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Cisco 2948G-GE-TX

Posted on 2013-11-13
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Last Modified: 2013-11-18
I just bought 2  Cisco 2948G-GE-TX When I boot them up I get status orange who I think is Switch disabled by software. But I have no idea how to enable it.
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Question by:soffcec
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Expert Comment

by:TimotiSt
ID: 39646378
Connect to the serial console with a laptop (with Putty or Teraterm) while you're booting up the switch; it might tell you straight away what's wrong. Please post the output so we can check it out.

Tamas
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Author Comment

by:soffcec
ID: 39646513
Well I have tried to connect the console port with 2 different type of serial cables (one standard Cisco cable)  and tried to use Putty (9600 baud), but nothing came when booting up. Tomorrow I will check the serial port, but it is USB to Serial converter.
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Expert Comment

by:TimotiSt
ID: 39648607
Putty usually works fine with USB serials, as long as Windows has the drivers (usually PL2303).
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Author Comment

by:soffcec
ID: 39649690
I have used Putty for many years  to connect to my other Cisco 3750 and Ruby and many other devices. It works well but not on my Cisco 2948G-GE-TX.
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by:TimotiSt
TimotiSt earned 500 total points
ID: 39649796
Sorry, suggestion was out of habit. In that case the console port might be dead.

From the troubleshooting guide:

If you observe orange or red LEDs on startup, wait until the system boots up completely before concluding that there is a problem. The system status LED on the supervisor will stay orange until bootup is complete, then turn green if bootup is successful. One cause of an orange sys-status LED is a fan failure.
Are the fans spinning up?

Just for clarification:
- The LEDs mentioned in the original post are the System LED?
- Both switches fail to produce any console output?
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Author Comment

by:soffcec
ID: 39654656
It is the Status Led who is orange
PSI Led is green
RPSU Led is off
Both fans speeds up
10/100 MGT ports lights up when connected to ethernet
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Accepted Solution

by:
TimotiSt earned 500 total points
ID: 39654691
It might be a dead mainboard/console port, I guess.
You could try to connect a laptop with Wireshart to the mgmt port while it's booting, see if you get any DHCP/NTP/anything packets from it.
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Author Comment

by:soffcec
ID: 39654798
I got some Broadcast response from Cisco-Li_e7:a8:1d and his MAC address 00:0c:41:e7:a8:1d
He did not ask for any DHCP
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Assisted Solution

by:TimotiSt
TimotiSt earned 500 total points
ID: 39656960
That's something; at least it's not completely dead.
Open up the chassis, see if everything is connected inside properly?
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Author Comment

by:soffcec
ID: 39657026
Everything looks fine inside. But what is strange is that both switches has the same MAC address.
There are some jumpers on the motherboard who says
ISP
JTAG1
NO BOOT
ERASE
ROM
 Are they of any use ?
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Expert Comment

by:TimotiSt
ID: 39657086
Not sure, can't find any docs on cisco.com.
Maybe the original owner did something like this:
https://supportforums.cisco.com/thread/2187456
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Author Comment

by:soffcec
ID: 39657155
Well I have red face now. Both my blue Cisco serial cables where broken.

I got this up and now I will try to help myself. If I stop again I will post'it here.

0:00.574677: Please set IPAddr variable
0:00.575261: Please set Netmask variable
0:00.575618: Please set Broadcast variable
0:00.575978: No gateway has been specified
0:00.576486: Network is not configured
WS-C2948G-GE-TX bootrom version 6.1(6), built on 2003.09.19 15:52:35
H/W Revisions:    Fin: 2    Ventral: 7    Board: 1
Supervisor MAC addresses: 00:18:18:36:40:80 through 00:18:18:36:40:bf (64 addresses)
Installed memory: 64 MB
Testing LEDs.... done!
rommon 1 >
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LVL 17

Assisted Solution

by:TimotiSt
TimotiSt earned 500 total points
ID: 39657627
No worries, frequently used cables do break from time to time...
Guess you'll need a CatOS image, otherwise it looks happy so far.
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Author Comment

by:soffcec
ID: 39657689
I think I need image - where can I get it ? I don't have purchase contract with Cisco.
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Author Comment

by:soffcec
ID: 39657805
Found CatOs and the switches are now up and running.
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