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Archive for the ‘Equipment Tips’ Category

The Latest and Greatest from Extreme Networks

Monday, August 30th, 2010

What do Black Diamond, Alpine, and Summit all have in common? Besides references to skiing that is? That’s right! They’re all switches from Extreme Network (Summit switches are fixed configuration while Black Diamond and Alpine are modular). And if you already knew that, then you may be interested in knowing that Extreme Networks, in April of 2010, announced a new network solution at Interop Las Vegas. It’s the highly scalable VIM3-40G4X which adds four 40 GbE connections to the award-winning Summit(R) X650 Top-of-Rack stackable switches for $3,995, or less than $1,000 per port. Now that’s a deal!

This new VIM3-40G4X is fully compatible with the existing Summit X650 and Summit X480 stackable switches. This is ideal in preserving customers’ investments while still providing an effortless upgrade to greatly increased scalability of data centers — both virtualized and non-virtualized.

At Interop Las Vegas, Extreme Networks demonstrated the VIM3-40G4X installed in a Summit X650 stackable switch in a “Top-of-Rack” configuration connected to the BlackDiamond(R) 8800 chassis with a four port 40 GbE module configured as the Data Center core to show the power this switch can lend a network. All of the industry-leading features of the ExtremeXOS(R) modular operating system, including Layer 2/Layer 3 forwarding, redundancy and resiliency features such as EAPS, and the ability to bond together multiple links, are implemented at 40 GbE speeds.

Pricing and Availability: Extreme Networks VIM3-40G4X for the Summit X650 series switch will be in customer trial in the third quarter of 2010 and customer shipment follows at the U.S. list price of $3,995. We think it’s well worth the price.

The Basics of Cisco AutoQoS

Wednesday, August 25th, 2010

If you’re familiar with Cisco networking hardware, you’ve probably come across the term ‘Cisco AutoQoS.’ But what is it and how does it differ from Cisco QoS? Cisco AutoQoS, as an innovative technology,  minimizes the time, complexity,  and operating cost of QoS deployment. Cisco AutoQoS works with Cisco IOS Software and Cisco Catalyst Operating Service to incorporate value-added intelligence and manage large-scale QoS deployments.

Cisco AutoQoS is like a captain of the ship and Cisco QoS is the First Mate. AutoQoS automates consistent, reliable deployment of QoS features across Cisco switches and routers. It senses changes in the network environment and enables various Cisco QoS components and Cisco best-practice recommendations. With the increased prominence of delay-sensitive applications like voice, video, and other multimedia applications deployed in networks today, proper QoS configuration ensures high-quality application performance.

AutoQoS solves several user problems. Typically, QoS network design and implementation over multiple LAN and WAN sites is labor intensive and complex. Customers who wish  to reduce provisioning errors, deployment time,  and operating expenses can optimize their network for the applications, while retaining the flexibility to subsequently fine-tune QoS.

Product of the Month: Cisco’s WS-C3750V2-24PS-S Switch

Sunday, August 15th, 2010

Summer is here and that means it’s time to pick a new product of the month. For August, we’ve chosen the WS-C3750V2-24PS-S from industry leader Cisco Systems.

Why do we like it? The top reason is its features. The Cisco WS-C3750V2-24PS-S features 24 Ethernet 10/100 ports and 2 SFP-based Gigabit Ethernet ports, IPv6, a 32-Gbps, wire rate backplane, and an IP Base software feature set. With370W available for PoE, allowing 15.4W to all ports, the WS-C3750V2-24PS-S is a next-generation energy-efficient Layer 3 Fast Ethernet stackable switch.

Another reason to love this component is because it saves money. This 1RU fixed-configuration, multilayer switch consumes less power than its predecessors and is the ideal access layer for enterprise, retail, and branch-office environments. The WS-C3750V2-24PS-S increases productivity and investment protection by enabling a unified network for data, voice, and video. Reduced power consumption not only lowers overall operational costs, but falls in line with environmental sustainability which is something we should all be focusing on.

The Cisco Catalyst 3750 Series switches represent the next generation of desktop switches featuring Cisco StackWiseT technology. Designed to improve LAN operating efficiency by combining industry-leading ease of use and the highest resiliency available for stackable switches, the Catalyst 3750 Series switches are available used, refurbished & new through MULTI-LINK.

When is it Time to Upgrade Networking Hardware?

Thursday, July 29th, 2010

Sometimes it’s hard to know exactly when it’s time to upgrade networking hardware. And even more difficult, how do you plan for that in your budget months, sometimes nearly a year before you actually need it?  Here are some rules of thumb that will help you know if your networking hardware is good to go for another stretch, or ready to be recycled:

1. You find yourself needing options and features that your current system doesn’t offer. When this happens, most people react by finding the additional service they need and adding it to their current system. For example, you may have a router that offers voice features but leaves something to be desired when it comes to the latest security features. Instead of adding a security component, consider upgrading the entire system to an integrated services router like the Cisco C2911-VSEC-SRE/K9. It may be less expensive and more efficient in the long run.

2. You find your power consumption is through the roof.  Integrated services routers and newer switch components use less power than the older models that don’t unify and simplify features.  You can reduce your operational costs on an annual basis by simply upgrading which may offset the price of the upgrade (and it’s also better for the environment).

3. You find that you’re constantly replacing components. Like a car, networking hardware will age and with age comes issues.  If your network is down enough, you’re already losing money and productivity by waiting for repairs or spare parts to come in. If this is happening, it’s time to trade in that old network hardware and upgrade to something newer. This doesn’t need to be costly though.  Some reputable alternative Cisco providers offer pre-owned equipment with warranties longer than Cisco offers on the same equipment new!  And more often than not, purchasing used equipment won’t negate a service contract with Cisco.  Cisco won’t repair the item they didn’t sell you, but you’re covered by the company you purchased it from for much longer anyway, so you’re better off.

Why We Love the Cisco 1941 Platform

Tuesday, June 29th, 2010

The Cisco 1900 Series Integrated Services Routers platforms are desgined to enable the next phase of branch-office evolution, providing rich media collaboration and virtualization to the branch while maximizing operational cost savings.  Consisting of the CISCO1941/K9, CISCO1941W-A/K9, CISCO1941W-E/K9, CISCO1941W-P/K9, CISCO1941W-N/K9, and CISCO1941W-C/K9, these Integrated Services Routers Generation 2 platforms are future-enabled with multi-core CPUs, Gigabit Ethernet switching with enhanced POE, and new energy monitoring and control capabilities while enhancing overall system performance. In addition, the Cisco IOS Software Universal image and Services Ready Engine module enables you to decouple the deployment of hardware and software, providing a reliable technology foundation that quickly adapts to evolving network requirements. Overall, the Cisco 1900 Series offers unparalleled total cost of ownership savings and network agility through the intelligent integration of market leading security, unified communications, wireless, and application services.

All Cisco 1900 Series Integrated Services Routers offer advanced features like:  embedded hardware encryption acceleration, optional firewall, intrusion prevention, and application services. In addition, the platforms support the industries widest range of wired and wireless connectivity options such as T1/E1, xDSL, 3G, and GE. For the price, the services and flexibility they provide is phenomenal.

Cisco WebEx: Is it for You?

Monday, June 21st, 2010

Ever think about video conferencing to reduce costs?  Cisco WebEx allows companies to hold virtual meetings, trainings, seminars, and even more online.  With WebEx, employees can listen and watch videos and webinars, discuss items, share documents and presentations, and do it directly from their very own desk regardless of where that is.  The biggest benefit to WebEx is the reduction of travel time and costs associated with traveling to meetings so that everyone can be at the same place at the same time.  Flipping on a computer, attending a meeting, and then going right back to whatever it was you were doing before, is undoubtedly more efficient than wasting time traveling.

But are there benefits to meeting face-to-face? Of course. Personal interaction builds relationships in a way that simply can’t happen online, and with personal relationships comes trust and accountability.

Weighing the benefits, you need to decide first if your company would benefit from being able to hold online meetings. With WebEx, you pay a monthly subscription fee, and depending on your package, may pay per attendee. You also have to learn how to use the software to create your presentations and schedule meetings. It’s not rocket science, but there is a learning curve which takes time.

All in all, we’ve checked out what WebEx is capable of and even talked to a representative, and think that for most companies, it’s worth it. Especially for those who have multiple branches whether they’re across town or across the country.  Check it out for yourself. You owe it to find out what you could accomplish by trying something new.

The Cisco AS5350 Universal Gateway vs. AS5350XM

Tuesday, June 8th, 2010

What are the key differences between the Cisco AS5350 Universal Gateway access servers and the new and improved AS5350XM servers???  Here’s a break down of what you need to know about each product line to decide which one better suits your needs:

The newer AS5350XM doubles the CPU performance of the AS5350 with 1-GB main SDRAM versus 512-MB synchronous dynamic RAM (SDRAM) in the predecessor. The AS5350 offers Dual Fast Ethernet 10/100 Ethernet ports while the newer AS5350XM offers Dual Gigabit Ethernet 10/100/1000 Ethernet ports for a higher level of functionality and versatility.  Both are 1 RU units with three Feature Card Slots, so there’s no improvement there, but the AS5350XM has 128-MB Compact Flash Memory compared to AS5350’s 32-MB flash single inline memory module (SIMM).  The most noticeable difference (aside from the overall performance) is that the XM modules offer the following T1/E1 capacity per chassis:

• Voice T1: 2, 4, 8

• Voice T1 G.711: 16, CT3 (672)

• Voice E1: 2, 4, 8

• Voice E1 G.711: 12

• Dial T1: 2, 4, 8

• Dial E1: 2, 4, 8
while the AS5350 only offers  E1: 2, 4, 8 and T1: 2, 4, 8.

High-Density Packet Voice/Fax Feature Card (AS5X-FC) and DSP Module (AS5X-PVDM2-64) is supported on the XM, but isn’t on the older model.
Does that mean you should upgrade? Not necessarily.  Think about your needs before deciding if the AS5350 won’t be sufficient.  Refurbished and new models of the AS5350 are available much cheaper than the XM family of access server products from reputable alternative Cisco providers so unless you’re really in need of significantly higher performance, the original might be perfect for you.

The Cisco AS5350 Universal Gateway: Saying Good Bye

Thursday, June 3rd, 2010

In 2007, when Cisco Systems announced the end-of-sale and end-of life dates for the Cisco AS5350 Universal Gateway, users all over the globe were affected.  The last day to order the Cisco AS5350 Universal Gateway was December 22, 2006 and after 2011, Cisco will no longer support any of the products in this family.

Cisco encourages customers  to migrate to the Cisco AS5350XM Universal Gateway, a one-rack-unit (1RU) gateway that offers best-in-class voice, fax, and remote-access services and supports 2-, 4-, or 8-port T1 E1 configurations. Why? Because high-density configurations (up to 1 Channelized T3 [CT3] or 12 E1s) are supported for G.711 voice over IP [VoIP] applications. The Cisco AS5350XM doubles, yes doubles, the performance of the Cisco AS5350 and delivers significant memory enhancements to offer high performance and high reliability in a compact modular design. In addition, the Cisco AS5350XM Universal Gateway supports high-density packet voice feature cards (AS5X-FC) and digital signal processor (DSP) modules (AS5X-PVDM2-64), universal port DSP feature cards, and existing Cisco AS5350 PSTN trunk termination feature cards in a more powerful chassis to help ensure continuing network investment protection. The Cisco AS5350XM Universal Gateway can meet service provider and enterprise session-border-controller (SBC) requirements through support for the Cisco Multiservice IP-to-IP Gateway, an integrated Cisco IOS® Software application that facilitates connectivity between independent VoIP and video networks.While this cost-effective platform is ideally suited for service provider and enterprise environments that require innovative voice, fax, and data services, what if you’re not ready to upgrade?
Luckily, alternative Cisco providers like MULTI-LINK Communications Products, are committed to continuing to carry AS5350 Universal Gateway modules for their customers. Refurbished (and warranted) products like the AS535XM-8T1-192-V are available at huge discounts and there are also new models available as well. Before you say good bye to your access server– or any of your Cisco products– check out alternative sources.  Upgrade when you’re ready, not when the manufacturer tells you to.

Why Cisco Network Systems are Considered the Best

Monday, May 10th, 2010

When computer networking is the topic, industry leader Cisco Systems usually comes to mind. But why? What is it about Cisco’s products that keep them ahead of the rest? We did a little research and here’s what we found…

First, Cisco network systems solutions bring together core networking functions like routing, switching, security, WAN optimization, and Internet services. The marrying of these functions helps to enable anytime, anywhere, secure communications whether it’s just throughout your company or across the Internet.

Second, Cisco network systems utilize an end-to-end approach that allows central network centrally. Everything is managed from one place. These scalable solutions allow businesses to incrementally upgrade, add, or downgrade equipment as their needs evolve.

Third, Cisco network systems solutions create an inherently adaptable, intelligent, integrated network. This adapatibility provides secure, unconstrained connectivity between employees, customers, and information.

Fourth, the solutions deliver real-time applications like video and voice on a high-quality, converged network platform.  This quality enhances end-user productivity.

Last, the way these solutions are not only managed but conceived, reduces operating expenses by simplifying management, limiting upgrade costs, and creating what is truly a self-defending network.

While the technology is present in many other companies, Cisco manages to combine the technology with a vision. The company understands the way business work flow happens, how network managers think, and gives you customized options.  It’s this understanding and vision of all the companies that utilize Cisco networks that set Cisco apart from its competitors.

Tips on Ordering a Cisco AS5350XM Universal Gateway

Wednesday, May 5th, 2010

You’re interested in ordering a Cisco AS5350XM Universal Gateway, but don’t know exactly what you need to meet your business’ requirements? We’re here to help…

We all know the Cisco AS5350XM Universal Gateways offers unprcedented capacity and flexibility. After all, it to deploys advanced voice, fax, and remote-access services to customers worldwide, proving time and again that it can handle the scale, reliability, and suite of services required to meet market demands.

With three slots that can take trunk  cards, high-density packet voice/fax digital signal processor (DSP) feature cards, and universal port DSP cards, the Cisco AS5350XM Universal Gateway is compatible with these trunk card options: 2CT1, 2CE1, 4CT1, 4CE1, 8CT1, 8CE1, and CT3. But which combination is right for you?
Before you start choosing your features, answer these questions:

1. Is an AC or DC power supply required?

2. Is a non-redundant or a redundant power supply preferred?

3. What is the ingress trunk type? Note that the platform supports CT1, CE1, and CT3 ingress trunks.

4. What cable or connector type is required to connect the trunks?  Specific cable types such as DB15, RJ-45, BNC, etc. may be required to connect the E1/T1 trunks to the Cisco AS5350XM Universal Gateway. The RJ-45 is sometimes referred to as RJ-48C.

5. What trunk signaling is used?

6. If T1 or E1 cables will be used for ingress, do you need the optional eight PRI breakout cable rack-mount bracket to organize cabling?

7. Which of the following kinds of calls will be terminated on the platform?

8. Which applications need to be supported: Packet voice and fax, or universal port (dial-up/remote access in combination with voice), or dial only?

Note that for voice and fax applications, it’s better to choose bundles or starter kit configurations that include high-density packet voice/fax feature cards and DSP modules.  For combined voice, fax, and remote access applications, choose bundles or starter kit configurations that include universal port DSP feature cards. For remote access apps, always choose bundles or starter kit configurations that include dial DSP feature cards.

Another tip:  before ordering through the manufacturer’s distribution chain, always look around for alternative Cisco providers that offer both warranties and discounts off the manufacturer price. Some of these companies are highly reputable and offer both refurbished and brand new options at a savings, and even warrant the product longer than Cisco will!  It can’t hurt to look around before you buy and it might just save you a lot of money in the long run.