IBM Switches

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  • IBM San Switch Total Storage 16 Port Type 2109 Model F16 2 X Psu 18P3688 18P3688
  • Switch IBM 3534 Total Storage San Fibre Channel Switch 35L1801 35L1801
  • IBM Brocade SAN Switch Module for Bladecenter (PN:90P0164)
  • IBM 44W4404
  • IBM Multi-Switch Interconnect Module for IBM BladeCenter 39Y9314
  • IBM FC 2Gb 1-Port PCI-X 133Mhz Qlogic QLA2340 Controller - Option
    $359.51 $387.00 -7%
  • IBM Intelligent Copper Pass-thru Module for IBM BladeCenter 44W4483
  • Switch IBM 2005 B32 32 Port Mini GBIC Switch 2005-B32 22R2307 22R2307
  • IBM 2005 B32 Port SAN Switch Fibre Channel 2005-B32 2005-B32
  • IBM SAN 2109 Fibre Channel Switch 2109-F16 2109-F16
  • IBM 2005-16B Fabric Switch 2005-16B 2005-16B
  • IBM Switch Modular Switch Model 8275-318 2 x 8 Port 100Base Fx PN:8275-318 2nd :8275-318: Alt () Other //
  • New DS-C9124-K9 Cisco DS-C9124-K9 MDS 9124 MultLayer Fabric Switch for IBM System Storage 1U. 8x Cisco DS-SFP-FC4G-SW 4 GB SFP Transceiver
  • HP 8 port upgrade license for 8/8 SAN Switch T5518A
  • Tiger Swich SMC Model 8648T 24x 10 100 1000 Gigabit Ethernet Ports 1x 9-Pin Console Port 4x GBIC Ports SMC8648T MC8648T Other /IBM 26K7531/
  • IBM Switch Modular Switch Model 8275-318 2 x 8 Port 100Base Fx 8275-318 8275-318
  • CISCO DS-C9124-K9 MDS 9124 MultLayer Fabric Switch for IBM System Storage 1U. 8x Cisco DS-SFP-FC4G-SW 4 GB SFP Transceiver (PN: DS-C9124-K9)
  • IBM Bladecenter QLogic 20 port 4Gb San Switch Module 46C7010 (PN:43W6727)
  • Switch IBM 4002Y2C 24 Ports (PN: 4002Y2C)
  • IBM Fibre Switch 8GB 24 Port Switch 16 Active 249824E-16Active 249824E-16Active
  • IBM Dell XIV 45W0463 48 Port Gigibit Switch 45W0463 GP931 Alt 45W0412

Buying guide

Network switches have overtaken hubs and routers in terms of efficient network management. This is because they do more than connect several computers and devices to one another; they act as a traffic light, systematically directing data transfer with the least amount of errors and delay. 


With switches, intelligence trumps speed. And to gauge just how “smart” a switch is, one has to look at the protocols it’s able to perform. Also anticipate the number and kinds of devices to be included in the network as well as future expansions.

Form factor vs. Modular129-Switches > HPSwitch

Form factor switches are the “boxed” variety, meaning they don’t allow that much upgrade options and can usually support up to 48 ports making them ideal for small networks like in the home or small offices. On the contrary, the modular type allows more flexibility in its configurations and is quite suitable for networks that are expected to expand.


Protocols are programs embedded in most electronic devices these days. It’s the common language they share with network managing tools such as switches. Through protocols, switches are able to “speak” to these devices and procure whatever information the network administrator requires of them. Therefore, the more protocols or languages a switches can speak, the more functions it can perform efficiently.

Simple Network Management Protocol (SNMP)

SNMP or Simple Network Management Protocol is the most basic and is present in most type of devices and switches. This protocol has only two operations. The “GET” operation enables an administrator to acquire paramaters and configurations on a device. These information can be stored in a server to be used when some changes need to be made (i.e. installing new software) through the operation “SET”.

129-Switches > TPLinkSwitch

Quality of Service (QoS)

With QoS, a network admin can set priorities on a certain traffic interface. Being able to do so enables a network to have a more efficient control over its bandwidth and equipment and ensure that the most important type of applications get carried out first.

Link Aggregation Control Protocol (LACP)

The Link Aggregation Control Protocol (LACP) is part of IEEE specification 802.3ad that facilitates the bundling of several switch ports into one channel. It’s like putting several narrow streets side by side to create one wider road. For example, if port A has a 12Mbps link speed and port B runs on 14Mbps, bundling them together will yield 26Mbps allowing more traffic through their channel. Now, if port B doesn’t have that much incoming or outgoing data, yet data traffic to port A is heavy, the latter can still use port B’s additional 14Mbps to accomodate its workload.

Virtual Router Redundancy Protocol (VRRP)

Virtual Router Redundancy Protocol enables switches to device a backup plan in case “traffic jams” occur in some parts of the network. It designates a virtual IP addresses and distributes it to several LAN routers, one if which becomes a master router. If this master router fails, another one is automatically chosen to take its place until such time as the problem is fixed. This protocol enables a network to recover faster from isolated crashes.

129-Switches > CiscoSwitch

Spanning Tree Protocol

Spanning Tree Protocol is quite useful especially with larger and more complicated networks. Without STP, data packets broadcasted from one server to several others maybe duplicated over and over thereby filling up the memory with redundant data.

VLAN support


In large-scale networks specially in big companies, people from different departments may not necessarily be in the same physical location. Yet, personnel from a certain department may require unique network privileges from others and if they’re all connected to the same physical LAN router, it will be difficult to distinguish one from another. Most high-end switches solves this problem by assigning each switch port to a unique Virtual LAN or VLAN. With VLAN support, it’s easier to identify and classify each workstation and provide them with their rightful broadcast traffic, therefore increasing network security.



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