Feature Information For Creating An Ip Access List To Filter - Cisco Catalyst 2960 series Configuration Manual

Feature Information for Creating an IP Access List to Filter

Feature Information for Creating an IP Access List to Filter
The following table provides release information about the feature or features described in this module. This
table lists only the software release that introduced support for a given feature in a given software release
train. Unless noted otherwise, subsequent releases of that software release train also support that feature.
Use Cisco Feature Navigator to find information about platform support and Cisco software image support.
To access Cisco Feature Navigator, go to www.cisco.com/go/cfn. An account on Cisco.com is not required.
Table 117: Feature Information for Creating an IP Access List to Filter
Feature Name
ACL Support for Filtering IP
Options
ACL TCP Flags Filtering
Consolidated Platform Configuration Guide, Cisco IOS Release 15.2(4)E (Catalyst 2960-X Switches)
1244
Releases Feature Configuration Information
Cisco IOS 15.2(2)E This feature allows you to filter packets having
IP Options, in order to prevent routers from
becoming saturated with spurious packets.
Cisco IOS 15.2(2)E This feature provides a flexible mechanism for
filtering on TCP flags. The ACL TCP Flags
Filtering feature allows you to select any
combination of flags on which to filter. The
ability to match on a flag set and on a flag not
set gives you a greater degree of control for
filtering on TCP flags, thus enhancing security.