Dell PowerConnect 3548 User Manual

20 Introduction
VLAN-aware MAC-based Switching
The device always performs VLAN-aware bridging. Classic bridging(IEEE802.1D) is not performed,
where frames are forwarded based only on their destination MAC address. However, a similar
functionality can be configured for untagged frames. Frames addressed to a destination MAC address
that is not associated with any port are flooded to all ports of the relevant VLAN.
MAC Multicast Support
Multicast service is a limited broadcast service, which allows one-to-many and many-to-many
connections for information distribution. Layer 2 Multicast service is where a single frame is addressed
to a specific Multicast address, from where copies of the frame are transmitted to the relevant ports.
When Multicast groups are statically enabled, you can set the destination port of registered groups,
as well as define the behavior of unregistered multicast frames.
For more information, see "Assigning Multicast Forward All Parameters."
Layer 2 Features
IGMP Snooping
Internet Group Membership Protocol (IGMP) Snooping examines IGMP frame contents, when they are
forwarded by the device from work stations to an upstream Multicast router. From the frame, the device
identifies work stations configured for Multicast sessions, and which Multicast routers are sending
Multicast frames. IGMP Querier simulates the behavior of a multicast router; this allows snooping of the
layer 2 multicast domain even if there is no multicast router.
For more information, see "IGMP Snooping."
Port Mirroring
Port mirroring monitors and mirrors network traffic by forwarding copies of incoming and outgoing
packets from a monitored port to a monitoring port. Users specify which target port receives copies of all
traffic passing through a specified source port.
For more information, see "Defining Port Mirroring Sessions."
Broadcast Storm Control
Storm Control enables limiting the amount of Multicast and Broadcast frames accepted and forwarded
by the device.
When Layer 2 frames are forwarded, Broadcast and Multicast frames are flooded to all ports on the
relevant VLAN. This occupies bandwidth, and loads all nodes connected on all ports.
For more information, see "Enabling Storm Control."

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