Archive for the ‘Networking’ Category
How BGP chooses its routes
Some IPV6 best practices
There has been a run of IPV6 questions to myself and on some of the mailing lists. I figured I would do a short list of some best practices for those of you who have a basic understanding of IPV6. -Use /48 for customer allocations. Give each customer a /48 unless they can show greater [...]
Seeing NTP weirdness? Look no further
https://isc.sans.edu/diary.html?n&storyid=14548 A few people have written in within the past 18 hours about their NTP server/clients getting set to the year 2000. The cause of this behavior is that an NTP server at the US Naval Observatory (pretty much the authoritative time source in the US) was rebooted and somehow reverted to the year 2000. [...]
Starting a WISP – Monitoring
If you are looking to start any sort of ISP you will want to monitor your infrastructure. Monitoring provides several benefits. 1.You are able to know if equipment is broken or not. Simple huh? 2.Monitoring can help you with problems. What do I mean you say? What other problems do I have if it’s not [...]
Mikrotik Router OS V6
Janis Megis started the day with a talk about the new features of RouterOS V6 -Cloud Core router will only work with Version 6. -Linux Kernel version 3.3.5+ New Kernel Features -Newest interface drivers -Scales well for up to thousands of interfaces (slide had 3000 EOIP tunnels configured) -Uses less space on storage -New CPU [...]
Mikrotik Router OS 5.20 out
Whats’s new: *) manual upgrade to NEW beta poe controller firmware v2.0 for RB750UP and OmniTIK UPA; more info at http://wiki.mikrotik.com/wiki/Manual:PoE-Out *) fix RB951-2n wireless issues; *) ups – fixed resource leak; Some Interesting notes from the Wiki: can be used on RB750UP and OmniTik UPA-5HnD. These routers provided power only over the spare pairs. [...]
Cable Porn
Some wiring messes and neatness http://www.reddit.com/r/cableporn
Back in the World of IpV6
I had had a HE.NET V6 tunnel setup for about a year now. For the past couple of months I have not been able to use it. I knew it was on my end. Well tonight I was able to finally get it working. My Comcast IP address had changed so I had to update [...]
Random Routing Report (say that 3 times fast)
Pulled this from the latest APNIC routing report. Just some interesting facts for you geeks out there Total ASes present in the Internet Routing table: 41122 Origin ASes announcing only one prefix:15654 Number of addresses announced to Internet: 2553429168 Equivalent to 152 /8s, 50 /16s and 60 /24s Percentage of available address space announced: [...]
