Access Lists Workbook - The Cisco Learning Network

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Router A 192.168.195.90 192.168.125.254 E0 E1 S0 48 Gail’s Computer 192.168.195.145 Celeste’s Computer 192.168.125.108 Mike’s Computer 192.168.125.17 172.31.195.0 John’s Computer 192.168.195.88 Extended Access List Problem #9 Deny/Permit a Range of Addresses Write an extended access list to prevent the first 31 usable addresses in the 192.168.125.0 network from reaching the 192.168.195.0 network. Permit all other traffic. Keep in mind that there may be multiple ways many of the individual statements in an ACL can be written. Place the access list at: Router Name: ___________________________ Router A Interface: _______________________________ E1 Access-list #: ____________________________ 145 (100-199) [Writing and installing an ACL] Router# configure terminal (or config t) Router(config)#______________________________________________________________________________________ access-list 145 deny ip 192.168.125.0 0.0.0.31 192.168.195.0 0.0.0.255 access-list ______________________________________________________________________________________ 145 permit ip any any ______________________________________________________________________________________ ______________________________________________________________________________________ Router(config)# interface ____________ E1 Router(config-if)# ip access-group _________ 145 in or out (circle one) Router(config-if)# exit
Extended Access List Problem #10 Deny/Permit a Range of Addresses Write a named extended access list called “Media_Center” to permit the range of addresses from 172.31.195.1 through 172.31.195.7 to send date to the 192.168.125.0 network. Deny all other traffic. Keep in mind that there may be multiple ways many of the individual statements in an ACL can be written. Place the access list at: Router Name: ___________________________ Router A Interface: _______________________________ S0 Access-list Name: ____________________________ Media_Center [Writing and installing an ACL] Router# configure terminal Router(config)#______________________________________________________________________________________ access-list extended Media_Center _____________________________________________________________________________________ access-list permit ip 172.31.195.0 0.0.0.7 192.168.125.0 0.0.0.255 _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ _____________________________________________________________________________________ Router(config)# interface __________ S0 Router(config-if)# ip access-group Media_Center ________________ in or out (circle one) Router(config-if)# exit Router(config)# exit Router# copy run start 49
Page 1 and 2: Extended Standard CL Any 0.0.0.0 de
Page 3 and 4: What are Access Control Lists? ACLs
Page 5 and 6: Lisa’s Computer Standard Access L
Page 7 and 8: Standard Access List Placement 1. W
Page 9 and 10: Juan’s Computer Lisa’s Computer
Page 11 and 12: Extended Access List Placement 1. W
Page 13 and 14: Breakdown of an Extended ACL Statem
Page 15 and 16: Applying an extended Named Access L
Page 17 and 18: 3. Match a specific range Example 1
Page 19 and 20: Wildcard Mask Problems 1. Create a
Page 21 and 22: 11. access-list 110 permit ip 192.1
Page 23 and 24: Writing Standard Access Lists...
Page 25 and 26: Write a standard access list to blo
Page 27 and 28: Write a standard access list to per
Page 29 and 30: Using a minimum number of commands
Page 31 and 32: Write a standard access list to blo
Page 33 and 34: Write a standard named access list
Page 35 and 36: Writing Extended Access Lists...
Page 37 and 38: Extended Access List Sample #2 Deny
Page 39 and 40: Extended Access List Problem #2 Den
Page 49: Extended Access List Sample #6 Deny
Page 53 and 54: Extended Access List Problem #12 De
Page 59 and 60: Extended Access List Sample #10 Den
Page 67 and 68: Index / Table of Contents Access-Li
Page 69: 43 NICNAME (Who Is) 49 LOGIN (Login

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