If multiple links are available between two IGP neighbors on an NG MVPN, configure IGP bit error detection and bit-error-triggered protection switching, allowing the remote mLDP tunnel end to select a new outbound downstream interface if the interface in use is suffering a high bit error rate.
Interface-based bit error detection can trigger bit error alarm generation and clearing, and the association of bit error alarms with static TE-LSP/PW/E-PW APS.