What‘s New in this Document

This document is released with the SLX-OS 20.3.1 software release. The following table identifies topics that are new or updated for the release.

Table 1. Summary of changes
Feature	Description	Described in
Support for Multiple Name Servers	Support for adding up to six (6) DNS name servers for each domain name configuration to provide DNS redundancy.	Domain Name System
BGP Resource Public Key Infrastructure	Support for BGP RPKI added.	BGP Resource Public Key Infrastructure (RPKI)
BGP Unified Routing	Support for unified routing on BL devices.	BGP Unified Routing (EVPN-VPNv4/VPNv6 Interconnect)
Redundant DNS Servers	Support for configuring up to six (6) IPv4/IPv6 DNS servers for the domain.	Domain Name System