15 OAM Frame | Dest MAC | | Dest MAC | Source MAC | | Source MAC | | VLAN Ethertype | VLAN Tag | | (Optional) | | OAM | OAM | Version| | EtherType | Level | | | Rsvd | OpCode | Data | |Data (OpCode specific, continued)… | Pretty simple op-code functions (1/2) Connectivity Test Request/Response (layer two ping…) (3) Connectivity Verification (periodic hello…) Solicited and unsolicited connectivity checking
{}