PBB MEPs and MIPs Provider Bridge Backbone Edge

PBB MEPs and MIPs Provider Bridge Backbone Edge Bridge B PBP Customer MD Levels 7 0 SP MD ‘Service’ Level 7 IB Link 1 Comp CBP I PIP 3 Comp UNI Access Link 5 CIP Per S-VLAN Customer CFM PDUs treated as data in PBBN Per I-SID 0 Per B-VID SP MD ‘Facility’ Level SP MD ‘Link’ Level 7 0 Backplane 1: 1 S-Tagged Service Interface MHF MIP MEP 1 [Intended only for discussion purposes - DWM]

PBB / CFM Frame Formats B-TAG B-FCS MDL/Ver . 1 ag Type C-SA C-DA Rest of OAMPDU Ethernet encapsulated format (any interface) OAM frame (‘Facility’ MD Level) One per B-VID; B-Comp CBP to B-Comp CBP *Depicted at the 802. 3 MAC server layer interface (i. e. the RS sublayer) 2 Rest of OAMPDU I-TAG . 1 ag Type B-TCI . 1 ad Type B-SA B-DA SFD PA IPG B-TAG I-SID+ . 1 ah Type B-TCI . 1 ad Type B-SA B-DA SFD PA IPG I-TCI B-FCS Ethernet encapsulated format (any interface) OAM frame (‘Service’ MD Level) One per I-SID; I-Comp PIP to I-Comp PIP

PBB MEPs and MIPs – CFM c 22 View Backbone Edge Bridge B Comp Provider Bridge I Comp 8. 6. 3 EISS 8. 6. 1, . 2, . 4 EISS EISS 8. 6. 1, . 2, . 4 EISS ISS ISS media 1: 1 S-Tagged Service Interface MHF MIP MEP 3 [Intended only for discussion purposes - DWM]