PPP and MP Configuration Example 381[RouterA-Serial2/0] ppp authentication-mode chap domain system[RouterA-Serial2/0] ip address 200.1.1.1 16[RouterA-Serial2/0] quit[RouterA]domain system[RouterA-isp-system] authentication ppp local2 Configure router B. system-view[RouterB] local-user user1[RouterB-luser-user1] service-type ppp[RouterB-luser-user1] password simple hello[RouterB-luser-user1] quit[RouterB] interface serial 2/0[RouterB-Serial2/0] link-protocol ppp[RouterB-Serial2/0] ppp chap user user2[RouterB-Serial2/0] ip address 200.1.1.2 16Approach II: use default CHAP password to perform authentication1 Configure Router A. system-view[RouterA] local-user user2[RouterA-luser-user2] password simple hello[RouterA-luser-user2] service-type ppp[RouterA-luser-user2] quit[RouterA] interface serial 2/0[RouterA-Serial2/0] ppp authentication-mode chap domain system[RouterA-Serial2/0] ip address 200.1.1.1 16[RouterA-Serial2/0] quit[RouterA] domain system[RouterA-isp-system] authentication ppp local2 Configure Router B. system-view[RouterB] interface serial 2/0[RouterB-Serial2/0] ppp chap user user2[RouterB-Serial2/0] ppp chap password simple hello[RouterB-Serial2/0] ip address 200.1.1.2 16If you configure the ppp authentication-mode chap command withoutspecifying the domain keyword, the default domain named system is adopted atthe time of authentication and local authentication applies by default.MP ConfigurationExampleNetwork requirementsFigure 97 presents a scenario, where:■ On an E1 interface of Router A, four channels are created with interface namesbeing Serial 2/0:1, Serial 2/0:2, Serial 2/0:3, and Serial 2/0:4 respectively.■ On Router B, two channels are created with interface names being Serial 2/0:1and Serial 2/0:2 respectively. The same is done on Router C.Do the following:■ Bind two channels on Router A with the two channels on Router B and anothertwo channels with the two channels on Router C.
