Feb 03

Juniper SRX and FTTN VDSL

Over the last few years, Australia has been rolling out a National Broadband Network (NBN for short). I recently moved into a new house that was connected to the NBN via Fibre to the Node (FTTN) utilising VDSL technology. I was very excited to know that my Juniper SRX110 had a inbuilt VDSL modem! My …

Continue reading »

May 09

Folding@Home Diskless cluster

For a very long time (about 11 years… wow) since I was in high school, I have been a proud supporter of Folding@Home. It is a great project not only because of the backend research it helps with, but also the technical aspects of their distributed system. But I have always wanted to run it …

Continue reading »

Mar 21

Finding domains without NS records in PowerDNS

So, a fun one happened the other day. I needed to remove all the old domains from our nameserver cluster which is open to customers who were no longer pointing there domains to our nameservers. Easy eh? Well, unless you have access to a unrestricted IP capable of doing that many lookups on Ausreg (most …

Continue reading »

Jan 05

pmacct CentOS 6 with flow-fanout

Sigh, I swear I find all the weird edge cases with every product I touch, hence this blog. The latest being pmacct on CentOS 6 with a flow-fanout

Continue reading »

Dec 23

Cisco ASR 1001 Memory

We recently got 2 new ASR 1001s at work to complement 2 we already had. Stupid me but specified 4GB RAM on the order not 8GB that we needed 🙁 The size of the full BGP table now means that 4GB is starting to get to be a bit of a tight squeeze on 4GB …

Continue reading »

Older posts «