百科解釋
PPPOA(PPP over ATM) PPPoA(PPP over ATM)協(xié)議采用PPPoA的接入技術(shù),由PC終端直接發(fā)起PPP呼叫,用戶側(cè)ATM25網(wǎng)卡在收到上層的PPP包后,根據(jù)RFC2364封裝標(biāo)準(zhǔn)對(duì) PPP包進(jìn)行AAL5層封裝處理形成ATM信元流。ATM信元透過ADSL Modem傳送到網(wǎng)絡(luò)側(cè)的寬帶接入服務(wù)器上,完成授權(quán)、認(rèn)證、分配IP地址和計(jì)費(fèi)等一系列PPP接入過程。 PPPOA應(yīng)用配置實(shí)例 PPPOA應(yīng)用方式的組網(wǎng)圖和上圖相似,所不同的是以PPPOA代替PPPOEOA。參考配置如下: 注意事項(xiàng):此種方式Client端采用的PAP的認(rèn)證方式,如需采用CHAP認(rèn)證的方式,可在Virtual-Template口下加入如下配置: ppp chap user aaa ppp chap password simple aaa Client的配置:(AR18路由器) [Quidway]dis cur # sysname Quidway # interface Virtual-Template0 ppp pap local-user aaa password simple aaa ip address 202.132.0.2 255.255.255.0 nat outbound 3000 # interface Ethernet1/0 ip address 192.168.0.1 255.255.255.0 # interface Atm2/0 adsl standard gdmt pvc 3/99 map ppp Virtual-Template0 # interface NULL0 # acl number 3000 rule 0 permit ip # ip route-static 0.0.0.0 0.0.0.0 202.132.0.1 preference 60 # user-interface con 0 user-interface vty 0 4 # return Server端: [AR46]dis cur # sysname AR46-40 # local-user aaa password simple aaa # ip pool 21 202.132.0.2 202.132.0.200 # interface Virtual-Template21 ppp authentication-mode pap scheme default ppp accounting scheme default ip address 202.132.0.1 255.255.255.0 remote address pool 21 # interface Atm2/0/0 # interface Atm2/0/0.21 pvc 3/99 map ppp Virtual-Template21 #
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