Cisco 500 Series Administration Guide

Administration: Time Settings
Configuring System Time
127 Cisco 500 Series Stackable Managed Switch Administration Guide
7
- From—Day and time that DST starts.
- To—Day and time that DST ends.
Selecting
Recurring allows different customization of the start and stop of
DST:
• From—Date when DST begins each year.
-
Day —Day of the week on which DST begins every year.
-
Week —Week within the month from which DST begins every year.
-
Month —Month of the year in which DST begins every year.
-
Time —The time at which DST begins every year.
• To—Date when DST ends each year. For example, DST ends locally every
fourth Friday in October at 5:00 am. The parameters are:
-
Day —Day of the week on which DST ends every year.
-
Week —Week within the month from which DST ends every year.
-
Month —Month of the year in which DST ends every year.
-
Time —The time at which DST ends every year.
STEP 3 Click Apply. The system time values are written to the Running Configuration file.
Adding a Unicast SNTP Server
Up to 16 Unicast SNTP servers can be configured.
NOTE To specify a Unicast SNTP server by name, you must first configure DNS server(s)
on the device (see DNS Settings).
To add a Unicast SNTP server:
STEP 1 Click Administration > Time Settings > SNTP Unicast.
STEP 2 Enter the following fields:
• SNTP Client Unicast—Select to enable the device to use SNTP-predefined
Unicast clients with Unicast SNTP servers.

Cisco 500 Series Specifications

General

Model	Cisco 500 Series
Category	Switch
Mounting	Rack-mountable
Management	Web-based, CLI, SNMP
Ports	24, 48
Port Speed	10/100/1000 Mbps
PoE Support	Available on some models
Switching Capacity	Up to 176 Gbps
MAC Address Table Size	16, 000 entries
Security	ACLs, 802.1X
Quality of Service (QoS)	Yes
Dimensions	Varies by model
Weight	Varies by model
Humidity	10% to 90% non-condensing
Power Supply	Internal
Power Consumption	Varies by model
Jumbo Frame Support	Up to 9216 bytes