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QSFP+ and QSFP 28


Userlevel 6
Hello, all!

There is new switch X870 with QSFP28 ports.
Would it be normal working QSFP+ in this ports?

As I saw - wavelenght and formfactor the same.
Also Juniper have normal compatibility in such case.

Thank you!

2 replies

the 870 ports can be 100, 50, 25, 40, 10 gig. if they are configured for 40 or 4*10 then the regular qsfp+ cabling will work. so the part numbers for qsfp+ are correct as well for 40gig qsfp+ optics and twinax cables.
Userlevel 6
Hicks, Joe wrote:

the 870 ports can be 100, 50, 25, 40, 10 gig. if they are configured for 40 or 4*10 then the regular qsfp+ cabling will work. so the part numbers for qsfp+ are correct as well for 40gig qsfp+ optics and twinax cables.

Thank you, Joe!

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