Latest posts
-
Broadband Communities Summit Day 1
Internet Only Providers This session was how internet only providers can differentiate themselves. MDUs further out via wireless are interesting opportunities. Older MDUs can be serviced via wifi (they aren’t willing to wire the MDU) – One guy says “Ruckus has it figured out.” Seeing a shift of areas with younger “hip” kids that don’t…
-
Broadband Communities Summit 2014 Austin, TX
I’m here at the BCS in Austin. It technically started Monday, but the meat and potatoes starts today and runs through tomorrow. I’m going to try and post some periodic updates about what I see/do. This summit is mostly about FTTX, what with 3 carriers offering FTTH here in Austin. I’m hoping to walk away…
-
Root Hints On BIND DNS Servers
DNS is the resolution protocol for the interwebz. Basically, when your browser does a lookup for a URL it asks your configured DNS server to tell him what IP address the content lives at…but how does your DNS server know where to look for this information? The Root servers, of course. What are they you…
-
PVC Go-Kart
So we were killing time in one of my favorite stores, Harbor Freight, when I found out they have their 10″ wheels on sale for $5 each…it was all down hill from there(that pun was for you Andrew). I did a rough sketch of what I figured it should look like, then went to the…
-
Cisco DHCP Snooping With Mikrotik Version 6
I’ve written an extensive article here about Layer 2 protection on wired networks. I would reference this first for full details. In a nutshell DHCP snooping prevents a user from acting as a rogue DHCP server. It also builds a binding table that can be used with ARP inspection to prevent man in the middle…
-
Monitor Bind With Cacti
If someone puts in a support ticket saying they are having DNS issues with your server, what do you do to quantify how your server is acting…? This is the “boat” I found myself in a while back. I decided to use cacti to poll my devices. I happen to run Bind9. I built off…
-
Centos VM Duplication Not Detecting NIC
So I duplicated a VM in VMware 5.5 that happened to be Centos 6. I added a new NIC and set the NIC type to E1000. I booted up the machine and…nothing. It didn’t see the NIC. I ran setup…and it didn’t see the NIC. After much time an annoyance I eventually issued one simple…