Feedback
Table Of Contents
New and Changed Information for Cisco NX-OS Releases
New and Changed Information for Cisco NX-OS Release 5.2(1)N1(1)
New and Changed Information for Cisco NX-OS Release 5.1(3)N1(1)
New and Changed Information for Cisco NX-OS Release 5.0(3)N2(1)
New and Changed Information for Cisco NX-OS Release 5.0(3)N1(1)
New and Changed Information for Cisco NX-OS Release 5.0(2)N2(1)
New and Changed Information for Cisco NX-OS Release 5.0(2)N1(1)
New and Changed Information
This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 5000 Series NX-OS Security Command Reference. The latest version of this document is available at the following Cisco website:
http://www.cisco.com/en/US/products/ps9670/prod_command_reference_list.html
To check for additional information about this Cisco NX-OS Release, see the Cisco Nexus 5000 Series Switch Release Notes available at the following Cisco website:
http://www.cisco.com/en/US/products/ps9670/prod_release_notes_list.html
New and Changed Information for Cisco NX-OS Releases
This section includes the following topics:
•
New and Changed Information for Cisco NX-OS Release 5.2(1)N1(1)
•
•
•
•
•
New and Changed Information for Cisco NX-OS Release 5.2(1)N1(1)
summarizes the new and changed features for Cisco NX-OS Release 5.2(1)N1(1) and tells you where they are documented.
Table 1 New and Changed Information for Release 5.2(1)N1(1)
IPv6
Added support for IPv6.
New and Changed Information for Cisco NX-OS Release 5.1(3)N1(1)
summarizes the new and changed features for Cisco NX-OS Release 5.1(3)N1(1) and tells you where they are documented.
New and Changed Information for Cisco NX-OS Release 5.0(3)N2(1)
There are no new and changed features for Cisco NX-OS Release 5.0(3)N2(1).
New and Changed Information for Cisco NX-OS Release 5.0(3)N1(1)
summarizes the new and changed features for Cisco NX-OS Release 5.0(3)N1(1) and tells you where they are documented.
Table 3 New and Changed Information for Release 5.0(3)N1(1)
IP access group
Added the ip access-group command to apply an IPv4 access control list (ACL) to an interface as a router ACL.
5.0(3)N1(1)
IP Source Guard
This feature was introduced.
The following IP Source Guard commands for Layer 2 Ethernet interfaces were introduced:
•
•
5.0(3)N1(1)
ip verify source dhcp-snooping-vlan
Dynamic ARP Inspection (DAI)
This feature was introduced.
Added the following commands to configure dynamic Address Resolution Protocol (ARP) inspection (DAI) on a Cisco NX-OS switch:
•
•
•
5.0(3)N1(1)
clear ip arp inspection statistics vlan
show ip arp inspection interfaces
Unicast RPF
Added the ip verify unicast source reachable-via command to configure Unicast Reverse Path Forwarding (Unicast RPF) on an interface.
5.0(3)N1(1)
New and Changed Information for Cisco NX-OS Release 5.0(2)N2(1)
summarizes the new and changed features for Cisco NX-OS Release 5.0(2)N2(1) and tells you where they are documented.
Table 4 New and Changed Information for Release 5.0(2)N2(1)
Release 5.0(2)N2(1)
DHCP Snooping
You can configure DHCP snooping on switches and VLANs.
5.0(2)N2(1)
clear ip dhcp snooping binding
clear ip dhcp snooping statistics
ip dhcp packet strict-validation
ip dhcp snooping information option
ip dhcp snooping verify mac-address
show ip dhcp snooping statistics
New and Changed Information for Cisco NX-OS Release 5.0(2)N1(1)
summarizes the new and changed features for Cisco NX-OS Release 5.0(2)N1(1) and tells you where they are documented.
Table 5 New and Changed Information for Release 5.0(2)N1(1)
Release 5.0(2)N1(1)
Support for HTTP server
You can enable HTTP or Hypertext Transfer Protocol Secure (HTTPS) on a switch.
5.0(2)N1(1)
Privilege level
You can enable the cumulative privilege of roles for command authorization on RADIUS and TACACS+ servers.
You can also enable a user to move to a higher privilege level, or set a password for a specific privilege level.
5.0(2)N1(1)
ACLs on VTY
You can configure an access class to restrict incoming or outgoing traffic on a virtual terminal line (VTY).
5.0(2)N1(1)
Checkpoint and rollback
You can take a snapshot of the current running configuration or roll back to a specified checkpoint to restore the active configuration of the system.
5.0(2)N1(1)
show diff rollback-patch checkpoint
show diff rollback-patch running-config
show diff rollback-patch startup-config
SSH
You can set the number of login attempts that a user can try before being disconnected.
5.0(2)N1(1)