Posted on 13 May 2013 | Leave a Comment
For many network engineers, IP multicast routing is evil. Difficult to design, complicated to implement, painful to troubleshoot and challenging to scale, multicast routing is rarely implemented on a given network unless it’s absolutely required. Most engineers would just rather not bother until the issue is forced upon them. Blame PIM. Blame RPF checks. Blame [...]
Posted on 6 May 2013 | 4 Comments
Arista is shipping a serious round of upgrades for the 7500 switch chassis. In this sponsored podcast, Doug Gourlay from Arista returns to the Packet Pushers to give an unvarnished view of the new products and why Arista can deliver 100GbE at a new price point while maintaining technical features and capabilities. Show Topics: 1) It’s [...]
Posted on 2 May 2013 | 4 Comments
Announcing the latest episode of Healthy Paranoia from Mrs. Y featuring the case of Terry Childs, the infamous former Network Administrator arrested for refusing to provide passwords for San Francisco’s FiberWAN system to management. She’s joined by Jeana Pieralde, Chief Security Officer for the City and County of San Francisco, along with two members of the [...]
Posted on 29 April 2013 | 2 Comments
A community show where we get Brent Salisbury and Ivan Pepelnjak to talk about the events of the last few weeks. In the end, the only thing we seemed to cover was OpenDaylight, ONS and various SDN topics. Open Networking Summit – Brent reports in. Talking SDN and OpenDaylight Ivan asks “will you install open [...]
Posted on 20 April 2013 | 11 Comments
EIGRP is a distance vector routing protocol that for many years was unique to Cisco networking environments. Created and championed by Cisco, it didn’t get any traction in the standards bodies in the early days, because there were already enough interior gateway routing protocols around according to some. EIGRP just didn’t interest enough of the [...]
- Show 143 – Anuta Networks Demonstrates nCloudX Controller – Sponsored
- Show 142 – Huawei – End to End SDN Strategy – Sponsored
- Healthy Paranoia Show 11: Bro – The Outer Limits of IDS
- PQ Show 23 – OpenFlow and SDN – ONF Testing & Interoperability With Michael Haugh
- Show 141 – The Pace of Change Is Picking Up – #NFD5 Discussion
- Show 140 – Introduction OpenStack and Quantum Projects
- Show 139 – Making Your Way Down the Path to Nirvana
- Show 138 – HP’s Software-Defined Networking (SDN) Strategy and Solution
- Healthy Paranoia Show 10: Beware the Shmoo
- Show 137 – Gartner Is Not for Sale With @Aneel Lakhani
Community Blog Posts
I contributed 2 pieces to a Network World "digital spotlight" on software defined networking (SDN). SDN's all the rage with marketing teams & the industry media. I've been contracted to write or contribute to a … read more.
Now that I've returned from the whirlwind that was Interop Las Vegas, I thought I'd share some thoughts about my experience as a speaker and attendee. First the good: The UBM staff was awesome and I appreciated the … read more.
I was recently in need of a refresher on multicast routing, so I picked up Eric Rosenberg's A Primer of Multicast Routing (Springer Briefs in Computer Science). The overall plan of the book is excellent, starting with a … read more.
No, really! Did you know that your IOS-based router is capable as acting as a static webserver? Below you will find the steps necessary to turn a GNS/Dynamips box (or any ‘testlab’ machine) into something that can … read more.
In my previous blog post I looked at the benefits and limitations of SPAN ports. SPAN or mirror ports are a convenient way of getting access to network packets without having to be inline like a firewall. Once you have … read more.
This recent article from IEEE Spectrum discusses our impression that as we age, we lose the ability to learn quickly — fluid intelligence, as it's called. An accompanying chart shows this in some degree through the … read more.
I just ran across a pointer to this research on Bruce Schneier's blog: Networking system components that are well-behaved in separation may create counter-intuitive emergent system behaviors, which are not well-behaved … read more.
I have to admit I'm a big VMware fanboy. Wanting to master the art of virtualization, I've set out to build out a personal lab. My primary goal is to work my way up to the VCDX certification. The curious thing about … read more.
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- It Works and It Should Be Better
- Programming 101 for Network Engineers – Preparation
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- Fighting Stale Documentation
- CCIE Security v4 Reading List – Update From the Program Manager
- Programming 101 for Network Engineers – Why Bother?
- Upgrading F5 BIGIP HA Pair From v10 to V11 – Ethan’s Notes