ccna实验之acl，用的是繁荣的模拟器。

Router#conf t Enter configuration commands, one per line. End with CNTL/Z. Router(config)#ho r12 r12(config)#ho r1 r1(config)#no ip do r1(config)#no ip domain-lo r1(config)#no ip domain-lookup r1(config)#line con 0 r1(config-line)#logg sy r1(config-line)#exec-t 00 r1(config-line)#exi r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)# r1(config)#int s1/2 r1(config-if)#ip add 12.1.1.1 255.255.255.0 r1(config-if)#no sh r1(config)#router ei 10 r1(config-router)#no au r1(config-router)#no auto-summary r1(config-router)#net 12.1.1.0 0.0.0.255 r1(config-router)# r1(config-router)# r1(config-router)# r1(config-router)# *Mar 1 00:06:38.539: %DUAL-5-NBRCHANGE: IP-EIGRP(0) 10: Neighbor 12.1.1.2 (Serial1/2) is up: new adjacency r1(config-router)# r1(config-router)# r1(config-router)# r1(config-router)# r1(config-router)# r1(config-router)# r1(config-router)# r1(config-router)#end r1#telnet 23.1.1.2 *Mar 1 00:07:27.839: %SYS-5-CONFIG_I: Configured from console by console r1#telnet 23.1.1.2 Trying 23.1.1.2 ... Open User Access Verification Username: xiaoan Password: r3>en % No password set r3> r3> r3> r3>en Password: r3# r3# r3# r3# r3#exi [Connection to 23.1.1.2 closed by foreign host] r1# r1# r1# r1# r1# r1# r1# r1# r1# r1# r1# r1#telnet 23.1.1.2 Trying 23.1.1.2 ... Open User Access Verification Username: xiaoan Password: r3>exi [Connection to 23.1.1.2 closed by foreign host] r1# r1# r1# r1# r1# r1# r1# r1#telnet 23.1.1.2 Trying 23.1.1.2 ... % Destination unreachable; gateway or host down r1#telnet 23.1.1.2 Trying 23.1.1.2 ... % Destination unreachable; gateway or host down r1#ping 23.1.1.2 Type escape sequence to abort. Sending 5, 100-byte ICMP Echos to 23.1.1.2, timeout is 2 seconds: !!!!! Success rate is 100 percent (5/5), round-trip min/avg/max = 32/106/184 ms