10GbE LAN-PHY/100GbE supports Link Fault Signaling (LFS) for the purpose of detecting and reporting physical layer fault conditions on transmit and receive ports. 10GbE WAN-PHY uses SONET/SDH LOS and RDI alarms for the same purpose. This article describes how LFS works for each router and FPC card type. 10GbE LAN-PHY/100GbE LFS operates between remote Reconciliation … [Read more...]