New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 7.x.

New and Changed Information

This table summarizes the new and changed features for the Cisco Nexus 9000 Series NX-OS System Management Configuration Guide, Release 7.x and tells you where they are documented.

Table 1. New and Changed Features for Cisco NX-OS Release 7.x

Feature

Description

Changed in Release

Where Documented

Link Layer Discovery Protocol (LLDP) Multi-Neighbor Support on an Interface

Added support for up to three (3) LLDP neighbors per interface.

7.0(3)I7(8)

Multiple LLDP Neighbors Per Physical Interface

Link Layer Discovery Protocol (LLDP) Support on Port-Channels

Added support for LLDP on interface port-channels.

7.0(3)I7(8)

Enabling or Disabling LLDP Support on Port-Channel Interfaces

MacSecPortLoopback test

Added support for the MacSecPortLoopback test on Cisco Nexus 9500 Series switches with the N9K-X9736C-FX line card.

7.0(3)I7(6)

Bootup Diagnostics

IEEE 802.1Qaz standards for DCBXP TLV

Added Support for the Cisco Nexus 9000 series switches.

7.0(3)I7(4)

About DCBXP

SNMP

Added support for the snmp-server counter cache timeout command.

7.0(3)I7(4)

Managing the SNMP Server Counter Cache Update Timer

NetFlow and SPAN

Added support for NetFlow and SPAN on Cisco Nexus 9336C-FX2 and Cisco Nexus 93240YC-FX2 switches.

7.0(3)I7(3)

Guidelines and Limitations for SPAN

MPLS stripping

Added the ability to tag VLAN to the packets going out of redirect ports.

7.0(3)I7(3)

About MPLS Stripping

Guidelines and Limitations for MPLS Stripping

Enabling MPLS Stripping

Configuration replace

Introduced this feature.

7.0(3)I7(3)

Performing Configuration Replace

NetFlow

Added support for the Cisco Nexus 9300-EX platform switches.

7.0(3)I7(2)

Configuring NetFlow

TAP aggregation

Added support for the Cisco Nexus 9500 platform switches with N9K-X9700-EX and N9K-X9700-FX line cards.

7.0(3)I7(2)

Guidelines and Limitations for TAP Aggregation

PTP

Added support for unicast communication on Cisco Nexus 9508 switches with N9K-X9636C-R, N9K-X9636C-RX, and N9K-X9636Q-R line cards.

7.0(3)F3(3)

Guidelines and Limitations for PTP

Configuring PTP Globally

Configuring PTP on an Interface

ERSPAN

Added the ability to make the ERSPANv3 header RFC compliant.

7.0(3)I7(1)

Configuring an ERSPAN Source Session

ERSPAN

Added the ability to truncate ERSPAN packets for Cisco Nexus 9300-EX and 9300-FX platform switches.

7.0(3)I7(1)

Configuring ERSPAN

NetFlow

Introduced this feature.

7.0(3)I7(1)

Configuring NetFlow

PTP

Added PTP support for the Cisco Nexus 9300-FX platform switches and PTP mixed mode support for Cisco Nexus 9396 switches.

7.0(3)I7(1)

Guidelines and Limitations for PTP

SPAN

Added SPAN support for multicast Tx traffic across different leaf spine engine (LSE) slices on Cisco Nexus 9300-EX platform switches.

7.0(3)I7(1)

SPAN

Added the ability to truncate SPAN packets for Cisco Nexus 9300-EX and 9300-FX platform switches.

7.0(3)I7(1)

Configuring SPAN

ERSPAN

Added support for IPv6 UDF–based ERSPAN.

7.0(3)I6(1)

Configuring UDF-Based ERSPAN

NTP

Added the ability to scan the access group options in the following order, from least restrictive to most restrictive: peer, serve, serve-only, query-only.

7.0(3)I6(1)

Guidelines and Limitations for NTP

Configuring NTP Access Restrictions

PTP

Added the ability to configure timestamp tagging.

7.0(3)I6(1)

Timestamp Tagging

PTP

Added support for offloading PTP sessions.

7.0(3)I6(1)

Guidelines and Limitations for PTP

Configuring PTP Globally

PTP

Updated support for PTP mixed and unicast mode.

7.0(3)I6(1)

Guidelines and Limitations for PTP

SNMP

Added the ability to configure the SNMP local engine ID.

7.0(3)I6(1)

Guidelines and Limitations for SNMP

Configuring the SNMP Local Engine ID

SPAN

Updated the SPAN guidelines and limitations for Cisco Nexus N9K-X9636C-R and N9K-X9636Q-R line cards.

7.0(3)F2(1)

Guidelines and Limitations for SPAN

sFlow

Updated the sFlow guidelines and limitations for Cisco Nexus N9K-X9636C-R and N9K-X9636Q-R line cards.

7.0(3)F2(1)

Guidelines and Limitations for sFlow

ERSPAN

Added Tx broadcast and multicast support for Layer 2 port sources.

7.0(3)I5(2)

Guidelines and Limitations for ERSPAN

SPAN

Added Tx broadcast and multicast support for Layer 2 port sources.

7.0(3)I5(2)

Guidelines and Limitations for SPAN

TAP aggregation

Added support for IPv4 ACLs with UDF–based match.

7.0(3)I5(2)

Guidelines and Limitations for TAP Aggregation

Support for IPv6 ACLs

Added support for IPv6 ACLs for tap aggregation.

7.0(3)I5(1)

Configuring a TAP Aggregation Policy

sFlow

Added support for the Cisco Nexus 9200 and 9300-EX Series switches.

7.0(3)I5(1)

Guidelines and Limitations for sFlow

DCBXP

Added support for the Cisco Nexus 9200 and 9300-EX Series switches.

7.0(3)I5(1)

About LLDP

GIR Enhancements

Added support for GIR enhancements.

7.0(3)I5(1)

Maintenance Mode Enhancements

PTP Unicast Mode

Updated support for PTP unicast mode.

7.0(3)I4(5)

Assigning Master Role

SNMP

Updated the MIBs information.

7.0(3)I4(2)

Enabling SNMP Notifications

SPAN

Added support for the CPU as a SPAN destination for Cisco Nexus 9300-EX Series switches.

7.0(3)I4(2)

Configuring SPAN

SNMP

Added the ability to span forward packet drops in the ingress pipeline for Cisco Nexus 9200 Series switches.

7.0(3)I4(1)

Enabling SNMP Notifications

ERSPAN

Added the ability to span forward packet drops in the ingress pipeline for Cisco Nexus 9200 Series switches.

7.0(3)I4(1)

Configuring ERSPAN

ERSPAN

Added the set-erspan-gre-proto and set-erspan-dscp actions to the ERSPAN ACL for Cisco Nexus 9200 Series switches.

7.0(3)I4(1)

Configuring ERSPAN

ERSPAN and SPAN

Added support for user-defined field (UDF)-based ERSPAN and UDF-based SPAN for Cisco Nexus 9200 Series switches.

7.0(3)I4(1)

Configuring ERSPAN and Configuring SPAN

ERSPAN and SPAN

Added support for the same source in multiple sessions.

7.0(3)I4(1)

Configuring ERSPAN and Configuring SPAN

ERSPAN and SPAN

Added support for multiple ACL filters on the same source for Cisco Nexus 9300 and 9500 Series switches.

7.0(3)I4(1)

Configuring ERSPAN and Configuring SPAN

SNMP

Added the ability to assign an IPv6 ACL to an SNMPv2 community or SNMPv3 user to filter SNMP requests.

7.0(3)I4(1)

Filtering SNMP Requests

SPAN

Added support for the CPU as a SPAN destination for Cisco Nexus 9200 Series switches only.

7.0(3)I4(1)

Configuring SPAN

LLDP

Added support for DCBXP.

7.0(3)I3(1)

Configuring LLDP

System message logging

Added the ability to configure the origin ID for syslog messages.

7.0(3)I3(1)

Configuring the Origin ID for Syslog Messages

Graceful insertion and removal (GIR)

Added shutdown support for vPC domains and isolate support for the PIM protocol.

7.0(3)I2(2)

Configuring Graceful Insertion and Removal

LLDP

Added the show lldp all command.

7.0(3)I2(2)

Configuring LLDP

ERSPAN

Added the allow-pfc option to the source interface command to allow the spanning of priority flow control (PFC) frames.

7.0(3)I2(1)

Configuring ERSPAN

ERSPAN

Added egress interface information to the output of the show monitor session command.

7.0(3)I2(1)

Configuring ERSPAN

ERSPAN

Added the ability to span forward packet drops in the ingress pipeline.

7.0(3)I2(1)

Configuring ERSPAN

ERSPAN

Adds the set-erspan-gre-proto and set-erspan-dscp actions to the ERSPAN ACL.

7.0(3)I2(1)

Configuring ERSPAN

ERSPAN and SPAN

Added support for user-defined field (UDF)-based ERSPAN and UDF-based SPAN.

7.0(3)I2(1)

Configuring ERSPAN and Configuring SPAN

Graceful insertion and removal (GIR)

Introduced this feature.

7.0(3)I2(1)

Configuring Graceful Insertion and Removal

MPLS stripping

Introduced this feature.

7.0(3)I2(1)

Configuring TAP Aggregation and MPLS Stripping

sFlow

Introduced this feature.

7.0(3)I2(1)

Configuring sFlow

Switch profiles (config-sync)

Introduced this feature.

7.0(3)I2(1)

Configuring Switch Profiles

PortLoopback test

Changed the behavior from on demand to periodic (running every 30 minutes).

7.0(3)I1(2)

Runtime or Health Monitoring Diagnostics

TAP aggregation

Added support for 100G ports.

7.0(3)I1(2)

Configuring TAP Aggregation and MPLS Stripping

Precision Time Protocol (PTP)

Added support for all Cisco Nexus 9000 Series and 3164Q hardware except for the 100G 9408PC line card and the 100G M4PC generic expansion module (GEM).

7.0(3)I1(2)

Configuring PTP

ERSPAN

Added support for ERSPAN Type III and 1588 timestamping in ERSPAN Type III packets.

7.0(3)I1(1)

Configuring ERSPAN

Precision Time Protocol (PTP)

Introduced this feature for the Cisco Nexus 9332PQ, 9396PX, and 93128TX switches; the Cisco Nexus 9504 and 9508 switches with all of the PTP ports on a single X9636PQ line card; and the Cisco Nexus 3164Q switch.

7.0(3)I1(1)

Configuring PTP

TAP aggregation

Introduced this feature.

7.0(3)I1(1)

Configuring TAP Aggregation and MPLS Stripping