Applied Infrastructure

Browse by Tags

• data center
• failure domains
• Featured
• high availability
• layer 2
• network design
• redundancy
• spanning tree loops
• vmotion

• Spanning Layer 2 Between Data Centers

  After my posting about the dangers of spanning Layer 2 between data centers in my blog titled Spanning Tree Protocol and Failure Domains , Shivlu Jain ( www.mplsvpn.info ) asked about handling requests to span Layer 2 between data centers. One of his... Posted Feb 16 2010, 10:36 AM by tslattery with | with no comments Filed under: data center, Featured, spanning tree, spanning tree loops, layer 2, vmotion

• What is Bridge Assurance?

  While doing some other research recently, I ran across the Bridge Assurance feature in Cisco gear, which was new to me. Cisco has been working on ways to avoid STP melt-down and Bridge Assurance is another tool to help network administrators keep networks... Posted Jan 06 2010, 10:27 AM by tslattery with | with no comments Filed under: network design, Featured, spanning tree, spanning tree loops

• Spanning Tree Protocol and Failure Domains

  Co-worker Pete Welcher recently helped a customer whose network experienced a spanning tree loop (i.e. a melt-down). Several things can be learned from thinking about the experience and how to avoid it. Lesson #1: Adequately plan the task. Rush jobs carry... Posted Dec 28 2009, 11:11 AM by tslattery with | with 2 comment(s) Filed under: Featured, failure domains, spanning tree, spanning tree loops

• High Availability Networking (>5-nines)

  One of the best sessions I attended at CiscoLive this year was titled "BRKRST-3365, Unified HA Network Design: The Evolution of the Next Generation Network" by John Cavanaugh, Chris Cornwall, and a whole team of contributors. They talked about... Posted Aug 17 2009, 01:28 PM by tslattery with | with 1 comment(s) Filed under: high availability, Featured, failure domains, redundancy, spanning tree