Last fall, I blogged about No SSID Outage or Access Point Stateful Switchover introduced with the AireOS 7.3 release whereby if your wireless LAN Controller fails due to some hardware failure, thousands of Access Points fail over sub-second to the standby controller! This is possible due to continuous synchronization of CAPWAP states, Configuration Changes, Radio Channel and Power, Roaming Keys and Access Point licenses between the two Controllers. This means even if the administrator changes the configuration, channel plans or the clients roam and the primary controller fails; the Access Points will simply fail over in a stateful fashion to the secondary. In this blog, I will share details on the upcoming enhancements to High Availabilty with the 7.5 release.
In the upcoming AireOS 7.5 release, we take High Availability to the next level with two critical enhancements.
1. Today, after Access Points fail over from the primary to the standby controller, each client tries to re-authenticate and the standby controller then checks against its CCKM database whether the client has already authenticated. At the rate of several tens of authentications per second, it can take anywhere from zero to a few hundred seconds for the tens of thousands of clients that are connected to a controller to re-authenticate. The client stateful essentially eliminates this downtime with sub-second failover. Thus the total downtime that any user running a voice-call or Citrix session experiences is 2-3 seconds that the application requires to reconnect.
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Tags: 7.3, aireOS, Cisco, client, client reauthentication, controller, l2, redundancy, release, SSID, wi-fi, wifi, wireless, wireless controller, wlan, WLC
Today, Cisco announced the latest additions to our Unified Access portfolio to enable One Network for wired and wireless access. I’m personally excited about this because it is finally closing a loop we started a year ago when we introduced Cisco Unified Access with One Policy, One Management, One Network. Now Cisco and partners can offer a truly converged wired and wireless experience.
Let’s take a look at what’s new and how these solutions present an excellent opportunity for you to help meet your customers’ needs.
What is being launched? Read More »
Tags: Borderless Networks, byod, Catalyst 3850, Cisco, Cisco 5760 Wireless LAN Controller, cisco prime, ISE, New Cisco Switch, partner, unified access, WLC
This is the first in series of blogs discussing various features of the Cisco Mobility Services Engine (MSE), an integral, yet often overlooked component that can turbocharge your existing interference detection capabilities. This post describes MSE and how it can help locate interference in your wireless network.
So you have a CleanAir Solution comprised of top-grade, enterprise-class Cisco access points and controllers: finally, a network of minimized interference.
But what happens when a rogue device intrudes on your peaceful network? How can you maintain crisp, fast wireless performance?
Luckily for you, the enterprise-class wireless experience enabled by CleanAir technology can be further enhanced and maintained with Cisco’s Mobility Services Engine (MSE).
MSE is a platform on which you can run services like Context Aware Service (CAS), Wireless Intrusion Prevention Service (wIPS), and Mobile Concierge, all of which are services that can help in monitoring your wireless infrastructure. Designed to integrate with existing CleanAir infrastructure, MSE is a ground-breaking technology that allows network administrators to achieve extremely high quality, interference-less wireless performance.
How exactly does it do this?
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Tags: access point, AP, aWIPS, cisco prime, cleanair, context aware software, location, location history, mobility services engine, mse, WIPS, wireless, wireless LAN controller, wlan, WLC
Twice a year, I get to experience a peculiar mix of stress and satisfaction that comes from participating in the design and operations of internal networks for the (US and European) CiscoLive – networks these events depend upon.
My role is vital to the efficiency of the whole system, but certainly not glamorous. If I were to compare the CiscoLive network with a dental office, I’d be the technician that only fixes the upper-right tooth – and ensures you continue to breathe well. More specifically, I’d be working on “the number 6 molar” – because I deal with the client-facing setup of IPv6, and the monitoring of all the related dependencies and results.
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Tags: CiscoLive Network, DHCPv6, IPv4 on IPv6-only SSID, IPv6, SSID, WLC
Come watch a special edition TechWiseTV, featuring Ike, to learn how Cisco takes you Beyond BYOD. Take the BYOD challenge for a chance to win a trip to the London Olympics or other fun mobility gadgets.
Today’s enterprise mobility requirements go beyond simply connecting mobile devices. It’s about securing any access, simply managing the complexities while scaling efficiently, and ensuring an optimal user experience while easing the IT burden. Gallant Ike does all of this and more with Cisco Enterprise Mobility Solutions.
To participate, here is what you do:
- Visit http://www.cisco.com/go/challenge
- Watch the 20-minute video featuring TechWise’s Jimmy Ray Purser and Robb Boyd with IKE
- Take the Challenge! Test your knowledge and answer 10 questions. You just may win!
Tags: byod, BYOD challenge, cisc wlan, cisco challenge, enterprise mobility, enterprise networks, Ike, mobility, networking, Networks, TechWiseTV, wi-fi, wifi, wireless lan controllers, wireless lans, wlan, WLC