“Hey,” said my friend, “are you interested in buying an Ethernet switch? 48 1Gbps copper ports and two 10Gbps fiber uplinks. Very cheap. Layer 2 only, though.” A few minutes later, we were doing business out of the trunk of … Continue reading
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Ever been asked to list the serial numbers on an f5 Viprion? No? Well stay with me anyway – this is a quick one, and you never know when it will be helpful! Once upon a time, much of the … Continue reading
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I must have been living under a deep sea rock or something because I have been running Wireshark for a while now on my Mac and since Mountain Lion was released, it has been necessary to install XQuartz so that … Continue reading
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Recently Cloudflare made a pretty cool move, and made their IPv6 services available to all of their customers – even the free ones, like me! So first things first, huge kudos to Cloudflare for offering this up; it has offered … Continue reading
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Today’s Secret Sunday is a shout out to the excellent Jeff Fry, aka @FryGuy_PA on Twitter. Jeff blogs at FryGuy.net where among other things he has previously broken the news on upcoming Cisco products a couple of times by close … Continue reading
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This stuff still totally blows my mind. I was at a restaurant for lunch recently with some colleagues. Service was slow, and as a result I was going to be late back to the office, and I had to join a … Continue reading
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I have a list of things I mean to blog about, and the Junos Apply-Path feature has been on there for way too long without being actions. As I said when I kicked off the “30 Blogs in 30 Days” … Continue reading
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A quick post today. As you may recall, I run two Ruckus Wireless APs at home – a Zoneflex 7982 AP and a Zoneflex 7363 AP managed by a Zone Director 1106. The ZF7982 and ZD1106 were provided courtesy of Ruckus … Continue reading
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Not content with digging into the A10 health monitors recently, I thought I should do the same for f5 LTM which has some slightly different setting and, it turns out, works really quite differently. I hate to say it again, … Continue reading
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Some fun today. Juniper recently ran a competition they called the Junos Cup 2014. It was modeled after a world cup of sorts, with each challenge involving a country in the name, four Tournament and then – because in the … Continue reading
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I’ve mentioned before I think that on my home network, DHCP service is provided by a pair of ubuntu servers running ISC DHCP servers in a redundant configuration. Part of the reason for this is pure nerdiness, and the rest … Continue reading
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That handsome visage is owned by Jason Edelman, the subject of today’s Secret Sunday. I’ve met Jason a few times through some Tech Field Day events like Networking Field Day, and most recently, at Tech Field Day Extra at Interop NYC 2014, … Continue reading
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Time for a quick rant. It’s possible that I am forgetting some trick I learned in the past (in which case I’m sure somebody can help me out in the comments), but why, on a Cisco Firewall Services Module (FWSM), … Continue reading
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If you’re used to configuring f5 LTM load balancers, you’re probably used to the idea that you normally set two health checks for each VIP you have. The first is at the node level, often just an ICMP ping, which … Continue reading
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In a previous post I whined that the A10 load balancers by default only need to see a single successful health check from a service in order to mark it as up. I argued that that’s not a good idea, … Continue reading
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A quick post today, about how the A10 load balancer handles the recovery of a server based on health checks. Kind of a warning actually. A10 Health Monitor Configuration In order to determine when a service should be considered “up” … Continue reading
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Whether you use A10, f5 or some other load balancer, you’re probably used to the idea of health monitors, or “health checks”. The load balancer periodically performs some kind of connectivity test to the servers that are used to service … Continue reading
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Finally this week I got myself in gear and decided it was time to have a play with Ansible. I found an installation guide on the Ansible documentation site and tried to follow it. Here follows the fun I had; … Continue reading
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This Secret Sunday post is definitely overdue; today’s geek on the block is Plexxi’s Michael Bushong. I believe I met Mike back at Networking Field Day 5 when Plexxi presented to us. Putting aside that we were suitably impressed with Plexxi’s product … Continue reading
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Ok, this is a stupid thing and I know I’m not the first to think it. Apple, by any chance could you please allow us to color the entries on the Favorites bar? I’d also like to request that we … Continue reading
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