Dell PowerConnect 3548 User Manual

290 Configuring Switch Information
• Save Binding Database to File — Indicates if the DHCP Snooping Database is saved to file.
The possible field values are:
–
Enable — Enables saving the database to file. This is the default value.
–
Disable — Disables saving the database to file.
•
Save Binding Database Internal — Indicates how often the DHCP Snooping Database is updated.
The possible field range is 600 – 86400 seconds. The field default is 1200 seconds.
Configuring DHCP Snooping Global Parameters with CLI Commands
The following table summarizes the equivalent CLI commands for configuring DHCP Snooping global
parameters
.
Table 7-8. DHCP Snooping Global Parameters CLI Commands
CLI Command Description
ip dhcp snooping
no ip dhcp snooping
Use the ip dhcp snooping global configuration command to
globally enable DHCP snooping. Use the no form of this
command to return to the default setting.
ip dhcp snooping verify
no ip dhcp snooping verify
Use the ip dhcp snooping verify global configuration command to
configure the switch to verify on an untrusted port that the source
MAC address in a DHCP packet matches the client hardware
address. Use the no form of this command to configure the switch
to not verify the MAC addresses.
ip dhcp snooping database
no ip dhcp snooping database
Use the ip dhcp snooping database global configuration
command to configure the DHCP snooping binding file. Use the
no form of this command to delete the binding file.
ip dhcp snooping database update-freq seconds
no ip dhcp snooping database update-freq
Use the ip dhcp snooping database update-freq global
configuration command to configure the update frequency ofthe
DHCP snooping binding file. Use the no form of this command
to return to default.
show ip dhcp snooping [ethernet interface |
port-channel port-channel-number]
Use the show ip dhcp snooping EXEC command to display the
DHCP snooping configuration.

Dell PowerConnect 3548 Specifications

General

MAC address table	8000 entries
Maximum data transfer rate	0.1 Gbit/s
Supported data transfer rates	10/100 Mbps
10G support	-
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
Dimensions (WxDxH)	440 x 257 x 43.2 mm
Networking features	Gigabit Ethernet, Fast Ethernet
Authentication method	RADIUS, TACACS+
Connectivity technology	Wired
Switch type	Managed
Switch layer	L2
Data link protocols	Ethernet
Supported network protocols	HTTP, HTTPS/SSL, SSH
Power connector	DC-in jack
SFP/SFP+ slots quantity	2
Basic switching RJ-45 Ethernet ports quantity	48
Product color	Black
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	8000 g