外网61.132.47.2-6 内网180.9.0.0
防火墙外口61.132.47.2 内口180.9.0.100
现通过防火墙可ping通外网网关，局域网内可ping通180.9.0.100但ping不通外网
且无法上网，求各位大侠帮忙指点
PIX Version 6.3(4)
interface ethernet0 auto
interface ethernet1 auto
nameif ethernet0 outside security0
nameif ethernet1 inside security100
enable password 8Ry2YjIyt7RRXU24 encrypted
passwd 2KFQnbNIdI.2KYOU encrypted
hostname pixfirewall
fixup protocol dns maximum-length 512
fixup protocol ftp 21
fixup protocol h323 h225 1720
fixup protocol h323 ras 1718-1719
fixup protocol http 80
fixup protocol rsh 514
fixup protocol rtsp 554
fixup protocol sip 5060
fixup protocol sip udp 5060
fixup protocol skinny 2000
fixup protocol smtp 25
fixup protocol sqlnet 1521
fixup protocol tftp 69
no names
pager lines 24
mtu outside 1500
mtu inside 1500
ip address outside 61.132.47.2 255.255.255.248
ip address inside 180.9.0.100 255.255.0.0
ip audit info action alarm
ip audit attack action alarm
ip local pool pp 180.9.0.20-180.9.0.29
ip local pool pp1 180.9.0.101
pdm history enable
arp timeout 14400
nat (inside) 1 0.0.0.0 0.0.0.0 0 0
conduit permit icmp any any
conduit permit tcp any any
conduit permit udp any any
conduit permit ip any any
route outside 0.0.0.0 0.0.0.0 61.132.47.1 1
timeout xlate 3:00:00
timeout conn 1:00:00 half-closed 0:10:00 udp 0:02:00 rpc 0:10:00 h225 1:00:00
timeout h323 0:05:00 mgcp 0:05:00 sip 0:30:00 sip_media 0:02:00
timeout uauth 0:05:00 absolute
aaa-server TACACS+ protocol tacacs+
aaa-server TACACS+ max-failed-attempts 3
aaa-server TACACS+ deadtime 10
aaa-server RADIUS protocol radius
aaa-server RADIUS max-failed-attempts 3
aaa-server RADIUS deadtime 10
aaa-server LOCAL protocol local
no snmp-server location
no snmp-server contact
snmp-server community public
no snmp-server enable traps
floodguard enable
telnet 180.9.0.0 255.255.0.0 inside
telnet timeout 5
ssh timeout 5
console timeout 0
terminal width 80
Cryptochecksum:ed2a53bc30080a2d6964f7a4e03d7b14
: end