Alcatel-Lucent 7705 - Table 24: Ethernet VLL Encapsulation Translation

Ethernet VLL (Epipe) Services
Page 166 7705 SAR OS Services Guide
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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.
Table 24: Ethernet VLL Encapsulation Translation
Ingress / Attachment
Circuit (Ethernet)
MPLS Network Egress / Attachment Circuit
(Ethernet)
Packet Format VC Type Encap Packet Format
Null (untagged Ethernet)
Payload (Payload).PW Raw Null Payload
(Payload).PV.PW Tag Dot1q Payload.CV-e
Payload.CV-i (Payload.CV-i).PW Raw Null Payload.CV-i
(Payload.CV-i).PV.PW Tag Dot1q Payload.CV-i.CV-e
Payload.CV-i.CV-x (Payload.CV-i.CV-x).PW Raw Null Payload.CV-i.CV-x
(Payload.CV-i.CV-x).PV.PW Tag Dot1q Payload.CV-i.CV-x.CV-e
Dot1q
Payload (Payload).PW Raw Null Payload
(Payload).PV.PW Tag Dot1q Payload.CV-e
Payload.CV-i (Payload).PW Raw Null Payload
(Payload).PV.PW Tag Dot1q Payload.CV-e
Payload.CV-i.CV-x (Payload.CV-i).PW Raw Null Payload.CV-i
(Payload.CV-i).PV.PW Tag Dot1q Payload.CV-i.CV-e