ensp ppp互相认证

ISP_China_unicom:

interface Serial3/0/1

link-protocol ppp

ppp authentication-mode chap

ppp chap user isp_china_teltecom

ppp chap password cipher P@ss-1234

local-user isp_china_unicom password cipher P@ss-1234

local-user isp_china_unicom service-type ppp

ISP_Chaina_TElecom:

interface Serial1/0/1

link-protocol ppp

ppp authentication-mode chap

ppp chap user isp_china_unicom

ppp chap password cipher P@ss-1234

local-user isp_china_teltecom password cipher P@ss-1234

local-user isp_china_teltecom service-type ppp