Stackwise 3750
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01-24-2013 08:54 AM - edited 03-07-2019 11:17 AM
Hi
We have a cisco stack with 5 ws-c3750-24p 12.2)55)SE3 c3750-ipbasek9-m switches. Can i add a switch to the stack that is the following model:
ws-c3750g-48ts 12.2(25)see3 c3750-ipbase-m
Thanks
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01-24-2013 09:12 AM
Yes you can. However - keep in mind that the IOS and feature-set will need to be upgraded to the same or a closer level on the 3750g-48ts in order for it to be successfully stacked with the 3750-24ps.
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01-24-2013 10:33 AM
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Unsure in your case. All 3750s support the stack physically, but there can be issues when IOS software is different (whether the different IOSs support the same major/minor stack version).
Generally, you always want to insure all stack members are running the same IOS version.
Ideally, they should also have the same feature set, but this isn't required. If all stack members don't have the same feature set, if the stack master fails you may lose IOS features. E.g. stack master has Service image and full OSPF routing is being used, all other stack members have Base image, stack master fails you lose OSPF routing. (For last, if just one other stack member also had Service image, by default, it should win stack election and OSPF routing would be maintained.)
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01-25-2013 02:25 AM
Great thanks for the replys. I will upgrade the IOS to the same level and test.
