Dell PowerConnect 3524 User Manual

130 Clock
Examples
The following example defines the authentication key for SNTP and allows authentication.
sntp trusted-key
The sntp trusted-key Global Configuration mode command authenticates the identity of a system to
which Simple Network Time Protocol (SNTP) will synchronize. Use the no form of this command to
disable authentication of the identity of the system.
Syntax
• sntp trusted-key key-number
•
no sntp trusted-key key-number
• key-number — Key number of authentication key to be trusted. (Range: 1 - 4294967295)
Default Configuration
No keys are trusted.
Command Mode
Global Configuration mode.
User Guidelines
• The command is relevant for both received Unicast and Broadcast.
• If there is at least 1 trusted key, then unauthenticated messages will be ignored.
Examples
The following example authenticates the identity of system 8.
Console(config)# sntp authentication-key 8 md5 ClkKey
Console(config)# sntp trusted-key 8
Console(config)# sntp authenticate
Console(config)# sntp authentication-key 8 md5 ClkKey
Console(config)# sntp trusted-key 8
Console(config)# sntp authenticate
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Dell PowerConnect 3524 Specifications

General

Throughput	9.5 Mpps
Number of queues	4
MAC address table	8000 entries
Maximum data transfer rate	0.1 Gbit/s
Supported data transfer rates	10/100 Mbps
10G support	No
Number of VLANs	256
Flow control support	Yes
Networking standards	IEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.3ad
Input frequency	50/60 Hz
Weight (imperial)	11 lbs
Dimensions (WxDxH)	440 x 257 x 43.2 mm
Networking features	Gigabit Ethernet, Fast Ethernet
Authentication method	RADIUS, TACACS+
Connectivity technology	Wired
Dimensions (W x D x H) (imperial)	17.3 x 10.12 x 1.7 \
Switch type	Managed
Switch layer	L2
Data link protocols	Ethernet
Supported network protocols	HTTP, HTTPS/SSL, SSH
Power connector	DC-in jack
Gigabit Ethernet (copper) ports quantity	2
Basic switching RJ-45 Ethernet ports quantity	24
Product color	Black
Power source	AC
Input voltage	100 - 240 V
Storage temperature (T-T)	-20 - 70 °C
Operating temperature (T-T)	0 - 45 °C
Storage relative humidity (H-H)	10 - 95 %
Operating relative humidity (H-H)	10 - 90 %

Weight and Dimensions

Weight	5000 g