New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 9000 Series NX-OS Unicast Routing Configuration Guide, Release 9.3(x).

New and Changed Information

This table summarizes the new and changed features for the Cisco Nexus 9000 Series NX-OS Unicast Routing Configuration Guide, Release 10.1(x).

Table 1. New and Changed Features

Feature

Description

Changed in Release

Where Documented

iBGP PE-CE

RFC 6368 adds support for configured external peers to be configured as iBGP.

10.1(2)

Configuring Advanced BGP

Range AS Support for BGP Interface Peering

Expands BGP interface peering configuration by allowing a route map, which can contain AS lists and ranges.

10.1(1)

Configuring BGP Interface Peering via IPv6 Link-Local for IPv4 and IPv6 Address Families

BGP Replace ASNs in AS Path

Replace or remove the BGP AS-path attribute in inbound and outbound route maps.

10.1(1)

Replacing BGP AS-path Attribute

Suppress Link Prefixes in IS-IS

Suppress the advertisement of unwanted interface addresses to improve convergence times.

10.1(1)

Suppressing Prefixes on an Interface

Advertising Only Passive Interface Prefixes

Policy-Based Routing (PBR) Fast Convergence

Achieve subsecond traffic convergence in the case of failure of a next-hop PBR address.

10.1(1)

Configuring PBR Fast Convergence