1
Introduction
24/48-Port 10/100 + 4-Port Gigabit Smart Switch with Resilient Clustering Technology and PoE
Chapter 1
Chapter 1:
Introduction
Thank you for choosing the Linksys 24/48-Port 10/100
+ 4-Port Gigabit Smart Switch with Resilient Clustering
Technology and PoE.
These switches allow you to expand your network
securely. User control is secured using 802.1x security
using a RADIUS authentication mechanism and can also
be controlled using MAC filtering.
For Wireless or VoIP deployments, the SLM224G4PS and
SLM248G4PS Switches support the IEEE802.3af standard
for Power over Ethernet (PoE), allowing you to attach PoE-
enabled devices to your network. These devices need no
additional power cables or nearby power outlets, resulting
in simpler and less expensive installation. PoE support
also allows devices like cameras and Wireless Access Points
to be positioned in optimal locations, such as in ceilings
and walls—even outdoors.
Extensive QoS features makes the solution ideal for real-
time applications like Voice and Video. The four priority
queues together with the Weighted Round Robin and
Strict Priority scheduling techniques facilitate efficient
co-existence of real-time traffic with data traffic allowing
them each to meet their QoS needs. Individual users or
applications can be prioritized above others using various
Class of Service options—by port, Layer 2 priority (802.1p),
and Layer 3 priority (TOS or DSCP). Intelligent Broadcast
and Multicast storm control minimize and contain the
effects of these types of traffic on regular traffic. IGMP
Snooping limits bandwidth-intensive video traffic to only
the requestors without flooding to all users. Incoming
traffic can be policed and outgoing traffic can be shaped
allowing you to control network access and traffic flow.
There are features that allow you to expand and grow your
network of switches. Link aggregation allows multiple
high-bandwidth trunks between switches to be set up.
This also provides a level of reliability in that the system
continues to operate if one of the links breaks. Spanning
Tree (STP) and Fast Link allow you to build a mesh of
switches increasing the availibility of the system.
The rich management functionality of the Smart Switches
with Resilient Clustering Technology includes SNMP,
RMON, Telnet, and HTTP Management options, allowing
you to flexibly integrate and manage these devices in your
network.
NOTE:
Throughout this User Guide, the term
reset
refers to cycling the power to the Switch;
that is, powering the Switch off, then on again.
