First thing I want to do is thank everyone who came out to the virtual pub quiz events at www.coreitpros.com/quiz. I thought it would be...

In the last Packet Pub Quiz, a whopping 40% of people said "ARPv6" is used by IPv6 to discover the hardware address of a local router....

First thing I want to do is thank everyone who came out to the virtual pub quiz events at www.coreitpros.com/quiz. I thought it would be...

There is no other way to say it so here it is, you cannot troubleshoot a network proficiently unless you have proper training and...

Over half the people that answered this question got that correct answer. This filter will display any traffic to and from UDP port 53. ...

This question seemed to stump a few people. This is a MPO connector. It allows the termination of multiple fibers in a single connector....

One of the highlights of working with Mike Pennachi and Laura Chappell on the Core-It Pros conference is learning new tips, tricks and...

As part of the Core-it Pros conference (www.coreitpros.com) we will have a lot of Tech Tips available for the attendees. These Tech Tips...

Did you get this question right on the Packet Pub Quiz?

If you have ever seen my videos, seen me present or train, you will eventually hear the odd 'eh' and the way I pronounce 'about'. What...

I'm sure the wording "was first" tripped up a few people. A quick google search on 802.11a will show you that it was only deployed on 5...

Register for VIP Notification of the next Packet Pub Quiz at https://coreitpros.com/quiz. In the early days of networking there were a...

Register for VIP Notification of the next Packet Pub Quiz at https://coreitpros.com/quiz. Good ol' ARP tripped up a lot of people during...

Register for VIP Notification of the next Packet Pub Quiz at https://coreitpros.com/quiz. One of the questions in the CORE-IT PROS first...

for those of you who wonder what Laura Chappell, Mike Pennachi and Tony Fortunato chat about, well networking, packets and terrible...

Laura Chappell, Mike Pennacchi, and Tony Fortunato have each been troubleshooting networks and training network analysts for decades. We...

Tony Fortunato, Mike Pennacchi, and Laura Chappell have collaborated to bring you a 1-week network troubleshooting conference on AUGUST...

Some people might think that walking into an unfamiliar network, with unfamiliar staff to work on an issue that has them stumped is easy....