Table of Contents
Advertisement
Overview of Authentication and Authorization Methods
•
802.1X Port Based Network Access Control using EAPOL (Extensible Authentication Protocol)
– provides a mechanism via a RADIUS server for administrators to securely authenticate and
grant appropriate access to end user devices communicating with SecureStack C2 ports. For
details on using CLI commands to configure 802.1X, refer to "Configuring 802.1X
Authentication" on page 23‐11.
•
MAC Authentication – provides a mechanism for administrators to securely authenticate
source MAC addresses and grant appropriate access to end user devices communicating with
SecureStack C2 ports. For details, refer to "Configuring MAC Authentication" on page 23‐21.
•
Multiple Authentication Methods – allows users to authenticate using multiple methods of
authentication on the same port. For details, refer to "Configuring Multiple Authentication
Methods" on page 23‐33.
•
Multi‐User Authentication – User + IP Phone. The User + IP Phone authentication feature
supports authentication and authorization of two devices, specifically a PC cascaded with an
IP phone, on a single port on the C2. The IP phone must authenticate using MAC or 802.1X
authentication, but the user may authenticate by any method. This feature allows both the
user's PC and IP phone to simultaneously authenticate on a single port and each receive a
unique level of network access. For details, refer to "Configuring Multi‐User Authentication
(User + IP phone)" on page 23‐33.
•
RFC 3580 Tunnel Attributes provide a mechanism to contain an 802.1X authenticated or MAC
authenticated user to a VLAN regardless of the PVID. Up to six users can be configured per
Gigabit port. Refer to "Configuring VLAN Authorization (RFC 3580)" on page 23‐45.
•
MAC Locking – locks a port to one or more MAC addresses, preventing the use of
unauthorized devices and MAC spoofing on the port For details, refer to "Configuring MAC
Locking" on page 23‐50.
•
Port Web Authentication (PWA) – passes all login information from the end station to a
RADIUS server for authentication before allowing a user to access the network . PWA is an
alternative to 802.1X and MAC authentication. For details, refer to "Configuring Port Web
Authentication (PWA)" on page 23‐61.
•
Secure Shell (SSH) – provides secure Telnet. For details, refer to "Configuring Secure Shell
(SSH)" on page 23‐73.
•
IP Access Lists (ACLs) – permits or denies access to routing interfaces based on protocol and
inbound and/or outbound IP address restrictions configured in access lists. For details, refer to
"Configuring Access Lists" on page 23‐75.
RADIUS Filter-ID Attribute and Dynamic Policy Profile Assignment
If you configure an authentication method that requires communication with a RADIUS server,
you can use the RADIUS Filter‐ID attribute to dynamically assign a policy profile and/or
management level to authenticating users and/or devices.
23-2 Authentication and Authorization Configuration
Note: To configure EAP pass-through, which allows client authentication packets to be forwarded
through the switch to an upstream device, 802.1X authentication must be globally disabled with the
set dot1x command.
Notes: The C2 supports up to six authenticated users per port.
The C2 cannot simultaneously support Policy and RFC 3580 on the same port. If multiple users are
configured to use a port, and the C2 is then switched from "policy" mode to "tunnel" mode (RFC-
3580 VLAN to port mapping), the total number of users supported to use a port will be reset to one.
RFC-3580 VLAN authorization is not supported by PWA authentication.
Advertisement
Table of Contents
