Alcatel-Lucent 7750 SR OS Service Manual page 1019

Table 4: Default Dot1P Explicit Marking Actions (Continued)
Table 5: QinQ Mark Top Only Explicit Marking Actions
The QinQ and TopQ SAP PBit marking follows the default behavior devined in
mark-top-only is not specified.
The dot1p dot1p-value command must be configured without the qinq-mark-top-only parameter to
remove the TopQ PBits only marking restriction.
7750 SR OS Services Guide
Egress SAP
Type
Dot1Q Preserved Dot1P bits
TopQ No preserved Dot1P bits
TopQ Preserved Dot1P bits (used as TopQ
and BottomQ PBits)
QinQ No preserved Dot1P bits
QinQ Preserved Dot1P bits (used as TopQ
and BottomQ PBits)
Egress SAP
Type
Null No preserved Dot1P bits
Null Preserved Dot1P bits
Dot1Q No preserved Dot1P bits
Dot1Q Preserved Dot1P bits
TopQ No preserved Dot1P bits
TopQ Preserved Dot1P bits (used as TopQ
and BottomQ PBits)
QinQ No preserved Dot1P bits
QinQ Preserved Dot1P bits (used as TopQ
and BottomQ PBits)
Virtual Private Routed Network Services
Ingress Packet Preserved
Dot1P State
Ingress Packet Preserved
Dot1P State
Marked (or Remarked) PBits
Preserved tag PBits remarked
using dot1p-value
TopQ PBits marked using dot1p-
value
TopQ PBits marked using dot1p-
value, BottomQ PBits preserved
TopQ PBits and BottomQ PBits
marked using dot1p-value
TopQ PBits and BottomQ PBits
marked using dot1p-value
Marked (or Remarked) PBits
None
Preserved tag PBits remarked
using dot1p-value
New PBits marked using dot1p-
value
Preserved tag PBits remarked
using dot1p-value
TopQ PBits marked using dot1p-
value
TopQ PBits marked using dot1p-
value, BottomQ PBits preserved
TopQ PBits PBits marked using
dot1p-value, BottomQ PBits
marked with zero
TopQ PBits PBits marked using
dot1p-value, BottomQ PBits
marked using preserved value
Table 4 when qinq-
Page 1019