WA4320-ACN-SI上网问题

wa4320-acn-si 通过PPPOE拨号可正常获取公网IP，但不能上网。配置NAT后不能获取私有IP，不配置NAT可以获取私有IP，但上不了网。是不是NAT配置不正确？该怎么配置NAT？

version 5.20, Release 1508P02
#
 sysname WA4320-ACN-SI
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 domain default enable system
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 telnet server enable
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 port-security enable
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 password-recovery enable
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 undo attack-defense tcp fragment enable
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vlan 1
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domain system
 access-limit disable
 state active
 idle-cut disable
 self-service-url disable
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dhcp server ip-pool home
 network 192.168.0.0 mask 255.255.255.0
 gateway-list 192.168.0.50
 dns-list 192.168.0.50
 expired unlimited
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user-group system
 group-attribute allow-guest
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local-user admin
 password cipher $c$3$ZPkXAKlLT/yDQBhir74nJWu+2SppvODB/GcwXpo=
 authorization-attribute level 3
 service-type telnet
 service-type web
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wlan rrm
 dot11a mandatory-rate 6 12 24
 dot11a supported-rate 9 18 36 48 54
 dot11b mandatory-rate 1 2
 dot11b supported-rate 5.5 11
 dot11g mandatory-rate 1 2 5.5 11
 dot11g supported-rate 6 9 12 18 24 36 48 54
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wlan service-template 1 clear
 ssid H3C
 service-template enable
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wlan service-template 2 crypto
 ssid H3C-home
 cipher-suite wep40
 wep default-key 1 wep40 raw-key cipher $c$3$/B0bJwZ5Twz7fT+GEiD+4/qFMgapE4n0D1NfMtk=
 service-template enable
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cwmp
 undo cwmp enable
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interface Dialer1
 link-protocol ppp
 ppp chap user 13970983332
 ppp chap password cipher $c$3$nLq49flF2v6bFq/IxMeCjI+f80b2dq7DyA==
 ppp pap local-user 13970983332 password cipher $c$3$59LD+m77EtsHZUJHCDrlCcwBMsSJre+rTw==
 ppp ipcp dns request
 ip address ppp-negotiate
 dialer user pppoeclient
 dialer-group 1
 dialer bundle 1
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interface NULL0
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interface Vlan-interface1
 pppoe-client dial-bundle-number 1
 ip address 192.168.0.50 255.255.255.0
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interface GigabitEthernet1/0/1
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interface WLAN-BSS32
 port link-type hybrid
 port hybrid vlan 1 untagged
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interface WLAN-BSS33
 port link-type hybrid
 port hybrid vlan 1 untagged
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interface WLAN-BSS34
 port link-type hybrid
 port hybrid vlan 1 untagged
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interface WLAN-BSS35
 port link-type hybrid
 port hybrid vlan 1 untagged
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interface WLAN-Radio1/0/1
 service-template 2 interface wlan-bss 34
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interface WLAN-Radio1/0/2
 service-template 1 interface wlan-bss 33
 service-template 2 interface wlan-bss 35
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 dhcp enable
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 dialer-rule 1 ip permit
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 arp-snooping enable
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 load xml-configuration
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 load tr069-configuration
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user-interface con 0
user-interface vty 0 4
 authentication-mode scheme
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return