https://community.cisco.com/t5/network-security/summarizing-acls/m-p/2469653#M238158 <P>I would like to block networks 10.0.0.0/24 through 10.0.239.0/24 from accessing networks 10.0.240/20</P><P>I've come to the conclusion that the best way of doing this is with 4 separate acl's:</P><P>ACL 1 - 0.0 - 127.255</P><P>ACL 2 - 128.0 - 191.255</P><P>ACL 3 - 192.0 - 223.255</P><P>ACL 4 - 224.0 - 239.255</P><P>I'm wondering of this is correct, or if there is a way to encompass 10.0.0.0 - 10.0.239.255 into once ACL statement.</P><P>As always, thank you in advance.</P> Tue, 12 Mar 2019 04:14:52 GMT Jared Burton 2019-03-12T04:14:52Z https://community.cisco.com/t5/network-security/summarizing-acls/m-p/2469653#M238158 <P>I would like to block networks 10.0.0.0/24 through 10.0.239.0/24 from accessing networks 10.0.240/20</P><P>I've come to the conclusion that the best way of doing this is with 4 separate acl's:</P><P>ACL 1 - 0.0 - 127.255</P><P>ACL 2 - 128.0 - 191.255</P><P>ACL 3 - 192.0 - 223.255</P><P>ACL 4 - 224.0 - 239.255</P><P>I'm wondering of this is correct, or if there is a way to encompass 10.0.0.0 - 10.0.239.255 into once ACL statement.</P><P>As always, thank you in advance.</P> Tue, 12 Mar 2019 04:14:52 GMT https://community.cisco.com/t5/network-security/summarizing-acls/m-p/2469653#M238158 Jared Burton 2019-03-12T04:14:52Z https://community.cisco.com/t5/network-security/summarizing-acls/m-p/2469654#M238159 <P>There is no way to accommodate networks 10.0.0.0/ 24 through 10.0.239.0/24 in one ACL statement.&nbsp; The most efficient solution is the one that you have already presented.</P> Tue, 27 May 2014 11:11:37 GMT https://community.cisco.com/t5/network-security/summarizing-acls/m-p/2469654#M238159 Ri0N 2014-05-27T11:11:37Z