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Intel 82599 in CentOS 7 - No suitable device found for this connection

Sometime because of unsupported SFP interface won't come up so solution is to create following file to allow unsupported SFP. create file /etc/modprobe.d/ixgbe.conf alias ens2f0 ixgbe alias ens2f1 ...
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CISCO WS-C4948-10GE SFP+?

You're asking about X2 Optics, which is what the c4948-10GE uses; so the ebay picture you listed is definitely one possible option for the 4948's optics. Whenever you build optical solutions, ...
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2 votes

SFP+ twinax cable compatibility

Actually there are serial ROMs in the cable ends that include a vendor ID. Some vendors check the ID and disable the ports if you use a cable from a vendor (read competitive source). All this so that ...
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