VC-Flex 10 and VC-FlexFabric Modues in same enclosure-stacking question

[chuckk281]

Steve had a Virtual Connect stacking question:

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Have an enclosure with VC Flex-10 modules in Bays 1 and 2 and VC-FF in 5 and 6. VC Management is on the VC-FF modules. There is no vertical stacking between modules 1 and 5 and 2 and 6. Is it supported to do vertical stacking connections between different types of VC modules? They are running FW 4.20

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Reply from Vincent:

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Are you sure VC management is on the VC-FF modules ? Normally VC Manager runs on the modules in the lower-numbered bays, in your case Flex-10 in bays 1 and 2, you don't get to choose.

Anyway, not only it is supported but it is mandatory to have vertical stacking links between all VC Ethernet modules in the domain, at least with VC firmware < 4.30. VCM 4.30 introduces the partial stacking feature.

Regards.

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And from Mark:

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A case where they built the Domain with 5/6 and installed 1/2 afterwards, because like you said you can’t choose 5/6, it defaults to lowest pair.

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Other comments?