Steve Discher's Blog

Now available on the Playstore and the iPhone Appstore, the ISP Supplies App! With great features like a powerful search engine and a reorder list, it makes it fast and easy to place orders on the go. Favorite products for quick …

If you never used my web site https://mikrotikconfig.com to build firewalls and QOS, you have been working too hard! I recently (today) updated the database of IP addresses by Country to generate MikroTik IP Address Lists by country. Check it …

Several vulnerabilities and exploits have recently plagued MikroTIk users. Specifically, these vulnerabilities affected the RouterOS webfig configuration interface, if no firewall was put in place to protect it. Granted, you can be critical of MikroTik but after all, running without a …

I added this tech article today. Check it out on our support site: How To Install Baicells HaloB

With so many options of NAT, Router, Bridged, etc., it can be overwhelming to create the correct architecture for your first Baicells LTE deployment the first time. To facilitate this for you, I created a Baicells LTE HowTo Knowledge Base …

As someone that has organized and lead technical training for more than ten years, I can say I have been asked this question many times. The commonality is that most people are self-taught, and use certain products in the daily …

We are excited about the latest product from Baicells, the Nova 436. We received our first shipment late last week and this new LTE Base Station has some really cool features, never before seen from Baicells and not at this …

NOTE: Although I was able to make this work, it not work on all of Verizon’s US network outside large metro areas because the LTE card will not run Band 13. They are also not certified on Verizon so use …

From MikroTik: It has come to our attention that a rogue botnet is currently scanning random public IP addresses to find open Winbox (8291) and WWW (80) ports, to exploit a vulnerability in the RouterOS www server that was patched …

Chances are you have recently heard about Slingshot. A ZDNet article explains “Researchers at Kaspersky Lab have discovered espionage malware that appears to have been developed by a government to spy on targets across Africa and the Middle East for …

This year, 2018 marks my tenth year as a MikroTik trainer and I have been asked this question more times than I can count. Typically, the question is accompanied by the asker’s reasoning for asking the question. Their reasonings are …

HaloB is a feature that Baicells LTE introduced in February of 2018. Any Baicells eNodeB (eNB) can be purchased with or upgraded to HaloB through software feature activation. A HaloB eNB eliminates the transport layer between the Evolved Packet Core (EPC) …

HaloB is a feature that Baicells LTE introduced in February of 2018. Any Baicells eNodeB (eNB) can be purchased with or upgraded to HaloB through software feature activation. A HaloB eNB eliminates the transport layer between the Evolved Packet Core (EPC) …

If you are familiar with the Grandstream UCM VOIP PBX, you know the value of the Zero Configuration service. if not, Zero Configuration service allows you to create profiles that are common to all phones, certain models of phones or …

Has anyone noticed a new behavior for address lists in RouterOS? The release notes for 6.37.3 show “firewall – fixed timeout option on address lists with domain name;” but I don’t see when that feature was actually added. Specifically, if …

To properly select Ubiquiti gear for a point to point or point to multipoint link, this need to do proper planning. Fortunately, Ubiquiti has a great tool that allows you to try different products in a real-world link simulation to select …

Grandstream posted this today… A security vulnerability has recently been discovered in the UCM series IP PBX firmware version 1.0.14.23 or older. We highly recommend that any UCM customer upgrade their firmware version to 1.0.14.24 or 1.0.15.13 as soon as possible in …

Baicells LTE provides an L2 mode to bridge the UE’s. To change LGW mode, navigate to the Network -> LGW page. In LGW L2 mode, the eNB will create a virtual interface for every UE that attaches. Each virtual interface will then …