Alcatel-Lucent 7750 SR Manual page 708

Virtual Private LAN Services
Parameters top — The top parameter is mutually exclusive to the bottom parameter. When the top parameter is
bottom — The bottom parameter is mutually exclusive to the top parameter. When the bottom
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specified, the top most PBits are used (if existing) to match any dot1p dot1p-value entries. The
following table defines the Dot1p evaluation behavior when the top parameter is specified.
Port / SAP Type
Null
Null
Null
Null
Null
Dot1Q
Dot1Q
Dot1Q
QinQ / TopQ
QinQ / TopQ
QinQ / QinQ
parameter is specified, the bottom most PBits are used (if existing) to match any dot1p dot1p-
value entries. The following table defines the Dot1p evaluation behavior when the bottom
parameter is specified.
Port / SAP Type
Null
Null
Null
Null
Null
Dot1Q
Dot1Q
Dot1Q
QinQ / TopQ
QinQ / TopQ
QinQ / QinQ
Existing Packet Tags
None
Dot1P (VLAN-ID 0)
Dot1Q
TopQ BottomQ
TopQ (No BottomQ)
None (Default SAP)
Dot1P (Default SAP VLAN-ID 0)
Dot1Q
TopQ
TopQ BottomQ
TopQ BottomQ
Existing Packet Tags
None
Dot1P (VLAN-ID 0)
Dot1Q
TopQ BottomQ
TopQ (No BottomQ)
None (Default SAP)
Dot1P (Default SAP VLAN-ID 0)
Dot1Q
TopQ
TopQ BottomQ
TopQ BottomQ
PBits Used for Match
None
Dot1P PBits
Dot1Q PBits
TopQ PBits
TopQ PBits
None
Dot1P PBits
Dot1Q PBits
TopQ PBits
TopQ PBits
TopQ PBits
PBits Used for Match
None
Dot1P PBits
Dot1Q PBits
BottomQ PBits
TopQ PBits
None
Dot1P PBits
Dot1Q PBits
TopQ PBits
BottomQ PBits
BottomQ PBits
7750 SR OS Services Guide