New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 9000 Series NX-OS Security Guide, Release 10.1(x).

New and Changed Information

This table summarizes the new and changed features for the Cisco Nexus 9000 Series NX-OS Security Configuration Guide, Release 10.1(x) and where they are documented.

Table 1. New and Changed Features

Feature

Description

Changed in Release

Were Documented

Unicast RPF

Added support for Nexus 9300-GX/GX2 series switches, Cisco Nexus 9500 series switches with EX/FX linecards, and ToR and EoR switches that support vPC

10.1(2)

Guidelines and Limitations for Unicast RPF

Critical Authentication

Added support for critical authentication support. The 802.1X critical authentication on a port, accommodates 802.1X users that failed authentication when RADIUS servers in their ISP domain weren’t reachable.

10.1(1)

Critical Authentication

DHCP Relay with Dynamic ARP Inspection

Added support for enabling DHCP Relay with DAI. This is supported on the 9200 platform switches, 9300-EX platform switches, and 9300-FX platform switches.

10.1(1)

DHCP Relay with Dynamic ARP Inspection