in the terminal window and start entering commands.
AlterPath Console Server User Manual21
3: Using the Web Interface
To send a break to the terminal, click on the SndBreak button.
The upper right hand corner of the browser (Java window) shows two icons:
Refresh and Disconnect.
Select the left icon to refresh or reconnect to the server; select the right icon to
end the session or disconnect from the Java window.
Logging onto the Terminal
Telnet Access
To open a telnet session to a serial port, enter the following command:
telnet <hostname or IP address> <TCP port number>
Press ENTER
Where:
<hostname> is the hostname configured in the workstation where the telnet
client will run (through /etc/hosts or DNS table). Or it can just be the IP
address of the AlterPath ACS (Ethernet's interface) as configured by the user
or as learned from DHCP.
<TCP port number> is the number associated to the serial port. The factory
values, 7001 corresponds to serial port 1, 7002 to serial port 2 and so forth,
and 3000 is a pool with all serial ports.
T o close the telnet session, just press the telnet hot key configured in the telnet
client application (usually it's "Ctrl-]").
SSH Access
Secure Shell (SSH) is a command interface and protocol often used by
network administrators to connect securely to a remote computer. SSH
replaces its non-secure counterpart rsh and rlogin. There are two versions of
the protocol, ssh and ssh2. The AlterPath Console Server offers both.
22AlterPath Console Server User Manual
To ope n a ss h session to a serial port or the next free serial port from a pool,
issue the command:
ssh -l <username>:<server> <hostname or IP address>
Where:
<username> is the user configured to access that serial port. It is present either
in the local CAS database or in a Radius/Tacacs/LDAP/Kerberos, etc
database.
<Server> can be just the TCP port number assigned for that serial port (7001,
7002, etc), (3000, etc), the alias for the server connected to that serial port.
<hostname or IP address> is the hostname configured in the workstation
where the ssh client will run (through /etc/hosts or DNS table). It can also be
just the IP address of the AlterPath ACS (Ethernet's interface) configured by
the user or learned from DHCP.
T o exit the ssh session, press the hot key configured for that ssh client (usually
"~.").
ts_menu Access
3: Using the Web Interface
To a ccess the serial port (telnet or ssh) using the ts_menu, login to the CAS
unit and, after receiving the shell prompt, type in:
ts_menu
If configured, the menu will display the servername otherwise it defaults to
the serial port number. See the sample menu below:
Serial Console Server Connection Menu for your Master
Terminal Server
Type 'q' to quit, a valid option[1-8], or anything else
to refresh:
AlterPath Console Server User Manual23
3: Using the Web Interface
Closing the session from ts_menu (from the console of your unit)
1. Enter the escape character.
The escape character is shown when you first connect to the port.
In character/text Mode, the Escape character is ^] (caret and bracket, for
telnet) or ~. (tilde and period, for SSH).
After entering the escape character, the following menu is shown:
Console escape. Commands are:
l go to line mode
c go to character mode
z suspend telnet
b send break
t toggle binary
e exit telnet
2. Press “e” to exit from the session and return to the original menu.
Select the exit option and you will return to the shell prompt.
Closing the session from ts_menu
From Telnet
You have to be sure that a different escape character is used for exiting your
telnet session; otherwise, if you were to exit from the session created through
the ts_menu, you will close your entire telnet session to your unit.
To do this, when you first telnet to your unit, use the “-e” option.
Example: to set Ctrl-? as the escape character, type:
telnet -e ^? 192.168.160.10
To exit from the session created through the ts_menu, just follow Step 1 from
above. To exit from the entire telnet session to your unit, type the escape
character you had set.
From SSH
If you use SSH to make the first connection to the ACS, then the escape
character for each session becomes: ~~. (tilde, tilde, period)
24AlterPath Console Server User Manual
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