已知出口地址和内网地址，要求可以上外网，求配置模板

特别说明：

以下仅提供完整的配置过程及basic NAT关键配置点，详细的测试方法，过程及测试结果请见附件！

ISP：

sys

System View: return to User View with Ctrl+Z.

[H3C]sysname ISP

[ISP]int gi 0/1

[ISP-GigabitEthernet0/1]ip address 202.103.224.254 24

[ISP-GigabitEthernet0/1]quit

[ISP]int gi 0/0

[ISP-GigabitEthernet0/0]des

[ISP-GigabitEthernet0/0]ip address 202.1.100.1 28

[ISP-GigabitEthernet0/0]quit

[ISP]

FW1：

sys

System View: return to User View with Ctrl+Z.

[H3C]sysname FW1

[FW1]acl basic 2001

[FW1-acl-ipv4-basic-2001]rule 0 permit source any

[FW1-acl-ipv4-basic-2001]quit

[FW1]

[FW1]zone-pair security source trust destination untrust

[FW1-zone-pair-security-Trust-Untrust]packet-filter 2001

[FW1-zone-pair-security-Trust-Untrust]quit

[FW1]

[FW1]zone-pair security source untrust destination trust

[FW1-zone-pair-security-Untrust-Trust]packet-filter 2001

[FW1-zone-pair-security-Untrust-Trust]quit

[FW1]

[FW1]zone-pair security source trust destination local

[FW1-zone-pair-security-Trust-Local]packet-filter 2001

[FW1-zone-pair-security-Trust-Local]quit

[FW1]

[FW1]zone-pair security source local destination trust

[FW1-zone-pair-security-Local-Trust]packet-filter 2001

[FW1-zone-pair-security-Local-Trust]quit

[FW1]

[FW1]zone-pair security source untrust destination local

[FW1-zone-pair-security-Untrust-Local]packet-filter 2001

[FW1-zone-pair-security-Untrust-Local]quit

[FW1]

[FW1]zone-pair security source local destination untrust

[FW1-zone-pair-security-Local-Untrust]packet-filter 2001

[FW1-zone-pair-security-Local-Untrust]quit

[FW1]int gi 1/0/2

[FW1-GigabitEthernet1/0/2]ip address 192.168.1.1 24

[FW1-GigabitEthernet1/0/2]quit

[FW1]int gi 1/0/3

[FW1-GigabitEthernet1/0/3]ip address 192.168.2.1 24

[FW1-GigabitEthernet1/0/3]quit

[FW1]int gi 1/0/4

[FW1-GigabitEthernet1/0/4]des

[FW1-GigabitEthernet1/0/4]ip address 202.1.100.2 28

[FW1-GigabitEthernet1/0/4]quit

[FW1]ip route-static 0.0.0.0 0.0.0.0 202.1.100.1

[FW1]security-zone name Trust

[FW1-security-zone-Trust]import interface GigabitEthernet 1/0/2

[FW1-security-zone-Trust]import interface GigabitEthernet 1/0/3

[FW1-security-zone-Trust]quit

[FW1]security-zone name Untrust

[FW1-security-zone-Untrust]import interface GigabitEthernet 1/0/4

[FW1-security-zone-Untrust]quit

FW1 basic NAT关键配置点：

[FW1]acl basic 2000

[FW1-acl-ipv4-basic-2000]rule 0 permit source any

[FW1-acl-ipv4-basic-2000]quit

[FW1]nat address-group 1

[FW1-address-group-1]address 202.1.100.3 202.1.100.5

[FW1-address-group-1]quit

[FW1]int gi 1/0/4

[FW1-GigabitEthernet1/0/4]nat outbound 2000 address-group 1 no-pat

[FW1-GigabitEthernet1/0/4]quit