Welcome back! It’s been a while, but now we’re back on a fresh domain. If you’ve been following along, thank you for sticking with me. If you’re new, welcome! This is where I share everything about networking, Linux, and more. I’m a network architect and love diving into tech. You’ll find posts here about Cisco, […]
Today I passed the 2nd exam of CCNA Cyber Ops certification. Now I am officially certified :0
I have just moved my tiny blog from yudin.us to the brand new domain mike.ydn.id.au. It could be a fresh start for my blogging 🙂
I’ve passed HE.net IPv6 Certification. Just for fun 🙂 By the way, they promised me free IPv6 T-Shirt :))
Many people have trouble understanding cisco’s native vlan idea. Actually, it is very simple. Let’s start with statement, that the native VLAN has two functions: It tags incoming untagged frames on trunk links with the native VLAN. It untags outgoing frames that has already been tagged with same VLAN that is being used for the native VLAN on the
We’ve just changed our Cisco 2911 to Mikrotik 1100 on one of our sites. And it’s happening with all Russian ISPs. They are migrating to Mikrotik because it is cheap, powerful and easy. Otherwise, Cisco is expensive and cisco professionals are expensive too 😉 As for me, it is scary enough…
Originaly it was posted by Brad Hedlund. It always helps me to think of the English translation when trying to memorize and understand some the Cisco IOS settings I think are important. Here are some Cisco IOS switchport configurations translated into English: switchport mode trunk says: “Always trunk on this end, and I will
Basically, this is a very old post. Originally it was posted in my old Russian blog in early 2012. Nevertheless, I hope it might be useful. When I was working in the University we used PPTP VPN servers to let our staff access Internet. Computers got default gateway from VPN server and it was a
