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Cisco APIC Layer 2 Networking Configuration Guide, Release 6.1(x)

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Updated:: December 16, 2025

Chapter: New and Changed

New and Changed
New and Changed Information

New and Changed

This chapter contains the following section:

New and Changed Information

This table provides an overview of the significant changes to this guide for this release. The table does not provide an exhaustive list of all changes made to the guide or of the new features up to this release.

Table 1. New Features and Changed Information for Cisco APIC 6.1(5)
Feature	Description	Where Documented
QDD-2X100-LR4-S support on N9K-C9332D-GX2B	2X100G-LR4-S optic is the only optic that is supported for breakout map 2X100.this breakout can be applied using the policy 2X100G NRZin 615 2X100G breakout works only on N9K-C9332D-GX2B Platform.The 2X100G is supported only on ACCESS/TRUNK ports and NOT on FABRIC ports	Configuration of Breakout Ports
MACsee support 1G/100M ports in ACI mode for Nexus 9000 series	MACsec support on 1G/100M ports in ACI mode for Nexus 9000 series C9348GC-FX3 and C93180YC-FX3 switches.	Guidelines and Limitations for MACsec on switches

Table 2. New Features and Changed Information for Cisco APIC 6.1(3)
Feature	Description	Where Documented
Extended minimum number of links for port channel	Using the lacp min-links configuration you can now configure 32 minimum number of links to be active for the port-channel to be active. The FEX and SAN port-channel will continue to support only 16 members.	Cisco ACI Leaf Switch Port Channel Configuration Using the GUI
Attachable Entity Profile Through the Tenant Hierarchy	Associate an application with the attached entity profile to deploy an EPG over all the ports associated with this attached entity profile through the tenant hierarchy	Deploying an EPG through an AEP to Multiple Interfaces Using the APIC GUI

Table 3. New Features and Changed Information for Cisco APIC 6.1(2)
Feature	Description	Where Documented
Port channel dynamic load balancing	Port channel dynamic load balancing (DLB) is a networking technique that distributes traffic across multiple links in a port channel based on the load of each link. Port channel DLB adjusts traffic distribution on the links of a port channel based on the current load of the links. The switch monitors the egress traffic load on each link and selects the link with the least utilization to distribute the traffic. Port channel DLB results in efficient traffic distribution and improved network performance.	Port channel dynamic load balancing

Table 4. New Features and Changed Information for Cisco APIC 6.1(1)
Feature	Description	Where Documented
N/A	Added a restriction to configuring port profiles using similar LEM types.	Configuring Port Profiles
N/A	This document has no changes from the previous release.	N/A

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