Entendendo os logs

Estou monitorando a minha conexao pppoe e esta avendo algumas mensagens aonde nao sei o que segnificão , alguem poderia me ajudar a entendelas uma delas é esta


pppoe,ppp,debug,packet pppoe-out1: rcvd LCP EchoReq id=0xec in 22-Sep 18:57:16.10 from 192.168.50.1
pppoe,ppp,debug,packet <magic 0x61cbb16> in 22-Sep 18:57:16.10 from 192.168.50.1
pppoe,ppp,debug,packet 3d 03 39 47 in 22-Sep 18:57:16.10 from 192.168.50.1
pppoe,ppp,debug,packet pppoe-out1: sent LCP EchoRep id=0xec in 22-Sep 18:57:16.10 from 192.168.50.1
pppoe,ppp,debug,packet <magic 0x4739033d> in 22-Sep 18:57:16.10 from 192.168.50.1
pppoe,ppp,debug,packet 3d 03 39 47 in 22-Sep 18:57:16.10 from 192.168.50.1