Category: Networking

Windows Server DNS: Failover and Forwarding

September 29, 2021 By JeffTechs

DNS is pretty crucial in a domain environment. If you pull up DNS on your domain controller(s), you can see a listing of, well, a lot of different stuff–PC names to start in DNS > Forward Lookup Zones > domain name. There’s also reverse lookup zones, possibly even mail server records and even more. DNS […]

Subinterfaces: The Artist formerly know as Router-On-A-Stick

September 10, 2021 By JeffTechs

I wrote an article not too long ago about VLAN tagging from a post Cisco perspective. Since I covered the layer 2 aspect, I figured why not complete the setup and show how to configure Virtual Interfaces. I have a SonicWall handy, so I am going to demonstrate with that device. Besides routers/firewalls behaving vastly […]

VLANs: Tagged, Untagged and PVIDs

September 10, 2021 By JeffTechs

Coming from a Cisco background, VLANs were pretty straight forward–especially from a switching perspective. Once you get your Router On a Stick setup, you decide which ports are access and which are trunks. It looks a little something like this:   Interface FastEthernet 0/1 switchport mode access switchport access vlan 20 Now, port 0/1 is […]