l2

July 12, 2013

NETWORKING

Wireless Controller Redundancy with No Client Reauthentication Needed

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 continuo…

April 12, 2013

NETWORKING

IPv6 Just Works: Cisco Live London Dual-Stack Network

Another year, another CiscoLive. This was the last year in the London venue, and since it was the third time we did it, we had a chance to incorporate learning from the previous two years. As a result, I would say the network was quite a success. The key element of the design, led by Mark McKillop,…

March 20, 2013

DATA CENTER

#EngineersUnplugged S2|Eps5-6: #Automation and #KISS, a Double Header!

On Engineers Unplugged this week, we are trying something new, a double edition! First up in Episode 5, VCE’s Jay Cuthrell (@qthrul) and Nick Weaver (@lynxbat) talk shop in terms of Automation and the evolution of Open Source, including GitHub, and the role of Community in Tech solving problem…