Conditional DNS Forwarding on USG

Posted Leave a commentPosted in Ubiquiti

I have a simple network and lab setup and I really do not want to make it too complicated. DNS is controlled by a Ubiquiti USG; The same a the default gateway. Classic set up so far. When running a homelab I need to have some form of DNS server I can control and add DNS records to. The USG does to day not support that role, hopefully in the future it will, but for now I need another solution. As I would like my lab to mimic a enterprise setup I need Active Directory for authentication. So it makes […]

Alternative to VDS Health Check

Posted Leave a commentPosted in Script

If you have a large environment or a lot of VLANs you know that running with VDS Health check on, is not an option. This is due to the way VDS Health check works. It will sent out one packet per uplink per VLAN. Meaning if you have two uplinks and 20 VLAN, it will send out a total of 40 packets for that one host. Which is not that bad, but now scale it up to the kind of people which usually have and need the distributed switch and the number of VLANs is likely to be triple digit […]

A road warriors wifi

Posted Leave a commentPosted in Hardware

This blog post comes to you from warm and azure blue waters of Côte d’Azur – That is the French Riviera. All thought that is not important and I really do not consider my self a road warrior, I have been and am traveling more than enough to be extremely annoyed about the conditions and limitations of wifi all over the world. Even here in France, which I consider to be a country of a fairly high living standard, superb cooking and lovely wines and of course Champagne, but still the wifi, internet or 4G always seems to sucks. Of […]

Using Ubiquiti AC Pro as a wireless bridge

Posted Leave a commentPosted in Ubiquiti

It has been quite some time since my last blog post, lots of reasons for that. One being the family and I took six weeks off to go travelling around Thailand. My first visit to Thailand and I must said it was wonderful. I only wished I had more time each place we stayed. There was so much to see and do. Also it was a lot of fun for the kids, which are now three and five years old. We got to snorkel, not as much as I have hoped though. We bought full face masks, and what a […]

vRops dashboard – Host Network Connectivity Insight

Posted Leave a commentPosted in vRops

I’m working with some large customers. One of the problems with scaling IT, is the disjoint between knowing what the IT landscape looks like and thinking you know what it look like. Or put in other words, the large an organization the less every employs knows about one another’s doings. This creates gaps between IT teams. Network may know how they setup the network, but they might not know what the server team plugged into their network. Exactly such an issue one of my customers had. Every time a vlan was missing from a vlan truck or another network problem […]

Log Insight + Netflow = Awesome

Posted 10 CommentsPosted in Log Insight

This is just another awesome use case for Log Insight. I have setup the vSphere Distributed switch to send netflow to a netflow proxy which then sends them as syslog messages to Log Insight. The reason for this is that Log Insight can’t ingest netflow messages natively. What you then end up with is a lot of logged netflow messages like the one below. Ignore the extracted field names, these can be designed as you wish. I went with speed 🙂 You might think what can this be used for and why should I care ? Log Insight + Netflow […]