On these blades, ports 1,2,9,10,17,18,25 and 26 are listed as performance ports. What does this exactly mean? How are they different from the other ports on this blade and would these be used as ISL ports to a 2nd nexus 7010?
The meaning was that if only these particular (yellow marked 8 out of 32) ports are used they run with wire speed and without oversubscription.
If you use all 32 Ports at the front get a bandwidth of 320Gig and on the backplane only 80 Gig.
These ports are described in the Nexus 7000 Series NX-OS Interface Configuration Guide:
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