Administrator Guide

VTY Line and Access-Class

Configuration

Various methods are available to restrict VTY access in Dell Networking OS. These depend on which

authentication scheme you use — line, local, or remote.

Table 59. VTY Access

Authentication Method VTY access-class

support?

Username access-class

support?

Remote authorization

support?

Line YES NO NO

Local NO YES NO

TACACS+ YES NO YES (with Dell

Networking OS version

5.2.1.0 and later)

RADIUS YES NO YES (with Dell

Networking OS version

6.1.1.0 and later)

Dell Networking OS provides several ways to configure access classes for VTY lines, including:

• VTY Line Local Authentication and Authorization

• VTY Line Remote Authentication and Authorization

VTY Line Local Authentication and

Authorization

Dell Networking OS retrieves the access class from the local database.

To use this feature:

1 Create a username.

2 Enter a password.

3 Assign an access class.

4 Enter a privilege level.

You can assign line authentication on a per-VTY basis; it is a simple password authentication, using an

access-class as authorization.

Configure local authentication globally and configure access classes on a per-user basis.

Dell Networking OS can assign different access classes to different users by username. Until users attempt to

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