实验指南：NAT 
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实验指南
Lab 31: Configuring Dynamic NAT and Using Non−Standard FTP Port
Numbers  Configure the network so that the workstations on the subnet 9.3.3.0/24 can access to the Internet, while restricting access to the 200.100.1.16/29 subnet.
Control access so that NAT works to the Internet, but only NAT ICMP and FTP when traffic is destined toward the host 200.100.1.18.
Use the CIDR block of 200.100.1.32/29 for your address pool.
Optional: Configure FTP to work on port 2021 instead of port 21. 只需在Jpms_router上配置
Jpms_router
conf t host Jpms_router ip route 0.0.0.0 0.0.0.0 192.168.11.5
int f 0/0 ip ad 9.3.3.1 255.255.255.0 ip nat inside no shut int l 0 ip ad 200.100.1.33 255.255.255.248 int s 2/0 ip ad 192.168.11.6 255.255.255.252 ip nat outside no shut exit ip nat service list 1 ftp tcp port 2001 access-list 1 permit 200.100.1.18 access-list 100 deny ip 9.3.3.0 0.0.0.255 200.100.1.16 0.0.0.7 access-list 100 permit ip 9.3.3.0 0.0.0.255 any access-list 100 permit icmp 9.3.3.0 0.0.0.255 host 200.100.1.18 access-list 100 permit tcp 9.3.3.0 0.0.0.255 host 200.100.1.18 eq 2001 route-map NAT permit 10
match ip ad 100 exit ip nat inside source route-map NAT pool POOL ip nat pool POOL 200.100.1.33 200.100.1.38 netmask 255.255.255.248 end Lab 32: Configuring Static NAT
 Configure the network as depicted in Figure 15−7. Configure the network with EIGRP as the routing protocol. Use an autonomous System ID of 7.
Configure green_bay so that the router does not circulate the new subnet of 210.168.1.0/24 in EIGRP.
Configure static translations as follows:
− 210.168.1.254 translates to 190.10.1.1 − 210.168.1.250 translates to 190.10.1.2 Green_bay conf t host Green_bay int f 0/0 ip ad 210.168.1.254 255.255.255.0 no shut ip nat inside int s2/0 ip ad 190.10.5.6 255.255.255.252 no shut ip nat outside exit router eigrp 7 no au net 190.10.5.6 0.0.0.0 exit ip nat inside source static 210.168.1.254 190.10.1.1 ip nat inside source static 210.168.1.250 190.10.1.2 end 本文出自 “穿过地狱去看海” 博客，谢绝转载！ 本文出自 51CTO.COM技术博客 |
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