VeEX RXT-6000e, User Manual

Page: 355 / 387

Set by the Priority Code Point (PCP), a 3-bit field referring to the IEEE 802.1p priority.
Indicates the frame priority level from 0 (lowest) to 7 (highest); used to prioritize different classes of traffic
(voice, video, data, etc.).
Type:
The following selections are possible:
8100 (IEEE 802.1Q tagged frame)
88a8 (IEEE 802.1ad Provider Bridging)
User Defined
Drop Eligible:
If enabled, a drop eligibility flag will be set.
IEEE 802.1Q VLAN Tag in an Ethernet Frame
Throughput Setup - VLAN Tag configuration (Layer 4)
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MPLS Tab (Layer 4 only):
MPLS label: Configurable in the range 16 through 1,048,575 (labels 0 to 15 are reserved).
Composed of 20 bits which allows for the creation of over one million labels.
CoS: Configurable in the range 0 to 6.
This field is three bits in length and maps directly to IP Precedence TOS bits to provide Class of Service (COS).
S-bit: Configurable 0 or 1.
The S field is one bit in length and is used for stacking labels. This is important as it is used to indicate the last label
RXT-6200_RXT6000e_Module_Manual Page 355 of 387