IOS image using TFTP

Hi all

I have several 2950,2960,3550,3750 Switch

they performed old IOS (I don't know the exact version, but I'm sure they don't support all the features and upgrade to the image of EI and newer)

so I saw two articles

http://www.Cisco.com/c/en/us/support/docs/switches/catalyst-2950-series-...

and

http://www.Cisco.com/c/en/us/TD/docs/switches/LAN/catalyst2960x/software...

-----------------------

so my question is to upgrade my ios to new version can I use two commands? and what is different between each CLI?

Command1:

first---> delete flash:

then:

Copy tftp flash:

IP:

name:

.....

order 2:

Archive Download-sw [directory] / crush/recharging tftp:[[//location]/directory]/image-name1.tar [image-name2.tar image image name3.tar - name4.tar]

So what is or what are the different between 2 commands above?

can I use two of them or not?

--------------------------------------------------

question 2:

How can I download the latest version of cisco layer 2 switch (2950, 2960) and layer 3 (3550,3750)?

How can I find out what are the different differ between the two IOS image?  only I need (* .bin) no CMS (* .tar)

Best wishes

Thank you very much

Hello

I'll give you the method that I use to upgrade the L2 or L3 switches:

1 install the new image of page Web of Cisco (cisco.com--> support--> DOWNLOAD), I advise you do not install the last being rather install the recommended. (It will have a star next to it)

2. check if the version that you have installed if it has bugs.

3. install a TFTP server on a computer that has access to an IP address on the switch (example: you can configure an IP address for management by using the command "Int Vlan")

4 - Check the Flash on the switch by using the command "show Flash" to make sure that you have enough space.

5 put the image in the folder root of the TFTP server on your computer.

6. question a copy SERVICE TFTP to make a backup of your configuration. (it is always good to do a backup)

7. issue a copy TFTP Flash to make the image to be copied on the FLASH of the switch.

8-do a "show run | "I boot" to see images of starting on the switch.

9. do 'no boot system XXXXX"to the old images essentially copy the output of the command in step 8 and just put none initially.

10. do 'boot system THENEWIMAGE.

11 - this step is not required but I highly recommend it, you can add the old image using 'boot system OLDIMAGE' he will place the old image as a secondary image just in case where for some reason any main image does not start.

12 save changes using "copy run start".

13 - reload

14. use the 'view version' to ensure that the new version is in place.

It is the process of upgrading the software on the switch. It will be useful.

Note: Make sure that you have console access to the switch before performing the upgrade, just in case something goes wrong.

Best regards

Tags: Cisco Network

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