Alcatel-Lucent 7705 - Table 22: Ingress SAP Tagging Rules

Ethernet VLL (Epipe) Services
Page 164 7705 SAR OS Services Guide
Tagging Rules
Table 22 and Table 23 show the general tagging rules for combinations of interface port type
(null or dot1q) and Epipe type (Ethernet or VLAN) for SAP ingress and SAP egress
directions.
An attachment circuit (ingress or egress) can be configured for one of the following
encapsulation types:
•null
•dot1q
•QinQ
Note: The QinQ mode is not supported in Release 3.0 of the 7705 SAR.
Table 22: Ingress SAP Tagging Rules
Ingress SAP Type
(1)
VC Type (Epipe)
Raw (Ethernet) Tagged (VLAN)
Null No operation Push (VC tag)
Dot1q Pop (outer tag) Pop (outer tag)
Push (VC tag)
(2)
Notes:
1. Ingress SAP type is configured at the port level.
2. If the VC tag is not set, then the original tag is preserved.