Cisco Security Configuration Guide

Https://www.cisco.com/c/en/us/td/docs/switches/datacenter/nexus9000/sw/7-x/security/configuration/guide/b_ Cisco_nexus_9000_series_nx-os_security_configuration_guide_7x/b_cisco_nexus_9000_series_nx-os_security_ Configuration_guide_7x_chapter_01.html

Feature	Description	Changed in Release	Where documented
IP ACLs	Added IPV6 Wildcard mask support for access lists and object groups for Cisco Nexus 9200, 9300-ex, and 9300-fx/fx2/fxp SWI Tches and the Cisco Nexus 9364C switch.	Nx-os 7.0 (3) I7 (3)	Creating an IP ACL Creating and changing an IPv6 Address Object Group
MACsec fallback key	Introduced this feature.	Nx-os 7.0 (3) I7 (3)	Configuring MACsec Fallback Key
Ssh	Added new SSH commands for enabling legacy security algorithms.	Nx-os 7.0 (3) I7 (3)	Configuring Legacy SSH Algorithm Support
Unicast RPF	Introduced this feature for Cisco Nexus 9300 platform Switches.	Nx-os 7.0 (3) I7 (3)	Configuring Unicast RPF
Configuring System ACLs	Added support for configuring system ACLs on the Cisco Nexus 9500 Series switches with-r And-rx line cards.	7.0 (3) F3 (4)	About System ACLs
IPv4 Pacls	Added support for configuring IPV4 Pacls in the range of 12k to 64k on a Cisco Nexus 9500 Series switches With-rx Line Card S.	7.0 (3) F3 (4)	Guidelines and limitations for IP ACLs
Unicast RPF	Introduced this feature for the Cisco Nexus 9500 Series switches with N9k-x9636c-r and N9k-x963q-r line cards.	7.0 (3) F2 (1)	Configuring Unicast RPF
MACsec	Introduced this feature for Cisco Nexus 9500 Series switches with the N9K-X9736C-FX line card.	7.0 (3) I7 (2)	Configuring MACSEC
802.1X	Introduced this feature.	7.0 (3) I7 (1)	Configuring 802.1X
Traffic Storm control	Added the ability to enable packets per second for Cisco Nexus 9500 Series switches with 94xx line cards and Cisco Nexus 9 Series switches.	7.0 (3) I7 (1)	Configuring Traffic Storm Control
Option 82	Introduced this feature.	7.0 (3) I7 (1)	DHCP snooping Option Insertion Data
First-hop Security	Introduced this feature.	7.0 (3) I7 (1)