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 10.2(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 10.2(x) and where they are documented.

Table 1. New and Changed Features

Feature

Description

Changed in Release

Where Documented

Type 6 password portability across devices with same Primary key & Primary key encryption using TAM Added support for authentication keys using Type-6 encryption for better protection. 10.2(3)F Configuring a Primary Key and Enabling the AES Password Encryption Feature

Configuration Examples for Password Encryption

Increase ACL LOU threshold

Added support for configurable LOU threshold limit for ACL configuration on Cisco Nexus 9500-R platform switches.

10.2(3)F

Logical Operators and Logical Operation Units

Guidelines and Limitations for IP ACLs

Verifying the IP ACL Configuration

Egress CoPP support

Added egress CoPP supported platform switches.

10.2(3)F

Guidelines and Limitations for CoPP

Egress CoPP

Configuring ARP ACL Filtering for Egress CoPP

Configuring IP ACL Filtering for Egress CoPP

Egress Filtering on Subinterfaces

Added support for Layer 3 subinterface egress router ACL on Cisco Nexus 9300-FX3, 9300-GX, and 9300-GX2 platform switches

10.2(3)F

Guidelines and Limitations for IP ACLs

DHCPv6 Prefix Delegation support

Added a new CLI to add static v6 route for v6 Delegated Prefix so that prefix is routable from switch.

10.2(3)F

IPv6 Availability for Delegated Prefix Through the v6 Relay Agent

Enabling or Disabling the DHCPv6 Relay Agent

Verifying the DHCP Configuration

Clearing DHCPv6-PD Binding

Disable Security and SNMP User Synchronization

Added a new CLI to allow you to disable the user synchronization between the SNMP and security components.

10.2(2)F

Guidelines and Limitations for AAA

Guidelines and Limitations for SSH and Telnet

Configuring X.509v3 Certificate-Based SSH Authentication

Guidelines and Limitations for User Accounts and RBAC

Configuring User Accounts

DHCP non-tlv format

Added a new CLI to allow you to remove suboptions of Option 82 information.

10.2(2)F

Enabling or Disabling Option 82 for the DHCP Relay Agent

Enabling or Disabling Option 82 Data Insertion and Removal

NDB: Egress Filtering support

Added support for Egress PACL on Cisco on Cisco Nexus 9300-GX as well as N9K-C93108TC-FX3P and N9K-C93180YC-FX3 platform switches.

10.2(2)F

Guidelines and Limitations for IP ACLs

MACsec

Added support for MACsec on Cisco N9K-C9332D-GX2B platform switches.

10.2(1q)F

Guidelines and Limitations for MACsec

VLAN ACLs

Added support for VLAN ACLs on Cisco N9K-C9332D-GX2B platform switches.

10.2(1q)F

Guidelines and Limitations for VACLs

Cisco AV Pair

SNMPV3 attributes can be mentioned before the shell:roles attribute in
cisco-av-pair

10.2(1)F

Guidelines and Limitations for AAA

Disable Secure Channel Identifier

Secure Channel Identifier (SCI) can be disabled from MACSec security tag (SecTAG)

10.2(1)F

Guidelines and Limitations for MACsec

Verifying the MACsec Configuration

DHCPv6 SMART Relay

Added DHCPv6 SMART Relay feature

10.2(1)F

DHCPv6 Smart Relay Agent

Guidelines and Limitations for DHCPv6 Smart Relay

Enabling or Disabling DHCPv6 Smart Relay Globally

Enabling or Disabling DHCPv6 Smart Relay on a Layer 3 Interface

Support MACSec on LC-G

Added PID support to MACsec

10.2(1)F

Guidelines and Limitations for MACsec

DACL

Added Per-User DACL feature

10.2(1)F

About Per-User DACLs

Guidelines and Limitations for Per-User DACL Support for 802.1X

Configuring Per-User DACLs

Configuration Example for Per-User DACL

Egress PACL

Added PID support to Egress PACL

10.2(1)F

Guidelines and Limitations for IP ACLs