What are the differences between broadband router and
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Answer / mvadivell
A switch, keeps a record of the MAC addresses of all the
devices connected to it. With this information, a switch
can identify which system is sitting on which port. So when
a frame is received, it knows exactly which port to send it
to, which significantly increases network response times.
And, unlike a Hub, a 10/100Mbps switch will allocate a full
10/100Mbps to each of its ports. So regardless of the
number of PCs transmitting, users will always have access
to the maximum amount of bandwidth. It's for these reasons
why a switch is considered to be a much better choice then
Routers are completely different creatures. Where a hub or
switch is concerned with transmitting frames, a router's
job, as its name implies, is to route packets to other
networks until that packet ultimately reaches its
destination. One of the key features of a packet is that it
not only contains data, but the destination address of
where it's going.
A router is typically connected to at least two networks,
commonly two LANs or WANs or a LAN and its ISP's network
(ex. your pc or workgroup and EarthLink). Routers are
located at gateways, the places where two or more networks
connect. Using headers and forwarding tables, routers
determine the best path for forwarding the packets. Routers
use protocols such as ICMP to communicate with each other
and configure the best route between any two hosts.
A router will typically include a 4-to-8 port Ethernet
switch (or hub) and a Network Address Translator (NAT). In
addition, they usually include a Dynamic Host Configuration
Protocol (DHCP) server, Domain Name Service (DNS) proxy
server and a hardware firewall to protect the Local Area
Network (LAN) from malicious intrusion from the Internet.
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Answer / ramesh m
Most broadband routers (“routers” for short) are a
combination Ethernet switch (or hub) and Network Address
Translator (NAT; see below). They usually include a
Dynamic Host Configuration Protocol (DHCP) server, Domain
Name Service (DNS) proxy server (see below), and a hardware
firewall to protect the Local Area Network (LAN) from
malicious intrusion from the Internet.
All routers have a Wide Area Network (WAN) Port. This port
connects to the to a DSL or cable MODEM for broadband
service (e.g., the Internet) and is usually a 10 MHz
10BASET Ethernet port. A 10 MHz WAN port is sufficient for
cable and DSL MODEMs as these devices transfer data at rate
that is a fraction of 10 MHz. I have seen no broadband
routers with a USB WAN port to connect to a USB cable or
Many recent broadband routers are combination
routers/Ethernet switch (or hub) that have multiple
Ethernet ports to connect more than one PC to form a LAN.
These ports allow the PCs to share the WAN port/broadband
Internet connection and perform LAN functions, such as
Windows file and printer sharing. The LAN ports are usually
100 MHz 100 BASE-TX Ethernet.
Some routers have a single WAN port and a single LAN port
and are designed to connect to an existing LAN hub or
switch to a WAN.
Ethernet switches and hubs can be connected to router with
multiple PC ports to expand a LAN. Depending on the
capabilities (kinds of available ports) of the router and
the switches or hubs, the connection between the router and
switches/hubs may require straight-thru or crossover cables
See “What is an uplink port and what are the ways to
connect two hubs/switches together?” at
http://duxcw.com/faq/network/uplink.htm for details.
Some routers have ports for USB connections to computers on
a LAN. Some have wireless LAN capabilities.
In addition to a WAN port, broadband routers, such as the
SMC Barricade routers
04br.htm), may have a serial port that can be connected to
an external dial-up MODEM (useful as a backup for the cable
of DSL service) and a built in LAN printer server and
A router DHCP server provides local Internet Protocol (IP)
asp; e.g., 192.168.02, 192.168,.0.2,…) to PC’s, etc. on the
LAN set to obtain their IP addresses automatically. These
DHCP servers can usually be configured to allow assignment
of static IP addresses to PCs and other devices on the
LAN. A router-borne DNS proxy handles Internet name
resolution requests form PCs on the LAN to the ISPs DNS
servers to translate names of computers on the Internet to
IP addresses (e.g., duxcw.com to 126.96.36.199). The NAT
function in the broadband router allows sharing a single IP
address provided by the Internet Service Provider with PCs
connected directly to the router/switch or to hub or switch
connected to the router by mapping local LAN IP addresses
(assigned by the DHCP server or static IPs on the same
TCP/IP subnet) to Internet IP addresses and vice versa and
translating the address information in the TCP/IP protocol
Besides the inherent protection features provided by the
NAT, many routers have a built-in, configurable, hardware-
based firewall. Firewall capabilities can range from the
very basic to quite sophisticated. Among the capabilities
found on leading routers are those that permit configuring
TCP/UDP ports (http://www.iana.org/assignments/port-
numbers) for games, chat services, and the like, and
installing web servers, etc. on the LAN behind the firewall.
In short, a hub glues together an Ethernet network segment,
a switch can connect multiple Ethernet segments, and a
router can do those functions plus route TCP/IP packets
between multiple PCs on LAN and a WAN, and much more.
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Answer / s.m.feroz ahmed
BroadBand Router is used to connect different Networks
whereas Ethernet Switch is used to clubb a single network .
Router is able to connect to different Networks located in
different places whereas Ethernet Switch is able to
maintain configure ports and maitain portspeed or VLAN.
|Is This Answer Correct ?||2 Yes||1 No|
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