http://www.rfc-editor.org/rfc/rfc3038.txt
RFC 3038: VCID Notification over ATM link for LDP, K. Nagami, Y. Katsube, N. Demizu, H. Esaki, P. Doolan2001-01-01T23:00:00-00:00This document specifies the procedures for the communication of VCID values between neighboring ATM-LSRs that must occur in order to ensure this property. [STANDARDS-TRACK]