Inserting an address used for performing such OAM functions in an
efficient way that is transparent to a customer or service using the
network path is disclosed. An indication is received that a source
address reserved for OAM use should be inserted into a forwarding
database associated with a provider network node, such as a provider edge
device, that receives the indication. The address is inserted into a
forwarding database as an address that is owned by the provider network
node and reserved for OAM use. One or more other nodes associated with a
service with which the OAM address is associated may be notified that the
OAM address is associated with the provider network node that owns the
OAM address.