New and Changed Information
The following table provides an overview of the significant changes to the organization and features in this guide up to this current 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.
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Feature or Change |
Description |
Where Documented |
|---|---|---|
|
Dynamic L3Out EPG classification |
The Dynamic L3Out EPG Classification (DEC) feature is introduced to enable dynamic changes in pcTag with routing changes. |
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Route filtering and aggregation |
Cisco APIC provides option to summarize or filter routes that are advertised in a fabric to reduce the scale requirements of the fabric. |
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Support for bidirectional forwarding detection on a secondary IP address |
You can now configure bidirectional forwarding detection (BFD) on a secondary IP address. |
Configuring Bidirectional Forwarding Detection on a Secondary IP Address Using the GUI |
|
Feature or Change |
Description |
Where Documented |
|---|---|---|
|
Support for Layer 3 multicast on an SVI L3Out |
Support is available for Layer 3 multicast on an SVI L3Out. |
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Support for using different external VLAN encapsulations, where all of the different external encapsulation instances are treated as part of a single Layer 2 domain |
Support is now available for using different external VLAN encapsulations, where all of the different external encapsulation instances are treated as part of a single Layer 2 domain. |
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BGP Underlay for Multi-Pod and Remote Leaf |
BGP is available as an alternative to OSPF for the IPN underlay. |
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Multi-Pod Spines Back-to-Back |
In some cases, two pods can be interconnected directly ("back-to-back") without using an IPN device. |
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Micro BFD |
Micro BFD establishes individual BFD sessions on each member link of a port channel for faster failure detection and easier troubleshooting. |
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Feature or Change |
Description |
Where Documented |
|---|---|---|
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Remote Leaf Back-to-back Connection |
Connect Remote Leaf switch pairs directly to each other ("back-to-back") by fabric links to carry local east-west traffic. |
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Site-of-Origin (SoO) |
The SoO is a BGP extended community attribute that uniquely identifies the site from which a route is learned in order to prevent routing loops. |
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Disabling dataplane IP address learning for specific endpoints or subnets |
You can now disable dataplane IP address learning for specific endpoints or subnets for more granular control. |
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