Cisco Nexus 7000 Series Reference Guide

N Commands
ntp server
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Cisco Nexus 7000 Series NX-OS System Management Command Reference
OL-25806-03
ntp server
To configure a Network Time Protocol (NTP) server, use the ntp server command. To remove the NTP
server, use the no form of this command.
ntp server {ip-address | ipv6-address | dns-name} [key key-id] [prefer] [use-vrf vrf-name]
no ntp server {ip-address | ipv6-address | dns-name} [key key-id] [prefer] [use-vrf vrf-name]
Syntax Description
Defaults None
Command Modes Global configuration mode (config)
Supported User Roles network-admin
network-operator
vdc-admin
vdc-operator
Command History
Usage Guidelines Make sure that you are in the correct virtual device context (VDC). To change the VDC, use the switchto
vdc command.
If you configure a key to be used while communicating with the NTP server, make sure that the key exists
as a trusted key on the device.
This command does not require a license.
ip-address IPv4 address.
ipv6-address IPv6 address.
dns-name Domain Name Server (DNS) name.
key (Optional) Specifies the key to be used for associating with a server.
key-id Key ID. The range is from 1 to 65535.
prefer (Optional) Specifies the given NTP server as the preferred one.
use-vrf (Optional) Specifies the virtual routing and forwarding (VRF) name.
vrf-name VRF name. The VRF name can be default, management, or any case-sensitive,
alphanumeric string up to 32 characters.
Release Modification
5.0(1) This command was introduced.

Cisco Nexus 7000 Series Specifications

General

Chassis	Modular
Operating System	Cisco NX-OS
Latency	Sub-microsecond
IPv6 Support	Yes
Redundancy	Power supplies, fans, supervisors, fabric modules
Power Supply	AC or DC
Layer Support	L2, L3
Network Management	CLI, SNMP
Virtualization	VRF, vPC
Ports	10 Gigabit Ethernet, 40 Gigabit Ethernet, 100 Gigabit Ethernet, Fibre Channel, Fibre Channel over Ethernet (FCoE)
Supported Modules	Various (1G, 10G, 40G, 100G)
Features	FCoE, OTV, LISP
MPLS Support	Yes
Quality of Service (QoS)	Yes
Security Features	ACLs, Cisco TrustSec, Control Plane Policing (CoPP)
Dimensions	Varies by model
Weight	Varies by model
Operating Temperature	0 to 40°C (32 to 104°F)
Storage Temperature	-40°F to 158°F (-40°C to 70°C)
Humidity	5 to 95% noncondensing
MTBF	Varies by model
Number of Slots	Varies by model (9-slot, 10-slot, 18-slot)