A link aggregation function and maintenance function by MPLS OAM. Identical entry information is stored in plural circuits IF which perform a LA setting. In this way, multiplexing to the same LSP is possible even with different IF. The first network IF is assumed to be OAM ACT, and the second network...http://www.google.com/patents/US7983267?utm_source=gb-gplus-sharePatent US7983267 - Transmission apparatus and transmission system
