Alcatel-Lucent 7750 SR - Page 375

Virtual Leased Line Services
7750 SR OS Services Guide Page 375
The QinQ and TopQ SAP PBit marking follows the default behavior defined in the table above when
qinq-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.
Dot1Q
Preserved Dot1P bits Preserved tag PBits remarked using
dot1p-value
TopQ
No preserved Dot1P bits TopQ PBits marked using dot1p-value
TopQ
Preserved Dot1P bits (used as TopQ
and BottomQ PBits)
TopQ PBits marked using dot1p-value,
BottomQ PBits preserved
QinQ
No preserved Dot1P bits TopQ PBits and BottomQ PBits
marked using dot1p-value
QinQ
Preserved Dot1P bits (used as TopQ
and BottomQ PBits)
TopQ PBits and BottomQ PBits
marked using dot1p-value
Egress SAP
Type
Ingress Packet Preserved
Dot1P State
Marked (or Remarked) PBits