Implementation Requirements; Table 21: Classification To And (Re-)Marking From Phb; Figure 11: Dei Processing Ingress Into The Pe1 Sap - Alcatel-Lucent 7950 Quality Of Service Manual

Implementation Requirements

In the series product line, the classification to and (re-)marking from PHB (for example,
forwarding class, in/out of profile status) may be described in

Table 21: Classification to and (Re-)Marking from PHB

To/From
Customer / Access Network
(SAP)
Backbone Network (SDP / B-
SAP
Figure 11
for both ingress and egress directions (from a PE1 SAP perspective).
1
Access
Device
The following steps related to DEI are involved in the QoS processing as the packet moves from
left to right:
7950 XRS Quality of Service Guide
Classify Ingress Based on
dot1p [DE]
DSCP
ToS
IP criteria
MAC criteria
dot1p [DE]
DSCP
ToS
EXP
displays a simple example of the DEI processing steps for the IEEE 802.1ad Use Case
7x50 PE1
802.1 a/d
Access
2
(DE aware)
SAP Ingress

Figure 11: DEI Processing Ingress into the PE1 SAP

Service Egress and Ingress QoS Policies
PHB
FC {in|out}
FC {in|out}
FC {in|out}
FC {in|out}
FC {in|out}
FC {in|out}
FC {in|out}
FC {in|out}
FC {in|out}
MPLS
3
SDP Egress SDP Egress
Table 23.
Mark Egress To
dot1p [DE]
DSCP
ToS
IP criteria
MAC criteria
dot1p [DE]
DSCP
ToS
EXP
7x50 PE2
4 5
SAP Egress
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