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Cisco Nexus 5000 Series NX-OS Layer 2 Interfaces Command Reference

Bias-Free Language

The documentation set for this product strives to use bias-free language. For the purposes of this documentation set, bias-free is defined as language that does not imply discrimination based on age, disability, gender, racial identity, ethnic identity, sexual orientation, socioeconomic status, and intersectionality. Exceptions may be present in the documentation due to language that is hardcoded in the user interfaces of the product software, language used based on RFP documentation, or language that is used by a referenced third-party product. Learn more about how Cisco is using Inclusive Language.

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Book Title

Cisco Nexus 5000 Series NX-OS Layer 2 Interfaces Command Reference

Chapter Title

New and Changed Information

Results

Updated:
January 26, 2018

Chapter: New and Changed Information

New and Changed Information

New and Changed Information

This chapter provides release-specific information for each new and changed feature in the Cisco Nexus 5000 Series NX-OS Layer 2 Interfaces 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)N(1)

Table 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 5.0(3)N2(1)

Feature
Description
Where Documented

Dynamic system reserved VLAN range

This feature was introduced.

system vlan reserve

show system vlan reserved

New and Changed Information for Cisco NX-OS Release 5.1(3)N1(1a)

Table 2 summarizes the new and changed features for Cisco NX-OS Release 5.2(1)N1(1a) and tells you where they are documented.

 

Table 2 New and Changed Information for Release 5.0(3)N2(1)

Feature
Description
Where Documented

VLAN configuration

This feature was introduced.

vlan configuration

New and Changed Information for Cisco NX-OS Release 5.1(3)N1(1)

Table 3 summarizes the new and changed features for Cisco NX-OS Release 5.1(3)N1(1) and tells you where they are documented.

 

Table 3 New and Changed Information for Release 5.1(3)N1(1)

Feature
Description
Where Documented

Adapter Fabric Extender (Adapter-FEX)

This feature was introduced.

The following Adapter-FEX commands were introduced:

  • feature-set virtualization
  • interface vethernet
  • bind
  • vethernet auto-create
  • show interface vethernet counters
  • show interface vethernet
  • show running-config interface vethernet

The following Adapter-FEX-related commands were updated:

  • shutdown
  • switchport mode
  • show running-config interface

bind (virtual Ethernet interface)

feature-set virtualization

interface vethernet

shutdown

switchport mode

vethernet auto-create

show interface vethernet

show running-config interface

Encapsulated Remote Switched Port Analyzer (ERSPAN)

This feature was introduced.

The following commands were introduced:

  • destination (ERSPAN)
  • erspan-id
  • monitor erspan origin ip-address
  • shut (ERSPAN)
  • vrf (ERSPAN)

The following commands were updated:

  • description (SPAN, ERSPAN)
  • monitor session
  • source (SPAN, ERSPAN)
  • show monitor session

description (SPAN, ERSPAN)

destination (ERSPAN)

erspan-id

monitor erspan origin ip-address

monitor session

shut (ERSPAN)

source (SPAN, ERSPAN)

vrf (ERSPAN)

show monitor session

Clock protocol

This feature was introduced to synchronize the clock protocol.

The following command was added:

  • clock protocol

clock protocol

Virtual Ethernet interfaces

This feature was introduced.

bind (virtual Ethernet interface)

capability (virtual Ethernet interface)

cdp enable

default shutdown (virtual Ethernet interface)

description (interface)

high-performance host-netio (virtual Ethernet interface)

install feature-set virtualization

interface vethernet

pinning id (virtual Ethernet interface)

shutdown

switchport access vlan

switchport block

switchport mode

switchport mode private-vlan host

switchport private-vlan host-association

switchport private-vlan mapping

switchport trunk allowed vlan

switchport trunk native vlan

vethernet auto-create

vmware (virtual Ethernet interface)

vsi (virtual Ethernet interface)

svs veth auto-delete

svs veth auto-setup

show interface vethernet

show interface vethernet counters

show interface virtual

Cisco Virtual Machine Fabric Extender (VM-FEX)

This feature was introduced.

feature vmfex

feature-set virtualization

install feature-set virtualization

interface vethernet

Multicast VLAN Registration (MVR)

This feature was introduced.

mvr group

mvr type

mvr vlan

show mvr

show mvr groups

show mvr interface

show mvr members

show mvr receiver-ports

show mvr source-ports

Ethernet Port Security

This feature was introduced.

clear port-security dynamic

feature port-security

switchport port-security

switchport port-security aging

switchport port-security mac-address

switchport port-security maximum

switchport port-security violation

show port-security

show running-config port-security

show startup-config port-security

FCoE over Adapter-FEX

This feature was introduced to connect a VMware vCenter Server to a Cisco Nexus 5000 Series switch.

connect

dvs-name

extension-key

install certificate

protocol vmware-vim

remote hostname

remote ip address

remote port

remote vrf

svs connection

svs veth auto-delete

svs veth auto-setup

vmware dvs

show svs connections

Management SVI

This feature was introduced.

management

show interface mgmt

Spanning Tree Protocol (STP) pseudo parameters

This feature was introduced to configure spanning tree pseudo parameters for Layer 2 gateway switches. The following commands were introduced:

  • mst (STP)
  • spanning-tree pseudo-information
  • vlan (STP)

The following command was updated:

  • show running-config spanning-tree

mst (STP)

spanning-tree pseudo-information

vlan (STP)

show running-config spanning-tree

Spanning Tree Protocol (STP) enhancements

The following commands were introduced:

  • spanning-tree bridge assurance
  • spanning-tree domain
  • spanning-tree mst pre-standard
  • spanning-tree vlan cost
  • spanning-tree vlan port-priority

spanning-tree bridge assurance

spanning-tree domain

spanning-tree mst pre-standard

spanning-tree vlan cost

spanning-tree vlan port-priority

Interface speed enhancement

Interface speed of 100 Mbps and the auto keyword was introduced.

The following command was updated:

  • speed (interface)

speed (interface)

Interface VLAN enhancement

You can set the carrier delay on a serial interface.

carrier-delay

Interface duplex mode

This feature was introduced.

duplex

Interface statistics collection interval

This feature was introduced.

load-interval

Link Aggregation Control Protocol (LACP) graceful convergence

The following command was added:

  • lacp graceful-convergence

lacp graceful-convergence

New and Changed Information for Cisco NX-OS Release 5.0(3)N2(1)

Table 4 summarizes the new and changed features for Cisco NX-OS Release 5.0(3)N2(1) and tells you where they are documented.

 

Table 4 New and Changed Information for Release 5.0(3)N2(1)

Feature
Description
Where Documented

Flex Links

This feature was introduced.

Flex Links, which are two Layer 2 interfaces, where one interface is configured to act as a backup to the other.

feature flexlink

switchport backup interface

show interface switchport backup

show running-config backup

show running-config flexlink

show startup-config backup

show startup-config flexlink

show tech-support

Configurable Hash Polynomial

This feature was introduced on a Cisco Nexus 5548 switch and Cisco Nexus 5596 switch.

port-channel load-balance ethernet

Switchport enhancements

Support was added to configure the switch to override the priority of frames arriving on the Cisco IP phone port from connected devices.

switchport priority extend

Voice VLAN

This feature was introduced.

switchport voice vlan

New and Changed Information for Cisco NX-OS Release 5.0(3)N1(1)

Table 5 summarizes the new and changed features for Cisco NX-OS Release 5.0(3)N1(1) and tells you where they are documented.

 

Table 5 New and Changed Information for Release 5.0(3)N1(1)

Feature
Description
Where Documented

SPAN enhancements

Rate limited Switched Port Analyzer (SPAN) is supported on Cisco Nexus 5010 Series and Cisco Nexus 5020 Series switches.

Added the switchport monitor rate-limit command.

switchport monitor rate-limit

LLDP

The Link Layer Discovery Protocol (LLDP) is enabled by default on a Cisco NX-OS switch.

feature lldp

Layer 3 interfaces

This feature was introduced.

The following Layer 3 interface commands were introduced:

  • encapsulation dot1q
  • interface ethernet (Layer 3)
  • interface loopback
  • interface vlan
  • no switchport

The following commands were updated to include support for Layer 3 interfaces and subinterfaces:

  • bandwidth (interface)
  • delay (interface)
  • description (interface)
  • interface port-channel
  • shutdown
  • show interface brief
  • show interface ethernet
  • show interface port-channel

bandwidth (interface)

delay (interface)

description (interface)

encapsulation dot1Q

interface ethernet (Layer 3)

interface loopback

interface port-channel

interface vlan

no switchport

shutdown

Show Commands

Unified ports

Support was added to configure unified ports on a Cisco Nexus 5548UP switch or Cisco Nexus 5596UP switch.

port

New and Changed Information for Cisco NX-OS Release 5.0(2)N2(1)

Table 6 summarizes the new and changed features for Cisco NX-OS Release 5.0(2)N2(1) and tells you where they are documented.

 

Table 6 New and Changed Information for Release 5.0(2)N2(1)

Feature
Description
Where Documented

Support for VTP client and server device mode, VTP file and password, and VTP on an interface

You can configure the VTP device mode as client, server, or off.

You can also configure the VTP database file or set the password for the VTP administrative domain. You can enable VTP on an interface.

clear vtp counters

vtp (interface)

vtp file

vtp mode

vtp password

vtp version

Show Commands

Force addition of an interface into a channel group

You can force the addition of the interface into the specified channel group.

channel-group (Ethernet)

Show Commands

New and Changed Information for Cisco NX-OS Release 5.0(2)N1(1)

Table 7 summarizes the new and changed features for Cisco NX-OS Release 5.0(2)N1(1) and tells you where they are documented.

 

Table 7 New and Changed Information for Release 5.0(2)N1(1)

Feature
Description
Where Documented

Support for Fabric Extender preprovisioning

You can preprovision a module in a chassis slot of a Cisco Nexus 2000 Series Fabric Extender.

provision

slot

show provision

show running-config exclude-provision

show startup-config exclude-provision

Link Aggregation Control Protocol (LACP) port suspension

The following command was added:

  • lacp suspend-individual

lacp suspend-individual

SNMP notification for VTP domain

You can enable SNMP notifications for a VTP domain.

snmp-server enable traps vtp

New and Changed Information for Cisco NX-OS Release 4.2(1)N2(1)

Table 8 summarizes the new and changed features for Cisco NX-OS Release 4.2(1)N2(1) and tells you where they are documented.

 

Table 8 New and Changed Information for Release 4.2(1)N2(1)

Feature
Description
Where Documented

Hardware Hashing

This feature was introduced.

hardware multicast hw-hash

Link Aggregation Control Protocol (LACP) enhancement

The following command was added:

  • lacp rate fast

lacp rate fast

New and Changed Information for Cisco NX-OS Release 4.2(1)N1(1)

Table 9 summarizes the new and changed features for Cisco NX-OS Release 4.2(1)N1(1) and tells you where they are documented.

 

Table 9 New and Changed Information for Release 4.2(1)N1(1)

Feature
Description
Where Documented

Layer 2 interface

Support for error-disable (err-disabled) detection was introduced.

errdisable detect cause

errdisable recovery cause

errdisable recovery interval

Show Commands

Ethernet Switched Port Analyzer (SPAN)

The following commands were updated:

  • monitor session

monitor session

MAC Address Table

The following commands were updated:

  • clear mac address-table dynamic
  • mac address-table aging-time
  • mac address-table notification
  • mac address-table static

clear mac address-table dynamic

mac address-table aging-time

mac address-table notification

mac address-table static

Show Commands

VLAN Trunking Protocol (VTP)

This feature was introduced.

clear vtp counters

feature vtp

vtp domain

vtp mode

vtp version

Show Commands

New and Changed Information for Cisco NX-OS Release 4.0(1a)N2(1)

Table 10 summarizes the new and changed features for Cisco NX-OS Release 4.0(1a)N2(1) and tells you where they are documented.

 

Table 10 New and Changed Information for Release 4.0(1a)N2(1)

Feature
Description
Where Documented

Layer 2 interface

The following command was updated:

  • inteface ethernet

interface ethernet

New and Changed Information for Cisco NX-OS Release 4.0(1a)N1(1)

Table 11 summarizes the new and changed features for Cisco NX-OS Release 4.0(1a)N1(1) and tells you where they are documented.

 

Table 11 New and Changed Information for Release 4.0(1a)N1(1)

Feature
Description
Where Documented

Layer 2 interface

The following commands were introduced:

  • speed (interface)

The following command was deprecated::

  • svi enable

speed (interface)

svi enable

Unidirectional Link Detection (UDLD)

This feature was introduced.

feature udld

udld (configuration mode)

udld (Ethernet)

show udld

New and Changed Information for Cisco NX-OS Release 4.0(0)N1(1a)

Table 12 summarizes the new and changed features for Cisco NX-OS Release 4.0(0)N1(1a) and tells you where they are documented.

 

Table 12 New and Changed Information for Release 4.0(0)N1(1a)

Feature
Description
Where Documented

Layer 2 Ethernet interface

This feature was introduced.

bandwidth (interface)

cdp

cdp enable

channel-group (Ethernet)

delay (interface)

description (interface)

feature interface-vlan

instance vlan

interface ethernet

interface mgmt

ip igmp snooping (EXEC)

ip igmp snooping (VLAN)

link debounce

shutdown

svi enable

Show Commands

Port Channel

This feature was introduced.

interface port-channel

port-channel load-balance ethernet

Show Commands

Link Aggregation Control Protocol (LACP)

This feature was introduced.

clear lacp counters

feature lacp

lacp port-priority

lacp system-priority

Show Commands

Link Layer Discovery Protocol (LLDP)

This feature was introduced.

feature lldp

Show Commands

Private VLAN

This feature was introduced.

feature private-vlan

private-vlan

private-vlan association

private-vlan synchronize

Show Commands

MAC Address Table

This feature was introduced.

clear mac access-list counters

clear mac address-table dynamic

mac address-table aging-time

mac address-table notification

mac address-table static

Show Commands

Ethernet Switched Port Analyzer (SPAN)

This feature was introduced.

description (SPAN, ERSPAN)

destination (SPAN session)

monitor session

source (SPAN, ERSPAN)

Show Commands

Spaning Tree Protocol (STP)

This feature was introduced.

clear spanning-tree counters

clear spanning-tree detected-protocol

revision

spanning-tree bpdufilter

spanning-tree bpduguard

spanning-tree cost

spanning-tree guard

spanning-tree link-type

spanning-tree loopguard default

spanning-tree mode

spanning-tree pathcost method

spanning-tree port-priority

spanning-tree port type edge

spanning-tree port type edge bpdufilter default

spanning-tree port type edge bpduguard default

spanning-tree port type edge default

spanning-tree port type network

spanning-tree port type network default

spanning-tree vlan

Show Commands

Multiple Spanning Tree (MST)

This feature was introduced.

name (MST configuration)

spanning-tree mst configuration

spanning-tree mst cost

spanning-tree mst forward-time

spanning-tree mst hello-time

spanning-tree mst max-age

spanning-tree mst max-hops

spanning-tree mst port-priority

spanning-tree mst priority

spanning-tree mst root

spanning-tree mst simulate pvst

spanning-tree mst simulate pvst global

Show Commands

Switchport

This feature was introduced.

switchport access vlan

switchport block

switchport host

switchport mode

switchport mode private-vlan host

switchport mode private-vlan promiscuous

switchport mode private-vlan trunk

switchport private-vlan association trunk

switchport private-vlan host-association

switchport private-vlan mapping

switchport private-vlan trunk allowed vlan

switchport private-vlan trunk native

Show Commands

VLAN

This feature was introduced.

interface vlan

name (VLAN configuration)

shutdown (VLAN configuration)

state

vlan

vlan dot1Q tag native

Show Commands

Virtual routing and forwarding (VRF)

This feature was introduced.

vrf context

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