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New and Changed Information
This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 7000 Series NX-OS System Management Command Reference. The latest version of this document is available at the following Cisco website:
To check for additional information about Cisco NX-OS Release 6.0, see the Cisco NX-OS Release Notes available at the following Cisco website:
http://www.cisco.com/en/US/docs/switches/datacenter/sw/6_0/nx-os/release/notes/6x_nx-os_release_note.htmlTable 1 summarizes the new and changed features for the Cisco Nexus 7000 Series NX-OS System Management Command Reference, and tells you where they are documented.
Table 1 New and Changed Features for Release 6.x
flow timeout
Added the seconds argument for the syntax description and also the note.
6.1(2)
Energy Efficient Ethernet
This command was introduced.
6.1(2)
This command was introduced.
6.1(2)
This command was introduced.
6.1(2)
This command was introduced.
6.1(2)
header-type
This command was introduced.
6.1(1)
monitor erspan granularity
This command was introduced.
6.1(1)
mtu
Starting with 6.1, MTU truncation also support ERSPAN session.
6.1(1)
sampling
This command was introduced.
6.1(1)
show flow timeout
Changed the command output.
6.1(1)
ptp source
vrf option is deprecated in Cisco NX-OS 6.1(1) release.
6.1(1)
show monitor session
Changed the command output for erspan-source sessions.
6.1(1)
NetFlow hardware
The show hrdware ip command has been changed to the show hardware flow command.
6.0(1)
Flexible Netflow
The show flow monitor command has been changed to the show flow-sw monitor command.
6.0(1)
Callhome
Added the ability to send HTTP messages through an HTTP proxy server.
5.2(1)
transport http proxy enable
transport http proxy serverEEM event correlation
Added support for multiple event triggers in a single EEM policy.
5.2(1)
Logging
Added the ability to support descriptions for physical Ethernet interfaces and subinterfaces in the system message log.
5.2(1)
Network Time Protocol
Changed the [no] ntp enable command to the [no] feature ntp command.
Added the ability to configure the device as the NTP authoritative server, enabling it to distribute time even if it is not synchronized to an existing time server.
5.2(1)
Precision Time Protocol
Added support for PTP is a time synchronization protocol nodes distributed across a network. This protocol provides greater accuracy than other time synchronization protocols.
5.2(1)
feature ptp
ptp announce
ptp delay-request minimum interval
ptp domain
ptp priority1
ptp priority1
ptp priority2
ptp source
ptp sync interval
ptp vlan
show ptp brief
show ptp clock
show ptp clock foreign-masters-record
show ptp corrections
show ptp parent
show ptp port
show ptp time-property
SPAN Monitor
Added the ability to configure MTU truncation, the source rate limit, and the multicast best effort mode for each SPAN session and the ability to configure MTU truncation and the multicast best effort mode for each ERSPAN session.
5.2(1)
Encapsulated Remote Switched Port Analyzer (ERSPAN)
You can now configure and monitor ERSPAN for analyzing traffic between ports.
5.1(1)
erspan-id
filter access-group
ip access-list
ip dscp
ip ttl
monitor erspan origin ip-address
monitor erspan granularity
vrfAAA MSCHAP V2 authentication
Added the mschapv2 keyword to the aaa authentication login default and show authentication commands.
4.2(1)
AAA accouting log
Added the last-index and start-seqnum keywords to the show accounting log command.
4.2(1)
802.1x authentication
Added the dot1x pae authenticator command.
4.2(1)
RADIUS statistics
Added the clear radius-server statistics command.
4.2(1)
TACACS+ statistics
Added the clear tacacs-server statistics command.
4.2(1)
TACACS+ command authorization
Added the following commands to support TACACS+ command authorication:
•
aaa test authorization command-type
•
•
•
•
4.2(1)
Port Security
Changed the following commands to support support port security on port-channel interfaces:
•
•
•
•
•
•
•
•
4.2(1)
IP ACLs
Added the fragments command to support optimization of fragment handling during IP ACL processing.
4.2(1)
MAC ACLs
Added or changed the following commands to support MAC packet classification:
•
•
•
4.2(1)
Cisco Fabric Services
Cisco Fabric Services (CFS) distributes data, including configuration changes, to all Cisco NX-OS devices in a network.
4.1(2)
abort (Call home)
cfs distribute
cfs ipv4
cfs ipv4
cfs region
commit (Call home)
distribute
show cfs application
show cfs lock
show cfs merge status
show cfs peers
show cfs regions
show cfs status
show tech-support cfsEthernet Switched Port Analyzer
Cisco Ethernet switched port analyzer (SPAN) destinations are enhanced to support intrusion detection by allowing the following:
•
•
4.1(2)
Call Home
Call Home is enhanced to support the distribution of configurations using CFS.
4.1(2)
abort (Call home)
cfs distribute
cfs ipv4
cfs region
commit (Call home)
distribute
show cfs application
show cfs lock
show cfs merge status
show cfs peers
show cfs regions
show cfs status
show tech-support cfsLocator LEDs
Locator LEDs can be configured to blink to help locate them on the system.
4.1(2)
Online diagnostics (GOLD)
Cisco online diagnostics are enhanced to provide viewing of events, and to display diagnostic information in the output of the show module command.
4.1(2)
Syslog
Syslog facilities are updated to include: AMT, CFS, DCBX, LISP, Routing IPv6 Multicast, and Routing Multicast.
4.1(2)
NTP
Added the ntp enable command.
4.0(3)
New show hardware fabric-utilization commands
Adds commands to view hardware fabric utilization.
4.0(3)
SNMP
Added the snmp-server aaa-user cache-timeout and snmp-server protocol commands.
4.0(3)
SNMP—Multiple Instance Support
Adds commands for SNMP context to logical network entity mapping, including protocol instances and virtual routing and forwarding (VRF) instances.
4.0(2)
New NetFlow show commands
Adds commands to view NetFlow hardware flows.
4.0(2)