S5720 iStack. Need optical 40GE OSFP module or enough DAC?

Created: Oct 27, 2016 19:27:38Latest reply: Dec 19, 2016 21:41:23 1452 2 0 0
  Rewarded Hi-coins: 0 (problem resolved)

Hello All,


I have two switch S5720-32P-EI-AC.
I need make iStack to implement redundancy backup.
Can i connect switches by DAC QSFP-40G-CU1M or need install optical QSFP modules and connect by optical cable?


Thanks, Aleksey

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who_knows     Created Oct 27, 2016 19:27:39 Helpful(0) Helpful(0)

Applicable modules and cables:
QSFP optical module (only QSFP-40G-SR4 and QSFP-40G-iSR4 supported)
1 m, 3 m, 5 m QSFP copper cables
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negoluiz     Created Dec 19, 2016 21:41:23 Helpful(0) Helpful(0)

I have some S5720-SI and have doubt about the Stack. I have only some 10G DAC cables. Is this enough ? TKs
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