New and Changed Information

New and Changed Information

Table 1. New and Changed Features

Feature

Description

Changed in Release

Where Documented

Class E IP Address

Added support for configuring NX-OS feature using class E IP address

10.4(2)F

Guidelines and Limitations for IPv4

Ability to limit ARP cache for L3 interfaces

Added ip arp cache intf-limit command to configure the number of maximum ARP cache entries allowed per interface.

10.4(2)F

Guidelines and Limitations for IPv4

Configuring ARP Cache Limit Per SVI Interface

Keychain support for OSPFv3

Keychain support is provided for OSPFv3 encryption and authentication commands. We recommend configuring keys with Type-6 encrypted format in keychain configuration.

10.4(1)F

Authentication and Encryption

Guidelines and Limitations for OSPFv3

Configuring Encryption and Authentication

Configuration Examples for OSPFv3

Support ARP response for out-of-subnet

Added ip arp outside-subnet command to allow ARP packet processing, learning ARP entries and sending response for out of subnet traffic.

10.4(1)F

Guidelines and Limitations for IPv4

Configuring Out of Subnet ARP Resolution

Multi VRF support

Added support for Multi VRF on the following switches and line cards:

  • Cisco Nexus 9804 switches

  • Cisco Nexus X98900CD-A and X9836DM-A line cards with 9808 and 9804 switches.

10.4(1)F

Guidelines and Limitations for VRFs

IPv4 and IPv6 Static Routing

Added support for Static routing on the following switches and line cards:

  • Cisco Nexus 9804 switches

  • Cisco Nexus X98900CD-A and X9836DM-A line cards with 9808 and 9804 switches.

10.4(1)F

Guidelines and Limitations for IPv4

Guidelines and Limitations for IPv6

IPv4 and IPv6 Dynamic Routing

Added support for Dynamic routing on the following switches and line cards:

  • Cisco Nexus 9804 switches

  • Cisco Nexus X98900CD-A and X9836DM-A line cards with 9808 and 9804 switches.

10.4(1)F

Guidelines and Limitations for IPv4

Guidelines and Limitations for IPv6

OSPF

Added support for OSPF on the following switches and line cards:

  • Cisco Nexus 9804 switches

  • Cisco Nexus X98900CD-A and X9836DM-A line cards with 9808 and 9804 switches.

10.4(1)F

Guidelines and Limitations for OSPFv2

Guidelines and Limitations for OSPFv3

EIGRP

Added support for EIGRP on the following switches and line cards:

  • Cisco Nexus 9804 switches

  • Cisco Nexus X98900CD-A and X9836DM-A line cards with 9808 and 9804 switches.

10.4(1)F

Guidelines and Limitations for EIGRP

BGP

Added support for BGP on the following switches and line cards:

  • Cisco Nexus 9804 switches

  • Cisco Nexus X98900CD-A and X9836DM-A line cards with 9808 and 9804 switches.

10.4(1)F

Guidelines and Limitations for Basic BGP

Guidelines and Limitations for Advanced BGP

Route leak between VRFs

Added support for Route leak between VRFs on the following switches and line cards:

  • Cisco Nexus 9804 switches

  • Cisco Nexus X98900CD-A and X9836DM-A line cards with 9808 and 9804 switches.

10.4(1)F

Guidelines and Limitations for VRF Route Leaking

Unicast consistency checker

Added support for Unicast consistency checker on the following switches and line cards:

  • Cisco Nexus 9804 switches

  • Cisco Nexus X98900CD-A and X9836DM-A line cards with 9808 and 9804 switches.

10.4(1)F

Guidelines and Limitations for the Unicast RIB