02-18-2003 08:27 PM - edited 03-02-2019 05:11 AM
lab switch ios is gone after reload.
xmodem fixes the ios problem. But how
to prevent the ios from vanishing after reload?
Anyone experience this problem.?
( not the config) the ios.
bootflash:cat2948g-in-mz.120-18.W5.22b.bin
after reload we are in rommon>
any ideas?
02-19-2003 02:17 AM
There could be two reasons for switch going into ROMMON after reboot. Either the image is corrupted or the boot reg setting is incorrect. Please check the above ; it is impossible for the image to vanish out of the switch
02-25-2003 05:30 PM
after reload the switch enters rommon mode, and appears to be unable to load the ios. here is the message:
ROMMON: Cold Reset frame @0x00000000
ROMMON: Reading reset reason register
ROMMON: Valid NVRAM config
System Bootstrap, Version 12.0(7)W5(15a) RELEASE SOFTWARE
Copyright (c) 2000 by cisco Systems, Inc.
Reading monitor variables from NVRAM
ROMMON: Initializing exceptions
ROMMON: Initializing TLB
ROMMON: Initializing cache
ROMMON: Sizing and zeroing main memory ... 64 MBytes
ROMMON: Sizing non-volatile memory ... 128 KBytes
cat2948g platform with 65536 Kbytes of main memory
loadprog: error - on read during ELF program load
requested 3291460 (0x323944) bytes, got 20032 (0x4e40)
boot: cannot load "bootflash:"
*** now I have loaded a new ios with xmodem:
Router#dir
Directory of bootflash:/
1 -rw- 39420
Router#cd ?
bootflash: Directory name
null: Directory name
nvram: Directory name
system: Directory name
how do I prevent the switch from entering rommon mode after reboot? ***
I think the bootloader is having issues.
02-19-2003 05:46 AM
the problem could be a loss of stable power to the NVram in the switch. (bad backup battery) The 2948 should have a flash card port. save the image on it and change boot statment.
02-19-2003 11:54 AM
Did you lose the image or just ended up in the ROMMON..
WHen in the ROMMON, do dir bootflash: and "set"
and before rebooting, make sure do dir bootflash: and sh boot to make sure boot variables are correct ,,,,
02-19-2003 12:17 PM
You'll need to use TFTP to copy the file to bootflash after XMODEM recovery.
02-25-2003 05:36 PM
umm, maybe your right...but I don`t think so. After xmodem the file is loaded to bootflash. I think it has to do with the bootloader and possibly the config-reg.
here is some more info if you are curious:
after reload the switch enters rommon mode, and appears to be unable to load the ios. here is the message:
ROMMON: Cold Reset frame @0x00000000
ROMMON: Reading reset reason register
ROMMON: Valid NVRAM config
System Bootstrap, Version 12.0(7)W5(15a) RELEASE SOFTWARE
Copyright (c) 2000 by cisco Systems, Inc.
Reading monitor variables from NVRAM
ROMMON: Initializing exceptions
ROMMON: Initializing TLB
ROMMON: Initializing cache
ROMMON: Sizing and zeroing main memory ... 64 MBytes
ROMMON: Sizing non-volatile memory ... 128 KBytes
cat2948g platform with 65536 Kbytes of main memory
loadprog: error - on read during ELF program load
requested 3291460 (0x323944) bytes, got 20032 (0x4e40)
boot: cannot load "bootflash:"
*** now I have loaded a new ios with xmodem:
Router#dir
Directory of bootflash:/
1 -rw- 39420
Router#cd ?
bootflash: Directory name
null: Directory name
nvram: Directory name
system: Directory name
how do I prevent the switch from entering rommon mode after reboot? ***
I think the bootloader is having issues.
02-25-2003 05:41 PM
Can you try to TFTP the file and give it a shot? The correct file size for the image is 3310464 and the file size you have is way off
http://www.cisco.com/cgi-bin/tablebuild.pl/cat2948g-l3
Once the XMODEM is successful, delete the incomplete file and then TFTP the file(to avoid duplicate file names in the bootflash)
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