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Catalyst 2960 and 2960-S Switch Software Configuration Guide
OL-8603-09
Chapter 1 Overview
Features
Note To use voice aware 802.1x authentication, the switch must be running the LAN Base image.
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MAC authentication bypass to authorize clients based on the client MAC address.
Note To use MAC authentication bypass, the switch must be running the LAN Base image.
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Network Admission Control (NAC) Layer 2 802.1x validation of the antivirus condition or
posture of endpoint systems or clients before granting the devices network access.
For information about configuring NAC Layer 2 802.1x validation, see the “Configuring NAC
Layer 2 802.1x Validation” section on page 10-63.
Note To use NAC, the switch must be running the LAN Base image.
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Network Edge Access Topology (NEAT) with 802.1X switch supplicant, host authorization
with CISP, and auto enablement to authenticate a switch outside a wiring closet as a supplicant
to another switch.
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IEEE 802.1x with open access to allow a host to access the network before being authenticated.
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IEEE 802.1x authentication with downloadable ACLs and redirect URLs to allow per-user ACL
downloads from a Cisco Secure ACS server to an authenticated switch.
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Support for dynamic creation or attachment of an auth-default ACL on a port that has no
configured static ACLs.
Note To use this feature, the switch must be running the LAN Base image.
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Flexible-authentication sequencing to configure the order of the authentication methods that a
port tries when authenticating a new host.
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Multiple-user authentication to allow more than one host to authenticate on an 802.1x-enabled
port.
• TACACS+, a proprietary feature for managing network security through a TACACS server
• RADIUS for verifying the identity of, granting access to, and tracking the actions of remote users
through authentication, authorization, and accounting (AAA) services
• Secure Socket Layer (SSL) Version 3.0 support for the HTTP 1.1 server authentication, encryption,
and message integrity and HTTP client authentication to allow secure HTTP communications
(requires the cryptographic version of the software)
• IEEE 802.1x Authentication with ACLs and the RADIUS Filter-Id Attribute
• Support for IP source guard on static hosts.
• RADIUS Change of Authorization (CoA) to change the attributes of a certain session after it is
authenticated. When there is a change in policy for a user or user group in AAA, administrators can
send the RADIUS CoA packets from the AAA server, such as Cisco Secure ACS to reinitialize
authentication, and apply to the new policies.
• IEEE 802.1x User Distribution to allow deployments with multiple VLANs (for a group of users) to
improve scalability of the network by load balancing users across different VLANs. Authorized
users are assigned to the least populated VLAN in the group, assigned by RADIUS server.