Show 181 – Intro to I2RS with Joel Halpern & Russ White
Traditionally, routing protocols running on a router will perform calculations to determine the best forwarding path. The RIB with be then populated with next-hop information. Ultimately, that information will be populated into the FIB (forwarding information base), the FIB taking the guesswork of how to get to the next hop and easing CPU utilization on […]
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The post Show 181 – Intro to I2RS with Joel Halpern & Russ White appeared first on Packet Pushers Podcast and was written by Ethan Banks.
Orhan Ergun CCDE Story
Once I decided for the CCDE exam I was thinking it is a hard challenge but surprisingly I will say it is not as much as you think.This is good news and you started to smile ? Hope once you finished the article you continue to it Yes it is not since I […]
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The post Orhan Ergun CCDE Story appeared first on Packet Pushers Podcast and was written by Orhan Ergun.
Avoiding Bogus Alerts Using AWS-Based Proxies & Outsourced BGP for Distributed Monitoring
Jeff Behl, Chief Network Architect with LogicMonitor, is our guest author for this post. Jeff has been in the IT industry for over 20 years. He has an extensive background on architecting enterprise networks and data centers and brings real world knowledge around network operations from start-ups to enterprise companies. These companies range from UC […]
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The post Avoiding Bogus Alerts Using AWS-Based Proxies & Outsourced BGP for Distributed Monitoring appeared first on Packet Pushers Podcast and was written by Sponsored Blog Posts.
Are certifications tests still worth your resources in the day of Hybrid IT?
Let me start by laying out this disclaimer: This is in no way intended to devalue or criticize any vendor or vendor neutral certified folks or programs. Since the mid-1990s I’ve done many certification programs. In fact, I’ve actually lost track and I can’t even remember them all, so this is not a commentary by someone […]
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Secret CEF Attributes, Part 4
In Parts 1, Part 2 and Part 3 we saw we can use the CEF table to express all sorts of different QoS policies. In Part 4 we describe how to attach a policy to the packet that will follow it around the network. Like many policies (security, shaping, etc.) it’s best to classify the […]
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The post Secret CEF Attributes, Part 4 appeared first on Packet Pushers Podcast and was written by Dan Massameno.
Healthy Paranoia Show 22: The Three Ring Circus of Net Neutrality
Ladies and gentleman, unicorns of all ages, get ready for the greatest podcast on earth, Healthy Paranoia. Where the email is always encrypted and the firewalls are ever stateful. On this episode, we’ll be discussing Net Neutrality. Joining us is Sherry Lichtenberg, Principal for Telecommunications at the National Regulatory Research Institute; Andrew Gallo, network architect […]
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The post Healthy Paranoia Show 22: The Three Ring Circus of Net Neutrality appeared first on Packet Pushers Podcast and was written by Mrs. Y.
Coffee Break – Show 3
Mike Fratto joins us this week to talk about the news of the week on IPv4, Broadband Performance, Net Neutrality, IBM, SDN and more.
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The post Coffee Break – Show 3 appeared first on Packet Pushers Podcast and was written by Greg Ferro.
Coffee Break – Show 3
Mike Fratto joins us this week to talk about the news of the week on IPv4, Broadband Performance, Net Neutrality, IBM, SDN and more.
The post Coffee Break – Show 3 appeared first on Packet Pushers.
Coffee Break – Show 3
Mike Fratto joins us this week to talk about the news of the week on IPv4, Broadband Performance, Net Neutrality, IBM, SDN and more.Configuration Backups for F5
As an administrator of network devices, keeping full backups is important for being able to recover from hardware failure. With F5 devices, backups come in the form of UCS files which is an archive that contains all configurations and SSL certificates. With a UCS file, you can take a replacement device, upload a UCS file […]
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The post Configuration Backups for F5 appeared first on Packet Pushers Podcast and was written by Eric Flores.
Out with the old, in with the new
A few weeks ago I was asked to help a client turn up and move everything over to a new network. I have done this many times and this is not an uncommon type of project. In doing network assessments for clients I have found some old equipment still in service, still part of the […]
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The post Out with the old, in with the new appeared first on Packet Pushers Podcast and was written by Charles Galler.
Show 180 – The Art of Network Architecture: Business-Driven Design
In this show, host Ethan Banks is joined by Russ White & Denise Donohue, co-authors of the soon-to-be-released CiscoPress title, The Art of Network Architecture: Business Driven Design. Orhan Ergun reviewed the book and also shares his perspectives. This isn’t just a book review, though. Really, the show uses the book as a springboard to […]
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The post Show 180 – The Art of Network Architecture: Business-Driven Design appeared first on Packet Pushers Podcast and was written by Ethan Banks.
Kicking tires on Cumulus Linux
So, I ended my last blog post with a wish – “hopefully someday I can get a real switch running Cumulus to play with ;-)” Well, as it turns out, that post was somewhat popular, and caught the attention of some folks at Cumulus Networks (who kindly RT’d my tweet publicizing the post – thanks!) […]
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The post Kicking tires on Cumulus Linux appeared first on Packet Pushers Podcast and was written by Will Dennis.
Show 179 – Avaya Efficient Data Center Design at Fujitsu & the Sochi 2014 Winter Games
In this episode, Avaya comes on board to talk about new and efficient ways to design data centers. They bring a couple of customers along to discuss their implementations: Fujitsu Technology Solutions and the Sochi 2014 Olympic Winter Games. Speaking with host Greg Ferro are Paul Unbehagen, Chief Architect for Avaya Networking; Albert Knoll, Network […]
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The post Show 179 – Avaya Efficient Data Center Design at Fujitsu & the Sochi 2014 Winter Games appeared first on Packet Pushers Podcast and was written by Ethan Banks.
Coffee Break – Show 2
This is “The Coffee Break”. A podcast on state of the networking business where we discuss vendors moves and news, analysis on product and positioning, and look at the business of networking. In the time it takes to have a coffee break.
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The post Coffee Break – Show 2 appeared first on Packet Pushers Podcast and was written by Greg Ferro.
Coffee Break – Show 2
This is “The Coffee Break”. A podcast on state of the networking business where we discuss vendors moves and news, analysis on product and positioning, and look at the business of networking. In the time it takes to have a coffee break.
The post Coffee Break – Show 2 appeared first on Packet Pushers.
Coffee Break – Show 2
This is “The Coffee Break”. A podcast on state of the networking business where we discuss vendors moves and news, analysis on product and positioning, and look at the business of networking. In the time it takes to have a coffee break.
One-liner iptables rule to Filter NTP Reflection on Linux Hypervisor
Anybody annoyed enough with massive NTP monlist floods over the weekend? If you did like I did, I believe what immediately came to your mind was, “this shouldn’t have happened if they just had put a ‘default ignore’ line in their ntp.conf file!” But unfortunately there are some people who’re not like you, including casual […]
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The post One-liner iptables rule to Filter NTP Reflection on Linux Hypervisor appeared first on Packet Pushers Podcast and was written by Tamihiro Yuzawa.
Where Are All the Operators in the IETF Standards Process?
Network operators – service providers, enterprises, engineers, architects, data-centers, campuses, etc. – are responsible for keeping the packets flowing across their network(s). The Internet Engineering Task Force (IETF) designs, develops, and documents the standard protocols network operators use in and on their networks. In a perfect world, operators would be part of the IETF process […]
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CEF Secret Attributes, Part 3
In Part 1 we saw we can mark prefixes in CEF with certain attributes that might give us interesting things to play with. In Part 2 we found we could track traffic patterns with the traffic_index tag. We will now turn our attention to the qos-group parameters. Let’s say we would like four categories of […]
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The post CEF Secret Attributes, Part 3 appeared first on Packet Pushers Podcast and was written by Dan Massameno.