Netopia Netopia-3000 Router Manual PDF (Setup & Configuration Guide)

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106

Appendix A

Starting and Ending a CLI Session

There are two ways to open a CLI session:

1.

Open a telnet connection from a workstation on your network

2.

Connect a terminal to the Maintenance Port located on the rear panel

of the Cayman Gateway.

Connecting from telnet

You initiate a telnet connection by issuing the following command from an IP

host that supports telnet, for example, a personal computer running a telnet

application such as NCSA Telnet.

You must know the IP address of the Cayman Gateway before you can make a tel-

net connection to it. By default, your Cayman Gateway uses 192.168.1.254 as

the IP address for its LAN interface. You can use a Web browser or the mainte-

nance console to configure the Cayman Gateway IP address.

Connecting from the Maintenance Console Port

You can connect a terminal or terminal emulator to the maintenance console port

on the Cayman Gateway to configure, administer, and monitor your Cayman

Gateway.

The settings for your terminal emulator are:

•

Speed: 9600 bps

•

Parity: None

•

Databits: 8

•

Stopbits: 1

•

Duplex: Full

•

Flow Control: None

The console interface uses the same command line interface as the telnet inter-

face.

Logging In

The command line interface log-in process emulates the log-in process for a UNIX

host. To logon, enter the username (either admin or user), and your password.

•

Entering the administrator password lets you display and update all Cayman

Gateway settings.

•

Entering a user password lets you display (but not update) Cayman Gateway

settings.

BOTH

telnet <

ip_address

>

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107

Appendix A

Using the CLI Help Facility

When you have logged in successfully, the command line interface lists the user-

name and the security level associated with the password you entered in the diag-

nostic log.

Ending a CLI Session

You end a command line interface session by typing

quit

from the SHELL node

of the command line interface hierarchy.

Saving Settings

The

save

command saves the working copy of the settings to the Gateway. The

Gateway automatically validates its settings when you save and displays a warn-

ing message if the configuration is not correct.

Using the CLI Help Facility

The

help

command lets you display on-line help for SHELL and CONFIG com-

mands. To display a list of the commands available to you from your current loca-

tion within the command line interface hierarchy, enter

help

.

To obtain help for a specific CLI command, type

help <

command

>

. You can

truncate the

help

command to

h

or a question mark when you request help for a

CLI command.

About SHELL Commands

You begin in SHELL mode when you start a CLI session. SHELL mode lets you per-

form the following tasks with your Cayman Gateway:

•

Monitor its performance

•

Display and reset Gateway statistics

•

Issue administrative commands to restart Cayman Gateway functions

SHELL Prompt

When you are in SHELL mode, the CLI prompt is the name of the Cayman Gate-

way followed by a right angle bracket (>). For example, if you open a CLI connec-

tion to the Cayman Gateway named “Coconut,” you would see

Coconut>

as

your CLI prompt.

SHELL Command Shortcuts

You can

truncate

most commands in the CLI to their shortest unique string. For

example, you can use the truncated command

q

in place of the full

quit

com-

mand to exit the CLI. However, you would need to enter

rese

for the

reset

command, since the first characters of

reset

are common to the

restart

command.

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108

Appendix A

SHELL Commands

The only command you cannot truncate is

restart

. To prevent accidental inter-

ruption of communications, you must enter the

restart

command in its

entirety.

You can use the Up and Down arrow keys to scroll backward and forward through

recent commands you have entered. Alternatively, you can use the

!!

command

to repeat the last command you entered.

Platform Convention

For each Shell and Config command, an “Index Tab” shows which platform(s) the

command supports. For example

Both the Cayman 3220-H and 2E-H platforms use this command.

The Cayman 3220-H platform uses this command.

The Cayman 2E-H platform uses this command.

SHELL Commands

Sends an Address Resolution Protocol (ARP) request to match the

nnn.nnn.nnn.nnn

IP address to an Ethernet hardware address.

Lets you check the ATM connection reachability and network connectivity. This

command sends five Operations, Administration, and Maintenance (OAM) loop-

back calls to the specified vpi/vci destination. There is a five second total timeout

interval.

Use the

segment

argument to ping a neighbor switch.

Use the

end-to-end

argument to ping a remote end node

Clears the configuration settings in a Cayman Gateway. If you do not use the

optional

yes

qualifier, you are prompted to confirm the

clear

command.

BOTH

arp

nnn.nnn.nnn.nnn

DSL

atmping

vpi

vci

[ segment | end-to-end ]

ENET

reset ppp [enet-B]

BOTH

arp

nnn.nnn.nnn.nnn

DSL

atmping

vpi

vci

[ segment | end-to-end ]

BOTH

clear [yes]

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Appendix A

SHELL Commands

Puts the command line interface into Configure mode, which lets you configure

your Cayman Gateway with Config commands. Config commands are described

starting on

page 105

.

Runs a diagnostic utility to conduct a series of internal checks and loopback tests

to verify network connectivity over each interface on your Cayman Gateway. The

console displays the results of each test as the diagnostic utility runs. If one test is

dependent on another, the diagnostic utility indents its entry in the console win-

dow. For example, the diagnostic utility indents the Check IP connect to Ethernet

(LAN) entry, since that test will not run if the Check Ethernet LAN Connect test

fails.

Each test generates one of the following result codes:

With no flags set, this command installs a file of configuration parameters into the

Cayman Gateway from a TFTP (Trivial File Transfer Protocol) server. The TFTP

server must be accessible on your Ethernet network.

With the

–fw

flag set, downloads a new firewall text configuration to the Gate-

way.

With the

–key

flag set, downloads a new feature key to the Gateway.

You can include one or more of the following arguments with the download com-

mand. If you omit arguments, the console prompts you for this information.

•

The

server_address

argument identifies the IP address of the TFTP server

from which you want to copy the Cayman Gateway configuration file.

•

The

filename

argument identifies the path and name of the configuration

file on the TFTP server.

•

If you include the optional

confirm

keyword, the download begins as soon as

all information is entered.

BOTH

configure

BOTH

diagnose

CODE

Description

PASS

The test was successful.

FAIL

The test was unsuccessful.

SKIPPED

The test was skipped because a test on

which it depended failed.

PENDING

The test timed out without producing a

result. Try running the test again.

BOTH

download [-fw –key

server_address

] [

filename

] [confirm]

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Appendix A

SHELL Commands

Downloads a new version of the Cayman Gateway operating software from a

TFTP (Trivial File Transfer Protocol) server, validates the software image, and pro-

grams the image into the Cayman Gateway memory. After you install new oper-

ating software, you must restart the Cayman Gateway.

The TFTP server must be accessible on your Ethernet network. The

server_address

argument identifies the IP address of the TFTP server on which

your Cayman Gateway operating software is stored. The

filename

argument

identifies the path and name of the operating software file on the TFTP server.

If you include the optional

confirm

keyword, you will not be prompted to iden-

tify a TFTP server or file name. Your Cayman Gateway begins the software installa-

tion using its default boot settings.

.

Adds the message in the

message_string

argument to the Cayman Gateway

diagnostic log.

Displays or modifies the types of log messages you want the Cayman Gateway to

record. If you enter the

loglevel

command without the optional

level

argu-

ment, the command line interface displays the current log level setting.

You can enter the

loglevel

command with the

level

argument to specify the

types of diagnostic messages you want to record. All messages with a level num-

ber equal to or greater than the level you specify are recorded. For example, if

you specify loglevel 3, the diagnostic log will retain high-level informational mes-

sages (level 3), warnings (level 4), and failure messages (level 5).

Use the following values for the

level

argument:

•

1

or

low

– Low-level informational messages or greater; includes trivial status

messages.

•

2

or

medium

– Medium-level informational messages or greater; includes sta-

tus messages that can help monitor network traffic.

•

3

or

high

– High-level informational messages or greater; includes status

messages that may be significant but do not constitute errors.

•

4

or

warning

– Warnings or greater; includes recoverable error conditions

and useful operator information.

•

5

or

failure

–

Failures; includes messages describing error conditions that

may not be recoverable.

Displays the IP interfaces for your Cayman Gateway.

BOTH

install [

server_address

] [

filename

] [confirm]

BOTH

log

message_string

BOTH

loglevel [

level

]

BOTH

netstat -i

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