Qlogic Storage Networking (Unified Fabric Pilot) Instalační příručka stáhnout pdf (Strana 54)

5–Validation Methods for DCB and FCoE

Validation Step 5—ETS Verification

5-24 51031-00 A

Figure 5-26 shows the relationship between FCoE, TCP, and pause frames.

Before the start of TCP traffic, server ingress is equal to the FCoE traffic. When

the TCP traffic starts, server ingress is the sum of the FCoE and TCP traffic. The

switch starts sending PFC pause requests to the storage when the TCP traffic

starts to slow the FCoE traffic going to the server.

Figure 5-26. Relationship Between FCoE, TCP Traffic, and Pause Frames

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Qlogic Storage Networking (Unified Fabric Pilot) Instalační příručka Strana 54