Appendix A: Troubleshooting; Common Problems And Solutions; Appendix B: Upgrading Firmware Via The Serial Port106 - Linksys Etherfast EF1704 User Manual

Appendix A: Troubleshooting

Common Problems and Solutions

This section provides possible solutions to problems regarding the installation
and operation of the Layer 3 Management 4-Port Gigabit Ethernet Switch. If
your situation is described here, the problem should be solved by applying the
corresponding solution. If you can't find an answer here, check the Linksys
website at www.linksys.com.
1. I can't connect to the Switch using the telnet, Web browser, or SNMP soft-
ware.
• Be sure you have configured the agent with a valid IP address, subnet mask,
and default gateway.
• Check that you have a valid network connection to the Switch and that the
port you are using has not been disabled.
• Check the network cabling between the management station and the Switch.
• If you cannot connect using telnet, there may already be four active sessions.
Try connecting again at a later time.
2. I forgot or lost the password.
• Reinstall the switch firmware as described in the Appendix. Otherwise, con-
tact Linksys Technical Support for help.
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Instant EtherFast Series
®
EtherFast Layer 3 Management 4-Port Gigabit Ethernet Switch
®
Appendix B: Upgrading
Firmware via the Serial Port
You can upgrade system firmware by connecting your computer to the serial
port on the Switch and using a console interface package that supports the
XModem protocol.
1. Restart the system by using the Restart System command, or by pulling out
the power cord to reset the power, waiting five seconds, and plugging it
back in.
2. When the system initialization screen appears as shown below, press "D"
to download system firmware, and then indicate the code type (<r>
Runtime image or <d> Diagnostic image).
POST Version V2.55.A03 8/18/2000
------ Power-On SElf Test (POST) ------
Int. Loopback Testing SCC2 UART Channel ...PASS
Testing the System SDRAM
Int. Loopback Testing _____UART Channel ...PASS
Int. Loopback Testing _____UART Channel ...PASS
CPU Self Test
FlashROM CheckSum Test
!!! If you want to download image file, Please press <D>
to download:
!!! Download Runtime image, press <r>
!!! Download Diagnostic image, press <d>
!!! Clear the system parameter block, press <c>r
Please input the Baud Rate as following:
Press 1: Baud Rate = 9600
Press 2: Baud Rate = 19200
Press 3: Baud Rate = 38400
Press 4: Baud Rate = 57600
Press 5: Baud Rate = 115200
Select a number and then press <ENTER> !!! 5
Please change local console BaudRate to exact rate and
press <ENTER>!!!
...PASS
...PASS
...PASS
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