Steve Discher's Blog
Each week ISP Supplies posts new blog content accross a variety of categories.
Browse our latest posts below or use search to find specific topic.
Finding an IP address with Wireshark using ARP requests
Can’t remember a device’s IP Address? Address Resolution Protocol (ARP) requests can be used by Wireshark to get the IP address of an unknown host on your network. ARP is a broadcast request that’s meant to help the client machine …
Creating Trunk and Access Ports on MikroTik CRS3xx Series Switches
The switch menu and configuration interface is significantly different on the CRS3xx versus the CRS1xx or CRS2xx series switches and if you are trying to configure VLANs, the process is totally different. Here is a quick HowTo for configuring VLANs …
Ubiquiti Unifi Video NVR Upgrade Fails
Yesterday I got tired of the nagging “Update Available” on my Ubiquiti Video NVR so I went through the upgrade process in the web GUI. It failed with Error 400. I tried several times, several browsers, same error. I then …
Using MikroTik LHG as a UE With a Baicells eNodeB
This has been a dream for a long time, and a DIY project for those industrious individuals willing to cobble it together, but now it is a reality in a production device. First of all why would you want to …
New ISP Supplies App
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 …
Update: Block Countries Based on IP Addresses and Networks
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 …
Unhacking Your MikroTik Router
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 …
HowTo Install Baicells HaloB
I added this tech article today. Check it out on our support site: How To Install Baicells HaloB
How to configure Baicells LTE for a WISP Network
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 …
Why is Technical Training So Important
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 …
New Baicells LTE Nova 436
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 …
MikroTik RBwAPR-2nD&R11e-LTE-US with LTE Modem With Verizon HowTo
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 …
MikroTik: URGENT security advisory
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 …
MikroTik + Slingshot Malware, Is it a Threat?
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 …
Why should I invest in MikroTik Training?
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 …
Baicells LTE Adds Halo B Support
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) …
Baicells LTE Adds Halo B Support
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) …
Connecting and Managing Remote Grandstream Phones with MikroTik, UCM and Zero Config
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 …