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Cisco Business Edition 4000 Makes Your Communications More Simple

October 26 2017 , Written by Cisco & Cisco Router, Network Switch Published on #Networking, #Cisco & Cisco Network, #Cisco Technology - IT News, #IT, #Technology

easy-to-use? cloud-managed? Yes, ideal for small to midsize businesses and supports up to 200 phones, the BE4000, simple, cloud-managed office communications, can help reduce your communications costs and is easy to set up and manage.

Cisco Business Edition 4000, this modern, cloud-managed IP phone system is optimized for small and midsize businesses with up to 200 phones.

Features

Support for the latest IP phones

Choose the right phone for the right situation. Business Edition 4000 supports a wide range of the latest Cisco IP Phone 7800 Series and 8800 Series phones.

Essential calling features

Never miss a call with Business Edition 4000. Make, receive, park, hold, and transfer calls. Access your voicemail. Create hunt groups. Join audio conferences. Route calls effectively with an auto-attendant.

Easy cloud management

Customized views for partners, IT administrators, and end-users give easy access to the key information you need. Intuitive menus make it simple to add new users and phones, turn on calling features, and set your personal preferences.

Security and privacy

All your system data is encrypted, and the Business Edition Management portal supports multi-tenancy, with the two-factor authentication required for admin login.

Investment protection

At the end of your plan, simply renew your Business Edition 4000 subscription. Or migrate to a complete Cisco Spark plan. Enhance return on your initial investment by reusing your Cisco IP phones.

How to deploy Business Edition 4000?

Talk with a Cisco partner to learn more and choose the best options for you.

  • Choose your plan

Our one-, three-, or five-year, pre-paid term-based licensing plans make investment planning easy.

  • Add your hardware

     

Choose the phone and interface card you need to connect to the public switched telephone network (PSTN).

  • Preconfigure your solution

Your Cisco partner preconfigures your dial plan and calling features prior to shipment using our cloud-hosted management portal.

  • Deploy in less than a day

Your system automatically gets its configuration from the cloud and our partner completes the install.

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Cisco 4400 and 4300 Series ISRs, the Differences

October 19 2017 , Written by Cisco & Cisco Router, Network Switch Published on #Networking, #Cisco Routers, #Cisco & Cisco Network, #IT

Cisco ISR 4000 series is the trend among the hardware routers. The popular 4000 Series

ISR models are users’ options. Why? You can read more about the The “Always On” Cisco ISR 4000 Will Replace the Popular Cisco 1900, 2900, and 3900 Series-Benefits of Migrating to Cisco 4000 Series Integrated Services Routers

The 4000 Series comes to five platforms: the 4451, 4431, 4351, 4331, 4321 and 4221 ISRs.

Learn more: ISR 4221, the New Cisco DNA-Ready Platform

Cisco 4000 Series: Technical Highlights and Comparison

The Cisco 4000 Series uses Cisco IOS XE Software, the same Linux-based OS found on the bigger ASR 1000 Series platforms. Cisco IOS XE retains the design and user interface of the Cisco IOS OS used by previous generation Cisco routers, yet allows the use of multi-core CPUs. This setup facilitates separation of the data and control planes and uses dedicated CPUs for services.

Because the services plane is separate from the data and control planes, the router can handle more and heavier services on a single platform, allowing an office to consolidate devices. Solutions such as Cisco Unified Border Element (CUBE), Cisco Unified Survivable Remote Site Telephony (SRST), or various routing services can be deployed more easily and efficiently on a single ISR. In addition, for many of the services, such as CUBE, the scalability is significantly greater without added costs per port. Performance also remains solid across most typical branch-office deployments, providing application-specific integrated circuit (ASIC)-like performance in a highly reliable platform.

X86-based embedded service containers offer dedicated virtualized computing resources that include CPU, disk storage, and memory for each service. An industry-standard hypervisor presents the underlying infrastructure to the application or service. This design offers better scaling and flexibility than a tightly coupled service. Deployment with zero footprint, security through fault isolation, and the flexibility to upgrade network services independently of the router software are other benefits.

And the Cisco 4400 and 4300 Series ISRs have a very similar user interface design.

The biggest difference to most users is that the 4400 Series supports dual power supplies, whereas the 4300 Series does not; this difference makes the Cisco 4451 and 4431 the preferred choices for organizations that cannot tolerate any downtime.

The 4400 and 4300 Series are both designed with the same base architecture as their close relative, the ASR 1000 Series, using distributed control and data plane resources.

The 4400 Series routers have a physical separation between control and data planes, using dedicated CPU sockets for each. The 4300 Series uses a single socket with multiple CPU cores, providing the distributed control plane, data plane, and service plane resources. This is, however, a difference most users will never be aware of.

Figure1 shows the Cisco 4400 Series architecture.

The abbreviations in the figure are as follows:

  1. FPGE: Front-panel Gigabit Ethernet. The Ethernet interfaces on the front panel.
  2. ISC: Internal services card. An internal module used for expanding the capabilities of the system. Commonly used for digital signal processor (DSP) modules.
  3. SM-X: Enhanced service module. A larger module type used mainly for Cisco UCS E-Series Server blades and high-density Ethernet switch modules. Some of the SM-X modules are compatible with the ISR G2 product line.
  4. NIM: Network interface module. Half the size of an SM-X, and generally used for WAN, voice, and lowdensity Ethernet interfaces. NIMs are not compatible with previous-generation ISRs.

Figure1. Cisco 4400 Series Architecture

The Cisco 4400 Series uses two multicore CPU complexes for the data plane (packet processing) and control and services planes. In Cisco IOS XE Software, classic Cisco IOS Software runs as a single daemon within a Linux OS, helping ensure control-plane protocol compatibility with all other Cisco routers. This setup is indicated as “Cisco IOS Software” in the figure. Additional system functions now run as additional, separate processes in the host OS environment. “ISR-WAAS” in the figure is an example of a typical virtualized service in a Cisco IOS XE Software service container. As with the previous ISR G2 routers, a multigigabit fabric supports direct intercommunication on Layer 2 between the Internal Services Card (ISC), Cisco SM-X EtherSwitch modules, and network interface modules (NIMs) without having to be routed through the host router data plane.

Figure2 shows the Cisco 4300 Series architecture, which is similar to the 4400 Series but does not include physical separation of the control and data planes. All functions are, however, exactly the same, with identical enduser experiences and feature support.

Figure2. Cisco 4300 Series Architecture

Individual Models in the Cisco 4000 Series

Figure3. Cisco 4451-X ISR

The Cisco 4451-X is suggested for migration from the existing Cisco 3925E and 3945E routers. It offers 1-Gbps performance, upgradable to 2 Gbps, in a 2-rack-unit (2RU) form factor with three NIM slots and two enhanced service module (SM-X) slots.

The 4451-X includes an option for built-in redundant power.

● 4-core processor (one control and three services processors)

● 10-core data plane

● Single or double-wide Cisco UCS E-Series support

● Up to 16-GB control and services memory

Figure4. Cisco 4431 ISR

The Cisco 4431 is suggested for migration from the existing Cisco 3925 and 3945 routers. It offers 500-Mbps performance, upgradable to 1 Gbps, in a 1RU form factor with three NIM slots. Like the 4451, the 4431 includes an option for built-in redundant power.

● 4-core processor (one control and three services processors)

● 6-core data plane

● Up to 16-GB control and services memory

Figure5. Cisco 4351 ISR

The Cisco 4351 is suggested for migration from existing Cisco 2951 routers. It offers 200-Mbps performance, upgradable to 400 Mbps, in a 2RU form factor with three NIM slots and two SM slots.

● 8-core CPU with four data-plane cores and four cores for control-plane and containerized services

● Single or double-wide Cisco UCS E-Series support, and up to 16-GB control and services memory

Figure6. Cisco 4331 ISR

The Cisco 4331 is suggested for migration from the existing Cisco 2911 and 2921 routers. It offers 100-Mbps performance, upgradable to 300 Mbps, in a 1RU form factor with two NIM slots and one SM slot.

● 8-core CPU with four data-plane cores and four cores for control-plane and containerized services

● Single-wide Cisco UCS E-Series support, and up to 16-GB control and services memory

Figure7. Cisco 4321

The Cisco 4321 is suggested for migration from the existing Cisco 2901 and 1941 routers. It offers 50-Mbps performance, upgradable to 100 Mbps, in a 1RU desktop form factor with two NIM slots and no SM slots.

  • 4-core CPU with two data-plane cores, one control-plane core, and one core dedicated for services
  • Up to 8-GB control and services memory

The Cisco 4000 Series is designed to help branch and remote offices do more with less. These routers provide higher bandwidth for heavy service combinations and greatly enhanced WAN management. They also introduce embedded X86-based virtual machines together with options for data center–class servers, and an unprecedented flexibility in upgrading.

All in all, the 4000 Series provides the branch office with less need for rack space; lower cost for maintenance, power, and cooling; faster rollout of new services; and less time spent by IT staff managing routers. 

Compare ISR 4000 Models

Get the Best Prices on Cisco ISR 4000 Models

Reference from https://www.cisco.com/c/dam/en/us/products/collateral/routers/4000-series-integrated-services-routers-isr/whitepaper_c11-732909.pdf

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802.11ax vs. 802.11ac

October 16 2017 , Written by Cisco & Cisco Router, Network Switch Published on #Networking, #IT, #Technology, #Cisco Technology - IT News

802.11ax is a new WiFi communication standard, designed to cope with a large number of devices at once. 50 different gadgets all demanding a slice of the internet pie shouldn’t be a problem at all, even if they’re using a large amount of data.

Ready for some techy specs? 802.11ax works on the 2.4GHz and 5GHz bands, and it introduces OFDMA (which stands for the catchy Orthogonal Frequency-Division Multiple Access). This basically helps to reduce the amount of interference from other nearby WiFi networks, by using finer channels.

802.11ax vs. 802.11ac

What advantages does 802.11ax actually offer over the existing 802.11ac standard? Well, the main benefit is that 802.11ax offers up to four times the device capacity compared with 802.11ac. In other words, you can connect four times as many streaming boxes, TVs, phones and other online devices at the same time. You now have 12 spacial streams in all: four in the 2.4GHz band, and eight in the 5GHz band. Usually you just get four in total, so that's a serious step up.

You also get four times the user throughput with 802.11ax, an essential feature if you’re going to be connecting so many gadgets at once. This means you shouldn’t notice slower upload and download speeds than before, even with a lot more devices demanding data.

Find your current WiFi range quite limiting? The good news is that 802.11ax offers improved coverage, so you can spread your devices out more than ever before. And yet despite all of these improvements, 802.11ax also gives you extended device battery life.

Difference between 802.11ac and 802.11ax

 

802.11ac

802.11ax

BANDS

5 GHz

2.4 GHz and 5 GHz

CHANNEL BANDWIDTH

20 MHz, 40 MHz, 80 MHz, 80+80 MHz & 160 MHz

20 MHz, 40 MHz, 80 MHz, 80+80 MHz & 160 MHz

FFT SIZES

64, 128, 256, 512

256, 512, 1024, 2048

SUBCARRIER SPACING

312.5 kHz

78.125 kHz

OFDM SYMBOL DURATION

3.2 us + 0.8/0.4 us CP

12.8 us + 0.8/1.6/3.2 us CP

HIGHEST MODULATION

256-QAM

1024-QAM

DATA RATES

433 Mbps (80 MHz, 1 SS)

6933 Mbps (160 MHz, 8 SS)

600.4 Mbps (80 MHz, 1 SS)

9607.8 Mbps (160 MHz, 8 SS)

 

802.11ax Timeline

Qualcomm (Networking chip makers) has just launched the first two 802.11ax compatible chips – the IPQ8074, designed for use in routers, and the QCA6290 designed for use in connected devices such as phones and tablets. However, even though these chips are now a reality, there is no estimated arrival date for the first 802.11ax routers and devices.

Hardware standardization should be done by summer 2017 according to Qualcomm, so the first 802.11ax routers could be released in the UK and worldwide as early as second half of 2017. Otherwise, 2018 is a safe bet.

802.11ax will also be coming to the automotive industry soon, so you can expect to see cars with 802.11ax networking capabilities in the next year or so.

 

FAQ: 802.11ax-the next big Wi-Fi standard

Q: 802.11ax, Standards?

The IEEE standards, put simply, are agreed-upon sets of technological capabilities and features that all devices that want to call themselves, say, 802.11ac, have to have. It’s to make sure that a phone from Samsung works just as well with a Wi-Fi access point made by Aruba as it does with a router made by D-Link or Cisco. If it’s 802.11-whatever-certified, it’ll work with everything else certified for that standard.

MORE: WiFi hotspot blocking persists despite FCC crackdown

Q: New wireless tech gets invented like every day?

It certainly does, and the IEEE has a heck of a time keeping up with it. The standards process is a rigorous one, and it’s necessarily time-consuming. The newest official standard is 802.11ac, which was published in 2013. Before that, 802.11n went official in 2007.

Q: So 802.11ax isn’t fully Used?

Correct. It’s a work in progress, but it’s got a lot of exciting new capabilities – 802.11ac broadened the multi-antenna capabilities (MIMO, or multiple input, multiple output) introduced in 802.11n, but 802.11ax will be able to subdivide signals even further, using a technology called MIMO-OFDM. (Orthogonal frequency division multiplexing, before you ask.)

Q: What’ll MIMO-OFDM do?

Broadly, increase throughput – second-wave 802.11ac technology advertises potential gigabit speeds, although that’s unlikely to be reachable in practice, but 802.11ax’s goal is to deliver as much as five times the capability.

Q: Is that the big point of 802.11ax, then? A simple speed upgrade?

Not exactly. 802.11ax is particularly aimed at high-density Wi-Fi deployments, improving not only speed, but the ability of connections to stay active even when interfered with heavily. If you’ve been to a technology convention or trade show lately, you’ll know that the existing co-existence features built into Wi-Fi aren’t really sufficient to particularly dense environments.

Q: It’s an efficiency thing, then.

Yeah, largely. In essence, it offers a more sophisticated system for routing bits of messages where they need to go.

Q: Sounds good – gimme gimme gimme!

Not so fast – the IEEE probably won’t drop the final certification on 802.11ax until about 2019, and it’s far from clear when certified hardware is going to start coming out. To be fair, hardware has been released before formal certification as far back as 802.11n, but that’s not necessarily something to rely on, at least for business users.

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