I am new to Cisco routers and would appreciate some help on how to put in an access-list that would only allow clients with IP addresses of IP Range: 10.224.10.1 - 20 and a Subnet mask of : 255.255.252.0 to use our isdn connection from our LAN. Thank you in advance for your help. Norman Lee Message Posted at: http://www.groupstudy.com/form/read.php?f=7&i=1879&t=1879 -------------------------------------------------- FAQ, list archives, and subscription info: http://www.groupstudy.com/list/cisco.html Report misconduct and Nondisclosure violations to [EMAIL PROTECTED]