Cisco :: 2951 - Access Server Not Displaying ROMmon Mode Target Device
Sep 17, 2012
I'm configuring a console server for configuring remote devices. This is working well except for the fact that if a target device is in ROMMON mode, the console server refuses to displays the target device console. It does open the connection but the ROMMON prompt is not shown on the console server . This is essential for this device as we will need to use it to reset passwords remotely and thus need to be able to access ROMMON mode from the console server.
Parts used are a 2951 router and a HWIC-8A serial card. Posted my config below:
[code]
Current configuration : 4389 bytes
!
[Code].....
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Aug 7, 2012
I have a 512MB USB Flash device and was able to boot the IOS on the C2960 from it.After that i tried to Copy the IOS file from the USB to the system flash, but it could not find the USB Device.At plugging in the device the systems tells me: "Transfer type 2 not supported" I configured the USB device in NTFS and FAT both are able to boot with the ROMMON, but the normal system does not accept them and i know i can do the copy over a TFTP from my laptop, but it is strange that rommon accepts the usb device and the system does not?
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Oct 16, 2012
Today when we run one applcation to access a target server with IP address 10.2.2.13, the application cannot run through and appearing error message related networking.The target server has two network ports whereby another one with IP 10.2.2.14 is running OK with the same application. All these two connections are connected to the same Cisco switch 3750, after the switch then go to Cisco ASA firewall which has no access control rule for this 10.2.2.13 and its subnet, and then the firewall connect directly to the application server.We can ping, remote desktop access and telent port for the application to the target server by using 10.2.2.13.We swapped the cable connection of the ports from one another and try the application again, the IP with 10.2.2.13 is still fail and IP with 10.2.2.14 is OK.We then change the IP from 10.2.2.13 to 10.2.2.12 or 10.2.2.155, all are OK. We changed back to 10.2.2.13, it is failed again.The switch is in running real time production and so we cannot power cycle or reload the switch.
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Oct 21, 2012
I have one cisco 4507R+E.My question is if the IOS of the acive SUP crushed and the switch is running through it's second SUP then how to restore the IOS of the first SUP.Also how to access the ROMON mode of the crushed SUP when switch is running through second SUP.
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Nov 1, 2011
I have several AP's of 1131 AG used in autonomous mode. Recently one of them stops responding: i was not able to access web management or ping its NIC. I've tried with reseting device to default but no success, even more when i plug ethernet cable to AP port nothing happens even NIC led's are not blinking at all.
On CLI console i am seeing repeated constantly such entries:
*Mar 1 05:19:04.086: %LINK-3-UPDOWN: Interface BVI1, changed state to up
*Mar 1 05:19:05.086: %LINEPROTO-5-UPDOWN: Line protocol on Interface BVI1, changed state to up
[Code].....
( i have new firmware but how to upload it without this interface running ? )
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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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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, 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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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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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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Jun 4, 2013
Is it possible to use the mgmt port when in rommon mode? I use the Mgmt port when IOS is loaded and it works fine. I reboot the router, issue a break to put it in rommon and have set some variables but my Mgmt port never has link and I cannot ping it from the network. In rommon mode it looks like this:
PS1=rommon ! >
MCP_STARTUP_TRACEFLAGS=00000000:00000000
BOOT=bootflash:asr1000rp1-adventerprisek9.03.07.03.S.152-4.S3.bin,1;
IP_ADDRESS=10.71.50.101
IP_SUBNET_MASK=255.255.255.0
DEFAULT_GATEWAY=10.71.50.3
BSI=0
RANDOM_NUM=1133006948
RET_2_RTS=13:38:27 EDT Wed Jun 5 2013
RET_2_RCALTS=1370453907
?=0
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Feb 23, 2012
i try to recover cisco ASA 5505 IOS in Rommon mode but i have this message : [code]
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Feb 9, 2012
I have one problem in my Client end router cisco 1841.
Everyday we switch on the router it will automatically goes to ROMMON mode.
So i take remotly and check wheather the IOS is corrupted or not.
So i use the command dir flash: to check IOS is available or not. i found the IOS is there.But it is not boot from IOS.
So i use the coomand boot xxxx.bin to boot from IOS.and finally it booted.
They told to use the coomand confreg in the ROMMON mode.
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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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Oct 5, 2008
I am trying normal password recovery for (cisco routers) for IAD 2400 but iam unable to get in rommon mode ?
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Jun 7, 2012
I have a router Cisco 2800, but always is in Rommon, the message show is:
device does not contain a valid file system
dir: cannot open device "bootflash:"
rommon 8 > dir usbflash0:
Checksum failed on c1840-usbfslib-m
Expected checksum: 91d6, calculated checksum: 4527
open: file "c1840-usbfslib-m" not found
open(): Open Error = -1
loadprog: error - on file open
cannot load the monitor library "bootflash:%c1840-usbfslib-m"
from device: usbflash0dir: cannot open device "usbflash0:"
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Dec 12, 2012
I have a Catalyst 4506e that works fine but if reload, it boots in rommon mode. I can start it with a boot command, but by default, i must type a command. My config-register is 0x2102.
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Jan 24, 2012
I have a 3550 switch that was replaced at a remote site with no IOS. This is a switch not a router so tftpdnld does not work.
[Code]...
The problem is the switches interface never comes up so try to connect to the tftp server. I read on google it can't be done on a switch to copy from tftp to flash in rommon mode on a switch and to use XMODEM. My problem is I do not have access to it, I ssh into a 3640 which is an access server for all devices and that is how I have console to it, how to use XMODEM over ssh.
But I'm fairly certain that there has to be a way to just copy it from tftp? I have a 3550 local and when I put it in rommon mode it stops the port check at port, port 1 goes from green when you plug it in to off then port 2 changes to amber and the rest green. So just by the look of this I would believe tftp would work; you just need to use port 1.
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Jan 28, 2011
How can i Upgrade Catalyst 2960 switch software in Rommon mode (switch:)
Right now flash is empty.
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Nov 28, 2012
We have a cisco catalyst 6509 with Supervisor Engine . After power outage, the switch always start in Rommon mode. Configuration register is 0X2102, we want to it always start in normal mode. What should i do?
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May 10, 2012
I moved 1242 access point to my new buliding which i have 5508 wlc and 3500 acess point are working. i connected 1242 ap in network it got registered and download new ios and downlaoded the configuration and working fine. But i open the WLC tha 1242 ap are not visible in ap list.
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Feb 5, 2012
I have a Cisco 2951 Router on which I configured routes for Zone-Based Firewall. I have a FTP server inside my network and I have allowed hosts from the internet to connect to it through the router. They, are however not able to connect or they are connecting but they cannot transfer files. I checked the logs on the router and the error message is as follows:
%FW-6-DROP_PKT: Dropping tcp session xx.xx.xx.xx:21 xx.xx.xx.xx:21766 on zone-pair ccp-zp-out-in class FTPInbound due to Invalid Seq# with ip ident 0
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Jul 17, 2011
Is there any possibility to set linksys E4200 for support anonymous acces to ftp server in read and write mode ?
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Dec 21, 2011
I have configured my 2951 router to send logs to my Kiwi syslog server like below.
#logging 10.20.20.52
But I am not receiving any logs from my router, the same has configured on my asa5520 and its sending logs.
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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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Nov 9, 2012
I have blown the dust of my Cisco 1801 and looked the books out to put a decent router on my network now I am running my own server however I have hit a few bumps but totally stick now.
DHCP is disabled and I can't remember the sub net. Connected with the console cable but finding my admin password isn't accepted. Running the password recovery but unable to access ROMMON using special command > break. I should get this but the ATA monitor library just loads and I get stuck on the password screen.
*** System received an abort due to Break Key *** signal= 0x3, code= 0x500, context= 0x813ac158 PC = 0x802d0b60, Vector = 0x500, SP = 0x80006030 rommon 1 > #
From what I gather (still green behind the ears) the ROMMON command has been disabled. Any way to get into my Cisco or do I need to reload the IOS on the flash card?
Here is my event log/putty output
Event log
2012-11-09 19:59:47 Opening serial device COM6
2012-11-09 19:59:47 Configuring baud rate 9600
2012-11-09 19:59:47 Configuring 8 data bits
[code]......
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Feb 27, 2013
I have a Cisco 2951 Router and I am trying to set it up to use DHCP and for security purposes I need to use the "IP Access-Group in" command. The DHCP will not work when I have this command on the interface that I need to run it through, DHCP works fine when I do not have the "IP Access-Group in" command in the configuration. When I check the log after the failed DHCP attempt it shows up as denied, as if it's being blocked. The IOS I have is c2951-UNIVERSALK9-m 15.0 (1) M3. Conf Reg 0x2102.
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Nov 23, 2011
I was attempting to troubleshoot a logon problem with some machines, when it was finally revealed that there was a managed switch between the host and the target preventing this.
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getting a picture of all devices between a host and a target?
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Feb 8, 2012
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