Table 24: Ethernet Vll Encapsulation Translation - Alcatel-Lucent 7705 Service Manual

Ethernet VLL (Epipe) Services
.
Note: When the SAP type is dot1q, the SAP VLAN tag always affects the ingress traffic,
regardless of the Ethernet VLL type (raw or tagged). Similarly, when the SAP type is dot1q,
untagged frames are dropped at the SAP ingress. That is, only the frames with an outer
VLAN tag that matches the SAP VLAN tag are forwarded. The exception to this occurs when
the VLAN tag = 0. When a SAP is configured with VLAN ID = 0, any untagged packets
received are processed.
Ingress / Attachment
Circuit (Ethernet)
Null (untagged Ethernet)
Payload
Payload.CV-i
Payload.CV-i.CV-x
Dot1q
Payload
Payload.CV-i
Payload.CV-i.CV-x
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Table 24: Ethernet VLL Encapsulation Translation

MPLS Network
Packet Format
(Payload).PW
(Payload).PV.PW
(Payload.CV-i).PW
(Payload.CV-i).PV.PW
(Payload.CV-i.CV-x).PW
(Payload.CV-i.CV-x).PV.PW
(Payload).PW
(Payload).PV.PW
(Payload).PW
(Payload).PV.PW
(Payload.CV-i).PW
(Payload.CV-i).PV.PW
Egress / Attachment Circuit
(Ethernet)
VC Type Encap Packet Format
Raw Null Payload
Tag Dot1q Payload.CV-e
Raw Null Payload.CV-i
Tag Dot1q Payload.CV-i.CV-e
Raw Null Payload.CV-i.CV-x
Tag Dot1q Payload.CV-i.CV-x.CV-e
Raw Null Payload
Tag Dot1q Payload.CV-e
Raw Null Payload
Tag Dot1q Payload.CV-e
Raw Null Payload.CV-i
Tag Dot1q Payload.CV-i.CV-e
7705 SAR OS Services Guide