Cisco Switching/Routing :: 2955 Switch Not Starting After IOS Upgrade?
Jan 21, 2013
I have installed Cisco 2955 Switch which already have x.x.x.x EA12 IOS and I copied x.x.x.x.EA13 into the flash: with intention to have EA13 enabled for IOS. I set the Global config for boot system by 'boot system (no falsh)x.x.EA13;x.x.EA12' but then also no luck and was showing EA12 in 'sh ver'. I then deleted the EA12 IOS and set the 'boot system flash:x.x.EA13'. I also had varified IOS EA13 by 'verify flash:IOS Filename', it verified the IOS.
But when I reloaded my switch, I'm unable to login and its in 'switch:' prompt (ROMmon mode - I believe). I then tried for flash_init, load_helper, dir flash: (showing me EA13 there) and finally boot flash:IOS Image file but no good news here... Output like this
Error loading "flash:IOS Image File EA13" Interrupt within 5 seconds to abort boot process. Error loading "flash:c2950-i6q4l2-mz.121-12c.EA1.bin"Interrupt within 5 seconds to abort boot process.
My guessing is that the IOS is corrupted (but its not showing me Error loading Image blabla...) I'm trying with EA14 of 4MB and I have 3 MB free spare and decided to remove EA13 first then through XModem try to upload EA14.
Any useful way and recommend me deleting EA13 and upgrading EA14... Also option to set boot image with having two IOS at the same time for permanent use.
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May 2, 2012
I'm on a Cisco 2955 switch and need to get ssh working which I have done on another 2955 (but don't have near me), what am I doing wrong?
2955-02-PJ-CamdT.LU#sh run Building configuration...
Current configuration : 4061 bytes!version 12.1no service padservice timestamps debug datetime msec [code]....
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Apr 15, 2012
I'm trying to allow 2 users to access as 2955 switch.
-admin privilege 15
-eousers privilege 2
When they both log in they just get to the user exec mode, how can I get them to go to their respective modes? [code]
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Nov 3, 2012
I have found that the Catalyst 2955 series switches do not use an external MODE button for getting a switch into the switch: prompt, but they use a break sequence like routers do to get into Rommon state URL
So I was wondering if there is a similar mecanism that applies to other kind of Catalyst switches, like 2960, 3560 or 3750.
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Apr 5, 2012
I'm been telnetting onto a 2955 and then upgraded the IOS and enabled ssh version 2 and then issues a "write", when I came back the exec-timeout had been issued and I was logged out of the router and now it is asking for a username and password and not just a password liek it did before enabling ssh. I havent yet put a username and password on yet, just the telnet.What would the username be if I havent set one?
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Apr 3, 2012
I'm about to configure radius on a 2960 and 2955 switch as I have been testing this on a 1841 router and to my dismay I can't see the options to configure radius, do these L2 switches not supoprt radius?
edit - apoligies I forgot the "aaa new-model" all ok now
Although when I added:
radius-server host 10.1.1.1 auth-port 1645 acct-port 1646 key 123456789
radius-server host 10.1.1.2 auth-port 1645 acct-port 1646 key 123456789
radius-server vsa send accountingradius-server vsa send authentication
I got this:
Warning: This CLI will be deprecated soon. Please move to radius server <name> CLI.
And what woudl the above look like if I configured it that way?
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Apr 27, 2012
I can't seem to send config changes to our syslog server on a 2950, I'm fine with 2960's and 3750's. The Cisco 2955 is using the latest IOS c2955-i6k2l2q4-mz.121-22.EA14.bin.
Here is what I have added:
logging buffered 64000 debugging
logging console informational
logging monitor informational
[Code].....
The only sylog message I get is "Configured from console by username on vty0 (10.1.1.35)
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Feb 6, 2012
I come across to use the Catalyst Switch 2955 and it has two Relay Connector with one Major (MAJ) and one Minor (MIN) as below picture.There is command line to trigger these two Relay Connectors. As below command to set the Relay Connector to minor for monitoring the power supply: alarm facility power-supply relay minor
1. My questions are when there is power-supply faulty, the Minor Relay Connctor (right picture) will be short-circuited, right?
2. If we connector the two ports (ports 4 & 5 at the left picture) with a normal cable to drive an Alram Bell (in short-circuiled or closed loop situation), do we need an external power supply to the Alram Bell? Or there will be power supply from Catalyst 2955 to the Alram Bell as well?
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Oct 25, 2011
I am having an issue with this device after setting the ip address and rebooting. I have tried renaming the config.text file without success. I have also tried the steps mentioned here: [URL]
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May 20, 2012
I need to only allow 5 Mac Addresses on a range of ports on a 2955 switch. If I do the following it only changes the first port in the range:
interface range fastEthernet 0/5 - 10
no spanning-tree portfastswitchport port-securityswitchport port-security maximum 5switchport port-security violation restrictswitchport port-security mac-address 00:1D:24:25:F7:AA
[Code].....
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Feb 5, 2012
One of my clients is using Cisco catalyst 2955 industrial switch.I am doing the configuration for them and come across one setting of FCS Error Hysterasis Threshold. I know FCS is Frame Check Sequence.
I do not understand is what is the meaning the setting of Hysteresis in term of percentage stand for what purpose?For example, the default is 10 percent. If I set the value to be lower 5% and what is the impact on that? Is this more stringent than default of 10% or less stringent than default of 10%?
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Jun 26, 2012
I have a few 24-port Cisco 2960G Switches (model WS-C2960G-24TC-L) that I upgraded to IOS Release 15.0(1)SE2 using the web interface. I am now trying to upgrade those switches with the new release, 15.0(1)SE3, however I seem unable to do it, I have tried this on two switches so far, both have been upgraded to SE2 just a couple months ago or so, and both of them will not accept the SE3 upgrade, basically, I can select the tar file in the web browser and click "Upgrade" but when I do the status never changes from "Loading the tar file to the switch". I have tried multiple times from multiple computers using many different web browsers, including IE6 which is listed as supported. I have let it go for as long as 1.5 hours but to no avail.I also had a few idential switches here that had never been upgarded to SE2, I have had no problems loading SE3 onto them using the same method so it would seem that the tar file I have downloaded is valid.
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Dec 11, 2012
We have a Cat2960-S Series PoE+ currently running 12.2(55) SE5 ios with SW image C2960S-UNIVERSALK9-M.We want to upgrade the ios to the lastest version but found there are 2 version: 12.2(53) SE2 and 15.0(1) SE.Which is the best & suitable for upgrade?
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Oct 31, 2012
I wanted to upload image having .tar extension in Cisco 3560 switch. What are the steps to upload.
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Apr 18, 2012
I was just curious about something with upgrading a 2960s stack.
To copy the image to the switches in the stack I use: Switch# archive download-sw tftp://x.x.x.x/filename
Does this also set the image as the boot image or do I still need to issue the boot system flash command?
can I just issue this command on the master switch and reload and the new config will be pushed to the rest of the switches?
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Feb 14, 2012
i am trying to upgrade the firmware in my C2960 switch to 15(1) SE2, and i get the error:Failed to execute the command archive download -sw /overwrite /http iosFile
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Feb 21, 2012
We have two 3560G-TS-E running 12.2(35)se2, configured as HSRP. Both are running ntp config "ntp peer 210.72.145.44" and it's pretty well that they get the correct time. Yesterday I upgraded the second device to IOS 12.2(58)se2 and ntp doesn't work now. I checked doc that 12.2(58)se2 runs ntp default version 4 so I change to "ntp peer 210.72.145.44 version 3" but still not work. I put here "show ntp" result for different IOS.
IOS 12.2(35)
SW01>show ntp status
Clock is synchronized, stratum 2, reference is 210.72.145.44
nominal freq is 119.2092 Hz, actual freq is 119.2022 Hz, precision is 2**18
reference time is D2EF12A5.2EB2DCB2 (15:07:17.182 GMT Wed Feb 22 2012)
clock offset is -4.6616 msec, root delay is 57.50 msec
[code]...
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Jun 4, 2013
I have a 3550 switch right now, and need to upgrade to a gigabit switch, so I'm looking at a 3560G-48. For some reason I purchased an EMI version of my 3550, but run the ipbase image...what I need to look for - is a 3560G-48-s good for what I need?
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Apr 23, 2013
I am looking few information on IOS up-gradation for the switch WS-C3750G-48TS-S . I loaded new Image on the flash and current flash and sh boot as below
Switch#sh flash
Directory of flash:/
2 -rwx 8859636 Mar 1 1993 00:08:14 +00:00 c3750-ipservicesk9-mz.122-37.SE.bin
3 -rwx 556 Mar 1 1993 00:02:38 +00:00 vlan.dat
4 drwx 64 Jan 9 2012 03:17:56 +00:00 crashinfo_ext
5 -rwx 5768 Apr 24 2013 04:25:28 +00:00 private-config.text
[code]...
1) I would like to set boot sytem parameter for the new IOS and secondary old IOS as well is below command works??? if IOS not coming up with new one 12.2.58 is it boots with old 12.2-35 ?
boot system flash:c3750-ipservicesk9-mz.122-58.SE2.bin;flash:c3750-ipbase-mz.122-35.SE5
2) If I set only boot system flash:c3750-ipservicesk9-mz.122-58 , if new image corrput swicth will check valid image and boot up with old image ?
3) If switch went to room1 switch mode and still I have valild running IOS c3750-ipservicesk9-mz.122-37.SE.bin at flash memory, how to restore with old image
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Jan 8, 2013
I am trying to upgrade my cisco WS 2960 24 TC-L switch with the IOS image c2960-lanbasek9-mz.122-55.SE6.bin and my existing IOS image is c2960-lanbasek9-mz.122-50.SE5.bin. when i am copying it to flash, it is getting copied but when i tried to boot it after entering command boot system c2960-lanbasek9-mz.122-55.SE6.bin , it gave me an error.
both flash dir and error are attahced herewith.
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Oct 4, 2012
I have upgraded my 3750X switch from
c3750e-universalk9-mz.122-53.SE3
c3750e-universalk9-mz.122-55.SE5.bin
later that by mistake i typed delete /force /recursive flash:now, I am unable to load new IOS error loading "flash:c3750e-universalk9-mz.122-55.SE5.bin" Interrupt within 5 seconds to abort boot process.Boot process failed...
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Dec 5, 2011
I have a cisco 1941 router. Stock standard vanilla hardware, no extras. Standard universal image. Data and Security not enabled.I would like to add a 4 gigabit port POE switch (EHWIC) module to the router..The 4 port POE switch module will be used to power and connect 2 x Areonet AP's for my home. I'm replacing a Apple Airport Extreeme and Express setup. I'll possibly later use the two remaining POE ports for security cameras.My question is, what extra hardware and or IOS version do I need for the POE swtich module to function on the 1941? [URL] I think this is the model I want EHWIC-4ESG-P #4 port 10/100/1000 Enhanced High-Speed WAN Interface Gigabit Ethernet switch with Power over Ethernet?
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Jul 31, 2012
I am trying to upgrade my 2960 edge switch through tftpd...i have configured vlan 1 with IP address 172.16.10.1 and tftpd as 172.16.10.2 I am trying to ping tftpd, but I couldn't, but when I try to ping vlan 1 from tftpd, i can?
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Nov 2, 2011
i am trying to upgrade the software of the core switch 4503e, i could not get the managemenet ip address up and running. what i did is the following :
interfave vlan 1
ip address 192.168.1.1 255.255.255.0
no shu
then my laptop ip address is 192.168.1.100 255.255.255.0?result pinging from CLI is request time out.is there any els command where i need to input ?
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Dec 8, 2012
I would like to check if it may be possible to hot-upgrade/swap the 4506E power supplies? Based on the configuration guide; I have summarized the steps as follows:
1. Switch has 2 existing power supplies to be upgraded
2. Remove right side/bay 2 power supply and install new power supply
3. At this point; the new power supply will be in err-disabled due to different power supplies on the switch
4. Remove the left side power supply and install new power supply
For item 4; during the removal of the old power supply in bay 1/left side and installation of the new power supply; I am wondering if the switch would lose power even though the new power supply is installed in bay 2?
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May 7, 2013
I want to upgrade IOS for my production core 3750 switch. Below is Show version/fash output. I have IOS image "c3750-ipservicesk9-mz.122-55.SE7", need to confirm below concerns:-
1-As this is stackable switch do i need to upgrade on all Switch..i can see there are 3 flash while doing show flash?
2-Is above IOS image support with my switch? do i able to enable ssh?
3-is flash memory is enough to succefully upgrade IOS?
4-Any other point which i should keep in mind before upgrading..any special feature which this IOS wont support.
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Jul 29, 2012
I performed an upgraded on a 4948 switch and for some reason the switch kept booting with the old IOS. I was not sure if I needed to change the boot sequence but I performed this upgrade on some of our other 4948's and no issues.I eventually deleted the older IOS version and left the latest version on and reloaded switch and now switch only boots in rommon.I managed to configure the ip info and tftp server ip etc and using the following command as suggested in the rommon help, but it keeps coming back saying 'file not found', when I have checked the file does exist in the tftp server and in the tftpboot folder.
See error message below:
[URL]
Tftp Session details are ....
Filename : /tftpboot/cat4500-ipbase-mz.122-54.SG1
IP Address : 10.250.100.39
Loading from TftpServer: 10.250.150.40
Tftp session failed: File not found
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May 9, 2012
I have a stack of 4 Cisco Switch 3750 (1 x WS-C3750G-24T, 2 x WS-C3750-48P and 1 x WS-C3750V2-48PS) and I want to do an firmware upgrade of this stack. Actually, all the 4 switches are at the firmware version 12.2(50) SE1 "IPBase" and I want to upgrade them to 12.2(55)SE5 IPBase. According to the release notes, all the switches in my stack are supported.
To upgrade the firmware, I use the command "archive download-sw /imageonly /overwrite tftp://IP_Address/c3750-ipbaselmk9-tar.122-55.SE5.tar" The firmware gets uploaded correctly but then I get the error message "There is insufficient space in flash: to install the required image. Clean up some old images, and try again."
When I do a "show flash", I see that the switch has 5650944 bytes free of 15998976 bytes.
How can i upgrade my switches? Is there an error in my command which I use? Do I need to add an other option?
The problem is, the switches are located in a branch office and there is no direct access to them. Everything must be done remotely.
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Mar 5, 2013
I upgrade the IOS of my switch 3560 from C3560-IPBASE-M), Version 12.2(25)SEB4, To C3560-IPBASEK9-M), Version 12.2(55)SE5 after that the utilizatio of the memory increase to 80% I attached the output of show memory statistics history
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Dec 29, 2011
I console into switch 1 (or router, it doesn't matter) and everything is fine. From that session I SSH to switch 2 (or router). The session on the second device has a noticable delay when I type.Next I SSH to switch 1, then SSH to switch 2 from that session. Everything works fine.Finally, I console to switch 1, and telnet to switch 2. There is no delay.So it appears the delay only occurs when I open an SSH session while consoled into a device. It didn't matter what switch 1 and switch 2 were - I had 3560Gs, 4900Ms and a 3845 router. There's no special configuration on the console or vty ports - when I do a "show line console" and "show line vty 0" the output is basically the same.
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Feb 2, 2013
I am planning to upgrade the current core switch(3750) to 6509 series switch. Since we have a production network running we have to plan for an online core switch upgrade.
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Jan 28, 2013
Is there any challenge to upgrade core switch 6500 series from Nexus 7009 which runs NxOS, because i have 3750X series switches connected at distribution and access layer in my network topology??
Is there any challenge if we place NxOS in core and IOS in distribution and Access layer??? how we are able to match sh run config in existing 6500 switch to Nexus 7009 NXOS?
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Apr 23, 2012
I need 10gigbit uplink for this switch. What are the other devices that i need order along with this device.And what is the diff between X2-10GB-LR= and CVR-X2-SFP.if i take CVR-X2-SFP, in future how can i upgrade from one gig to 10 gig?for current use i need 10gig support required. so what are all the other devices that i need to order.Fiber multimode and distance 15Mt only.
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