NAT ACL DHCP
《静态动态NAT设置》
Gateway
#configure terminal
Gateway(config)#
ip nat pool public_access 199.99.9.40 199.99.9.62 netmask 255.255.255.224
Gateway(config)#
access-list 1 permit 10.10.10 .0 0.0.0.255
Gateway(config)#
ip nat inside source list 1 pool public_access
Gateway(config)#
interface fa0/0
Gateway(config-if)#
ip nat inside
Gateway(config-if)#
interface serial 0/0
Gateway(config-if)#
ip nat outside
Gateway(config-if)#
exit
Gateway(config)#
ip nat inside source static 10.10.10 .10 199.99.9.33
Gateway(config)#
exit
《超载NAT设置》
Gateway#
configure terminal
Enter configuration commands, .e per line. End with CNTL/Z.
Gateway(config)#
access-list 1 permit 10.10.10 .0 0.0.0.255
Gateway(config)#
ip nat inside source list 1 interface serial 0/0 overload
Gateway(config)#
interface fa0/0
Gateway(config-if)#
ip nat inside
Gateway(config-if)#
exit
Gateway(config)#
interface serial 0/0
Gateway(config-if)#
ip nat outside
Gateway(config-if)#
exit
Gateway(config)#
exit
Gateway#
copy running-config startup-config
《标准ACL》
GAD(config)#
access-list 1 deny 192.168.14.0 0.0.0 .255
GAD(config)#
access-list 1 permit any
GAD(config-if)#
ip access-group 1 in
《扩展ACL》
GAD(config)#
access-list 101 deny tcp 192.168.14.0 0.0.0 .255 any eq 80/WWW
GAD(config)#
access-list 101 permit ip any any
GAD(config-if)#
ip access-group 101 in
《命名ACL》
GAD(config)#
ip access-list standard no_access
GAD(config-std-nacl)#
deny 192.168.14.0 0.0.0 .255
GAD(config-std-nacl)#
permit any
GAD(config-if)#
ip access-group no_access in
《DHCP的网络配置》
Router2#
configure terminal
Router2(config)#
hostname Router2
Router2(config)#
enable password cisco
Router2(config)#
enable secret class
Router2(config)#
line console 0
Router2(config-line)#
password cisco
Router2(config-line)#
login
Router2(config-line)#
exit
Router2(config)#
line vty 0 4
Router2(config-line)#
password cisco
Router2(config-line)#
login
Router2(config-line)#
exit
Router2(config)#
interface fastethernet 0/0
Router2(config-if)#
ip address 172.16.13.1 255.255.255.0
Router2(config-if)#
no shutdown
Router2(config-if)#
exit
Router2(config)#
interface serial 0/0
Router2(config-if)#
ip address 172.16.1.5 255.255.255.252
Router2(config-if)#
no shutdown
Router2(config-if)#
exit
Router2(config)#
router ospf 1
Router2(config-router)#
network 172.16.1.0 0.0.0 .255 area 0
Router2(config-router)#
network 172.16.13.0 0.0.0 .255 area 0
Router2(config-router)#
end
Router2#
copy running-config startup-config
Router1#
configure terminal
Router1(config)#
hostname Router1
Router1 (config)#
enable password cisco
Router1 (config)#
enable secret class
Router1 (config)#
line console 0
Router1(config-line)#
password cisco
Router1(config-line)#
login
Router1(config-line)#
exit
Router1(config)#
line vty 0 4
Router1(config-line)#
password cisco
Router1(config-line)#
login
Router1(config-line)#
exit
Router1(config)#
interface fastethernet 0/0
Router1(config-if)#
ip address 172.16.12.1 255.255.255.0
Router1(config-if)#
no shutdown
Router1(config-if)#
exit
Router1(config)#
interface serial 0/0
Router1(config-if)#
ip address 172.16.1.6 255.255.255.252
Router1(config-if)#
clock rate 56000
Router1(config-if)#
no shutdown
Router1(config-if)#
exit
Router1(config)#
router ospf 1
Router1(config-router)#
network 172.16.1.0 0.0.0 .255 area 0
Router1(config-router)#
network 172.16.12.0 0.0.0 .255 area 0
Router1(config-router)#
end
Router1#
copy running-config startup-config
《DHCP pool configurations》
Router1 pool
Router1(config)#
ip dhcp pool Router1
Router1(dhcp-config)#
network 172.16.12.0 255.255.255.0
Router1(dhcp-config)#
default-router 172.16.12.1
Router1(dhcp-config)#
dns-server 172.16.12.2
Router1(dhcp-config)#
domain-name foo.com
Router1(dhcp-config)#
netbios-name-server 172.16.12.10
Router1(dhcp-config)#
exit
Router2 pool
Router1(config)#
ip dhcp pool Router2
Router1(dhcp-config)#
network 172.16.13.0 255.255.255.0
Router1(dhcp-config)#
default-router 172.16.13.1
Router1(dhcp-config)#
dns-server 172.16.12.2
Router1(dhcp-config)#
domain-name foo.com
Router1(dhcp-config)#
netbios-name-server 172.16.12.10
Router1(dhcp-config)#
exit
Router1(config)#
ip dhcp excluded-address 172.16.12.1 172.16.12.10
Router1(config)#
ip dhcp excluded-address 172.16.13.1 172.16.13.10
Router1(config)#
exit
Router1#
copy running-config startup-config
Router2 helper address configuration
Router2#
configure terminal
Router2(config)#
interface fa0/0
Router2(config-if)#
ip helper-address 172.16.12.1
Router2(config-if)#
exit
Router2(config)#
exit
Router2#
copy running-config startup-config
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