03-06-2013 11:31 PM - edited 03-07-2019 12:06 PM
Hi I have 3nos. of cisco 3750g as existing stack, as below
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 28 WS-C3750G-24TS-1U 12.2(53)SE C3750-IPSERVICES-M
2 28 WS-C3750G-24TS-1U 12.2(53)SE C3750-IPSERVICES-M
3 28 WS-C3750G-24PS 12.2(53)SE C3750-IPSERVICES-M
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 30 WS-C3750X-24 12.2(58)SE2 C3750E-UNIVERSALK9-M
Now, I wanted to add new cisco 3750x switch in existing stack
details as below,
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
* 1 30 WS-C3750X-24 12.2(58)SE2 C3750E-UNIVERSALK9-M
Can I stack my new switch c3750x with existing c3750g stack.
Thanks,
Arvind.
03-06-2013 11:59 PM
Hi Arvind,
Yes you can connect this switch to the existing stack.
1. It will work at 32Gbps - stackwise mode
2. Needs the same IOS for entire stack
3. running the same exact software and feature set on both
One thing to consider here is:
http://www.cisco.com/en/US/prod/collateral/switches/ps5718/ps6406/data_sheet_c78-584733.html
"
The Cisco Catalyst 3750-X Series Switches with LAN Base feature set can only stack with other Cisco Catalyst 3750-X Series LAN Base switches. A mixed stack of LAN Base switch with IP Base or IP Services features set is not supported."
Regards
Inayath
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03-07-2013 01:09 AM
hi Inayath,
Thanks for your reply,
When I try to change IOS in my new switch cisco 3750X switch which is C3750E-UNIVERSALK9-M with existing stack IOS is C3750-IPSERVICES-M gives me followin error,
'' Hardware is not compatible with firmware '' and new switch started resetting.
03-07-2013 02:21 AM
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The physical IOS images are different for the original 3750 series and the later E/X series. You want the same IOS version, but you'll need different images for your new 3750X vs. the existing 3750G stack.
03-07-2013 08:09 PM
HI Joseph,
Thanks for reply,
You mean I required same version i.e 12.2(53)SE of existing stack on new c3750X switch. The IOS of new switch 3750X may be different but should have the same version.
Correct me if I am wrong?
Thanks,
Arvind.
03-07-2013 08:12 PM
Hi Arvind,
You got it. This is been recorded on my previous update and also by joseph.
regards
Inayath.
03-07-2013 09:05 PM
hi,
Inayath ,
I am finding the IOS for new 3750X switch on cisco site i.e c3750e-universalk9-mz.122-53.SE2.bin , but it's version showing 12.2 (53) SE2 will it work.
I am not able to find the same version of IOS i.e.12.2 ( 53) SE
Thanks & Regards,
Arvind.
03-07-2013 09:15 PM
-> Yes the required 12.2(53)SE2 is not there for 3750X devices.
-> Probably you can use the version which you are seeing you should not face any issue.
->You can use mixed hardware and form the stack.
Stack any Cisco Catalyst 3750 switch in the same stack (hardware mixed stack)
Stack any Cisco IOS Software feature set in the same stack (software mixed stack)
It is always good that if you use same IOS feature set, but Switches can have mixed feature sets (altough they cannot have major software release mismatches)
If you have different image for two different switch, you need to upgrade the switches seperately.
Refer:
But recommended to have the same software version.
NOTE: IOS version 12.2(53)SE and later, which includes 12.2(53)SE2, is not a very good version. You may want to reconsider upgrading both to 12.2(55)SE6
HTH
Regards
Inayath
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