we have 4 Nexus 5548 in our datacenter and we want use "span function" on a 10Gbits source interface to a 10Gbits destination interface, but in your documentation "Cisco Nexus 5000 Series NX-OS System Management Configuration Guide, Release 5.1(3)N1(1)", we can read:
On the Nexus 5500 series, SPAN traffic is rate-limited to 1Gbps by default so the switchport monitor rate-limit 1G interface command is not supported. Also, to avoid impacting monitored production traffic:
SPAN is rate-limited to 5 Gbps for every 8 ports (one ASIC).
RX-SPAN is rate-limited to 0.71 Gbps per port when the RX-traffic on the port exceeds 5 Gbps.
My question: SPAN traffic is really limited at 1Gbps on these devices ? If yes, it's therefore not possible to capture correctly (via a SPAN interface) a traffic from a server connected on a 10Gb interface (with a traffic up to 5 Gbps) because one part of this traffic will be dropped, it's correct ?
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