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 10.3(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 10.3(x) and where they are documented.

Table 1. New and Changed Features

Feature

Description

Changed in Release

Where Documented

ECC key pair

Added Elliptic Curve Cryptography key pair support for generating and import/enrollment of certificate.

10.3(3)F

Guidelines and Limitations for PKI

Generating an ECC Key Pair

Expanded support for Type-6 password encryption

Added Type-6 encryption support for RPM legacy keychain.

10.3(3)F

Guidelines and Limitations for Password Encryption

Configuring a Primary Key and Enabling the AES Password Encryption Feature

Configuring Text for a Key

Configuration Example for Keychain Management

SGT forwarding support

Added support for SGT forwarding on Cisco Nexus 9500 switches with N9K-X97160YC-EX line card.

10.3(3)F

SGT Tagged Packet

MACsec Cipher key enforcement

MACsec Cipher key enforcement feature provides the option to define the supported cipher suites from the most preferred to the least preferred.

10.3(3)F

Guidelines and Limitations for MACsec

Configuring a MACsec Policy

Configuration Example for MACsec

Nested CA bundle with gNMI

Added support to import CA certificate.

10.3(3)F

Import of the CA Certificate Bundle in PKCS7 Format

Autocomplete ACL name

Added auto name complete support for ACL names on Cisco Nexus 9000 Series platform switches.

10.3(3)F

Guidelines and Limitations for IP ACLs

Port-security support with VXLAN EVPN (Single VTEP)

L2 Port security feature is supported on VXLAN BGP EVPN (single VTEP).

10.3(3)F

Port Security Support for VXLAN EVPN

Uprev all OC model to the latest version - AAA

Added password criteria to configure AAA for RADIUS and TACACS+.

10.3(3)F

Configuring Default Login Authentication Methods

Option to prioritize storm control policer over L3 control packet policers

Introduced a command to prioritize storm-control policer over the CoPP policer for Layer 3 control frames.

10.3(3)F

Guidelines and Limitations for Traffic Storm Control

Prioritizing Storm-control Policer Over the CoPP Policer

MACsec support on 9408 with LEM modules

Added support for MACsec on Cisco Nexus 9408 with LEM modules N9K-X9400-16W and N9K-X9400-8D on all supported links.

10.3(2)F

Guidelines and Limitations for MACsec

Primary key enablement within configuration mode

Added support to configure primary key using DME payload and non-interactive mode.

10.3(2)F

Configuring a Primary Key and Enabling the AES Password Encryption Feature

BGP: RPKI Support

An RPKI database is used by BGP to validate origin-AS.

10.3(2)F

Resource Public Key Infrastructure (RPKI)

Storm Control on Layer 3 Interfaces​

Added support for Traffic Storm Control on Layer 3 interfaces.

10.3(2)F

Configuring Traffic Storm Control

Source CoPP ACLs on Nexus 9504/9508 with -R line cards

Added support for source IP based filtering for CoPP on Cisco Nexus 9504 and 9508 switches with R/RX line cards.

10.3(2)F

Guidelines and Limitations for CoPP

MAB, Critical Authentication, and Multi-auth support

Added support for MAB, critical authentication, and multi-auth on Cisco Nexus 9508 switches with N9K-X9788TC-FX, and N9K-X97160YC-EX line cards.

10.3(2)F

802.1X Guidelines and Limitations

Guidelines and Limitations for Critical Authentication

AAA

Added support for AAA on Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for AAA

RADIUS

Added support for RADIUS on Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for RADIUS

TACACS+

Added support for TACACS+ on Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for TACACS+

LDAP

Added support for LDAP on Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for LDAP

MACsec

Added support for MACsec on N9K-X9836DM-A line card of Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for MACsec

ACL Consistency Checker

Added support for ACL Consistency Checker on Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for IP ACLs

ACL - Sup, CoPP

Added support for CoPP ACL on Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for CoPP

RACL(Ingress/Egress/v4/v6) with stats – (no UDF support)

Added support for RACL (Ingress-IPv4/IPv6 and Egress-IPv4/IPv6) with statistics on Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for IP ACLs

DHCP relay

Added support for DHCP relay on Cisco Nexus 9808 platform switches.

10.3(1)F

Guidelines and Limitations for DHCP

RadSec support

RadSec support is provided on Cisco Nexus 9000 Series switches to secure the communication between RADIUS/TCP peers at the transport layer.

10.3(1)F

Guidelines and Limitations for RadSec

Configuring RadSec

Type-9 scrypt encryption support

Type 8 and type 9 password hash is supported on Cisco Nexus 9000 Series switches.

10.3(1)F

Guidelines and Limitations for User Accounts and RBAC

Configuring User Accounts

Check for password restrictions

Consecutive characters check in passwords is supported on Cisco Nexus 9000 Series switches.

10.3(1)F

Verifying the AAA Configuration

Guidelines and Limitations for User Accounts and RBAC

Enabling Consecutive Characters Check in Passwords

ITD NAT support on non-default VRF

ITD NAT VRF configuration is provided on Cisco Nexus 9300-GX platform switches.

10.3(1)F

Guidelines and Limitations for IP ACLs

Configuring ACL TCAM Region Sizes