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Switch Hub

November 27th, 2004

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Can anyone tell me the uses of Switch ,Hub and Repeaters?

Switch,hub and repeaters are related to networking hardwares like for an intranet.

A hub, or repeater, is a fairly unsophisticated broadcast device. Any packet entering any port is broadcast out on every port and thus hubs do not manage any of the traffic that comes through their ports. Since every packet is constantly being sent out through every port, this results in packet collisions, which greatly impedes the smooth flow of traffic.

A switch isolates ports, meaning that every received packet is sent out only to the port on which the target may be found (assuming the proper port can be found; if it is not, then the switch will broadcast the packet to all ports). Since the switch intelligently sends packets only where they need to go the performance of the network can be greatly increased.

More expensive switches can also do several other operations, such as isolating ports from each other by placing them in different VLANs, or allowing snooping by copying all packets on some set of ports to a special "sniffer" port.

This leaves the question of when a switch is most appropriate, versus a hub. If most of the network traffic involves only a few ports, then there will be little performance gain achieved by upgrading from a hub to a switch. But if the traffic involves more than a few ports, using a switch can yield a significant improvement in performance. Also, modern Fast Ethernet switches designed for small office / home office (SOHO) use are priced comparably to hubs, making use of a hub somewhat pointless if new equipment must be purchased anyway.

Find Switch Hub On eBay Below:

SonicWALL GigaBit PoE Injector 01 SSC 5544
SonicWALL GigaBit PoE Injector 01 SSC 5544
$30.00
Brocade E1MG SX OM 33210 100 1GbE SFP 850nm MMF
Brocade E1MG SX OM 33210 100 1GbE SFP 850nm MMF
$35.00
Dell N3000 N30xx 10GE SFP+ Uplink Module For N3024 N3048 41VC3
Dell N3000 N30xx 10GE SFP+ Uplink Module For N3024 N3048 41VC3
$133.26
Brocade 300 24 ports  Model BR 360 0008
Brocade 300 24 ports Model BR 360 0008
$410.00
Refurbished Quanta LB4M 10GB Uplink Switch Dual Power Supplies
Refurbished Quanta LB4M 10GB Uplink Switch Dual Power Supplies
$70.95
Dell PowerConnect 3448 Managed Gigabit Network Switch w Rack Mount Ears
Dell PowerConnect 3448 Managed Gigabit Network Switch w Rack Mount Ears
$30.00
Cisco Catalyst WS C2950G 24 EI DC Switch 24 Port Power tested
Cisco Catalyst WS C2950G 24 EI DC Switch 24 Port Power tested
$20.00
Cisco Catalyst 3750 Series PoE 48 Port Switch WS C3750 48PS S
Cisco Catalyst 3750 Series PoE 48 Port Switch WS C3750 48PS S
$18.00
WS C3560 24PS S Cisco Catalyst 3560 PoE 24 Port Ethernet Switch
WS C3560 24PS S Cisco Catalyst 3560 PoE 24 Port Ethernet Switch
$20.00
SMC Networks AS4210 28PB 24 Port Gigabit Ethernet Switch
SMC Networks AS4210 28PB 24 Port Gigabit Ethernet Switch
$25.00
Dell PowerConnect 5424 Switch 24 Ports Rack Mountable
Dell PowerConnect 5424 Switch 24 Ports Rack Mountable
$40.00
Cisco Catalyst 3750 Series 24 Port Gigabit Ethernet Switch Rack Mountable
Cisco Catalyst 3750 Series 24 Port Gigabit Ethernet Switch Rack Mountable
$40.00
Dell Powerconnect 2224 24 Port Fast Ethernet Switch 10 100
Dell Powerconnect 2224 24 Port Fast Ethernet Switch 10 100
$15.00
Netgear FS728TLP ProSAFE 24 Port Switch Rack Mountable Working Condition
Netgear FS728TLP ProSAFE 24 Port Switch Rack Mountable Working Condition
$48.00
Netgear FS726TP ProSafe 24 Port 10 100 Smart Switch w 2 Gigabit Ports
Netgear FS726TP ProSafe 24 Port 10 100 Smart Switch w 2 Gigabit Ports
$30.00
CISCO CATALYST 2950 SERIES WS C2950G 48 EI 48 PORT ETHERNET SWITCH
CISCO CATALYST 2950 SERIES WS C2950G 48 EI 48 PORT ETHERNET SWITCH
$15.00
Cisco Linksys SRW224P 24 Port 10 100 + 2 Port Gigabit Switch w Rack Ears
Cisco Linksys SRW224P 24 Port 10 100 + 2 Port Gigabit Switch w Rack Ears
$25.00
Cisco Small Business SFE2010P 48 Port 10 100 PoE Switch w Rack Ears
Cisco Small Business SFE2010P 48 Port 10 100 PoE Switch w Rack Ears
$40.00
Dell PowerConnect 6248 GP931 48 Port Gigabit Ethernet Layer 3 Switch
Dell PowerConnect 6248 GP931 48 Port Gigabit Ethernet Layer 3 Switch
$50.00
671956 B21 HP VC Virtual Connect Flex Fabric 20 40 F8 Switch
671956 B21 HP VC Virtual Connect Flex Fabric 20 40 F8 Switch
$975.00
7 Ports LED USB 20 Adapter Hub Power on off Switch For PC Laptop BK
7 Ports LED USB 20 Adapter Hub Power on off Switch For PC Laptop BK
$7.90
Arista DCS 7508 Data Center Switch
Arista DCS 7508 Data Center Switch
$2,950.00
NETGEAR ProSafe FS750T2 48 port 10 100 Smart Switch with 2 Gigabit Ports
NETGEAR ProSafe FS750T2 48 port 10 100 Smart Switch with 2 Gigabit Ports
$17.20
AXIOM 765253 B21 AX Hard drive 4 TB hot swap 35 inch SATA 6Gb s 7200 rpm 64MB
AXIOM 765253 B21 AX Hard drive 4 TB hot swap 35 inch SATA 6Gb s 7200 rpm 64MB
$250.00
VERACITY OUTREACH LITE Network LAN Extender extend cat5 ethernet PoE powered
VERACITY OUTREACH LITE Network LAN Extender extend cat5 ethernet PoE powered
$99.99
HP J9662A V1410 16 10 100 Fast Ethernet Switch 6MthWty TaxInv
HP J9662A V1410 16 10 100 Fast Ethernet Switch 6MthWty TaxInv
$100.32
New SMC Ethernet TigerHub TP6B SMC3206TB 6 Port 10BASE T Coax Backbone
New SMC Ethernet TigerHub TP6B SMC3206TB 6 Port 10BASE T Coax Backbone
$64.95
7 Port USB 20 Black Hub with High Speed Adapter ON OFF Switch for Laptop PC
7 Port USB 20 Black Hub with High Speed Adapter ON OFF Switch for Laptop PC
$5.98
Extreme Networks Summit X450e 48p 16148 Edge 48 Port PoE Gigabit Switch
Extreme Networks Summit X450e 48p 16148 Edge 48 Port PoE Gigabit Switch
$68.95
D Link DSS 16 Rack Mount 16 Port 10 100 Desktop Fast Ethernet Switch
D Link DSS 16 Rack Mount 16 Port 10 100 Desktop Fast Ethernet Switch
$0.99
SINETICA ZANCTH 12 Advanced SNMP Adapter
SINETICA ZANCTH 12 Advanced SNMP Adapter
$30.00
NetApp X298A R5 1TB SATA FC SS 45E2137 45E2141 X302A 45E7971
NetApp X298A R5 1TB SATA FC SS 45E2137 45E2141 X302A 45E7971
$135.00
Riverstone RS 3000 2U Router Layer 3 Switch Rackmount
Riverstone RS 3000 2U Router Layer 3 Switch Rackmount
$69.99
NEW Cisco WS C3850 48F S 48 10 100 1000 Ethernet PoE+ ports Switch with AC Power
NEW Cisco WS C3850 48F S 48 10 100 1000 Ethernet PoE+ ports Switch with AC Power
$5,000.00
Allied Telesis AT FS750 24 10 100 1000 24 Port SPF Ethernet Network Switch
Allied Telesis AT FS750 24 10 100 1000 24 Port SPF Ethernet Network Switch
$124.99
NEW Cisco WS C3850 48F S 48 10 100 1000 Ethernet PoE+ port Switch 1100W AC power
NEW Cisco WS C3850 48F S 48 10 100 1000 Ethernet PoE+ port Switch 1100W AC power
$5,100.00
QR481B	HPE SN6000B 16Gb 48 48 Pwr Pck+ FC Switch HPE Retail NEW
QR481B HPE SN6000B 16Gb 48 48 Pwr Pck+ FC Switch HPE Retail NEW
$25,500.00
NEW Cisco 48 Port WS C3850 48F S 10 100 1000 Ethernet PoE+ Port Switch 1100W AC
NEW Cisco 48 Port WS C3850 48F S 10 100 1000 Ethernet PoE+ Port Switch 1100W AC
$4,979.07
Gefeg Neckar Motor M763 47660997 IP40
Gefeg Neckar Motor M763 47660997 IP40
$53.30

Recently Purchased Switch Hub:


cabletron mmac 5 slot chasis mmacm5fnb, network equipment technologies spx5 network processor xr5180, new brocade original 8pack 4g sw sfp 57100001301 modules 4gb free ship us, qlogic 4gb 12 port intelligent pass through module, dlink dgs3324tgr ethernet 24 port gigabit network switch rack mount, dell 24port gigabit switch w rack ears model powerconnect 2624, cisco wsc6k9slotfan2 high speed fan for catalyst 6509 2xavailable, hp procurve 2910al24g j9146a 24port gigabit poe managed switch, intel ftlx8571d3bcvit e10gsfpsr e65689001 ethernet server adapter x520 x710, ethernet all metal netgear fs105 10100 desktop switch hub, pcie express 1x to 3 port 1x switch multiplier splitter hub card , black box unmanaged poe ethernet switch 8port lpb208a, dell powerconnect 7024f ethernet switch 24x 1g sfp 4x 1000baset layer 2 , mikrotik cloud smart switch css32624g2srm 24 x gbit lan 2x 10gbit sfp cage, cisco one catalyst 3850 48port poe switch c1ws385048fk9 v05, lot of 2 cisco sg30028pp gigabit poe amp; sg50028p managed switches defective, new hp jg542a hpe 550048gpoe4sfp hi switch with 2 interface slots, lot of 6 cisco glcsxmm catalyst 6500 3750 1gb lc duplex gbic 30130102, dell powerconnect 0gm765 power connect 10ge cx4 dual port uplink module gm765, startechcom rk1219sidem wall mount your server or networking equipment sidew, cisco md s9513 dsc9513 fiber channel san switch w 2 dscac6000w ds13sltfan, cisco meraki ms22024phw 24ports rack mountable gigabit switch, cisco small business 300 series managed switch sg30010p switch managed 10, hp t620 thin client amd gx127ga 165ghz 4gb ddr3l 2gb flash, nice ubiquiti edgeswitch es48500w 48port 500w managed poe gigabit switch sfp, 7 x cisco glct sfp transceiver module 30141003 b2 vo3 c9, netgear fs750 50port 10100 mbps modular switch tested, cisco small business 300 series managed switch sg30028p switch managed 28, alcatel lucent os6450p10s parts or repair no power, ibm bladecenter cisco 6port fc 4gb modul dsibmfck9 fru 39y9278 39y9282, bvtech 8 port poe din rail switch gigabit sfp uplink 96w 8023at, tripp lite ups 350va 225w international medical hospital grade 230v iec 606011, netgear gs605 5port gigabit ethernet unmanaged switch white new in box, netgear nighthawk pro gaming sx10 gigabit ethernet 8port switch with 2x 10g, new brocadefoundry fastiron superx fisx1ac chassis fan power supply 5xavail, cisco catalyst 3750, bay networks baystack advanced remote node ethernet base unit cv1001004, f5 viprion ltm local traffic manager c2400 2 b2100 f5vprltmb2100 module l1 nr, aruba 650us 650 series wireless lan controller, genuine cisco new sealed xenpak10gbsr, netgear fs65 5port 101001000 ethernet switch, cisco wssup7203b supervisor engine 720 2port rj45 101001000 switch, pakedge networking switch sx8p managed gigabit switch w 8 rear facing poeport, netgear 5port 10100 fast ethernet switch and 54 mbps wireless usb 20 adapter, startechcom 100baselh sfp transceiver module 100 mbps 80 km msa compl, tripp lite 2postrmkitwm 2post rackmountwallmount installation kit, cisco nexus x9636pq n9kx9636pq nexus 9508 chassis 36 port 40 gigabit qsfp, intel axxsw1gb d91241004 gigabit ethernet switch module for mfsys25, netgear prosafe plus gs105e 5port gigabit ethernet switch switch 5 ports, meraki ms22048lphw cloud managed l2 48port gigabit 370w poe switch unclaimed, netgear netgs105e200nas prosafe 5port gigabit ethernet switch rj45 ports, netgear 5port unmanaged switch fast ethernet desktop 100 mbps fs205 plugnplay, aruba networks s250024pus mobility access switch 44062, cisco sf10016 16 ports 10100 switch , black box 850nm multimode lc sfp 1250mbps fiber with extended diagnostics, cisco cpak100glr4 100gbaselr4 cisco cpak module for smf genuine new cisco, hp procurve 2650 48port ethernet switch j4899a, efficient networks 5851 4 port ethernet 120vac, linksys etherfast autosensing hub 5 ports, cisco firewall service module wssvcfwm1 ii, iogear gcs1782 2port dual link dvi kvmp amp; multimedia switch nib 71 surround, cisco catalyst 2900 managed switch wsc2924cxlen, netgear prosafe 16 port 10100 external switch model fs116, netgear prosafe fs605 5port ethernet switch 10100 mbps

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