New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 2000 Series NX-OS Fabric Extender Configuration Guide for Cisco Nexus 9000 Series Switches.

New and Changed Information

Table 1. New and Changed Features

Feature

Description

Changed in Release

Where Documented

FEX

Added Straight through FEX support on the Cisco Nexus 9300-FX switches.

7.0(3)I7(3)

Guidelines and Limitations for the Fabric Extender

Cisco Nexus 9300, 9300-EX, and 9500 platform switches switches as the parent switch

The 2332TQ FEX module supports Cisco Nexus 9300, 9300-EX, and 9500 platform switches as the parent switch

7.0(3)I7(1)

Guidelines and Limitations for the Fabric Extender

Layer 3 Support

Layer 3 routing is supported on FEX interfaces, subinterfaces, and port-channel interfaces on following Cisco Nexus 9300-EX platform switches

7.0(3)I7(1)

Guidelines and Limitations for the Fabric Extender

FEX support on breakout ports

FEX support on breakout ports is added on platforms and ports that support FEX and are breakout capable

7.0(3)I7(1)

Guidelines and Limitations for the Fabric Extender

Static routes and all routing protocols on FEX Layer 3 ports

Support is added for static routes and all routing protocols on FEX Layer 3 ports

7.0(3)I7(1)

Guidelines and Limitations for the Fabric Extender

Replay (ASCII and POAP)

Added replay support for ASCII and POAP

7.0(3)I7(1)

Guidelines and Limitations for the Fabric Extender

Locator LED

Added support for locator LED.

7.0(3)I7(1)

Configuring Fabric Extender Global Features

Limitation to Layer 3 on FEX interfaces

Limitations apply to Layer 3 support on FEX interfaces for all platforms.

7.0(3)I7(1)

Guidelines and Limitations for the Fabric Extender

2348TQ-E

Added support for the 2348TQ-E Fabric Extender

7.0(3)I6(1)

Guidelines and Limitations for the Fabric Extender

N9K-C93108TC-EX and N9K-C93180LC-EX switch support

Added support for N9K-C93108TC-EX and N9K-C93180LC-EX switches

7.0(3)I6(1)

Guidelines and Limitations for the Fabric Extender

Dual-homed FEX topology (Active/Active FEX topology)

Introduced this feature.

7.0(3)I5(2)

Dual-Homed FEX Topology (Active-Active FEX Topology)

FEX

Added Layer 3 support for FEX port-channel interfaces on Cisco Nexus 9300 Series switches.

7.0(3)I5(2)

Guidelines and Limitations for the Fabric Extender

N9K-C93180YC-EX switch support

Added support for the N9K-C93180YC-EX switch.

7.0(3)I5(1)

Guidelines and Limitations for the Fabric Extender

Switch vPC Topology and Straight Through FEX Topologies (Host vPC)

Enables each FEX to be single-homed (straight-through FEX topology) with a Cisco Nexus 9000 Series switch.

The host interfaces on the FEX are configured as port channels and those port channels are configured as vPCs.

7.0(3)I5(1)

Switch vPC Topology and Straight Through FEX Topologies (Host vPC)

FEX

Added Layer 3 support for FEX interfaces and subinterfaces on Cisco Nexus 9300 Series switches.

7.0(3)I4(2)

Guidelines and Limitations for the Fabric Extender

Support for In Service Software Upgrade (ISSU)

Added support for In Service Software Upgrade (ISSU).

7.0(3)I4(1)

Guidelines and Limitations for the Fabric Extender

FEX

Added support for N2K-2348TQ, N2K-C2348UPQ, NB22IBM, and NB22FTS.

7.0(3)I2(1)

Oversubscription

FEX

Added support for Cisco Nexus 9500 Series switches and X9464PX and X9564PX line cards.

7.0(3)I1(2)

Guidelines and Limitations for the Fabric Extender

Cisco Discovery Protocol (CDP)

Added support on FEX HIF port channels.

7.0(3)I1(2)

Protocol Offload

No updates since release 6.x

7.0(3)I1(1)