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09-23-2013 01:22 AM - edited 03-04-2019 09:06 PM
We have a hardware fault with one of our switches (WS-C3750G-24TS), this switch was part of a stack. The faulty switch was switch 2 in the stack.
We do have hardware support on the switch but we have been advised that WS-C3750G-24TS is EOL and we cannot get the same replacement model. Apparently the WS-C3750X-24T-S is considered its replacement but will this work in my stack to replace my switch 2 that is faulty, bearing in mind it is a different model and IOS version?
Below is the show version from my switch stack.
Switch Ports Model SW Version SW Image
------ ----- ----- ---------- ----------
1 28 WS-C3750G-24TS 12.2(35)SE5 C3750-IPBASE-M
3 12 WS-C3750G-12S 12.2(35)SE5 C3750-IPBASE-M
4 12 WS-C3750G-12S 12.2(35)SE5 C3750-IPBASE-M
* 5 12 WS-C3750G-12S 12.2(35)SE5 C3750-IPBASE-M
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09-23-2013 03:19 AM
You can stack an X series with the G series as long as the IOS is the same.
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09-23-2013 03:44 AM
Is it possible to downgrade the X series to IOS 12.2(35)SE5
Not possible. The "lowest" IOS version an "X" can go is 12.2(55)SE.
You will need to consider upgrading the IOS of the stack to this level.
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09-23-2013 01:33 AM
Hello,
If you have valid contract you still should be able to replace your switch to same model. Do you have SR opened?
Niko
Niko
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09-23-2013 03:07 AM
I contacted Cisco directly and they said we don't have a support contract on the device but it is under a hardware warranty until next year if it has a hardware fault but we had to contact the original supplier of the switch for a replacement.
We contacted the original supplier and they said they couldn't get the same model as it's end of life now and they could offer a credit note (although the exact amount is still to be confirmed).
I guess I would like to put a newer model in ideally but I don't think this would work with our stack due to IOS mismatch and I would guess it is a bad move to try and downgrade the newer switch to an older IOS. How do I tell if it would even be compatible with the other switches in the stack?
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09-23-2013 03:19 AM
You can stack an X series with the G series as long as the IOS is the same.
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09-23-2013 03:38 AM
Is it possible to downgrade the X series to IOS 12.2(35)SE5, so it's the same as the other switches. Or will the X series not work correctly with the older IOS version (as it probably didn't exist when this IOS was created).
The other switches are not under contract either so I guess that rules out upgrading them to a later IOS to match the version the X series comes with?
I guess the last option would be to buy support contracts on all the equipment and Cisco would then be able to assist me with the upgrade options/replacement. This is something we are looking at but will take a while for the costs to be approved and we need to get a replacement sorted before it will likely be signed off by the client.
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09-23-2013 03:44 AM
Is it possible to downgrade the X series to IOS 12.2(35)SE5
Not possible. The "lowest" IOS version an "X" can go is 12.2(55)SE.
You will need to consider upgrading the IOS of the stack to this level.
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09-23-2013 04:44 AM
Thanks for the ratings, Lee.
