to up 00:04:06: %LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, chang ed state to up 00:04:11: %ISDN-6-CONNECT: Interface BRI0:1 is now connected to 572 #router1
设定登录263的用户名和口令 ppp pap sent-username 263 password 263
设定默认路由 ip route 0.0.0.0 0.0.0.0 bri 0
设定符合访问列表2的所有源地址被翻译为bri 0所拥有的地址 ip nat inside source list 2 interface bri 0 overload
设定访问列表2，允许所有协议 access-list 2 permit any
具体配置如下：
hostname Cisco2503 ! isdn switch-type basic-net3 ! ip subnet-zero no ip domain-lookup ip routing ! interface Ethernet 0 ip address 10.0.0.1 255.255.255.0 ip nat inside no shutdown ! interface Serial 0 shutdown no description no ip address ! interface Serial 1 shutdown no description no ip address ! interface bri 0 ip address negotiated ip nat outside encapsulation ppp ppp authentication pap callin ppp multilink dialer-group 1 dialer hold-queue 10 dialer string 2633 dialer idle-timeout 120 ppp pap sent-username 263 password 263 no cdp enable no ip split-horizon no shutdown ! ip classless ! ! Static Routes ! ip route 0.0.0.0 0.0.0.0 bri 0 ! ! Access Control List 2 ! access-list 2 permit any ! dialer-list 1 protocol ip permit ! ! Dynamic NAT
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