Cisco Switching/Routing :: 4507 Went Into ROMmon

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-


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Cisco Switching/Routing :: How To Migrate From Fixed Router To Vlan Routing On 4507

Feb 16, 2012

Any "best practices" or recommendations on how to migrate from a fixed router (3745) to vlan routing on Catalyst 4507 switches in order to minimize the disruption to the network.

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Cisco Switching/Routing :: Cat 6506 Goes Into ROMmon

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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Cisco Switching/Routing :: 3560E - Can't Get Into ROMmon

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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Cisco Switching/Routing :: How To Enable Ssh On 4507

Feb 14, 2012

How do I enable SSH on 4507. I do not see "ip ssh ..." commands config#ip ssh   (I do not see "ip ssh " commnd)
Do i need to enable something else?
Cisco IOS Software, IOS-XE Software, Catalyst 4500 L3 Switch Software (cat4500e-UNIVERSAL-M), Version 03.02.00.SG RELEASE SOFTWARE (fc4)

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Cisco Switching/Routing :: 4507 - CPU Going At 50 To 60 Percent

Nov 19, 2012

I am having a Cisco 4507 switch. The CPU on the switch is running between 50% to 60% constantly. To troubleshoot I collected some logs using debugs & show commands.
debug platform packet all receive buffer
show platform cpu packet buffered
 debug platform packet all count
show platform cpu packet statistics
 show processes cpu sorted | exc 0.00
show platform health
show platform cpu packet statistics
show platform health output shows the below process crossing the target value.
%CPU   %CPU    RunTimeMax   Priority  Average %CPU  Total
Target Actual Target Actual   Fg   Bg 5Sec Min Hour  CPU 
Stub-JobEventSchedul  10.00  13.41     10     47  100  500   13  13   10  5462:52
K2PortMan Review       3.00   5.35     15     11  100  500    4   4    3  1799:47
What I need to know is, though these process are running in Low Priority, will there be any issue if the CPU goes high due to these process.

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Cisco Switching/Routing :: 4507 - BGP Routing Using An AS Number

Jun 13, 2012

Our organization currently has a Cisco 4507 acting as our core switch and 2 ASA525 firewalls.
Our existing ISP runs into our 4507. Here is the port config.
interface GigabitEthernet7/1
description ISP-DSL
switchport access vlan 10

We have recently purchased a 5Mbit line with a second ISP and will have the line activated tomorrow. In addition, we recently obtained our AS number through ARIN. How would I configure the second ISP to be used for load balancing/failover?

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Cisco Switching/Routing :: Cannot Get Out Of Rommon Mode 1760

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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Cisco Switching/Routing :: 6503 Sup-2T Unable To Get Into ROMmon

Apr 11, 2013

I have an issue with a customers 6503 with Sup-2T cards, where we are locked out of the console due to an authentication configuration error. So tried several times to get the card into rommon, with no success.
Checking through the various documents on CCO I dont find any reference to rommon on this card, but do find information on using the CMP to support the supervisor. I logged into the CMP but couldn't find a way from there to do a password reccovery either.So, is the `normal' IOS rommon/password recovery method supported.

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Cisco Switching/Routing :: 6509 Goes In ROMmon On Reboot

Jul 24, 2011

I am facing a problem with a cisco 6509 that goes into rommon every time i restart. If i give the command
rommon 1> boot
it will pick up the IOS on the sup-bootdisk: or bootdisk: and boots up but i dont understand why on reboot it wont pick up this IOS and boot itself and why do i have to write boot command everytime on rommon.
I have also explicitly given the command "boot system bootdisk:IOSNAME.bin" in the startup config file but still no luck.

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Cisco Switching/Routing :: ASA5505 Booting Into ROMmon?

Jul 3, 2012

An ASA 5505. Device boots to rommon #0> and stays there. The complete boot record follows:
Embedded BIOS Version 1.0(12)13 08/28/08 15:50:37.45
Low Memory: 632 KB
High Memory: 507 MB


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Cisco Switching/Routing :: 4507 Went To Romon During IOS Upgrade

Sep 10, 2012

4507 Went To Romon During IOS upgrade.

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Cisco Switching/Routing :: Does LAN Base IOS Support SSO In L2 4507?

Apr 26, 2012

We will deploy several 4507 with 2xsup7 as a L2 access switches for our office.Does LAN_Base IOS version support SSO or we need purchase IP_Base IOS (L3)?

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Cisco Switching/Routing :: Ssh Not Working On 4507 After Reload?

Nov 29, 2012

SSH has been enabled on our one and only 4507 switch for several months and working fine. A few weeks ago the switch had to be reloaded and when it was back online I couldn't SSH to it. When I connected via the console and typed "show ip ssh" it came back saying I needed to generate the keys.  Did that  and it starting working again.  The same switch had to turned off and on the other day due to a power down in the server room and when it came back the same thing happened again!!
The version of IOS is: cat4000-i5k91s-mz.122.20.EW

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Cisco Switching/Routing :: Logging Configuration On 4507?

Nov 8, 2012

Is there any option to configure cisco 4507 to genrate log alert when cpu utilization or port utilization reaches above certain percentage.

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Cisco Switching/Routing :: Port-Channel Between 4507

Nov 29, 2011

I need to configure a port channel between two sw 4507R. with port Giga, but those port are in different modules.
interface GigabitEthernet5/48
description **** Conexion Switch-2*****


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Cisco Switching/Routing :: 4507 FAN Sensor Error

May 13, 2013

I have 4507 switch and I got the error of fan sensor which is mention below [code] What the meaning of FAN Sensor both are Bad/off ?

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Cisco Switching/Routing :: 4507 - New Media Net QoS Design

Aug 25, 2012

QoS design problem that I have. I have a client that is deploying new 4507 series switches with SUP6Es. The client will be running lots of voice, streaming video, and video conferencing over the LAN and want to base QoS on Cisco Media net recommendations.
I need to design a new QoS policy with focus on the above media services with basic queuing for critical data services. I have read the Media net design guide and the suggested 12-class model will be too complex to start with but I have seen references to start with a 8-class model with the ability to easily migrate to 12-class in the future. The 8-class model meets all of our requirements but I need to understand how this will work with the 4507 queuing model? [URL]

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Cisco Switching/Routing :: Err-Discard On X2-10-GB-LRM 3750 And 4507

Jan 19, 2012

we have a core switch 4507RE at the data center and 2 departments that connect to it via 10Gig fiber using X2-LRM modules. Each department  has a 3 switch stack and both locations are identical w.r.t type and setup scenario.the stack comprises of  1 x 3750E and 2 x 3750G . uplink is from X2 port tengig3/0/1 from the 3750E switch.
All of a sudden dept B started facing problem , where the ping would break and throughput comes around 6 - 7 mbps   from that dept to the server behind the core switch.   we also noted CRC error on both sides preodically.
we replaced the multimode fiber patch cords, re did the splicing , which  stopped the CRC errors to since morning the uplink port on the 3750E (3/0/1) would suddenly be in "down" state    with (err-disabled) as the status  when i run sh int ten 3/0/1
and i can also see CRC errors and input errors on the same interface..   if i do shut / no shut .. the port is up and active again..    but this has happned 3 times today.the core swith side is still OK and no CRC / input / output  errors are seen..
now on the 3750E i have  swapped the 10gig module from 3/0/1 to 3/0/2 .  the port is still up but i can see 400 CRC and 500 Input errrors.the module is also OK as i had replaced it with dept 1's module.

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Cisco Switching/Routing :: 6509 Stuck In ROMmon Mode?

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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Cisco Switching/Routing :: 871 Not Enter ROMmon After Flash Upgrade

Dec 12, 2012

I tired to upgrade the flash memory on my 871. I have tired to send single break and removing the flash card to drop the 871 to rommon.  but no luck, all i get is the below error. I have try restart button on the back and get the same results. How to get the router into rommon mode so i can place the IOS on the flash ?

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Cisco Switching/Routing :: 6513 Switch Boot To ROMmon

May 9, 2012

i have a Cisco 6513 it is used one, i have tryed to boot it but it did not work, it alwayes go to rommon mode and i am not able to know what is the issue,
when it boot i get the below outpot from the switch.
System Bootstrap, Version 8.1(3)
Copyright (c) 1994-2004 by cisco Systems, Inc.
Testing lower main memory - data equals address


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Cisco Switching/Routing :: 6500 With SUP720 Recovery From ROMmon

Jan 24, 2007

if it is possible to recover a Cat 6500 that has no code on bootflash from ROMMON, and is it mandatory to have a compact flash card to do the recovery ? or can one use xmodem or TFTP ?

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Cisco Switching/Routing :: 6509 Upgrade To 12.2(33)SXI10 And ROMmon?

Dec 12, 2012

I have ROM MON version 12.2(17r)S2 and I am trying to determine if I need to chnage this to 12.2(17r)SX7. It does not appear I need to  with the upgrade to 12.2(33)SXI10. Is this correct?

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Cisco Switching/Routing :: 2400 - Unable To Get Into ROMmon Mode

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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Cisco Switching/Routing :: 7600 With Ws-sup750 Stuck In ROMmon

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)


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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Cisco Switching/Routing :: 4507- SNMP String Is Not Validating

Nov 14, 2011

For some unknown reason our NMS cannot validate SNMP string configured on catalyst switch 4507. SNMP version is 2c
snmp-server community Cisco RO
snmp-server community Cisco RW
snmp-server enable traps snmp authentication linkdown linkup coldstart warmstart
snmp-server enable traps entity
snmp-server enable traps envmon fan shutdown supply temperature status
snmp-server enable traps config
snmp-server enable traps hsrp
snmp-server enable traps syslog
There is Reach ability between NMS server and switch but snmp string is not validating. 

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Cisco Switching/Routing :: 4507 / Find Out Bandwidth Used On Interface?

Feb 7, 2012

Is there a way I can find out the amount of bandwidth i'm using on a particular interface on a 4507 cisco multi-layer switch? It is a gig port and I have it setup for monitoring (spanning) and I see packets being dropped in the "Total Output Drops" area. To me it looks like it must be exceeding the 1gig limit but I don't know a way to check to make sure. I also have the queueing strategy set to FIFO. 

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Cisco Switching/Routing :: 4507 Getting Error While Configuring A Switch

Nov 8, 2011

I have a 4507 cisco switch loaded with two sup-modules.. [code]

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Cisco Switching/Routing :: How To Enable Ssh On 4507 Distribution Switch

Jan 30, 2013

We have 4507 distribution switch in our network.I am trying to enable ssh in those switches but seems that ssh command is not supporting. IOS version - cat4500e-universal.SPA.03.03.00.SG.151-1.SG.bin

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Cisco Switching/Routing :: SSH Error With 4507 Edge Switch

Sep 4, 2012

i have a problem with a cisco cat. 4507 edge switch as when i have a login ssh session to the switch the supervisor engine restart and the redundant Sup. engine becomes the active and so on this problem mainly happen when i have multible SSH session to the switch and it happened very rarely with a single ssh login
the ios version i use is cat4500-entservicesk9-mz.122-54.SG which im using on all my edge switch and they are all working fine excpt this one

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Cisco Switching/Routing :: ASA 5510 / Getting 4507 R-E General Requirement?

Mar 8, 2013

I have Catalyst 4507 R-E with one supersor engine n 3 other modules.My question is related to routing of different networks through this switch.I already have certain routes configured which are going to my ISP thru Juniper firewall.( also have Cisco ASA 5510 which i want to use as a backup in case the first one goes down.

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Cisco Switching/Routing :: 4507 R-E With Sup 10GE Factory Reset

Jul 29, 2012

I have been trying to reset my Cisco 4507 R-E with sup 10GE engines, and I am not having any luck. I have followed the following document:
I have tried "wr erase" and "erase startup-config." I cannot delete the vlan.dat file either. I am using the command "erase cat4000_flash:vlan.dat" and its not working either. I have done these commands several times with no success. When asked if I want to save the config changes, I am answering with a "no" I have not tried to depress the small "reset" button on the front of the sup engines as I read that this just restarts the switch.

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