Cisco Sg2008 Manual

Administration
File Management
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Downloading an Image or Boot Code File From the System 
Boot Prompt
You can download and install a new image or boot code file at the system boot 
prompt using the TFTP and XMODEM protocols. This process may be necessary 
when the application software does not execute due to a corrupted software 
image or boot code file and, as a result, you cannot access the CLI or web-based 
interface utilities for downloading...

Administration
File Management
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STEP  5Enter the command to have an IP address assigned to the port from a DHCP server 
on the attached network:
CFE> ifconfig eth0 -auto
When the switch receives a DHCP reply, the IP information displays on the 
terminal.
STEP  6Enter the command to download an image file to Flash:
CFE>flash server-ipaddr:image-filename flash0.os
Or, enter the command to download a boot code file:
CFE> flash...

Administration
File Management
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STEP  3Stop the control at boot code by pressing and holding  + C continuously as 
the switch boots up, until the following prompt displays:
CFE>
STEP  4Enter the command to download a software image:
CFE>flash uart0 flash0.os 
Or, enter the command to download a boot code file:
CFE>flash uart0 flash0.boot
WARNING! Make sure that the switch is connected to an uninterrupted power 
supply during a boot code upgrade....

Administration
Rebooting the Switch
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Rebooting the Switch
Use the Reboot page reboot the switch. To reboot the switch:
STEP 1Click Administration > Reboot in the navigation window.
STEP  2Select one of the following options:
•Reboot—Reboots the switch using the latest save configuration.
•Reboot to Factory Default—Reboots the switch using with the factory 
default configuration file. Any customized settings are lost.
A window appears to enable...

Administration
Configuring Control Packet Forwarding
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STEP  3For an IPv4 address, enter the following parameters:
•IP Address/Hostname—Enter the IP address or the hostname of the station 
you want the switch to ping.
•Count—Specify the number of pings to send.
•Interval—Specify the number of seconds between pings sent.
•Datagram Size—Specify the data size of the ping packet to send.
For an IPv6 address, enter the following parameters:
•Ping...

Administration
Diagnostics
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•LLDP—Network devices use the Link Layer Discovery Protocol to advertise 
their capabilities to other devices. See LLDP-MED for information on 
configuring the LLDP feature on the switch. 
To configure control packet forwarding:
STEP 1Click Administration > Control Packet Forwarding in the navigation window.
STEP  2Select the protocol you want to configure (CDP, LLPD, or DOT1x).
STEP  3Select the action that a port...

Administration
Diagnostics
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Testing Copper Ports
Use the Copper Por ts page to perform tests on copper cables. These physical 
layer diagnostics can be used to help determine where in the cable a break might 
exist .
The Copper Ports Table lists each port and the following data, which it learned 
through the most recent test (default data appears if the port has not been tested):
•Test Result—Results of the most recent cable test. Possible values...

Administration
Diagnostics
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Configuring Port Mirroring
Use the port mirroring feature to send network traffic on a port copied to another 
port for analysis by a network analyzer.
A mirroring session consists of a destination probe por t and at least one source 
port. A mirror copy of the traffic on the source port(s) being probed are 
transmitted from the source port to the destination probe port. A network analyzer 
can be connected to a...

Administration
Diagnostics
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To configure a mirroring session:
STEP 1In the Port Mirroring Source Interface Table, click Add.
STEP  2Select a Session ID.
STEP  3Select the Source Interface and the type of traffic to be mirrored.
STEP  4By using the Type radio button, specify the direction of the traffic at the source 
interface that is to be monitored:
•Rx Only—Incoming traffic
•Tx Only—Outgoing traffic
•Tx and R x—Both incoming and outgoing...

Administration
Enabling Bonjour
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To clear the current configuration for a session, select the session and click Edit. 
Then select Enable for Reset Session field.
CPU/Memory Utilization
Use the CPU/Memory Utilization page to monitor CPU and memor y usage. To 
display this page, click Administration > Diagnostics > CPU/Memory Utilization 
in the navigation window.
The page displays the following data:
•Refresh Rate—Specify that the page refresh...