Cisco Catalyst 9500 User Manual

PurposeCommand or Action
Returns to privileged EXEC mode.end
Example:
Step 5
Device(config)# end
Verifies your entries.show running-config
Example:
Step 6
Device# show running-config
(Optional) Saves your entries in the
configuration file.
copy running-config startup-config
Example:
Step 7
Device# copy running-config
startup-config
Configuring NTP
The device does not have a hardware-supported clock and cannot function as an NTP primary clock to which
peers synchronize themselves when an external NTP source is not available. The device also has no hardware
support for a calendar. As a result, the ntp update-calendar and the ntp master commands in global
configuration mode are not available.
These following sections provide configuration information on NTP:
Default NTP Configuration
shows the default NTP configuration.
Table 3: Default NTP Configuration
Default SettingFeature
Disabled. No authentication key is specified.NTP authentication
None configured.NTP peer or server associations
Disabled; no interface sends or receives NTP
broadcast packets.
NTP broadcast service
No access control is specified.NTP access restrictions
The source address is set by the outgoing interface.NTP packet source IP address
NTP is enabled on all interfaces by default. All interfaces receive NTP packets.
System Management Configuration Guide, Cisco IOS XE Amsterdam 17.2.x (Catalyst 9500 Switches)
14
Administering the Device
Configuring NTP

Cisco Catalyst 9500 Specifications

General

Software	Cisco IOS XE
Energy Efficiency	Energy Efficient Ethernet (EEE)
Warranty	Limited Lifetime Hardware Warranty
Series	Catalyst 9500
Ports	Up to 48 ports (varies by model)
Power Supply	Redundant power supplies
Operating Temperature	0°C to 40°C
Weight	Up to 35 lbs (varies by model)
Memory	16 GB DRAM, 16 GB Flash
Modularity	Modular uplinks and power supplies
Security	Cisco TrustSec, MACsec
Redundancy	Power supply redundancy
Management	CLI, SNMP, NETCONF
Latency	Sub-microsecond