Cisco WAN :: AS2511 Stuck In ROMmon?
Oct 1, 2011
Im trying to upgrade my IOS. It wasnt at ROMMON before but I thought I can upload the IOS on the xmodem so i did a
en
conf t
config 0x0
reset / reload
Now that I am in the ROMMON. If i type CONFREG to change the BAUD, nothing shows up. Usually it gives options but this time, nothing.
>confreg
>
So I tried to go back to the normal CLI
[Code].....
I turned on the router manually and turn it back on hoping that it will work but it brought me back to rommon.
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Nov 24, 2012
I do not have a cross over cable and have to use xmodem. I set the baud rate to 115200 and I can see everything fine. Using Tera Term when you send the file via xmodem it freezes and closes on packet #3 or about 384 bits. When simply clicking the send file button you get the error-
*** Reserved LVL 7 Interrupt ***
PC = 0xfff0bc98, Vector = 0x500, SP = 0x80004c4c
Not sure what to do from here. I have tried everything.Error you get when you boot the router:
System Bootstrap, Version 12.2(1r)XE1, RELEASE SOFTWARE (fc1)
TAC Support: [URL]
Copyright (c) 2001 by cisco Systems, Inc.
C1700 platform with 32768 Kbytes of main memory
loadprog: bad file magic number: 0x0
boot: cannot load "flash:"
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Sep 22, 2010
I've ended up in rommon mode on my new"old" RMA'ed ASA5505, and I'm stuck there, I'v tried to erase Disk0 and all that, and tftp'ed a new image into the box, but when booting I get the message :
INFO: Unable to read firewall mode from flash
WARNING: Unable to write firewall mode to flash, this is normal if flash is not formatted
Running Activation Key: 0x00000000 0x00000000 0x00000000 0x00000000 0x00000000
This activattion key is invalid, use default settings only
i2c_write_byte_w_suspend() error, slot = 0x0, device = 0x40, address = 26 byte count =1. Reason: I2C_UNPOPULATED_ERROR
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Dec 16, 2012
I have 6509 E. Actually what happen it last 3-4 times it reload its self and got stuck in rommon mode, i tried to boot it with boot by connecting a console cable on supervisor 720 2b. What and where is problem and why is stuck in rommon after reload.
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Apr 27, 2011
I have a 7600 with ws-sup750 and when it boots it displays these errors:
Cisco IOS Software, s72033_sp Software (s72033_sp-ADVIPSERVICESK9_WAN-M), Version 12.2(33)SXH2a, RELEASE SOFTWARE (fc2)Technical Support: [URL]
Firmware compiled 07-Apr-08 22:12 by integ Build [100]
00:00:05: %C6K_PLATFORM-0-UNKNOWN_CHASSIS: The chassis type is not known.(0x6003)
[Code]....
Then it got stuck in rommon, i tried using a 7200 pcmcia card (I downloaded the 7600 IOS there) but if i do from rommon boot disk0:
it complaints with :open: file "c7200-atafslib-m" not found so, it doesn't boot.
Anything I can do to be able to boot this device ?
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May 25, 2011
I have a AS2511 device connected to the console ports of two switches console. I needed to have a LAN connectivity to these switches from the AS2511 device. Can we use the RJ45 serial ports in the AS2511 to achieve this?
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Jun 11, 2012
I cleared the flash (disk0) on my ASA and now I'm unable to restore it with an IOS.
When I attempt to load it with an IOS, it appears to load just fine. It even proceeds to restart, but when it boots back up it displays the error "No images in / Error 15: File not found. unable to boot an image" and goes to ROMMON.
My computer's IP is 10.0.0.1. I'm assigning the ASA 10.0.0.254. The image filename is asa724-k8.bin. Here's the output of the environmental variables and the attempted loading of the IOS:
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Jan 13, 2011
I have a 3550 I can boot into rommon, when I type flash_init the switch freezes and shows a weird ASCII character?
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Nov 3, 2011
I'm having problem on my 1841 it won't boot. No response on console but the led lights seems to be normal.I tried removing the CF then turn it on again to see if the router will go to rommon but didn't happen. I did try using another pc thinking the com1 is faulty but still no response on console nor rommon not showing up.
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Oct 25, 2010
ASR 1004, has a image, which is on the harddrive, not bootflash and we have no boot commands in the configuration…We are running the ROMMON version ‘15_01rs’ The ASR boots into Rommon, as it cannot find a image (as expected), as the configuration has no boot commands.Trying to TFTP or getting an IOS back into bootflash is proving problematic.Follow all TFTP commands..
rommon 1 > IP_ADDRESS=10.1.1.1
rommon 2 > IP_SUBNET_MASK=255.255.255.0
rommon 3 > DEFAULT_GATEWAY=10.1.1.1
rommon 4 > TFTP_SERVER=10.1.1.2
rommon 5 > TFTP_FILE=asr1000rp1-adventerprisek9.03.01.01.S.150-1.S1.bin
[code]....
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Feb 16, 2012
I'm having a little trouble with a router I have got my hands on to practice for my CCNA.Im connected via serial>USB adapter and via XP HT on Win7. Router boots and I then break the boot sequence with ctrl-break. But then it does not go into ROMMON mode. It simply says this:
-System Bootstrap, Version 5.2(8a), RELEASE SOFTWARE
-Copyright (c) 1986-1995 by cisco Systems
-2500 processor with 2048 Kbytes of main memory
How I get it into ROMMON to reset the password on it.
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May 9, 2013
I have an 887VA-K9 which boots into ROMMON mode every time. It seems to have 3 tries at booting, then fails.
The entire console output from power-on is (blank lines removed):
System Bootstrap, Version 12.4(22r)YB5, RELEASE SOFTWARE (fc1)
Technical Support: [URL]
Copyright (c) 2009 by cisco Systems, Inc.
[Code].....
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Jun 23, 2012
I think that my rommon image has become corrupt as it will not take a new IOS image. I have tried several images that are within the recommended size and work with another 2620 with exactly the same specification also some commands that are available are not recognised when typed
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Nov 22, 2011
This question is about a Cisco 871, which has no bootable image in flash.The device is currently in rommon, and i am attempting to copy the correct .bin file over from usbflash0: but recieve the following error:unable to stat usbflash0:/: permission denied ?i get the same error if i try to boot from usb, or even try to view the directory.Config register is currently set to 0x2102? Typically in this scenario, i just boot from usb, and copy everything over in enable mode, but the lack of permission on this particular router has me stumped.
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Jan 10, 2011
I'm trying to upgrade the ASR 1002 we just purchased and am having some issues (this is a new device and is not in service). I first tried upgrading the ROMMON using the upgrade rom-monitor filename bootflash:asr1000-rommon.150-1r.S.pkg all command, but the upgrade didn't seem to work completely. When I do a sh platform I get the below output showing 15.0(1r)S: [code]
no valid BOOT image foundFinal autoboot attempt from default boot device...Rommon upgrade requestedMaximum upgrade attempts exceeded, continuing with old Rommon...
I've also tried upgrading the IOS, but that is not working either. I tried "boot system flash:asr1000rp1-advipservicesk9.03.02.00.S.151-1.S.bin" command, but that did not work. I made sure the image was good using the "verify" command and made sure to set "config-register 0x2102". After I do a wr me and reload the router I get the below errors. [code]
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Dec 21, 2012
Im trying to get into Rommon, Im reading thats the BREAK button, which im assuming obviously its the pause/break button on my keyboard, im pressing it till my finger turns blue a billion times and still no rommon noodles for me.
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Apr 24, 2012
When my ASA5505 starts it loads into rommon. I enter "boot" and everything boots fine. How do I make that load by default whenever it starts. Any correct command syntax to make that happen ?
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Jun 9, 2011
loading a new bin file onto a Cisco wirless access point ,the access point i have found is only in rommon stage
Access point model is : ap1231g-e-k9.
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Nov 29, 2012
I have a Cat6506. There were 2 Sup 720 in it for redundancy. They told me they had problems with this thing in the past needing to go out and reboot the machine. I need to go out periodically because it goes into ROMMON. I type boot and it comes back up. One time though neither one would reboot. I had to take a third one out there and reconfigure it. Now it is starting to do the same thing. One thing I did notice is they never connected it to an UPS. It is plugged strait into the wall with power going to two outlets. I am beginning to think there are spikes in the power occurring and this is sending it into ROMMON.
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Mar 4, 2012
we have 55 of the 1841 routers here, and one of them always boots to ROMMON from a very cold (down 1 hour or more) start. The image on all 55 is c1841-ipbasek9-mz.124-24.T4.bin. 32 MB Cisco brand flash. Here's what's been done thus far:In ROMMON changed to 0x2102. Then 'reset' and the image boots fine. Change config-reg to 0x2102. Save config. Reload and image boots fine again. Wait an hour or more and boots to ROMMON.Boot from ROMMON to USBflash0: Format the CF then copy over the bin file. Change to 0x2102 and save. Reload and image boots fine again. Wait an hour or more and boots to ROMMON.Swapped CF with another unit. Again, works fine to reload, but shut down and restart an hour or more later and boots to ROMMON. Format this CF and copy over image while on router. Image boots fine. Wait an hour or more and boots to ROMMON.In each case of very cold start the configuration register has reverted to 0x0 {why it boots to ROMMON}Tried dx mode with 0x8001. Nothing seen that is unusual to me, but I'm not an expert by any means.It doesn't seem to a CF card problem, but could be a connection to the CF card and then something behind that.
Here is the output of diagnostic boot mode:
Cisco 1841 (revision 7.0) with 116736K/14336K bytes of memory.
Processor board ID FTX1231W0JA
2 FastEthernet interfaces
2 Low-speed serial(sync/async) interfaces
DRAM configuration is 64 bits wide with parity disabled.
191K bytes of NVRAM.
[code].....
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Feb 4, 2012
I have recently bought a used 2600XM, I was trying to boot it, I get some errors and end up being the ROMMON mode:
ystem Bootstrap, Version 12.2(8r) [cmong 8r], RELEASE SOFTWARE (fc1)
Copyright (c) 2003 by cisco Systems, Inc.
C2600 platform with 262144 Kbytes of main memory
getdirent: bad file magic number, possibly out of sync
boot: cannot determine first file name on device "flash:"
[code]...
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Mar 19, 2011
On new 1841 Testing Router, I deleted the flash & did the reload. After reloading, instantly I entered into the Rommon mode. I have a backup of the flash in my TFTP Server, which is connected to the 1841 Router. how can I restore my flash file into my 1841 Router. I can not get myself out of Rommon mode. I also now even can not ping the TFTP Server as well. Do I have to configure in the Rommon mode ?
how to restore the flash image via TFTP Server on my 1841 Router.
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Apr 4, 2013
I have a customer that has an air-lap1142. He says that it boot to Rommon, and he has to issue the boot command to get it to boot. What is the rommon command to have the ap boot to the image automatically?
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Sep 7, 2011
I would like to upgrade rommon on my Cisco 2801 but this is what I get: [code]The router stops here and I am forced to power off and on again and the upgrade does not succeed.
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Mar 11, 2011
I am trying to configure a 1941, but the router boots into readonly rommon . after configuring the router and copy running config to startup config, on reboot, none of the changes are saved, and boots back into readonly rommon
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Jul 17, 2012
I have a lightweight AP that boots into RoMmon, if i hold the reset button in for 10 seconds or so it will boot into the IOS and download the config from the controller but never registers. then once i reboot it it goes back to Romon unless i hold in the button again.
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Feb 13, 2013
Cisco router 3945 when unpacked from the box and powered on , it was not able to find boot loader image and booted in ROMMON mode. tried to boot from the external flash and tftp but still not able to.
We replaced router chassis 2 times and both the times faced the same problem.
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Sep 2, 2010
I upgraded four 3560E, 12.2(44) to 12.2(55)SEThree 3560 works fine, the last one stops after 17-18 seconds with a solid green LED. I cant get into ROMmon, the switch doesn't boot up. its like "dead but still alive"
My TS:
1: Removed all SFPs.
2: Reset PSU and fan modules.
3: Replace PSU and fan modules.
4: Try to get into ROMmon.(pushing mode button and break seq.)
Startup LED:0-1 seconds: SYST: Amber RPS: Amber STAT: Green DUPLEX: Green SPEED: Green
1-17 seconds SYST: Blinking Green RPS: OFF STAT: OFF DUPLEX: OFF SPEED: OFF
18 s--> (only testet up to one hour) SYST: Solid Green RPS: OFF STAT: OFF DUPLEX: OFF SPEED: OFF
A working 3560EStartup LED information. If I compare a working switch with the faulty switch I can see about 18 seconds into bootingSYST change very fast from green to amber and continues with booting,this doesnt happened on the faulty switch (solid green 18 seconds). Pushing MODE button, doesn't get me in to ROMmon, this works for all the other switches.On a normal 3560 it takes around 40 seconds before I get in to ROMmon. With this faulty switch it stops after 18 seconds(solid green) and it doesnt respond.
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Sep 11, 2012
I have a rare case. switch 6500 make crash and go to rommon. when review the crash appear that the switch charge the configuration from nvram, but, at the ending there are a few line command, that make the switch go to crash.. then I have to booting from rommon and start again. I use the version 12.2.33.sxi9 and 12.2.sxi3 and the configregister is 0x2102
I think that the switch get the startup-config file from other file-system.
*Sep 1 03:42:42.352 Inviern: %SYS-5-CONFIG_I: Configured from memory by console
access-list 199 permit icmp host 10.10.10.10 host 20.20.20.20
crypto map NiStTeSt1 10 ipsec-manual
match address 199
set peer 20.20.20.20
exit
no access-list 199
no crypto map NiStTeSt1
*Sep 1 03:42:46.952 Inviern: %SYS-5-RESTART: System restarted.
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Apr 4, 2012
I upgrade to a Flash 32mbs memory stick, as I reboot the 2600 Cisco router, it appear in the ROMMON mode, nonetheless, I followed some wrong procedure by changing components on the ROMMON command line. however now the router reboot or start with symbol only V2V2v2a, and I can no longer enter the ROMMON Mode or key anything in. I have a copy of the IOS on my TFTP server.
[Code]....
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May 9, 2011
I have a ASA 5505 which stops pretty early in the boot sequence.
This is all that shows up,
CISCO SYSTEMS
Embedded BIOS Version 1.0(12)13 08/28/08 15:50:37.45
Low Memory: 632 KB
[Code].....
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Jun 4, 2012
Could not find a valid file in BOOT environment variable. BOOT variable can be set from IOS. To find currently setRom Monitor variables, type 'set' command.
Choosing a boot method, type 'confreg' command.rommon 1
>setPS1=rommon ! >RommonVer=15.0(1r)SG5SupportedFeatures=1ConsecPostPassedCnt=2DiagMonitorAction=NormalCONFIG_FILE=bootflash:cat4500e-
[Code].....
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Dec 10, 2011
I'm currently pursuing to take my CCNA and am currently studying for it, but have recently encountered a problem with one of my 1760 routers that I can not solve.Yesterday I went to boot up my router like normal, however when I went into hyperterminal I noticed the router was in Rommon mode. Thinking I could change the configuration registry, I tried to bypass the NVRAM by using confreg 0x2142. However this still causes the router to go into Rommon mode. I am getting an error that states that there is insufficient memory to load the IOS image. [code]
I have used the dir flash: command and can see the IOS image, and try to boot from it (boot flash:iosimagename) but it will still go back into rommon mode. I also just swapped the RAM from my other 1760 into this 1760 and it booted up and went into normal configuraiton mode without any issues. However, the other router now will not load it's IOS image and I get the exact same error.I'm at a loss here, and have searched to figure out where or how I can just wipe the router clean to try and start fresh, but cannot get out or Rommon mode. The only thing I can think of is that the RAM went bad since it wont boot up either machine.
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