Switch Cisco 2960 experiencing boot loop issue

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Flo_300
Junior Member

08-16-2025, 10:25 AM

Set up the Cisco 2960 switch to support Packetfence but it’s looping during startup. The system displays an error each time it powers on and restarts repeatedly.

Flo_300

08-16-2025, 10:25 AM #1

Set up the Cisco 2960 switch to support Packetfence but it’s looping during startup. The system displays an error each time it powers on and restarts repeatedly.

GolDaM
Junior Member

08-16-2025, 09:38 PM

You would likely see an empty or missing directory listing for the flash partition.

GolDaM

08-16-2025, 09:38 PM #2

You would likely see an empty or missing directory listing for the flash partition.

CoconutSlayer
Member

208

08-19-2025, 02:44 AM

There isn't a standard key combination for entering ROMMON mode. You may need to consult the documentation or use a specific sequence provided by the system.

CoconutSlayer

08-19-2025, 02:44 AM #3

There isn't a standard key combination for entering ROMMON mode. You may need to consult the documentation or use a specific sequence provided by the system.

Athenita
Member

164

08-19-2025, 05:06 AM

The sequence to trigger the interrupt is Ctrl + B or Ctrl + X, and pressing it repeatedly when the message appears will initiate the interruption.

Athenita

08-19-2025, 05:06 AM #4

The sequence to trigger the interrupt is Ctrl + B or Ctrl + X, and pressing it repeatedly when the message appears will initiate the interruption.

PowerRanger22
Junior Member

08-19-2025, 04:21 PM

Sure, I understand. My instructor suggested you might need to update the firmware using ROMMON.

PowerRanger22

08-19-2025, 04:21 PM #5

Sure, I understand. My instructor suggested you might need to update the firmware using ROMMON.

ThorneusMC
Junior Member

08-21-2025, 06:22 PM

It's an interesting challenge. You can upload via serial, but try the TFTPDRL first—it's much quicker.

ThorneusMC

08-21-2025, 06:22 PM #6

It's an interesting challenge. You can upload via serial, but try the TFTPDRL first—it's much quicker.

DantehIsGay
Posting Freak

902

08-22-2025, 05:02 AM

I attempted to move the file via tftp but couldn't set up a port for connection, so I switched to using serial. I used the suggested version (c2960-lanbasek9-mz.122-55.SE12) for my device (cisco ws-c2960-24tc-s), but it didn't work. I also tried another version (c2960-lanlitek9-mz.150-2.SE4.bin), but again no success.

DantehIsGay

08-22-2025, 05:02 AM #7

Asiannicky
Junior Member

08-24-2025, 05:42 AM

Do you have any thoughts on why the versions meant for the switch aren't functioning as expected?

Asiannicky

08-24-2025, 05:42 AM #8

Do you have any thoughts on why the versions meant for the switch aren't functioning as expected?

BionicPandas
Member

08-24-2025, 07:38 AM

The system displays the same "Initializing flash:" message repeatedly during the reboot process.

BionicPandas

08-24-2025, 07:38 AM #9

The system displays the same "Initializing flash:" message repeatedly during the reboot process.

Aimone
Member

08-24-2025, 09:14 AM

#10

The results remained consistent; the switch attempted to boot from ROMMON to load the new image.

Aimone

08-24-2025, 09:14 AM #10

The results remained consistent; the switch attempted to boot from ROMMON to load the new image.

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