Cisco Switching/Routing :: Cannot Upgrade 2960G Switch
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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Jun 11, 2013
I recently changed jobs and at the new location we are primarily running Catalyst 2960G series switches with the exception of one 3750. All of the switches are setup in a cluster with the 3750 being the cluster master. My question is what is the benefit of switch clustering? The entire network seems to be a bit over engineered for the our needs and I am hoping to scale it back a bit. For example, the the network was setup with VOIP QoS when there were no plans to even use VOIP. Also what procedures would I want to follow to disable the cluster to avoid any major outages? Assuming there is no real need for a cluster.
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Jun 7, 2012
I'm trying to decide what switch to use as a core for 500 users. I'm currently looking at either 2 x 3750X stacks or 2 x 4500s with dual SUPs and PSUs, both options will provide the number of switchports required without the need for additonal access layer swiches. Which switch option is best to go for here? All of our services will be located in our data centre which will be connected using 2 1000Mbps MPLS circuits. I wont need any advanced L3 features and we are not likley to scale over 450 users. Also is it ok to use the dual switch stacks or chassis to provide the collapsed core/access layer or is it best to have a dedicated core (using one of the above options with less switchports) and having a dedicated accesss layer using 2960Gs for example. Our structured cabling terminates in a single comms room so we wont need to distribute switches throughout the office.
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Oct 23, 2012
i had made a software upgarde on the switch 2960G series have no any passwords, when I fished the upgrade process after rebooting the device i found it need a UserPw to access device manager. i tried to use the default PW "cisco" but it dosen't work too.. after that i tried the password recovery process to rest the PW, but noway, but now i have addition problem, when i try the cmd orders "flash_init , load_helper , dir flash" to beginning the password recovery process it shows the following:
The system has been interrupted prior to initializing theflash filesystem. The following commands will initializethe flash filesystem, and finish loading the operatingsystem software:
flash_init boot
switch: flash_initInitializing Flash...flashfs[0]: 554 files, 19 directoriesflashfs[0]: 0 orphaned files, 0 orphaned directoriesflashfs[0]: Total bytes: 32514048flashfs[0]: Bytes used: 15540224flashfs[0]: Bytes available: 16973824flashfs[0]: flashfs fsck took 10 seconds....done Initializing Flash.
switch: load_helperUnknown cmd: load_helper
switch: load_helperUnknown cmd: load_helper
switch: load_helperUnknown cmd: load_helper
[code]....
After that the problem updated
because I tried to install the IOS by Xmodem to reload the missing flash file.After finsh the TAR file loading and reboot the switch.......the LEDs of mode and Giga ports are lighted amber and not blinking, i tried many times to follow the steps to connect the switch by the emulator and consol cable by holding mode button and connecting the power cable at same time the device does not work, the switch now still not blinking, now i try to read and understand how can i remove the corrupted files and install a new IOS for this switch?What shall i do.
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Oct 23, 2011
I have used all the ports on my 24 port 2960G and need to extend it with another 2960G. These switches do not have trunk ports so what is the best way to stack them and have all 5 vlans on both switches.Can I just use a port Channel trunk etherchannel ?
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Jun 20, 2012
I have a Cisco 2960G switch and one of the ports was configured with srr-queue bandwidth limit 90 - I need to remove this bandwidth limiting from this interface. [code]
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Dec 5, 2011
I have a requirement to monitor downstream data feed from a remote site and feed it to multiple destination devices for recording. The source data will be fed into a port on a Cisco 2960G switch then, using the monitor function, be forwarded to multiple interfaces. This works fine for normal Etherent II traffic. We tried a test using a device that generates IEEE 802.3 Raw packets ('type' field is used as a 'length' field) but found that while the traffic appeared to be accepted by the input port with no errors it was not forwarded to the destination ports, even when using the monitor function. I did try the 'encapsulation replicate' feature with no luck. It does not forward these packets even if I set all the ports into a common VLAN and let the switch just perform a normal switch function (non monitor).
if it is possible to get the IEEE 802.3 raw packets to pass through the switch and if it is, how to or what I need to do to make it work?
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Jul 4, 2012
I am unable to access a series of switches connected together through a management vlan. I receive the message "The server xx.xx.xx.xx at level_15_access requires a username and password." Entering the username and password fails and the same username and password message returns. I am able to ssh into the switch with the username and password that fails trying to access the switch with the browser.
How can I check the username and password for access with the browser?
I am trying to monitor switch performance. Is there a good way to monitor switch performance with the command line interface?
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Feb 11, 2013
I just got a Cisco 2960G 24-port gigabit switch so that our HP servers can have a Gigabit connection to the network. I moved 2 servers to it (HP Proliant DL380's) but they don't actually seem to be able to achieve even close to 1000Gbps. I ran same some LAN bandwidth tests and it was showing only around 200-300 Mbps between all of them. I also ran a network stress test utility, LAN Tornado, and it was showing packet loss as high as 60% when on gigabit, and only .07% when on 100Mbps.
-Both the NIC's and the switch ports are set to 1000/Full
-Currently using Cat5e cabling no more than 25Ft in length (I know Cat6 would be better but Cat5e is supposed to support Gigabit)
-All servers are on the same VLAN
Here are the port statistics when running just a stress test @ 10Mbps that had a 45% packet loss. What's odd though is when I set the servers and switches to 100Mbps, I get less than 1% packet loss.
GigabitEthernet1/0/16 is up, line protocol is up (connected)
Hardware is Gigabit Ethernet, address is 203a.07ff.7e90 (bia 203a.07ff.7e90)
MTU 9000 bytes, BW 1000000 Kbit/sec, DLY 10 usec,
[Code].....
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Jan 26, 2013
I have routing enabled, can build a static route, and go back and see it (sh ip route), but I don't know how to get the route right. I have one host (Host A) on Vlan 20 w/192.168.20.2/24 dg 192.168.20.11 (the vlan ip) and (Host B) on Vlan 30 w/192.168.30.2/24 dg 192.168.30.11 (the vlan ip). I can't ping them from any host man. I can ping the Vlans but not the host.
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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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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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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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Feb 3, 2013
one of our switches (WS-C2960G-24TC-L). When I try to turn on the lanbase-routing feature using sdm prefer lanbase-routing, it gives me an error (Unknown command). I tried "sdm prefer ?", and lanbase-routing wasn't there (only qos, default and dual IPv4 & IPv6). The switch is running on image C2960-LANBASEK9-M version 12.2(50)SE5.We have another switch (WS-C2960S-24TS-L), running on image C2960S-UNIVERSALK9-M version 12.2(55)SE5, and I can enable lanbase-routing feature. If I upgrade the WS-C2960G-24TC-L to version 12.2(55)SE5, will it be able to do inter-vlan routing? Or is the switch itself totally limited to VLAN configuration only?
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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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Jun 14, 2012
i have a cisco catalyst 2960g and for some reason out of the blue, some interfaces go down and then up. It started doing it after a power cycle.
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Dec 30, 2011
I have 2960G that in rommon status.I need that the switch work in 0x2102 (regular mode).I don't have a backup to configutratuio in my PC.I do wr before the switch go to rommon (startup config).What to do in order to the switch will be in 0x2102 (regular mode) with the same configuration( before the switch go to rommon)?
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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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Oct 24, 2011
I have got a catalyst cisco 2960G series switch and via this switch I want to creat serveral vlans. I am getting a dhcp IP from a router and I want to setup my own vlan networks.
I plugged in the Ethernet cable that came from the dhcp router to port 16 of the cisco switch and configured the ports 1,2 and 3 for vlan 1, 2 and 3
the dhcp router has given me this IP 192.168.10.158 defautl gateway is : 192.168.10.1
when I plug in a PC to port 1 or 2 of the cisco switch I still receiving the IP from range 192.168.10.* but not from the range that I configured for the vlan 1 or 2.
Below is my startup configuration:
no file verify auto
spanning-tree mode pvst
spanning-tree extend system-id
[code].....
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