20 Most Recent Cisco Catalyst 3550-24 24-Port Ethernet Switch (WSC355024FX) Questions & Answers


Following links might be helpful to you:

http://web.ivy.net/carton/rant/l3-switch/switch-l3intro.html

http://compnetworking.about.com/od/hardwarenetworkgear/f/layer3switches.htm

http://www.e-tutes.com/lesson8/networking_fundamentals_lesson8_3.htm

http://nixcraft.com/computer-networking-internet-broadband/454-difference-between-layer-3-switch-router.html

Thanks for contacting Fixya.

Cisco Catalyst... | Answered on Jun 29, 2018


Hi,
Can you post the contents of your running config to this post?
Telnet into your switch, and use the command show run - copy and paste the output

Cisco Catalyst... | Answered on Mar 07, 2011


Call cisco for a RMA 1800-553-2447

Cisco Catalyst... | Answered on Dec 25, 2010


Configuring a router is not like fixing something that can be taught in two simple lines instead it requires a lot of hard work and study but here is the catch it is very rewarding also. If you want to configure the router than you have to download the appropriate manual from the following website.

http://safemanuals.com/brand-user-guide-instructions-owner-manual/INVENTEL

Cisco Catalyst... | Answered on Oct 26, 2010


Sounds like you may need to reload the IOS

Cisco Catalyst... | Answered on Oct 16, 2010


HyperTerminal sucks. Use PuTTY and make sure you have the correct baud rate of 9600 set.

Putty Link:
http://www.chiark.greenend.org.uk/~sgtatham/putty/download.html


Cisco Catalyst... | Answered on Apr 04, 2010


Not enough info on this problem but you could always check the IOS version and upgrade it although the Cisco 3550 is end of life.

Cisco Catalyst... | Answered on Jan 17, 2010


password recovery procedure 3550 catalyst cisco switch
1>Attach a terminal or PC with terminal emulation (for example, Hyper Terminal) to the console port of the switch. Use the following terminal settings: ¨ Bits per second (baud): 9600 ¨ Data bits: 8 ¨ Parity: None ¨ Stop bits: 1 2>Unplug the power cable. 3>Power the switch and bring it to the switch: prompt 4>Issue the flash_init command 5>Issue the load_helper command. switch: load_helper switch: 6>Issue the dir flash: command. Note: Make sure to type a colon ":" after the dir flash.
7>Type rename flash:config.text flash:config.old to rename the configuration file. 8>Issue the boot command to boot the system. switch: boot Loading "flash:c3500xl−c3h2s−mz.120−5.WC7.bin"...############################### ################################################################################ ###################################################################### 9>Enter "n" at the prompt to abort the initial configuration dialog. −−− System Configuration Dialog −−− At any point you may enter a question mark '?' for help. Use ctrl−c to abort configuration dialog at any prompt. Default settings are in square brackets '[]'. Continue with configuration dialog? [yes/no]: n !−−− Type "n" for no. Press RETURN to get started. !−−− Press Return or Enter. Switch> !−−− The Switch> prompt is displayed. 10>At the switch prompt, type en to enter enable mode. Switch>en Switch# 11>Type rename flash:config.old flash:config.text to rename the configuration file with its original name. Switch#rename flash:config.old flash:config.text Destination filename [config.text] !−−− Press Return or Enter. Switch# 11. Copy the configuration file into memory. Switch#Type rename flash:config.old flash:config.text to rename the configuration file with its original name. Switch#rename flash:config.old flash:config.text Destination filename [config.text] !−−− Press Return or Enter. Switch# 11. Copy the configuration file into memory. Switch#copy flash:config.text system:running−config Destination filename [running−config]? !−−− Press Return or Enter. 1131 bytes copied in 0.760 secs Sw1# The configuration file is now reloaded.
Destination filename [running−config]? !−−− Press Return or Enter. 1131 bytes copied in 0.760 secs Sw1# The configuration file is now reloaded. 12>Overwrite the current passwords that you do not know. Choose a strong password with at least one capital letter, one number, and one special character. Note: Overwrite the passwords which are necessary. You need not overwrite all of the mentioned passwords. Sw1# conf t !−−− To overwrite existing secret password Sw1(config)#enable secret <new_secret_password> 13>!−−− To overwrite existing enable password Sw1(config)#enable password <new_enable_password> !−−− To overwrite existing vty password Sw1(config)#line vty 0 15 Sw1(config−line)#password <new_vty_password> Sw1(config−line)#login !−−− To overwrite existing console password Sw1(config−line)#line con 0 Sw1(config−line)#password <new_console_password> Write the running configuration to the configuration file with the write memory command. Sw1#write memory Building configuration... [OK]

Cisco Catalyst... | Answered on Nov 07, 2009


Unfortunately the show stack isn't showing any results other than it is either a hardware or software fault. I am guessing it is a fault with the hardware as the show version in your first post states "interface Ethernet-controller 4 failed POST POST error status : general error occured".

Ethernet-controller 4 is one if the gigabit ports (poss fibre port), so if you have anything attached to those, disconnect and reboot the switch and see what happens. If that doesn't work, you could try reinstalling the IOS, but at a guess I would say its a hardware fault.

Cisco Catalyst... | Answered on Jun 02, 2009


Hi

I have checked and no data found for that S/N

Thanks

Cisco Catalyst... | Answered on Nov 26, 2014


Hi

Instructions
telnet to the IP address of the Cisco switch
Enter the telnet access password for the Cisco swict when requested, and then the "Enter" key.
Type "enable" at the command prompt, and then the "Enter" key.
Enter the Privileged Exec password when requested at the command prompt, and then the "Enter" key. Then enter "configuration terminal" at the command prompt, and then the "Enter" key.
Type "interface fastethernet0/1," replacing the "fastethernet0/1" with the name of an interface in which you wish to enable PoE, and then the "Enter" key. Then, while in interface configuration mode, type "power inline auto" and then the "Enter" key. Repeat this step for each interface in which PoE is required.
Type "end" at the command prompt and then the "Enter" key, copy running-config
Below is some commands to run, I don't have any power on the interface but this will show you if this is working...
SW1#sh power inline fastEthernet 0/1
Available:360(w) Used:0(w) Remaining:360(w)
Interface Admin Oper Power Device Class Max
(Watts)
--------- ------ ---------- ------- ------------------- ----- ----
Fa0/1 auto off 0.0 n/a n/a 15.4
Run this command to see the interface is up.....
SW1# sh interface fastEthernet 0/1 ' in protocol
FastEthernet0/1 is up, line protocol is up (connected)
SW1#sh cdp interface fastEthernet 0/1
FastEthernet0/1 is up, line protocol is up
Encapsulation ARPA
Sending CDP packets every 60 seconds
Holdtime is 180 seconds


Thanks

Cisco Catalyst... | Answered on Nov 26, 2014


Fuel Temperature Sensor "B" Circuit High Input
- Faulty Fuel Temperature Sensor
- Fuel Temperature Sensor harness is open or shorted
- Fuel Temperature Sensor circuit poor electrical connection

Cisco Catalyst... | Answered on Aug 29, 2014


You can only reset password this way:
1.
Attach a terminal or PC with terminal emulation (for example, Hyper Terminal) to the console port of the switch.
Use the following terminal settings:
  • Bits per second (baud): 9600
  • Data bits: 8
  • Parity: None
  • Stop bits: 1
  • Flow Control: Xon/Xoff
2.Unplug the power cable.
3. Hold down the mode button located on the left side of the front panel, while you reconnect the power cable to the switch
4. Release the Mode button when the SYST LED blinks amber and then turns solid green. When you release the Mode button, the SYST LED blinks green.
5. switch: flash_init
6. switch: load_helper
7. switch: dir flash:
8. switch: rename flash:config.text flash:config.old
Rename config.text to config.old. In that file the password is stored.
9. switch: boot
10. Enter "n" at the prompt to abort the initial configuration dialog
11. Type en to enable
12. Switch#rename flash:config.old flash:config.text
13. Switch#copy flash:config.text system:running-config
14. Overwrite the current passwords:
conf term
enable secret <new pass>
enable password <new pass>
line vty 0 15
password <new pass>
login
line con 0
password <new pass>

15. write memory
16. copy run start

Cisco Catalyst... | Answered on Jun 20, 2014


DO NOT CALL FAKE NUMBERS OR GO TO FAKE WEBSITES. These phony support numbers send you to criminal call centers where they will install malware, steal ID and/or extort money from you. Please only ever use the support contacts from the official company website.

Cisco Computers... | Answered on Oct 21, 2019


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Cisco Computers... | Answered on Oct 20, 2019


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Cisco Computers... | Answered on Oct 19, 2019


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Cisco Computers... | Answered on Oct 19, 2019

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