Enterasys 5G1XX Guia do Utilizador descarregar pdf (Página 138)

C-2 Class of Service

Properly configured, the Class of Service mechanism assures that during congestion, the highest

priority data does not get delayed by normal priority traffic. The tagged header in the frame

governs individual frame priority.

Figure C-1 shows priority queuing operating within a switch. Frames entering the switch through

ports 1 and 4 are tagged as normal traffic and placed in a normal priority queue on the outbound

port. Frames entering through ports 2 and 5 are tagged as high priority traffic and placed in a high

priority queue on the outbound port. Priority queuing can be configured using the console interface

or via SNMP.

Figure C-1 Class of Service Example

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Enterasys 5G1XX Guia do Utilizador Página 138