Highlights
•
Connects up to 48 devices - PCs, printers, wireless access points, and
servers - to share and transfer files and videos across your network
•
Power over Ethernet easily and cost-effectively powers wireless access
points, video cameras, and other network-connected endpoints
• Strong security protects network traffic to keep unauthorized users off the network
•
Basic QoS helps ensure a consistent network experience and supports
networked applications including voice, video, and data storage
• Easy-to-use Web browser interface makes installation quick and effortless
Overview
The Cisco®
Small Business Smart Switches are cost-effective switching solutions
that are ideal for small businesses, the network edge, or workgroups
within larger organizations. These easy-to-install, high-speed switches
offer many of the same quality of service (QoS) and security features
found in more expensive full Layer 2 managed switches, but without
their complexity. The Cisco SLM248P 48-Port 10/100 + 2-Port Gigabit
Smart Switch (Figure 1) offers forty-eight 10/100 copper ports with two
shared Gigabit copper or optical Small Form-Factor Pluggable (SFP)
uplink interfaces for connecting the switch to the core network. The
simplified user interface is an intuitive management tool, enabling you
to quickly utilize the comprehensive feature set of the switch for a
better-optimized network.
The
Cisco SLM248P includes numerous QoS features to help ensure that
traffic is prioritized properly to deliver the best possible user
experience for real-time applications such as voice and video or
bandwidth-intensive graphic/video file uploads or downloads. With its
Internet Group Management Protocol (IGMP) snooping feature, the switch
limits IP multicast traffic (such as real-time presentations, video
conferences, and online gaming) to only the ports that have requested
it, enabling the rest of the network to operate at peak efficiency.
Additional QoS capabilities such as IEEE 802.1p priority tagging,
differentiated services code point (DSCP), and four hardware queues
also maintain quality for real-time applications like voice and video.
Network traffic can be optimized with the switch's 802.1Q VLAN support,
which enables you to quickly segregate network traffic by department or
workgroup. VLANs also provide an additional layer of security by
keeping sensitive data separated from other workgroups on the network.
For
wireless or voice over IP (VoIP) deployments, the Cisco SLM248P
supports the IEEE 802.3af standard for Power over Ethernet (PoE). This
eliminates the need for additional power cables or a nearby power
outlet, thereby making installation simple and inexpensive and allowing
networking devices like cameras and wireless access points to be
positioned in optimal locations such as ceilings and walls - even
outdoors.
Network
security is an absolute requirement for any business, and preventing
unauthorized access to the company network is critical. The Cisco
SLM248P secures the network through 802.1X port authentication, which
prompts end users to provide their username and password before they
are permitted to pass data. User access can also be controlled through
the switch's MAC-based filtering capability, which allows network
access only to those devices or workstations that have been authorized
as identified by their MAC address. The many-to-one or one-to-one port
mirroring feature of the Cisco SLM248P enables you to monitor the type
of traffic being transmitted on the network.
The
Cisco SLM248P includes features for quickly expanding your network. To
substantially increase network throughput speeds, especially useful for
companies whose employees are routinely backing up their hard drives to
a company server or storage platform, the Cisco SLM248P supports link
aggregation, which allows multiple high-bandwidth trunks between
switches to be set up. Link aggregation also provides a level of
availability and redundancy, as traffic will continue to flow even if
one of the network links breaks. The switch's Spanning Tree Protocol
(STP) support and storm control features help to control planned or
inadvertent cable loops when switches are connected to one another.
These loops can cause broadcast or multicast storms in the network that
severely limit its performance. With these features, you can
confidently build a mesh of switches and quickly expand your network to
support your growing workforce.
Features
• Forty eight 10/100 switched RJ-45 ports deliver up to 200 Mbps of throughput per port
• Two 10/100/1000 switched RJ-45 Gigabit uplink ports with two shared SFP ports (combo ports)
•
PoE on twenty-four 10/100 ports (ports 1 through 12 and 25 through 36),
compatible with IEEE 802.3af, with 180W dedicated internal power,
enough to support 7.5W for 24 PoE ports or 15.4W on 11 ports
• 13.6-Gbps nonblocking, store-and-forward switching mechanism
•
Simplified QoS management enabled by advanced queuing techniques using
802.1p, IPv4/v6 Differentiated Services (DiffServ)/DSCP traffic
prioritization specifications
• Configuration and monitoring from a standard web browser with a simplified management interface
• 802.1Q-based VLANs enable segmentation of networks for improved performance and security
• Port-level security via 802.1X authentication and MAC-based filtering
• Increased bandwidth (up to 8x) and added link redundancy with Link Aggregation Control Protocol (LACP)
• Multicast and broadcast storm control
• Port mirroring for noninvasive monitoring of switch traffic
• Fully rack-mountable using the included rack-mounting hardware
