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R1(config)#isdn switch-type ntt¡¡¡¡¡Ä­¡
R1(config)#int bri0¡¡¡¡¡Ä­¢
R1(config-if)#ip address 192.168.10.1 255.255.255.0¡¡¡¡¡Ä­£
R1(config-if)#encapsulation ppp¡¡¡¡¡Ä­¤
R1(config-if)#ppp authentication chap¡¡¡¡¡Ä­¥
R1(config-if)#dialer-group 1¡¡¡¡¡Ä­¦
R1(config-if)#dialer map ip 192.168.10.2 name R2 0311112222¡¡¡¡¡Ä­§
R1(config-if)#isdn caller 0311112222¡¡¡¡¡Ä­¨
R1(config-if)#dialer idle-timeout 60¡¡¡¡¡Ä­©
R1(config-if)#exit
R1(config)#username R2 password ****¡¡¡¡¡Ä­ª
R1(config)#ip route 192.168.1.0 255.255.25.0 192.168.10.2¡¡¡¡¡Ä­«
R1(config)#dialer-list 1 protocol ip permit¡¡¡¡¡Ä­¬

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ISDN¥¹¥Æ¡¼¥¿¥¹³Îǧ¥³¥Þ¥ó¥É
R1#show isdn status
R1#show isdn active
R1#show isdn hisory
R1#show dialer
R1#show int bri0

debug¥³¥Þ¥ó¥É
R1#debug isdn q921
R1#debug isdn q931
R1#debug isdn event
R1#debug ppp authentication
R1#debug ppp packet
(debug¤ÎÃæ»ß¤Ï¡¡no debug xxx ¤Þ¤¿¤Ï no debug all)