Cisco Nexus 5500 Series User Manual

1
Cisco Nexus 5500 Series NX-OS Layer 2 Interfaces Command Reference
OL-27880-02
Preface
This preface describes the audience, organization, and conventions of the Cisco Nexus 5500 Series
NX-OS Layer 2 Interfaces Command Reference. It also provides information on how to obtain related
documentation.
This preface includes the following sections:
• Audience, page 1
• Document Conventions, page 1
• Related Documentation, page 2
• Obtaining Documentation and Submitting a Service Request, page 3
Audience
This publication is for experienced users who configure and maintain Cisco NX-OS devices.
Document Conventions
Command descriptions use these conventions:
Convention Description
boldface font Commands and keywords are in boldface.
italic font Arguments for which you supply values are in italics.
[ ] Elements in square brackets are optional.
{x | y | z} Alternative keywords are grouped in braces and separated by vertical bars.
[ x | y | z ] Optional alternative keywords are grouped in brackets and separated by vertical
bars.
string A nonquoted set of characters. Do not use quotation marks around the string or
the string will include the quotation marks.

Cisco Nexus 5500 Series Specifications

General

Model	Nexus 5500 Series
Product Type	Switch
Operating System	Cisco NX-OS
Latency	Less than 5 microseconds
Virtual Device Contexts (VDCs)	Up to 4 VDCs
Operating Temperature	32 to 104°F (0 to 40°C)
Storage Temperature	-40 to 158°F (-40 to 70°C)
Product Family	Nexus
Form Factor	1RU
Forwarding Capacity	950 Mpps
Management	CLI, SNMP, XML
Features	FCoE, QoS
Power Supply	AC or DC
Cooling	Front-to-back airflow
Redundancy	Redundant power supplies and fan trays
MAC Address Table Size	128, 000 entries
Relative Humidity	5 to 95% noncondensing
Power Supply Options	AC and DC power supplies available

Summary

Preface

Audience

Describes the target users for the publication, focusing on experienced Cisco NX-OS device users.

Document Conventions

Explains the formatting conventions used for commands and descriptions in the document.

Related Documentation

Lists Cisco Nexus 5000 Series and 2000 Series documentation available online and their types.

Obtaining Documentation and Submitting a Service Request

Provides feedback channels and links for obtaining Cisco documentation and submitting service requests.

New and Changed Information

New and Changed Information for Cisco NX-OS Releases

Lists topics related to new and changed features for Cisco NX-OS releases.

New and Changed Information for Cisco NX-OS Release 6.0(2)N1(2)

Summarizes new and changed features for a specific NX-OS release and where they are documented.

B Commands

bandwidth (interface)

Configures the inherited and received bandwidth values for an interface.

beacon (interface)

Controls the beacon LED for a port to easily identify it.

bind (virtual Ethernet interface)

Binds an interface to a virtual Ethernet interface or removes the binding.

C Commands

capability (virtual Ethernet interface)

Sets the profile capability for a virtual Ethernet interface.

carrier-delay

Configures the carrier delay on a serial or VLAN interface.

cdp

Enables or disables Cisco Discovery Protocol (CDP) and configures its attributes.

cdp enable

Enables or disables Cisco Discovery Protocol (CDP) on an interface.

channel-group (Ethernet)

Assigns and configures a physical interface to an EtherChannel.

clear mac access-list counters

Clears statistical information from the access list.

D Commands

delay (interface)

Configures the interface throughput delay value.

description (interface)

Adds a description to an interface configuration for reminder purposes.

duplex (interface)

Specifies the duplex mode (full, half, or auto) for an interface.

dvs-name

Configures the Distributed Virtual Switch (DVS) name in the vCenter Server.

E Commands

encapsulation dot1Q

Enables IEEE 802.1Q encapsulation of traffic on a specified subinterface.

errdisable recovery interval

Configures the recovery time interval for interfaces in an err-disabled state.

F Commands

feature interface-vlan

Enables the ability to create VLAN interfaces.

feature private-vlan

Enables the private VLAN feature for configuring private VLANs.

H Commands

hardware multicast hw-hash

Uses hardware hashing for multicast traffic on an EtherChannel interface.

high-performance host-netio (virtual Ethernet interface)

Turns on high performance on the host for virtual Ethernet interfaces.

I Commands

install feature-set virtualization

Installs the Cisco virtual machine feature set on the switch.

interface ethernet

Enters interface configuration mode for an Ethernet IEEE 802.3 interface.

interface vlan

Creates a VLAN interface and enters VLAN configuration mode.

L Commands

lacp graceful-convergence

Configures port channel Link Aggregation Control Protocol (LACP) graceful convergence.

lacp system-priority

Sets the system priority of the switch for Link Aggregation Control Protocol (LACP).

M Commands

mac address-table aging-time

Configures the aging time for entries in the MAC address table.

monitor session

Creates a new Switched Port Analyzer (SPAN) or Encapsulated Remote Switched Port Analyzer (ERSPAN) session.

N Commands

name (VLAN configuration)

Sets the name for a VLAN.

no switchport

Configures the interface as a Layer 3 Ethernet interface.

P Commands

pinning (interface)

Configures pinning options for an interface.

port

Configures a unified port as Ethernet, native Fibre Channel, or FCoE.

private-vlan

Configures private VLANs, specifying isolated, community, or primary types.

R Commands

remote hostname

Configures the hostname for the remote machine for SVS connection.

remote ip address

Configures the IPv4 address for the remote machine for SVS connection.

S Commands

shutdown

Shuts down local traffic on an interface or VLAN.

spanning-tree bridge assurance

Enables Spanning Tree Protocol (STP) Bridge Assurance globally.

spanning-tree mode

Switches between Rapid PVST+ and Multiple Spanning Tree (MST) modes.

spanning-tree port type edge

Configures an interface connected to a host as an edge port.

Show Commands

show cdp all

Displays all interface information in the Cisco Discovery Protocol (CDP) database.

show interface brief

Displays a brief summary of the interface configuration information.

show interface ethernet

Displays information about the configuration of a specified Ethernet interface.

show running-config spanning-tree

Displays the running configuration for the Spanning Tree Protocol (STP).

U Commands

udld (configuration mode)

Configures the Unidirectional Link Detection (UDLD) protocol on the switch.

udld (Ethernet)

Enables and configures the Unidirectional Link Detection (UDLD) protocol on an Ethernet interface.

V Commands

vethernet auto-create

Enables automatic creation of virtual Ethernet interfaces globally.

vlan

Adds a VLAN or enters VLAN configuration mode.

vlan (STP)

Configures spanning tree designated bridge and root bridge priority for VLANs.

vtp domain

Configures the name of the VLAN Trunking Protocol (VTP) administrative domain.