0223_模拟2011

拓扑图:
访问列表:

配置方法:分清楚流量的inout,分清楚流量是从接口的IN流入,还是从接口的OUT流出。

扩展访问列表在源用IN,标准访问列表在目的用OUT 

R3:
配置ACL实验VLAN30,VLAN40只有上班时间(周一至周五的900-1800)才可以访问互联网。

time-range work

 periodic weekdays 9:00 to 18:00

r3(config)#acc 100 per ip 12.1.3.0 0.0.0.255 an ti work

r3(config)#acc 100 per ip 12.1.4.0 0.0.0.255 an ti work

r3#sh clo

*01:43:18.783 UTC Fri Mar 1 2002------此时间不可以访问

VPCS 3 >ping 172.16.1.9

172.16.1.9 icmp_seq=1 timeout

172.16.1.9 icmp_seq=2 timeout

172.16.1.9 icmp_seq=3 timeout

172.16.1.9 icmp_seq=4 timeout

172.16.1.9 icmp_seq=5 timeout

VPCS 4 >3

VPCS 3 >ping 172.16.1.10

172.16.1.10 icmp_seq=1 time=47.000 ms

172.16.1.10 icmp_seq=2 time=62.000 ms

172.16.1.10 icmp_seq=3 time=78.000 ms

172.16.1.10 icmp_seq=4 time=78.000 ms

172.16.1.10 icmp_seq=5 time=62.000 ms

r3#clo set 9:30:00 18 feb 2013

r3#sh clo

09:32:54.347 UTC Mon Feb 18 2013--------此时间可以访问

VPCS 3 >ping 172.16.1.9

172.16.1.9 icmp_seq=1 time=125.000 ms

172.16.1.9 icmp_seq=2 time=78.000 ms

172.16.1.9 icmp_seq=3 time=78.000 ms

172.16.1.9 icmp_seq=4 time=93.000 ms

172.16.1.9 icmp_seq=5 time=140.000 ms

VPCS 3 >4

VPCS 4 >ping 99.1.1.14

99.1.1.14 icmp_seq=1 time=234.000 ms

99.1.1.14 icmp_seq=2 time=281.000 ms

99.1.1.14 icmp_seq=3 time=203.000 ms

99.1.1.14 icmp_seq=4 time=187.000 ms

99.1.1.14 icmp_seq=5 time=187.000 ms

R4:

配置ACL禁止C6所在网段在8001000这段时间无法PINGC4
time-range work
 periodic weekdays 8:00 to 10:00
access-list 100 deny   icmp 99.1.1.0 0.0.0.255 12.1.4.0 0.0.0.255 time-range work

access-list 100 permit ip any any

r4#sh clo

09:02:47.395 UTC Mon Feb 18 2013------此时间C6,C4之间不通

VPCS 6 >ping 12.1.4.100

12.1.4.100 icmp_seq=1 timeout

12.1.4.100 icmp_seq=2 timeout

12.1.4.100 icmp_seq=3 timeout

12.1.4.100 icmp_seq=4 timeout

12.1.4.100 icmp_seq=5 timeout

r4#clo set 7:00:00 18 feb 2013

r4#sh clo

07:03:55.599 UTC Mon Feb 18 2013------此时间C6,C4之间通

VPCS 6 >ping 12.1.4.100

12.1.4.100 icmp_seq=1 time=171.000 ms

12.1.4.100 icmp_seq=2 time=171.000 ms

12.1.4.100 icmp_seq=3 time=171.000 ms

12.1.4.100 icmp_seq=4 time=202.000 ms

12.1.4.100 icmp_seq=5 time=187.000 ms

R5,R6:

配置ACL不允许VLAN10VLAN20进行互访,其它不受限制。

R5:

access-list 100 deny   ip 12.1.1.0 0.0.0.255 12.1.2.0 0.0.0.255

access-list 100 permit ip any any

interface Vlan10

 ip address 12.1.1.1 255.255.255.0

 ip access-group 100 in

R6:

interface Vlan10

 ip address 12.1.1.2 255.255.255.0

 ip access-group 100 in

access-list 100 deny   ip 12.1.1.0 0.0.0.255 12.1.2.0 0.0.0.255

access-list 100 permit ip any any

VPCS 1 >ping 12.1.2.100--------------VLAN10不可以访问VLAN20

12.1.2.100 icmp_seq=1 timeout

12.1.2.100 icmp_seq=2 timeout

12.1.2.100 icmp_seq=3 timeout

12.1.2.100 icmp_seq=4 timeout

12.1.2.100 icmp_seq=5 timeout


      本文转自810105851 51CTO博客,原文链接:http://blog.51cto.com/4708948/1139080,如需转载请自行联系原作者






原文地址:https://www.cnblogs.com/twodog/p/12138620.html