New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 5000 Series NX-OS Security Configuration Guide.

New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 5000 Series NX-OS Security Configuration Guide.

The latest version of this document is available at the following Cisco website:

http://www.cisco.com/en/US/products/ps9670/products_installation_and_configuration_guides_list.html

To check for the latest information about Cisco NX-OS for the Cisco Nexus 5000 Series switch, see the Cisco Nexus 5000 Series and Nexus 2000 Series NX-OS Release Notes available at the following Cisco website:

http://www.cisco.com/en/US/products/ps9670/prod_release_notes_list.html

This table summarizes the new and changed features documented in the Cisco Nexus 5000 Series NX-OS Security Configuration Guide, Release 5.0(3)N1(1), and tells you where they are documented.
Table 1 New and Changed Security Features for Cisco NX-OS Release 5.0(3)N1(1)

Feature

Description

Changed in Release

Where Documented

Dynamic ARP Inspection

Added information to configure Dynamic ARP Inspections.

5.0(3)N1(1)

Configuring Dynamic ARP Inspection
IP Source Guard Added information to configure IP Source Guard. 5.0(3)N1(1) Configuring IP Source Guard
This table summarizes the new and changed features documented in the Cisco Nexus 5000 Series NX-OS Security Configuration Guide, Release 5.0(2)N2(1), and tells you where they are documented.
Table 2 New and Changed Security Features for Cisco NX-OS Release 5.0(2)N2(1)

Feature

Description

Changed in Release

Where Documented

DHCP Snooping with Option 82

Added information about the support for optimized DHCP snooping in a vPC environment.

5.0(2)N2(1)

Configuring DHCP Snooping
This table summarizes the new and changed features documented in the Cisco Nexus 5000 Series NX-OS Security Configuration Guide, Release 5.0(2)N1(1), and tells you where they are documented.
Table 3 New and Changed Security Features for Cisco NX-OS Release 5.0(2)N1(1)

Feature

Description

Changed in Release

Where Documented

Command Authorization Support for TACACS+ Servers

Allows you to verify authorized commands for authenticated users using TACACS+

5.0(2)N1(1)

Configuring TACACS+
ACLs on VTY lines Allows you to restrict incoming and outgoing connections between a VTY line (into a Cisco Nexus 5000 Series switch) and the addresses in an access list, 5.0(2)N1(1) Configuring Access Control Lists
This table summarizes the new and changed features documented in the Cisco Nexus 5000 Series NX-OS Security Configuration Guide, and tells you where they are documented.
Table 4 New and Changed Security Features for Cisco NX-OS Release 4.2(1)N1(1)

Feature

Description

Changed in Release

Where Documented

AAA Command Authorization Allows you to authorize every command that a user can execute.

4.2(1)N1(1)

Configuring AAA
This table summarizes the new and changed features documented in the Cisco Nexus 5000 Series NX-OS Security Configuration Guide, and tells you where they are documented.
Table 5 New and Changed Security Features for Cisco NX-OS Release 4.1(3)N2(1)

Feature

Description

Changed in Release

Where Documented

IP ACL to mgmt0

Allows you to apply an IP ACL to the mgmt0 interface.

4.1(3)N2(1)

Configuring Access Control Lists

Global source interface for TACACS+

Allows you to configure the global source interface for all TACACS+ server groups that are configured on the device.

4.1(3)N2(1)

Configuring TACACS+

Global source interface for RADIUS

Allows you to configure the global source interface for all RADUS server groups that are configured on the device.

4.1(3)N2(1)

Configuring RADIUS

Documentation Organization

As of Cisco NX-OS Release 4.1(3)N2(1), the Nexus 5000 Series configuration information is available in new feature-specific configuration guides for the following information:


  • System Management

  • Layer 2 Switching

  • SAN Switching

  • Fibre Channel over Ethernet

  • Security

  • Quality of Service

The information in these new guides previously existed in the Cisco Nexus 5000 Series CLI Configuration Guide which remains available on Cisco.com and should be used for all software releases prior to Cisco Nexus 5000 NX-OS Software Rel 4.1(3). Each new configuration guide addresses the features that are introduced in or are available in a particular release. Select and view the configuration guide that pertains to the software installed in your switch.

The information in the new Cisco Nexus 5000 Series NX-OS Security Configuration Guide previously existed in Part 3: Switch Security Features of the Cisco Nexus 5000 Series CLI Configuration Guide.

For a complete list of Nexus 5000 Series document titles, see the list of Related Documentation in the "Preface."