静态nat与标准acl的混合使用思科认证
文章作者 100test 发表时间 2009:06:24 19:56:14
来源 100Test.Com百考试题网
静态nat与标准acl 的混合使用
<.1>.、将pc0和pc1得ip转换为环回地址。
<.2>.、阻止1.1.1.2 的通信
Router 1配置:
Router >.en
Router#conf t
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#int f 0/0
Router(config-if)#ip add 1.1.1.1 255.0.0.0
Router(config-if)#no shut
%LINK-5-CHANGED: Interface FastEthernet0/0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/0, changed state to up
Router(config-if)#int f0/1
Router(config-if)#ip add 2.2.2.1 255.0.0.0
Router(config-if)#no shutdown
%LINK-5-CHANGED: Interface FastEthernet0/1, changed state to up
Router(config-if)#exit
Router(config)#
%LINEPROTO-5-UPDOWN: Line protocol on Interface FastEthernet0/1, changed state to up
Router(config)#int loopback 0
%LINK-5-CHANGED: Interface Loopback0, changed state to up
%LINEPROTO-5-UPDOWN: Line protocol on Interface Loopback0, changed state to up
Router(config-if)#ip add 4.4.4.1 255.0.0.0
Router(config-if)#no shut
Router(config-if)#exit
Router(config)#router rip
Router(config-router)#network 1.0.0.0
Router(config-router)#network 2.0.0.0
Router(config-router)#network 4.0.0.0
Router(config-router)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip rou
Router#show ip route
Codes: C - connected, S - static, I - IGRP, R - RIP, M - mobile, B - BGP
D - EIGRP, EX - EIGRP external, O - OSPF, IA - OSPF inter area
N1 - OSPF NSSA external type 1, N2 - OSPF NSSA external type 2
E1 - OSPF external type 1, E2 - OSPF external type 2, E - EGP
i - IS-IS, L1 - IS-IS level-1, L2 - IS-IS level-2, ia - IS-IS inter area
* - candidate default, U - per-user static route, o - ODR
P - periodic downloaded static route
Gateway of last resort is not set
C 1.0.0.0/8 is directly connected, FastEthernet0/0
C 2.0.0.0/8 is directly connected, FastEthernet0/1
R 3.0.0.0/8 [120/1] via 2.2.2.2, 00:00:11, FastEthernet0/1
C 4.0.0.0/8 is directly connected, Loopback0
Router#configure terminal
Enter configuration commands, one per line. End with CNTL/Z.
Router(config)#ip nat inside source s
Router(config)#ip nat inside source static 1.1.1.2 4.4.4.2
Router(config)#ip nat inside source static 1.1.1.3 4.4.4.3
Router(config)#interface fastEthernet 0/0
Router(config-if)#ip nat in
Router(config-if)#ip nat inside
Router(config-if)#no shut
Router(config-if)#no shutdown
Router(config-if)#int f0/1
Router(config-if)#ip nat outside
Router(config-if)#end
%SYS-5-CONFIG_I: Configured from console by console
Router#show ip nat ?
statistics Translation statistics
translations Translation entries
Router#show ip nat tr
Router#show ip nat translations
Pro Inside global Inside local Outside local Outside global
--- 4.4.4.2 1.1.1.2 --- ---
--- 4.4.4.3 1.1.1.3 --- ---
Router#ping 3.3.3.2
Type escape sequence to abort.
Sending 5, 100-byte ICMP Echos to 3.3.3.2, timeout is 2 seconds:
!!!!!