Serial Data over IP radio using multicast. help me understand how that works
Not sure there is a place for this subject or even how to ask it.
I am sending serial data over a
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Networking Protocols
Networking software modules are interfaced with a framework implemented on the machine's operating system that implements the networking functional...
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Cybersecurity Architect
A network security and systems engineer with over 12 years of experience in the field, ready to help and share my knowledge with others.
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Article
It’s not the Network, It’s DNS
This is the first one of a series of articles I’ll be writing to address technical issues that are always referred to as network problems. The network boundaries have changed, therefore having an understanding of how each piece in the network puzzle works will help troubleshoot any network issue.
Video
Setup Mikrotik routers with OSPF… Part 1
After creating this article…
Tutorials
Open Shortest Path First (OSPF) Routing
The author will go through step by step presentation of how to use and apply OSPF in different …
Post
There's been a lot of discussion lately about Net Neutrality…
There's been a lot of discussion lately about Net Neutrality…
Troubleshooting Solution
What method can I use to correct a socket permissions error when obtaining IPs via DHCP?
I have an HP Pavilion 15 laptop (TPN-Q130) on which I recently did an in-place upgrade from Windows
…
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Unable to copy file directly via UNC, but I can if I go through a different PC
Confusing enough title? Hopefully my explanation will be clearer.
There is a scheduled task that …
There is a scheduled task that …
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Cant connect via rdp to server 2019
Not rocket science but trying to setup rdp connections to a windows server 2019 but each time I try
…
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what happens when a unmanaged switch connects to a switch with multiple vlan ?
hi,
general question.
got a hp switch doing 2 vlans below
got vlan1 which is default data
and …
general question.
got a hp switch doing 2 vlans below
got vlan1 which is default data
and …
Troubleshooting Solution
Issue to telnet
Hi,
Port 25 is open but I've got the following. Any advice?
C:\Users\Administrator>tel
Port 25 is open but I've got the following. Any advice?
C:\Users\Administrator>tel
Troubleshooting Solution
Implement VSS on 6509 Switches
Hello Experts,
I've a pair of Cisco Cat 6509E Switches ( Core 1 and 2) populated with line cards (…
I've a pair of Cisco Cat 6509E Switches ( Core 1 and 2) populated with line cards (…
Troubleshooting Solution
In ping results, Is the message "Request timed out" normal?
Hi,
Every 3 minutes or so I get a message as per below when running ping out to Google on my home…
Every 3 minutes or so I get a message as per below when running ping out to Google on my home…
Troubleshooting Solution
I have a Windows Server 2008 R2 that when I ping a host name I get a Request Time Out
I have a Windows Server 2008 R2 that when I ping a host name of a remote workstation I get a Request …
Troubleshooting Solution
What are named pipes?
Context: OSI model-session layer-protocol- named pipes.
What is a named pipe protocol?
What is a named pipe protocol?
Troubleshooting Solution
Video
Setup Mikrotik routers with OSPF… Part 2
After creating this article…
Troubleshooting Solution
What are security best practices for a FTP(S) server?
We have an FTPS (FTP over TLS) server setup. I am seeing consistent hacker attempts to log in and …
Troubleshooting Solution
Can not access a shared drive
I am unable to access a shared drive after computers were moved to different rooms. The computers …
Troubleshooting Solution
Can't ping New Linux Servers
Hi,
I have set up two new Linux (CentOS 7) servers on the network. They received dynamic IP …
Troubleshooting Solution
How to connect to a FTPS server using AS 400 FTP client?
Hi Experts,
We have an FTPS. / SFTP server set up through AWS. We are requiring some partners to send …
We have an FTPS. / SFTP server set up through AWS. We are requiring some partners to send …
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Networking ProtocolsBack to the top
Networking software modules are interfaced with a framework implemented on the machine's operating system that implements the networking functionality of the operating system. The best known frameworks are the TCP/IP model and the OSI model. Systems typically do not use a single protocol to handle a transmission. Instead they use a set of cooperating protocols, sometimes called a protocol family or protocol suite.[9] Some of the best known protocol suites include: IPX/SPX, X.25, AX.25, AppleTalk and TCP/IP. Other protocols indirectly related to networking include the hypertext transfer protocol (HTTP) and its related technologies, Dynamic Host Configuration Protocol (DHCP), Domain Name Server (DNS) and other Internet protocols.