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Chapter 5
Advanced Configuration
55
8-Port 10/100 Ethernet Switch with Webview
Cable Length
This is the approximate length of the cable.
The Cable Length test can be performed only when the
port is up and operating at 1Gbps.
Admin > Save Configuration
Admin > Save Configuration
Via TFTP
After you download a new image file, the device should
be rebooted. If you are downloading a new boot image,
please follow these steps:
Download the new boot code.
1.
WARNING:
While inputting the boot code,
refrain from reseting the device.
Download the new software image.
2.
Reset the device now.
3.
Upgrade
Select this option to upgrade the switch from a
file located on a TFTP server.
TFTP Server
The TFTP Server IP Address that contains
the source file to upgrade from.
Source File
Specifies the name of the upgrade file on
the TFTP server.
Backup
To back up the switch configuration via TFTP,
enter the TFTP server address.
TFTP Server
Specifies the TFTP Server IP Address to
which the configuration file will be saved.
Destination
File
Specifies
the
name
of
the
configuration file. The default is
StartupCfg.cfg
.
Via HTTP
This
HTTP Firmware Upgrade
screen is used for saving
configuration information using your web browser.
Upgrade
Select this option to upgrade the switch from a
file on the local hard drive.
Source File
Type in the name and path of the file or
click
Browse
to locate the upgrade file.
Backup
Proceed
The
Proceed
button is used to backup the
configuration to the local hard drive.
Admin > Firmware Upgrade
Admin > FIrmware Upgrade
The
Firmware Upgrade
screen contains the following
fields:
via TFTP
Defines the upgrade through a TFTP Server.
via HTTP
Allows you to upgrade the firmware using your
Web browser.
Upgrade
Defines the screen functionality as a Firmware
upgrade.
Backup
Defines the screen functionality as a Firmware
backup.
TFTP Server IP Address
Specifies the TFTP Server IP
Address from which files are downloaded.
Source File Name
Specifies the file to be downloaded.
Destination File name
Specifies the destination file
type to which to the file is downloaded. The possible field
values are:
Software Image
Downloads the image file.
Boot Code
Downloads the boot file.
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Chapter 5
Advanced Configuration
56
8-Port 10/100 Ethernet Switch with Webview
NOTE:
When downloading a configuration file,
make sure that it is a valid configuration file. If
you have edited the file, ensure that only valid
entries have been configured.
Admin > Reboot
Admin > Reboot
The
Reboot
screen
resets
the
device.
The
device
configuration is automatically saved before the device is
rebooted.
Admin > Factory Defaults
The
Factory Reset
screen allows network managers to
reset the device to the factory defaults shipped with the
switch. Restoring factory defaults results in erasing the
configuration file.
Admin > Factory Defaults
NOTE:
Restoring the factory defaults will
erase all configuration settings that you have
made. You can save a backup of your current
configuration settings from the
Admin > Save
Configuration
screen.
Admin > Server Logs
The
Server Logs
screen contains information for viewing
and configuring the Remote Log Servers. New log servers
can be defined, and the log severity sent to each server.
Admin > Server Logs
Server
Specifies the server to which logs can be sent.
UDP Port (1-65535)
Defines the UDP port to which the
server logs are sent. The possible range is 1 to 65535. The
default value is
514
.
Facility
Defines a user-defined application from which
system logs are sent to the remote server. Only one facility
can be assigned to a single server. If a second facility level
is assigned, the first facility is overridden. All applications
defined for a device utilize the same facility on a server.
The field default is
Local 7
. The possible field values are
Local 0 - Local 7.
Description
Provides a user-defined server description.
Minimum Severity
Indicates the minimum severity from
which logs are sent to the server. For example, if Notice
is selected, all logs from a Notice severity and higher are
sent to the remote server.
The
Add to List
button adds the Server Log configuration
to the Server Log Table at the bottom of the screen.
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Chapter 5
Advanced Configuration
57
8-Port 10/100 Ethernet Switch with Webview
Admin > Memory Logs
The
Memory Log
screen contains all system logs in a
chronological order that are saved in RAM (Cache).
Admin > Memory Logs
Log Index
Displays the log number.
Log Time
Displays the time at which the log was
generated.
Severity
Displays the log severity.
Description
Displays the log message text.
Admin > Flash Logs
The
Flash Log
screen contains information about log
entries saved to the Log File in FLASH, including the time
the log was generated, the log severity, and a description
of the log message. The Message Log is available after
reboot.
Admin > Flash Logs
Log Index
Displays the log number.
Log Time
Displays the time at which the log was
generated.
Severity
Displays the log severity.
Description
Displays the log message text.
Page 64 / 86
58
About Gigabit Ethernet and Fiber Optic Cabling
8-Port 10/100 Ethernet Switch with Webview
Appendix A
Appendix A:
About Gigabit Ethernet
and Fiber Optic Cabling
Gigabit Ethernet
Gigabit Ethernet runs at speeds of 1Gbps (Gigabit per
second), ten times faster than 100Mbps Fast Ethernet, but
it still integrates seamlessly with 100Mbps Fast Ethernet
hardware. Users can connect Gigabit Ethernet hardware
with either fiber optic cabling or copper Category
5e cabling, with fiber optics more suited for network
backbones. As the Gigabit standard gradually integrates
into existing networks, current computer applications will
enjoy faster access time for network data, hardware, and
Internet connections.
Fiber Optic Cabling
Fiber optic cabling is made from flexible, optically efficient
strands of glass and coated with a layer of rubber tubing,
fiber optics use photons of light instead of electrons to
send and receive data. Although fiber is physically capable
of carrying terabits of data per second, the signaling
hardware currently on the market can handle no more
than a few gigabits of data per second.
Fiber cables come with two main connector types. The
most commonly used fiber optic cable is multi-mode
fiber cable (MMF), with a 62.5 micron fiber optic core.
Single-mode fiber cabling is somewhat more efficient
than multi-mode but far more expensive, due to its smaller
optic core that helps retain the intensity of traveling light
signals. A fiber connection always require two fiber cables:
one transmits data, and the other receives it.
Each fiber optic cable is tipped with a connector that fits
into a fiber port on a network adapter, hub, or switch.
In the USA, most cables use a square SC connector that
slides and locks into place when plugged into a port or
connected to another cable. In Europe, the round ST
connector is more prevalent.
For Gigabit Ethernet, you must use the Linksys MGBT1,
MGBSX1, or MGBLH1 miniGBIC modules with the Linksys
Gigabit Switches. The MGBSX1 and the MGBLH1 require
fiber cabling with LC connectors, and the MGBT1 requires
a Category 5e Ethernet cable with an RJ-45 connector.
For Fast Ethernet, you must use the MFEFX1 (100BASE-FX)
or MFELX1 (100BASE-LX) SFP transceivers.
Page 65 / 86
59
Downloading Using Xmodem
8-Port 10/100 Ethernet Switch with Webview
Appendix B
Appendix B:
Introduction
Startup Menu Procedures
The Startup menu can be entered when booting the
device. There is a two second window of time to enter the
Startup Menu immediately after the POST test. The menu
can be accessed directly from a terminal connected to the
console port. The Startup menu procedures can be done
using the ASCII terminal or Windows HyperTerminal.
The software download procedure is performed when a
new version must be downloaded to replace corrupted
files, update or upgrade the system software. To download
software from the Startup menu:
To enter the Startup menu:
Power off your computer and Switch.
1.
Connect
the
provided
null
modem
cable
from
the
2.
COM port on your computer to the Console port on
the Switch.
Power on your computer and launch HyperTerminal,
3.
follow the instructions in Chapter 4: Configuration
Using the Console Interface to configure HyperTerminal
to connect to the Switch.
Power
on
the
Switch
and
watch
for
4.
the auto-boot message:
Autoboot in 2 seconds - press
RETURN
or
Esc
to abort
and enter prom.
Auto-Boot Messages
When the auto-boot message appears, press the
5.
Enter
key to access the Startup menu.
Startup Menu
NOTE:
If a selection is not made within 35
seconds (default), the device times out and you
will need to disconnect the power to restart the
process.
Select
6.
[1] Download Software
and a message will
appear Downloading code using XMODEM with
characters running across the screen. If you do not
perform the steps on the next page to locate the file
for download within a certain time, the device will
reset.
Select
7.
Send File
from the
Transfer
pull-down menu.
Send File
In
the
8.
Filename:
field, enter the file path for the file
to be downloaded or click Browse to locate the file.
Only valid files, with a *.ros or *.rfb suffix, that have
been provided by Linksys, can be downloaded.
Downloading
invalid
files
will
result in unpredictable behavior.
Ensure that the Xmodem protocol is selected in the
Protocol:
field.

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