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Cisco CCNA certification looks great on your resume, and it also teaches you vital real-world networking skills. One exam topic that you'll definitely s

According to USFDA, a combination product is one composed of any combination of a drug and device; biological product and device; drug and biological product

ee in today's networks is the configuration of an Etherchannel on a Cisco router. You need to know how to build and verify one - so let's build one righ

; or drug, device, and biological product and fixed dose combination would include two or more combinations of drug.

Examples of combination products may in

t now!

In this Cisco training tutorial, we'll use two switches that are connected at ports 0/11 and 0/12 via crossover cables. SW1 is the root bridge,

lude drug-coated devices, drugs packaged with delivery devices in medical kits, and drugs and devices packaged separately but intended to be used together.

SW2 is the non-root bridge. Even though there are two separate physical connections, spanning tree protocol (STP) will only allow the use of one, as ver

here is enormous increase in the number of combination products entering the market in the recent years. Combination products have proven advantages but fixe

fied by the partial output of "show spanning vlan 1" on SW2.

Fa0/11 Root FWD 19 128.11 P2p

Fa0/12 Altn BLK 19 128

d dose combinations are still in the process of convincing regulatory authority on their advantages over the single ingredient formulations.

Combination pro

.12 P2p

It's a waste of network resources not to use that second physical path. Additionally, there's going to be a delay in cutting over from 0/11 t

ucts have become life saving products for the pharmaceutical companies who doesn’t have many innovative molecules in their product pipeline and have been inc

o 0/12 if the forwarding path goes down for some reason. We can get around both of these issues by creating an Etherchannel. An Etherchannel is a logic

easingly used in the product life cycle management. Even the companies having product patents are trying to extend their product life cycle through the combi

l bundling of physical paths into one logical path. By configuring an Etherchannel on both 0/11 and 0/12, we will be left with one logical connection th

nation products and maximize the revenues. But the companies involved in this practice are overlooking that they are burdening the patients both economically

at will actually use the full capacity of both physical connections!

SW1(config)#int fast 0/11

SW1(config-if)#channel-group 1 mode on

Creating a port-

and physically. They need to rightly judge the benefits of the combination products and they have to even look at the risks involved when combining the produ

channel interface Port-channel 1

The channel-group command must be configured on each physical interface that we want to place into the Etherchannel, so

ts. Some of the combination products were well accepted by physicians while others suffered. Companies involved in development of combination products are fi

we'll have to configure it on ports 0/11 and 0/12 on both SW1 and SW2. Naturally, the group number used must match among all ports placed into the Ether

ding difficulty in defining their combination products and facing various challenges from selecting a combination to marketing it.

Following aspects would a

channel

Did you notice the router message "creating a port-channel interface port-channel 1"? You can verify the creation of that virtual interface jus

dd to the challenges in developing combination products:

Which markets to tap where the combination products can do fairly well?
Which combination prod

t as you would a physical interface:

SW1#show int port-channel 1

Port-channel1 is up, line protocol is up (connected)

Hardware is EtherChannel, addres

cts are meaningful and rational?
Which therapeutic categories to select?
Which Combinations can address unmet needs of the patients?
Do combin

s is 000f.90e1.c24b (bia 000f.90e1.c24b)

Note the readout "Hardware is EtherChannel". Also, where we once saw two physical ports when we ran "show span

tions increase the patient compliance?
What would be the developing cost?
How to tackle the risks encountered during combination product developmen

ing vlan 1", we now see only one - the port-channel. Also note that where the individual ports had a port cost of 19, the Etherchannel has a cost of 12

t?

As combination products don't fit into the traditional categories of drugs, medical devices, or biological products, the USFDA is in the process of devel

due to its increased bandwidth capabilities.

Po1 Desg FWD 12 128.65 P2p

Etherchannels give us a performance benefit and a fault t

ping new procedures for reviewing their safety, efficacy and quality.

Professional from academic institutions, pharmaceutical industries, health care indust

olerance benefit as well. Performance is increased since all physical channels between the two switches can be used, rather than the one STP allows by d

y and representatives from various regulatory agencies are working out to design the regulatory requirements for manufacture and sale of combination products

fault. (You can place up to eight separate physical links into a single Etherchannel.) Fault tolerance is also increased, since a physical channel bundl

.

As there is an increasing trend of the combination products companies manufacturing such products should be able to tackle the problems involved in the de

ed into the Etherchannel can go down without an STP recalculation -- STP sees the Etherchannel as one single connection!

Etherchannels aren't just impor

elopment. They need to be wiser in analyzing the market trends and the regulatory requirements.

Companies that provide selfless information through particip

tant to know about for the CCNA exam, they're commonly used in real-world networks as well - so make sure you know how to configure and troubleshoot them

tion in industry events and feedback to regulatory authorities would be able to face the challenges and will be successful in developing combination products

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<a href="http://www.actual.org.ua/article/170995/actual-Cisco-CCNA-Certification-Training--Etherchannels-And-Spanning-Tree-Protocol-STP.html">Cisco CCNA Certification Training: Etherchannels And Spanning Tree Protocol (STP)</a>

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