What‘s New in this Document

This document is released with the SLX-OS 20.2.1a software release. The following table identifies topics that are new or updated for the release.

Table 1. Summary of changes

Feature	Description	Described in
VRRP MAC Address	Number of supported VMACs is changed to 13.	SLX-OS VRRP MAC Address Support
OSPFv3 graceful restart	New feature for this release.	OSPFv3 Graceful Restart
DHCPv4 snooping	New feature for this release.	DHCPv4 Snooping Dynamic ARP Inspection and DHCP Snooping IP Source Guard and DHCP Snooping
ICMP Router Discovery Protocol	New feature for this release.	IPv4 ICMP Router Discovery Protocol