Table 26: Bottom Position Qinq And Topq Sap Dot1P Evaluation - Alcatel-Lucent 7750 SR Manual

Default
no match-qinq-dot1p - No filtering based on p-bits.
top or bottom must be specified to override the default QinQ dot1p behavior.
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

Table 26: Bottom Position QinQ and TopQ SAP Dot1P Evaluation

7750 SR OS Services Guide
Port / SAP Type
Null
Null
Dot1Q
Dot1Q
Dot1Q
QinQ / TopQ
QinQ / TopQ
QinQ / QinQ
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 / TopQ
parameter is specified, the bottom most PBits are used (if existing) to match any dot1p dot1p-
value entries. The following tables define the bottom position QinQ and TopQ SAP dot1p
evaluation and the default dot1p explicit marking actions.
Port / SAP Type
Null
Virtual Private Routed Network Services
Existing Packet Tags
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
Existing Packet Tags
None
PBits Used for Match
TopQ PBits
TopQ PBits
None
Dot1P PBits
Dot1Q PBits
TopQ PBits
TopQ PBits
BottomQ PBits
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
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