Cisco Switching/Routing :: 3750x Doesn't Boot After Upgrade To Version15

Apr 22, 2013

Due to a problem with POE+ i have tried to upgrade the IOS to Version15.0.2SE2,  from 12.2.58. unfortunatly the Switch doesn't boot up anymore. It starts to decompress and install the IOS 2 Times, after the Second try it displays "unable to boot" and the switch goes in Bootloader-mode. When i look at the version i See that bootloader is still the old version 12.2.58. It seems that the bootloader doesn't geht upgraded and that's why the Switch can't Boot the new Image.


Cisco Wireless :: After Upgrade WLC 4402 Doesn't Boot

Jun 10, 2013

I wanted to upgrade our three WLC 4402 from software version 5.0.148 to The upgrade on the first controller was working. Unfortunately he lost all the local management users and it's MAC filters, but restoring this was not the problem. After upgrading the second controller.... the device does not boot anymore! The alarm led is RED and I don't know what to do. The only way to get connected to the controller is via the console port. There I can see a "parse error" but I don't know if that is the problem. Please look at the "log" attached. I'm not sure if the red alarm led was there before upgrading the controller software because the device is located to another place. I'm really concerned about upgrading the third controller because it's the most important wlc.

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Cisco Switching/Routing :: 3750x - Aaa Authorization Doesn't Work In 15.0.1-SE

Aug 13, 2011

c3750e-universalk9-tar.150-1.SE on 3750x
username cisco privilege 15 secret cico
aaa new-model        
aaa authentication login default local

Console and telnet don't seem to auto authorize to level 15, I end up at level 1, I'm forced to use enable command.
Rolling back to c3750e-universalk9-mz.122-58.SE2 fixes it. Going back to c3750e-universalk9-tar.150-1.SE breaks it again.
is there some new behavior in cat 15 code (couldn't find it in config guide)? maybe a bug (couldn't find one)?

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Cisco Switching/Routing :: 7206VXR Boot Loader Image Upgrade

Jan 22, 2008

I am planning to upgrade BootLoader image of 7206VXR router due to booting issue. The router is not booting .But if I go to rommon and give boot it will boot.So I am upgarding my Boot Loader image. Now the Bootloader image and IOS image are exactly same.Can I upgarde the Bootloader image to latest version without upgarding IOS?

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Cisco Switching/Routing :: 3750X Switch Doesn't Load Image?

Oct 31, 2011

I've 3750X switch that isn't loading email. then I went to rommon mode and accidently for "format flash". after that I loaded 15.0 SE2 s/w on it using tftp server but it doesn't boot up with that image. flash had only .bin file after I loaded it from tftp server.
since it wasn't booting up, I did format flash again and thought to load image again from tftp server but now, it doesn't load image from tftp server.

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Cisco Switching/Routing :: Upgrade IOS On 3750X-48P-L From LAN Based To IP IOS

Apr 23, 2012

The 3750-12S-S comes with IP based IOS.  I know it is possible to upgrade the IOS on a 3750X-48P-L from LAN based to IP based IOS.  However, can the IOS on the 12-S be downgraded to the LAN based IOS?

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Cisco Switching/Routing :: 3750X-24T-S - Upgrade To IP Services?

Nov 9, 2012

C3750X-24T-S have IP base SW initialy. It is possible to upgrade IP services feature set? BGP routing is needed.

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Cisco Switching/Routing :: Rolling Stack Upgrade (RSU) With 3750X (IOS 15.0.1-SE3)?

Jun 17, 2012

Switch 2 has an interface configured in RSU Standby.Switch 3 has an interface configured in RSU active. The upgrading sequence is : Switch 2, Switch 1, Switch3.The aim of the test is to prove that there is no loss of IP connectivity throught the RSU process.During the RSU process, there are ping between all the computers.
IOS starting version : 15.0-1.SE3
IOS upgrading version (with OVERWRITE) : 15.0-1.SE3 (same version)
1rst step : Switch 2 reboot and come back master but isolated from original stack (switch 1 and 3)
2nd step : Switch 1 reboot, and come back with switch 2 into the upgrading stack.

Issue : at this step :

-  Switch 1 put its interface (IP up :

-  Switch 3 has not reboot and still has its interface (IP up

=> we have some OSPF adjencies and mac flapping issues : switch 1 and 3 are trying to mount there OSPF adjencies on the same IP. We loss our IP connectivity since step 3 is not over.
3rd step : Switch 3 reboot and come back up in the upgrading stack. The IP connectivity is back, and the RSU process is done.Is that a normal behaviour ?How can we avoid to loose IP connectivity during RSU process ?

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Cisco Switching/Routing :: 3750X Stack Upgrade Failure

Jan 24, 2013

IOS upgrade tried on the stack of 2XWS-C3750X-24T-S , Upgrade was tried to support WCCP on the platform. Current version is Cisco IOS Software, C3750E Software (C3750E-UNIVERSALK9-M), Version 12.2(58)SE1, Not able  find any IP Plus ios in the site ? Only available are IP base and Universal K9 , Tried upgrading to c3750e-universalk9-tar.122-58.SE2.tar by using stack upgrade method as per document [URL]
Upgrade fails with error :
%Error opening flash:update/info (No such file or directory)
ERROR: Image is not a valid IOS image archive.
Why current ios is not supporting WCCP , I hope it is there in the featureset. ( tried "sdm prefer routing" but no success) Does c3750e-universalk9-tar.122-58.SE2.tar will give me wccp support ? What is the issue with my upgrade and how do I do a successfull upgrade ?

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Cisco Switching/Routing :: Catalyst 3750X Upgrade Failed?

Jan 27, 2013

I try to updgrade a stack of two 3750X-48PS to the IOS 15.0-2
Same commande has the twelves others stack I have upgrade lately
archive download-sw /overwrite tftp://x.x.x.x/c3750e-universalk9-tar.150-2.SE.tar
archive download-sw /overwrite usbflash0:/3750/c3750e-universalk9-tar.150-2.SE.tar (much faster!)
At the end I have this message :
extracting c3750e-universalk9-mz.150-2.SE/info (511 bytes)
extracting c3750e-universalk9-mz.150-2.SE/c3750e-universalk9-mz.150-2.SE.bin (19842267 bytes)


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Cisco Switching/Routing :: Cannot Upgrade Servicemodule In Catalyst 3750X

Mar 25, 2013

I have upgraded my Catalyst 3750X-switches to software-version 15.0(2)SE2, but I cannot upgrade the 10G servicemodule to the same version. I use the archive download-sw command to load the c3kx-sm10g-tar.150-2.SE2.tar. The file is loaded to the switch, but when the process starts to transfer the file to the module it fails with the following messages:
Error 2: Unable to transfer image to FRU Modul on switch 1Error: Failed to update FRU Module image 
The modules is now running with in-compatible versions as shown below:
Switch# H/W Status (CPU/FPGA) CPU Link Version
1 OK 77C/71C ver-mismatch 03.00.41
2 OK 73C/73C ver-mismatch 03.00.41

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Cisco Switching/Routing :: 3750x / IOS Upgrade And License Level?

Oct 7, 2012

I have two 3750x in a stack  running c3750e-universalk9-mz.122-55.SE3.bin with License Level: ipservices?I am planning to upgrade to c3750e-universalk9-mz.122-58.SE2.bin will this keep my ipservices licence or revert back to IPbase

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Cisco Switching/Routing :: 3750X Rolling Stack Upgrade / Update

Mar 19, 2013

This feature doesn't work as advertised on the Release Notes and other documentation.  After 12 hrs of lab work and a tlwo day support call to TAC, they finally came back to me that:
  IOS Upgrade works well if you use the command force-reload, without force-reload, it won't work.  --"of course with this command the complete stack will go down and the purpose of RSU will not serve"   
Then they pointed me to a bug that I could not find in the bug tracker unless I searched by the bug ID number ??   CSCua78897
Unfortunately this bug has a closed status and is not slated to be fixed ? 

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Cisco Switching/Routing :: 3750X Stack Auto Vs Manual Upgrade

May 8, 2013

Are there issues with the auto upgrade feature for 3750X stacks, either historically or currently?
Some people prefer to upgrade switch stacks manually by disconnectiong the stack cables and uprading code on each switch. 
I've done the manual procedure in the past and have not tried the auto upgrade (I have the procedure for the auto upgrade).

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Cisco Switching/Routing :: 3750X 12-SFP IP Base - Upgrade To IP Services Image

Jan 23, 2013

How can I Upgrade a Cisco 3750X 12-SFP switch with IP Base to IP Services Image?

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Cisco WAN :: Upgrade From 871 To 891 Static Routing Doesn't Work

Jan 29, 2013

I have a 871W router that works fine.I have 5 static ip addres's and use 2 in a nat pool. One i have mapped staticlly here is the configuration and it works fine:
! No configuration change since last restart
version 15.1
no service pad
service tcp-keepalives-in


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Cisco Firewall :: WS-SVC-FWM-1-K9 Doesn't Boot

May 9, 2011

I'm having an issue, with an WS-SVC-FWM-1-K9.
The card doesn't boot properly, it tries to boot, but after a while the 6500 puts it in shutdown.
I've noticed that it has 2 RJ45 ports in the board, I've plugged my console cable, but i only get characters with the default serial configuration.
Any information about the port configurations? Is the port "PC Console" the correct one?

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Cisco Application :: NME-WAE-502-K9 Doesn't Want To Boot

Dec 16, 2012

I have added a new NME-WAE-502-K9 in one of our remote Cisco 2811 routers. This module doesn´t boot, and it seems to be in a loop trying to boot. [code]

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Cisco Switching/Routing :: ME3400 Boot Loader - Intervlan Routing

Sep 5, 2012

On cisco and am having some issues with intervlan routing. I have followed the vids and manuals but just can seem to get this working. I have the following network lab set up.
Vlan 10 =
Vlan 20 =
ME2400 firmware
ROM: Bootstrap program is ME340x boot loader
BOOTLDR: ME340x Boot Loader (ME340x-HBOOT-M) Version 12.2(35r)SE3, RELEASE SOFTWARE (fc1)

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Cisco WAN :: 3825 Failure - Doesn't Seem To Boot

Nov 13, 2011

I have a remote customer who is having issues with their 3825 router - since I can't be on site troubleshooting is difficult but so far all that seems to happen when the device is powered on is the "SYS PWR" light goes solid green, and no other lights come on.  Fans seem to be operating normally.  Console access doesn't appear to be working.

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Cisco Switching/Routing :: 3560x Won't Boot

May 23, 2012

I unpacked a new 3560x and went to put our standard code version on it c3560e-ipbasek9-mz.122-53.SE2.  Everything seemed to upgraded fine but it won't boot to a console prompt.  It seems like it loads the IOS image fine but can't get passed the Front-end Microcode IMG MGR: Programming device 0. [code]

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Cisco Switching/Routing :: Access Layer Switching With 2960 / 3560x / 3750x And 4506

Jan 17, 2013

My management has tasked me to give them a high level overview of the different switching we can choose for our new building.
This is what I know so far.4 Closets, each closet has 450 ports,One MDF room that is will contain one UCS Chassis and a Nimble iSCSI SAN.
I am working on the spreadsheet and it looks like this (Not totally filled):

2960s3560x3750x45064510Approx cost (Each, 48PORT, POE+, 10G uplink, Dual PS, IP BASE)
6K7K8K45K75KMax Capacity192432432192384Backplane speed206464520520ProLeast ExpensiveStackable to 9Stackable to 9ProDual PSDual PSDual PSDual PSDual PSProLayer 3 opt
Layer 3 optDual SupsDual SupsConExpensiveExpensiveConNo Dual PSConLayer 2 OnlyCannot stack more than 4 
For the MDF I would like to use 2 Nexus 5548's with FEX's, and the layer 3 daughter board.  For the IDF's I was thinking of two 4010's.

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Cisco Switching/Routing :: 3560x Or 3750x For Core Switching?

Mar 6, 2013

i cant find any difference in these two devices when i am trying to compare throughput.I need upgrade our new POP and there will be around 4900 MAC adresses in VLAN 150 and 130 MAC adresses in vlan 200.Uplink is 1 gig routed internet connection and there is 14 downlinks to separate villages.i found a few differences for eg stack interface on 3750x but i dont need it.  

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Cisco Switching/Routing :: 3750X Static Routing When Running LAN Base?

Dec 27, 2012

I have a stack of 2 x 3750X switches these are running 12.2(55)SE5. I needed to add some static IP routes and found that the ‘ip routing’ command is not supported. I came across a document that stated “On switches running the LAN base feature, static routing on VLANs is supported only with Cisco IOS Release 12.2(58)SE and later.” So I have upgraded to 12.2(58)SE2, but ‘ip routing’ is still not a valid command.
The release notes state:“On the Cisco Catalyst 3560-X and 3750-X Series, it adds support for 16 static IPv4 routes in the LAN Base image.”
I have read other posts that talk about running the ‘sdm prefer routing’ command which I have done, but I am still unable to add any routes or run the ‘ip routing’ command.

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Cisco Switching/Routing :: Moving Routing From Perimeter Router To 3750x?

Dec 9, 2012

I have an 1811 with several subnets connected to it.I recently installed a 3750x plant and want to bring my interior routing back to it.
All the routing is handled by the 1811 via secondary interfaces on vlan1?
I have 192 ports, and subnets show up on almost all of them.  None of the ports are assigned to any specific vlans.  Most ports have several subnets on them.
What is the best approach to getting the 3750x to handle the routing?

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Cisco Switching/Routing :: Cannot Boot IOS On Switch 4948

Jul 14, 2012

I cannot boot IOS, when i reload this switch it go to ROMMON. I try to uploand IOS but it still has problem. i think i may wrong some point during i did uploand.
This is problem
Switch#sh bootvar
BOOT variable = cat4500-entservicesk9-mz.150-2.SG3.bin,1;bootflash:cat4500-entservicesk9-mz.150-2.SG3.bin,1;bootflash:cat4500-entservicesk9-


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Cisco Switching/Routing :: 6506-E Switch Always Boot With Old IOS

May 4, 2012

I tried to upgrade IOS from SXI2a to SXI9 in cat 6506 VSS. But the problem is that switch always boot with old IOS. I put the new IOS in sup-bootdisk and slave sup-bootdisk, bootvar is ok with new IOS: [code] Show bootvar  is ok but switch always boot with old IOS SXI2a, some bug in IOS sxi2a???, I will try to delete de old IOS from sup bootdisk and try with the new one only.

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Cisco Switching/Routing :: Catalyst 3750 Won't Boot

Apr 9, 2013

my Catalyst 3750 switch. Following a power cut the switch no longer boots up. The SYST light flashed green but no POST checks are made. I cannot see any boot messages from the console port either. The switch was on a UPS but some thing may have damaged the switch.

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Cisco Switching/Routing :: 871 Would Router Boot Seeing 52MB

May 30, 2012

What would happen if I installed a 32MB (MEM870-32F=) flash upgrade card in to a Cisco 871 router that already had 28MB flash on-board already? Would the router boot seeing 52MB (the max this router can have) or would it fail completely since the combined total would be over 52MB?
I know you can get a 24MB upgrade card but they are quite expensive.

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Cisco Switching/Routing :: 2801 Cannot Boot IOS From TFTP

Aug 27, 2012

i want to boot my Router's IOS from TFTP server but when I use the command: boot system tftp c2801-adventerprisek9_ivs-mz.124-24.T7.bin 172.16.10. 200; after that I write-mem, it shows the log:

-Building configuration...
-ROMMON: out of room in table, cannot set "BOOT"
And when I reload the router, it cannot boot IOS from TFTP Server, sure my TFTP work well and 2801 can ping to TFTP.

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Linksys Cable / DSL :: WAG160N Router Doesn't Appear To Boot

Jan 28, 2013

Last night we had some pretty bad lightning and thunder and our Linksys WAG160N appears to have had a bit of a fright.As I was going round unplugging items in case of a hit (this was after a flash or two, relatively nearby), all the lights on the router were off except for the ethernet light (plugged into a Linksys homeplug adaptor). Now the router doesn't appear to boot. When powered on, the power light doesn't flash or anything to indicate booting up, all you get is the ethernet light (if connected) after a few seconds, but no activity. I'm presuming something has been fried or corrupted? I'm not sure if we did have a power spike either through the mains or phone line as all other equipment seems to be fine, but I'm wondering the the homeplug connection might of had something to do with it after reading a few posts from others on the subject.I've held in the reset button while starting and it doesn't appear to have done anything. I will try the 30/30/30 reset tonight.

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Cisco Switching/Routing :: InterVLAN Routing On Switch 3750X?

May 22, 2013

my company pay a switch 3750 X. WS-C3750X-24T-E. It uses IP services basically but I failed to configure InterVLAN routing. why interVLAN routing doesn't work on my switch?

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Cisco WAN :: C2960 Boot Image After Ios Upgrade

Dec 30, 2011

i upgrade the IOS for switch c2960 and the swtich do not boot from the new image.

-show version
-show boot
-show flash

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Cisco Switching/Routing :: SVR3500 / Unable To Get Boot File Into The GUI

Oct 22, 2012

I can see the boot file at  but I can never get into the GUI. The unit boots up, fans running. Eventually the power light flashes red. I don't have the unit hooked up to anything else except a laptop to try and configure it.

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Cisco Switching/Routing :: Catalyst 6500 Boot Process?

Mar 19, 2013

document which explians normal booting sequence in a 6500 Switch running IOS. What I am looking for is in which order the image is loaded in SUP, RP, SP etc

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Cisco Switching/Routing :: 4500 Can't Find A Boot File

Jan 6, 2013

I have a 4503-E on my work bench.  It's been out of production for a year or so.  I started working on it last week.  I think I may have cause a boot up problem.  It comes up to ROMMON, but then I need to type "boot" to get it to come up all the way.                    
config-register = 0x2102Autobooting using BOOT variable specified file.....
Could not find a valid file in BOOT environment variable.BOOT variable can be set from IOS. To find currently setRom Monitor variables, please type 'set' command.
For choosing a boot method,  type 'confreg' command. rommon 1 >
For choosing a boot method,  type 'confreg' command.rommon 1 >
At this point I type "boot" and it proceeds to the normal bootup.  (Below are a couple more print outs)
RG-4503#RG-4503#dir /allDirectory of bootflash:/
1  -rwx    12185732  Feb 21 2008 08:23:59 -06:00   [cat4500-ipbase-mz.122-31.SGA3.bin]    2  -rwx    14787732  May 21 2008 01:00:30 -06:00  cat4500-ipbasek9-mz.122-44.SG.bin    3  -rw-        7315      Dec 31 2012 07:13:15 -06:00  ***
61341696 bytes total (34360532 bytes free)RG-4503#RG-4503#RG-4503#show run | include bootboot-start-markerboot-end-markerRG-4503#

It looks like there is nothing between boot-start and boot-end. 

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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 Not Booting Neither From Boot Disk

Jul 23, 2012

One of the 6500 was going in bootrom mode,  so I have formated the flash disk using the other Cisco 6500 switch and copied IOS file to the  boot disk. But the 6500 booting failed.

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Cisco Switching/Routing :: SUP720 - Unable To Boot From Disk0

May 26, 2012

Customer is using SUP720 with SP rommon image version 8.1(3), he is trying to boot the new ios image from disk0, but he gets invalid magic error. he fomat the disk0 but still he gets error when he boots from disk0. He suspect that it can't be flash problem but can be software of hardware as he has two flash with same issue on 2 switches.
Customer wanted to recreate, I tried in the lab, i was able to load from disk0, but sup in lab had 8.5(4).
Customer wanted me try with 8.1(3) version. But i was unable to downgrade the SP Rommon image. SP rommon is running in Gold region and I loaded the 8.1(3) from both disk0 and sup-bootdisk, even preferrence was given to region1 but still sup came up with gold region itself.

* Will i be able to downgrade from 8.5(4) to 8.1(3), if so, what are the steps.

* is there any limitation or bug where  8.1(3) will be unable to read disk0.

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Cisco Switching/Routing :: 6503 E Series Boot Image

Dec 14, 2012

I have a cisco 6503 - e series switch which runs c6sup22-psv-mz.121-26.E4.bin. Both superviser engine and MSFC2 card run the same IOS image i guess. In my boot flash their is another image c6msfc2-jsv-mz.121-4.E1. o what is the difference between these images c6msfc2-jsv-mz.121-4.E1 and  c6msfc-boot-mz.121-4.E1.

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Cisco Switching/Routing :: IE3000 Sw Cannot Load Boot Image

May 13, 2013

I'm having difficult getting this switch to boot from flash. I do not understand why it is trying to load "b1" from "bs1" instead of something from flash. [code]

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Cisco Switching/Routing :: Hang During Boot Of WS-C4948-S Switch

Apr 3, 2013

I encountered an issue while trying to boot Catalys WS-C4948-S switch. I power on the switch and I'm able to see the boot messages thourgh serial console cable. But it gets stuck at line "Image text-base: 0x1000000, data-base: ..... ". Also I can enter into rommon mode. I tried to use different kinds of IOS images, tried to boot from tftp but with no luck, the issue is the same.
There are no erros on the screen, it just gets stuck when it enters into IOS, so I don't see the IOS prompt.

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Cisco Switching/Routing :: WS-C6509-E - Possible To Boot IOS From TFTP Server

Oct 21, 2012

I have been looking at grading the IOS version on our 6509-E however there is not enough space on disk:0 to upgrade to the version I need to install. The question I would like to ask is - is it possible to boot the IOS from a TFTP server? If this is possible what configuration do I need on the 6509 to enable this. How does the 6509 know about the TFTP server as an IOS is not installed and therefore it will not have a network configuration

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