Download Skype 1.1 For Apple iPhone And iPod Touch

The well-known VoIP company
, Skype has launched its new updated Skype 1.1 application
for Apple’s iPhone and iPod Touch, which includes a host of new features including voicemail support, enhanced interface and capable of send SMSs at great Skype rates, aiming to enrich your Skype experience.

skype iPhone

“Skype for iPhone will open up new ways for more than 400 million Skype users to stay connected and take their Skype conversations with them,” said Scott Durchslag, chief operating officer of Skype. “Skype for iPhone is an experience that offers the same simplicity, ease-of-use and quality our users have come to expect from Skype, combined with an elegance of design and richness so loved by Apple’s many customers worldwide.”

New features of Skype 1.1 for iPhone and iPod Touch:

* Send low-cost text messages (SMS) to friends and family around the world using Skype credit
* Allows users to listen to their Skype voicemail while on the move
* Improved look and feel using the dial pad, while calling phones
* Supports Danish, Dutch, Finnish, French, German, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Portuguese (Portugal), Russian, Simplified Chinese, Spanish, Swedish, Traditional Chinese and English languages

The latest updated Skype 1.1 for iPhone and iPod touch is now available for download through iTunes App Store on your device.

Samsung Moves to 45-nm Process Technology for More Powerful ARM Processors

Nowadays chip processor fabrication technology has been improved as an effort to scale up the processor performance as well as reducing overall cost. Similarly, Samsung, the Korean based manufacturer has just announced its first ARM based processor fabricated using 45-nm process technology. Named as S5P6440, it is an application processor that based on ARM1176 core targeted for portable consumer products such as PND (Personal Navigation Device).

The core processor will be clocking at either 533MHz or 667MHz and can be designed in tiny foot print with both the memory controller and graphics accelerator engine being integrated into it. Measured at only 13mm X 13mm in FPGA package, it fits well in space constraint form factor design suitable for both mobile computing and navigation system. The S5P6440 is expected to be thermally efficient and capable to handle graphics intensive applications while able to stay cost competitive as compared to other solutions such as MIPS or X86 based architecture. As expected, the end device will be compatible to run with either Linux or Windows CE but not commonly available Microsoft Windows XP or Vista operating systems.

The product is already in sampling stage now and mass production will be ready around third quarter this year.

Thanko’s Spy Video Camera for Secret Shooting

Espionage is not everyone’s cup of tea. But if there are any James Bond wannabe, there are various devices in the market for spying purposes. Smart as a button is pretty apt for Thanko’s Spy Button video camera. The five nondescript buttons look like they belong on your shirt but can secretly capture video in VGA @ 15 fps or stills in 1280×1024. It has a 4GB internal memory for uninterrupted footage. The camera can be plugged to a PC via USB to download the photos or video after shooting.

spy-button

The camera is easily operated via magnetic on/off switches camouflaged as a gold ring on your finger. For the spy in you, Thanko’s Spy Button is an apt acquisition.

AnthroTronix Unveils the First Commercial Version of AcceleGlove

We have heard about Gloves with sensors that can be used to sense users’ movements and eventually be translated to some electrical signals interacting with computer system directly. However, most of them are either available in prototype stage or being used for specific applications that none of them is ready for commercial market. Good news now, AnthroTronix has just announced the readiness of its first commercial version of AcceleGlove for consumer market.
acceleglove

The mechanism behind of how the AcceleGlove works is it is based on a number of Accelerometers that resided in each fingertip and hand locations that will detect the gesture movements which can be programmed to handle different computer tasks. All these sensor data will be feed through a tiny circuitry board located behind the gloves and trigger further action accordingly. The usage model is very wide, ranging from sports activities, gaming, children education as well as robotic control since it allows developer to program for any applications that they prefer. Good thing is, the AcceleGlove can be stretch to fit different hand size while still allowing convenience typing as usual.

The AcceleGlove is expected to cost around $499, which is quite affordable for users that need a unique way of interacting with PC system for much efficient and powerful tasks handling experiences.

Used Cisco 1700 Routers

The Cisco 1700 Series modular and fixed-configuration access routers are designed by Cisco to provide integrated access for small and medium businesses and enterprise small branch offices. Network Hardware Resale carries pre-owned, refurbished and used Cisco 1700 internet routers in most configurations offered by Cisco. Refurbished Cisco 1700 Series modules and accessories are also available. NHR offers 1 Year Warranty and the lowest price on Used Cisco 1700 Routers. Up to 95% OFF List. All Cisco routers including Cisco 1700 routers are fully tested and guaranteed!


Cisco 1700 Series Routers
Product Id Description Quote
CISCO1750 10/100 Modular Router w/1VIC, 2WIC/VIC slots,Cisco IOS IP SW
CISCO1750-2V 10/100 Modular Router w/2 Voice channels, IOS IP/VOICE + SW
CISCO1750-4V 10/100 Modular Router w/4 Voice channels, IOS IP/VOICE + SW
CISCO1751 10/100 Modular Router w/ 3 slots, IOS IP, 32F/64D
CISCO1751-V 10/100 Modular Router w/Voice,32F/96D
CISCO1760 10/100 Modular Router w/ 4 slots,19-in Chassis,32F/64D
CISCO1760-V 10/100 Modular Router w/Voice,19-in Chassis,32MB FL/96MB DR
Cisco 1700 Series Router Bundles
Product Id Description Quote
CISCO1700-VPNU/K9 VPN / Security Upgrade w/VPN Module, 32MB DIMM, Security IOS
CISCO1701-K9 ADSLoPOTS Router w/ISDN-BRI-S/T,K9 Image,32MB Fl, 96MB DR
CISCO1710-VPN-M/K9 Dual-Ethernet Security Access Router, VPN Module, IP/3DES/FW
CISCO1711-VPN/K9 1711 Security Router w/VPN Mod, 32MB Flash, 96MB DRAM
CISCO1712-VPN/K9 1712 Security Router w/VPN Mod, 32MB Flash, 96MB DRAM
CISCO1720 10/100BaseT Modular Router w/ 2 WAN slots & Cisco IOS IP SW
CISCO1720-ADSL 10/100 BaseT Modular ADSL Router
CISCO1720-SHDSL 10/100 BaseT Modular G.SHDSL Router
CISCO1720-VPN-M/K8 1720 VPN Bundle, Dual-E w/1 WAN slot, VPN Module, IP/FW/DES
CISCO1720-VPN-M/K9 1720 VPN Bundle, Dual-E w/1 WAN slot, VPN Module, IP/FW/3DES
CISCO1721 10/100BaseT Modular Router w/2 WAN slots, 32M Flash/64M DRAM
CISCO1721-ADSL 1721 bundle, w/ADSLoPOTS WIC,IP/ADSL,32MB FL/64MB DR
CISCO1721-ADSL-DG 1721 bundle w/WIC-1ADSL-DG, IP/ADSL,32MB FL/64MB DR
CISCO1721-ADSLI 1721 bundle w/ADSLoISDN WIC, IP/ADSL,32MB FL/64MB DR
CISCO1721-SHDSL 1721 bundle,w/WIC-1SHDSL,IP/ADSL,32MB FL/64MB DR
CISCO1721-VPN/K9 1721 VPN Bndl w/VPN Mod,96MB DRAM,32MB Flash,IP Plus/FW/3DES
CISCO1721-VPN/K9-A 1721 VPN Bnd w/ADSL WIC,VPN Mod,96MB DR,32MB FL,IP+/FW/3DES
CISCO1750-ADSL 10/100 BaseT Modular ADSL Router
CISCO1751-VPN/K9 1751 VPN Bndl w/VPN Mod,96MB DRAM,32MB Flash,IP Plus/FW/3DES
CISCO1751-VPN/K9-A 1751 VPN Bnd w/ADSL WIC,VPN Mod,96MB DR,32MB FL,IP+/FW/3DES
CISCO1760-ADSL 1760 bundle, w/ADSLoPOTS WIC, IP/ADSL,32MB FL/64MB DR
CISCO1760-SHDSL 1760 bundle,w/WIC-1SHDSL,IP/ADSL,32MB FL/64MB DR
CISCO1760-V3PN/K9 V3PN Bndl w/1760-V/128MB DR/32MB FL/VPN Module/4-Ch DSP
CISCO1760-V-CCME Cisco 1760-V with 24-user CCME Feature License,32F/128D
CISCO1760-VPN/K9 1760 VPN Bndl w/VPN Mod,96MB DRAM,32MB Flash,IP Plus/FW/3DES
CISCO1760-VPN/K9-A 1760 VPN Bnd w/ADSL WIC,VPN Mod,96MB DR,32MB FL,IP+/FW/3DES
CISCO1760-V-SRST Cisco 1760-V with 24-user SRST Feature License,32F/128D
Cisco 1700 Series PVDM
Product Id Description Quote
PVDM-256K-12 12-Channel Packet Voice/Fax DSP Module
PVDM-256K-16 16-Channel Packet Voice/Fax DSP Module
PVDM-256K-16HD 16-Channel Packet Voice/Fax DSP Module for 1700
PVDM-256K-20 20-Channel Packet Voice/Fax DSP Module
PVDM-256K-20HD 20-Channel Packet Voice/Fax DSP Module for 1700
PVDM-256K-4 4-Channel Packet Voice/Fax DSP Module
PVDM-256K-4U12 Cisco 1760-V 4-Channel to 12-Channel PVDM Factory Upgrade
PVDM-256K-4U16 Cisco 1760-V 4-Channel to 16-Channel PVDM Factory Upgrade
PVDM-256K-4U20 Cisco 1760-V 4-Channel to 20-Channel PVDM Factory Upgrade
PVDM-256K-4U8 Cisco 1760-V 4-Channel to 8-Channel PVDM Factory Upgrade
PVDM-256K-8 8-Channel Packet Voice/Fax DSP Module
PVDM-4 4-Channel Packet Voice/Fax DSP Module
PVDM-8 8-Channel Packet Voice/Fax DSP Module
Cisco 1700 Series Power Supplies
Product Id Description Quote
PWR-1700-WW1 Cisco 1700 AC Power Supply - WORLD-WIDE


Download:link

Cisco IP Routing: Packet Forwarding and Intra-domain Routing Protocols

Name: Cisco IP Routing: Packet Forwarding and Intra-domain Routing Protocols
Author: By Alex Zinin
Publisher: Addison Wesley Professional
Pub Date: October 30, 2001
Print ISBN-10: 0-201-60473-6
Print ISBN-13: 978-0-201-60473-3
Pages: 656
Slots: 2.0
As a networking professional, you will find this practical guide an invaluable resource for understanding routing technologies and configuring and troubleshooting Cisco routers, as well as for studying for the CCIE exam. Cisco IP Routing presents the most thorough information available on the inner workings of Cisco routers. Focusing on intra-domain dynamic routing protocols, the book provides an in-depth understanding of IP routing and forwarding technologies, and their implementation within Cisco routers.


You will find essential background information on IP addressing, general routing and forwarding processes, and routing table maintenance. The book discusses packet forwarding and static routing, and details the specific mechanisms inside the dynamic routing protocols, covering both the distance vector and link-state routing protocols. Routing Information Protocol (RIP), Interior Gateway Routing Protocol (IGRP), Open Shortest Path First (OSPF), and Enhanced IGRP (EIGRP), Cisco's proprietary routing protocol, are covered in depth within the context of Cisco's implementation.

Cisco Network Magic Pro

Today Cisco has introduced a suite of network management software named Network Magic 5.0 . This tool will improve various network tasks like- connecting and sharing computers(content & printer), control computers on network while accessing Internet, connection repairing features, manage performance problem to provide optimize performance and many more. This tool run in the background and indicate/alert each time when new device connect to your network.
The Network Magic 5.0 suit provide the various functionality and provide capability to

* Connect and share content or a printer across a network
* Manage, monitor and control how computers on the network access the Internet
* Diagnose and repair connection and performance problems
* Optimize performance and reliability
* Track network history and usage through reporting capabilities
* Manage active connections and get status updates Control user
* Access and help secure the network from intruders

Features:

* Connect your devices together in minutes.
* Share Internet connections, printers and files.
* Protect your network with enhanced WPA security capabilities and
status alerts.
* Repair your network and Internet connections to stay online and
productive.
* Control access to the Internet and track online activity with remote
desktop screenshots.
* And much more!

Mail me if u want link

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Guarantee your 640-802 success with our 640-802 Exam Resources. Our exams are developed by experiences IT Professionals working in today's prospering companies and date centers. All our practice exams including 640-802 exam guarantee you the exam success you need.

640-802 can be a challenging exam, measuring your 640-802 Exam skills, and compliments the other exams in this certification.

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Cisco VPN Client Instructions for MS 2000/XP/Vista

Vista Users - please read this first!

The Cisco VPN client only works on Vista machines that meet the below requirements:

• - 32 bit version only
• - Clean OS installation of Vista required
• - 'Start before logon' feature not supported
• - SmartCard Authentication not supported
• - 64 bit not supported

Cisco VPN Client: installation, setup and use...

These steps should be followed to prepare your computer to use the VPN Service at WSU:

• Download and install a VPN Security Certificate New 2008 certificate now available!
• Download and install the Cisco VPN client (version 5.0.01.0600)
• Configure the Cisco VPN client
• Using the Cisco VPN client
• (optional: setting up the VPN client to logon the VPN session prior to logging onto Windows)

Instructions to download and install the VPN Security Certificate...

The digital Security Certificate is used by the Cisco VPN client establish an encrypted tunnel between your computer and the WSU VPN Gateway. The Security Certificate must be installed (imported) before the VPN Client is configured.

Note: The following screen shots were made using Windows XP and Internet Explorer 6. If you are using different software, some of the screens may appear different but their function should be the same.

The result of this procedure will be the creation of two certificates on your computer. One will be the root certificate of the Information Technology Certificate Authority (CA) and the other will be the VPN Security Certificate that is used to configure the VPN Client Software. This latter certificate is a personal certificate. Click here for information on how to manage certificates using Windows 2000 and XP.

1. Start the download by clicking this file name: wsuvpn.pfx
   (this is a new certificate as of March 2008 that replaces the ‘old’ certificate)
   
   The "File Download" window will appear. Click the Open button to start the Certificate Import Wizard. (You could alternately click the 'Save' button, locate the file when the download is complete and then start the Certificate Import Wizard by double clicking the file.)
   
   
2. Click the Next button.
   
   
3. Click the Next button. This will cause the display of a password prompt window.
   
   
4. Enter wsuvpn in the password area. Ensure that the two check boxes are blank. Click the Next button.
   
   
5. Allow Windows to automatically select a certificate store and click the Next button.
   
   
   
6. Click the Finish button to start the actual importing of the certificates.
   
   
   
7. Click the Yes button to add the Information Technology CA's certificate into your Root Store.
   
   
   
8. Click the OK button.
   
   

Both the CA Root and the WSU VPN Security Certificate are now installed on your computer. The second step (outlined below) will discuss how to download and install the Cisco VPN client.

Instructions to download, install and configure the Cisco VPN client...

1. Start the download of the Cisco VPN client by clicking on the file name: cisco_2000-XP-Vista_client.exe
   
   When the following "File Download" screen appears, click the Run button. (You could alternately click the 'Save' button, locate the file when the download was complete and then open it by double clicking.)
   
   
2. Select Run when prompted to run the software application.
   
   
3. The WinZip Self-Extractor window will appear as seen below.
   
   
4. Change the "Unzip to folder" to a name you can easily find. This example will use c:\vpnclient as seen below.
   
   Click the Unzip button to create folder c:\vpnclient on your hard drive.
   
   
5. Click the OK button to begin the Cisco VPN Client installation process. Please wait patiently while the installation proceeds (it may take a minute or more...).
   
   
6. Once the 'Welcome' windows appears, click the Next button.
   
   
7. Select the 'I accept the license agreement' radio button, then click the Next button.
   
   
8. Select the Next button to indicate the software is to be installed on your hard drive in the 'C:\Program Files\Cisco Systems\VPN Client\' directory:
   
   
9. Select Next to begin the installation process...
   
   
10. Once the installation has completed, click the Finish button.
    
    
11. You can now restart your machine. Section C below will discuss the steps required to configure the VPN client.
    
    

Instructions to configure the Cisco VPN client.

1. Start the Cisco VPN client. You can either double-click your client icon or use the Windows Start Menu to execute the VPN client application using the path: Start Menu / All Programs / Cisco Systems / VPN Client / VPN Client (the actual file name of the client is: ipsecdialer.exe)
   
   Once launched, the below window will appear.
   
   
2. Create a new Connection Entry by clicking the 'Connection Entries' menu item (or tab), then clicking New
   This will bring up the below Connection Entry window.
   
   
3. Fill in "Connection Entry:", "Description:", "Host":, click "Certificate Authentication" and select the "WSUPNb (Microsoft)" certificate.
   
   Click Save.
   
   
4. The main VPN Client window now looks similar to the image below.
   
   
5. You are now finished configuring the Cisco VPN Client.
6. To connect to the WSU Network, double click the "WSU VPN" connection entry.

Using the VPN Client.

1. Start the Cisco VPN Client and you will see the below window.
   
   
2. Double click the "WSU VPN" Connection Entry. The User Authentication prompt window will appear.
   
   
3. Type your WSU Network ID or Friend ID and password. Then click the 'OK' button.
   IMPORTANT - Friend IDs must append @wsu to the end of their Friend ID.
   
   A series of connection messages will appear on the status bar of the VPN Client window. When the connection is established, a Banner is displayed.
   
   
4. You may also see a 'connected' image near your Windows toolbar and see a yellow VPN Client icon in the toolbar as well.
   
   
5. Click Continue and the Cisco VPN Client window closes and an icon appears on your Task Bar.
6. You are now successfully up and running on the WSU network using a secure VPN tunnel.

Wireless Users and Off-Campus Users: All traffic bound for WSU campus locations will be securely passed through the VPN tunnel.

Off-Campus Users ONLY: Traffic bound for other non-WSU locations (like Yahoo, Google, etc...) will not pass through the VPN tunnel but will travel out your local ISP connection un-encrypted.

Cisco VoIP Monitoring

cisco Systems, Inc. is the worldwide leader in networking for the Internet. Cisco IP telephony products are a key component of the Cisco Unified Communications system, which delivers the business benefits of a converged network to organizations of all sizes. Cisco IP telephony products support a wide breadth of Session Initiation Protocol (SIP) capabilities. This network provides a secure foundation optimized for data, wireless, and IP Communications, and includes the ability to support IP-to-IP gateways for easy and cost-effective connectivity between independent voice-over-IP (VoIP) networks and analog phone gateways using your existing phone equipment.

Cisco VoIP Products:

Cisco CP-7906G, Cisco CP-7914, Cisco CP-7936, Cisco CP-7936-PWR-KIT, Cisco CP-7940G, Cisco CP-7941G, Cisco CP-7960G, Cisco CP-7960G Refurb, Cisco CP-7961G, Cisco CP-7970G, Cisco CP-DOUBLEFOOTSTAND, Cisco CP-PWR-CUBE, Cisco CP-PWR-CUBE2, Cisco CP-PWR-CUBE3, Cisco CP-PWR-CUBE3 10Pack, Cisco CP-SINGLEFOOTSTAND,

Summary:

With NimBUS solutions, organizations can monitor and manage every service and system within their entire Cisco VoIP (Voice over IP) ecosystem:

• VoIP Networks
• VoIP Call Activity
• VoIP Messaging
• VoIP Unified Communications

By offering a comprehensive, centralized view into all vital areas that comprise the VoIP infrastructure, NimBUS solutions enable organizations to better optimize resource utilization, improve reliability, and better ensure SLA compliance.

Download our Cisco VoIP Monitoring Data Sheet

VoIP is increasingly relied upon to deliver vital communications services for organizations around the world. To ensure these services meet the reliability and quality demands of end users, organizations must be able to monitor and proactively manage every component within their VoIP infrastructure, including not only the underlying VoIP networks and components, but all the services that run on those networks.

NimBUS solutions offer organizations a centralized, cohesive way to manage all the VoIP systems and services that play a role in the quality of service end users ultimately experience. With NimBUS, organizations can more effectively ensure continuous SLA compliance and end-user satisfaction.

NimBUS solutions enable organizations to monitor these vital systems within their VoIP infrastructure:

• VoIP networks. NimBUS for Cisco IP SLA performs traffic simulations across Cisco devices to proactively detect and preempt excessive jitter, packet loss, and high latency.
• VoIP call activity. NimBUS for Cisco CallManager monitors all aspects of call activity in the Cisco VoIP environment, including CallManager services, H.323 calls, IP and ATA phones, gateways, ports, processes, memory utilization, and much more.
• VoIP messaging. NimBUS for Cisco Unity offers a comprehensive picture of the performance of both the Unity server operating system and all key messaging processes and services—including calls, log ins, greetings, playback, recording, and more—to ensure the end-user’s messaging experience is efficient, reliable, and productive.
• VoIP unified communications. With the NimBUS Cisco UCM probe, administrators can monitor key health and performance metrics for the entire unified communication system—including IP phones and devices, gateways, gatekeepers, voice mail devices, and media devices.

Critical Monitoring Data: When and How it’s Needed

NimBUS solutions compile, analyze, and monitor performance data to provide real-time tracking and historical reporting of the entire VoIP infrastructure, including VoIP networks, call activity, and messaging. NimBUS delivers this vital information via alarms, operator consoles, business dashboards, long-term trend reports, and SLA compliance reports.

Getting Started with NimBUS is Easy

NimBUS VoIP solutions are easy to implement and maintain, and require minimal administrator training. If you would like to request a free trial of NimBUS, please click here.

Cisco and Microsoft in Clash of the UC Titans

According to a new study by analyst firm Infonetics Research, Cisco and Microsoft are locked in a "battle of the titans" for the unified communications (UC) market, with both vendors currently favored by buyers as Unified Messaging and Communicator suppliers. As almost an aside, the news release on the study says, "Avaya and Nortel also fare well as current UC suppliers." I'm sure Avaya and Nortel are thinking -- and to quote Rodney Dangerfield, "I get no respect."

According to Infonetics, "It's no secret that Microsoft is predicting the death of the PBX, to be replaced by a software-based communication approach like OCS 2007; but we didn't find many people convinced that this is yet the way to go. What we're seeing instead is companies keeping their IP PBXs, and layering unified communications applications on top. Microsoft is seeing early success by leveraging their leadership in e-mail messaging and desktop environments. The incumbent IP telephony players are also faring well. There are still opportunities ahead for vendors looking to get into or ahead in the unified communications market, because many buyers don't yet know who they will be buying from two years from now," said Matthias Machowinski, directing analyst for enterprise voice and data at Infonetics Research.

Infonetics' study, "User Plans for Unified Communications: North America 2008", is based on interviews with 80 medium and large organizations based in North America to determine the market potential, product requirements, and implementation plans for unified communications products and services. More than 80% of those interviewed have already adopted either unified messaging or communicator, and all will adopt both by 2009, by study design.

The study features buyers' ratings of 5 UC vendors--Avaya, Cisco, IBM, Microsoft, and Nortel--on a number of criteria, including reliability, value, pricing, features, innovation, integration with third party vendors, and financial stability. According to respondents in the study, there are no clear ratings winners, with all manufacturers fairing well in some areas and not others. For example, Cisco rated high on reliability but low on pricing, and Microsoft rated high on financial stability but low on reliability.

Almost all vendors got docked for interoperability, indicating this area could use some serious improvements, and likely will be a major barrier to adoption of unified communications.

Other highlights from the study:
- The number-one reason given by study respondents for adopting
UC is improving employee productivity
- UC will start as a convergence of voice and e-mail, the most
widely used communication services, involving a single in-box for different message types, contact management, click-to-communicate capability, and presence
- Over time, companies will take on more complex projects; for
example, by adding new communication modes like video and new devices like mobile, or by integrating communications with business processes
- VoIP is not a requirement for UC, but there is a strong
correlation between the two; not having VoIP deployed pervasively is a barrier to deploying UC, and many respondents want to deploy VoIP first, then UC.
For more info on the report, head on over to Infonetics.

cisco-autoqos-enables-easy-voip-qos

Saw a good article on Enterprise Networking Planet about AutoQoS, a new Cisco IOS command to make provisioning QoS on your router much simpler -- much more plug-n-play. With time-sensitive (latency, jitter) apps such as VoIP, QoS is critical. How simple is turning on AutoQoS? Well, to turn on QoS on your WAN interface, you just type this:

interface Serial0
bandwidth 256
autoqos voip

AutoQoS is a new IOS feature for Cisco routers that Cisco decided to add when it realized it needed to simplify the complexity of QoS for their customers. AutoQoS can be enabled on both WAN links and Ethernet switches to automatically provide VoIP traffic prioritization.

Cisco AutoQoS: VoIP QoS for Mere Mortals

WANs often need Quality of Service (QoS) configured to ensure that certain traffic is classified as “more important” than other traffic. Until now, it took a serious Cisco guru to configure a network properly for VoIP if the network was at all bandwidth constrained. AutoQoS, a new IOS feature for Cisco routers, makes deploying VoIP easy, even on busy WAN links. In this article we’ll cover the basics, what AutoQoS does, and some of its limitations.

With its first whack at AutoQoS, Cisco recognized the need to simplify VoIP traffic prioritization. VoIP is especially sensitive to any latency, jitter, or loss, and users will notice problems. To ensure the best possible VoIP call, the network must ensure that lower priority traffic does not interfere with time-sensitive VoIP. AutoQoS can be enabled on both WAN links and Ethernet switches to automatically provide a nice best-practices based template for VoIP prioritization.

How It Works

QoS allows a router to classify which types of traffic are most important, and ensure that that traffic passed as quickly as possible. If necessary, other traffic will be queued until the higher priority traffic has had a chance to pass. Before a router can know when to queue versus when to attempt to pass all traffic, it must be configured with bandwidth settings for each link.

More Cisco Networking

• Cisco Flex Links: Time to Retire Spanning Tree?
• Keeping Your Cisco VPN Secure
• Step-by-Step With Cisco’s Hot Standby Router Protocol
• Troubleshoot Your Network With Cisco SPAN Ports

Configuring QoS on a Cisco router normally involves a complex series of interactions, which require understanding not only the protocols, but a router’s strange way of associating policies. The basic steps are:

• Use an ACL to define which traffic gets matched
• A class-map classifies matched traffic into classes
• A policy-map assigns priorities to the classes
• The policy-map is applied to the interface, which enables the processing of all packets through the ACL, class-map, and policy-map

Each of these “maps” are quite complicated and prone to error. Most sites are going to be duplicating effort because of common problems, like VoIP, needing QoS help.

Why AutoQoS?

QoS configuration is not simple. It requires understanding the protocols your network interfaces are using, as well as the type of data you’re passing. To configure QoS for VoIP, for example, you must understand how VoIP works. In short, it requires a guru. If you’re like me, you literally giggled out loud the first time you encountered the word, “AutoQoS.”

AutoQoS enables any network administrator to just “turn on” a solid solution for ensuring VoIP is happy. VoIP is the pain point for most organizations, so that’s what Cisco focused on first, and that’s what we’re focusing on here. Given the limited scope of AutoQoS, it’s believable that it works well enough. In reality, QoS configurations generally classify many types of traffic, and then place a priority on each one.

The main benefit of AutoQoS is that administrator training is much quicker. It also means that VoIP deployments often go much smoother, and upgrading WAN links isn’t usually required. Finally, AutoQoS creates templates that can be modified as needed and copied elsewhere for deployment.

Limitations

Before talking about how to enable AutoQoS, which is literally three commands, let’s talk about where this works best, and what’s required to use AutoQoS.

First and foremost, you can only configure AutoQoS on a few types of router interfaces. These interfaces include:

• PPP or HDLC serial interfaces
• ATM PVCs
• Frame Relay (point-to-point links only)

Cisco Catalyst switches also support an AutoQoS command to prioritize Cisco VoIP phones, but you cannot prioritize generic VoIP protocols with it.

Next, there are some limitations with ATM sub-interfaces. If you have a low-speed ATM link (less than 768Kbps), then AutoQoS will only work on point-to-point sub-interfaces. Higher speed ATM PVCs are fully supported though. For standard serial links, AutoQoS is not supported at all on sub-interfaces. A quick litmus test to see if AutoQoS will work on your desired interfaces or not is to verify that the service-policy configuration is supported. If not, you’ll probably have to reconfigure some links.

AutoQoS will not work if an existing QoS configuration exists on an interface. Likewise, when you disable the AutoQoS configuration, any changes you may have made to the template after the initial configuration will be lost.

Bandwidth statements are used by AutoQoS to determine what settings it should use, so remember that after updating bandwidth statements in the future, you have to re-run the AutoQoS commands.

Making It Work

In the most standard situation, where VoIP isn’t performing as it was promised, the network admin can quickly save the day by running the following on the WAN interface:

interface Serial0
bandwidth 256
autoqos voip

If it’s the local network that needs tuning, the following can be run on Catalyst switches (if running Enhanced Images):

auto qos voip cisco-phone
auto qos voip trust

It really couldn’t be easier than that. For the WAN example, we told the router that interface Serial0 has 256 Kbps, and to enable VoIP QoS. The switch example is similar, for Cisco phones.

The neat part about this is that AutoQoS is actually doing more than just generating a configuration for you and forgetting about it. If you run the command show autoqos interface s0, you will see much more than just your standard old interface configuration. It will show that a Virtual Template “interface” has been created, and that a class is applied to the interface. The same output will also show you the configuration of the template and class-map, with an asterisk next to each entry that was generated by AutoQoS. It’s actually keeping track of what was done automatically so that you can learn what AutoQoS is doing. As mentioned previously, however, don’t forget that removing the AutoQoS configuration will destroy all QoS settings on an interface, not just the ones that AutoQoS configured.

Finally, remember to enable QoS on both sides of a WAN link to truly prioritize VoIP packets. Don’t forget to read through the Cisco documentation before deploying it, even though AutoQoS is simple, in comparison. It is simple, but the more prepared you are the easier it is to deploy.

Cisco will hopefully continue this trend of providing Auto features for complicated, but common tasks. AutoQoS for VoIP sure does enable a much larger audience to correctly deploy VoIP over a wide variety of networks.

Cisco ASR 9000 High-end Router Launches india

Cisco Systems unveiled a supercharged router called the ASR 9000, which is capable of moving 6.4 terabytes per second of traffic. The router is aimed at service providers with next-generation networks which plan to run bandwidth heavy services such as video, IPTV, mobile broadband, and more. With the explosion of Youtube videos, and other bandwidth-hungry apps, service providers are looking to stay ahead of the bandwidth demand curve. The ASR 9000 hopes to address that need with the ability to support the future "Zettabyte era". According to CRN, "The Cisco Aggregation Services Router 9000 Series (ASR 9000) is designed to be the carrier Ethernet foundation for the "Zettabyte era," said Doug Webster, Cisco's senior director of service provider marketing. According to Webster, Cisco expects IP traffic to reach half of a Zettabyte by 2012."

Cisco's Pankaj Patel, senior vice president and general manager of the Cisco Service Provider Technology Group called and left me a message stating that their new hardware took four years and a whopping $200 million to develop.

The ASR 9000 router is capable of transmitting data at a rate of 6.4 trillion bits per second, and it has 10 times the bandwidth capacity of Cisco's ASR 1000 router.

Pankaj Patel also told the San Jones Mercury Times, "We truly believe consumer IP traffic will more than quadruple by 2012," He said the new router is capable of delivering 200 movies per second or 250,000 MP3s per second.

Price: It's expected to go for around $80,000.

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Updated: November 21st , 2008