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Dell PowerConnect 3548 User Manual

Dell PowerConnect 3548
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Configuring System Information 107
Deleting the Authentication Key
1
Open the
SNTP Authentication
page.
2
Click
Show
All
.
The
Authentication Key Table
opens.
3
Select an
Authentication Key Table
entry.
4
Select the
Remove
check box.
5
Click
Apply Changes
.
The entry is removed, and the device is updated.
Defining SNTP Authentication Settings Using CLI Commands
The following table summarizes the equivalent CLI commands for setting fields displayed in the SNTP
Authentication page.
The following is an example of the CLI commands:
Defining SNTP Servers
You can enable SNTP servers, as well as add new SNTP servers, from the SNTP Servers page. To open
the SNTP Servers page, click System SNTP Servers in the tree view.
Table 6-10. SNTP Authentication CLI Commands
CLI Command Description
sntp authenticate Defines authentication for received Simple Network
Time Protocol (SNTP) traffic from servers.
sntp trusted key Authenticates the identity of a system to which
SNTP will synchronize.
sntp authentication-key number
md5 value
Defines an authentication key for SNTP.
console(config)# sntp authentication-key 8 md5 Calked
console(config)# sntp trusted-key 8
Console(config)# sntp authenticate

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Dell PowerConnect 3548 Specifications

General IconGeneral
MAC address table8000 entries
Maximum data transfer rate0.1 Gbit/s
Supported data transfer rates10/100 Mbps
10G support-
Number of VLANs256
Flow control supportYes
Networking standardsIEEE 802.1D, IEEE 802.1p, IEEE 802.1Q, IEEE 802.1s, IEEE 802.1w, IEEE 802.3ad
Dimensions (WxDxH)440 x 257 x 43.2 mm
Networking featuresGigabit Ethernet, Fast Ethernet
Authentication methodRADIUS, TACACS+
Connectivity technologyWired
Switch typeManaged
Switch layerL2
Data link protocolsEthernet
Supported network protocolsHTTP, HTTPS/SSL, SSH
Power connectorDC-in jack
SFP/SFP+ slots quantity2
Basic switching RJ-45 Ethernet ports quantity48
Product colorBlack
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 IconWeight and Dimensions
Weight8000 g

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