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Networking is the process of connecting computing devices, peripherals and terminals together through a system that uses wiring, cabling or radio w...

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Director, Information Systems

IT guy with something like 40 years in the industry.  I'm a generalist, and so have had my hands in just about everything to some extent.

Troubleshooting Question

ESXi hosts are suddenly unable to connect to the ISCSI datastore target on Synology NAS.

1

I have three ESXi 5.1 hosts that suddenly lost their connection to an iSCSI datastore target on a

Troubleshooting Question

Casting my workstation screen to my TV via. FireStick.

2

Casting my workstation screen to my TV via. FireStick.


I can easily get my laptop to cast to my TVs

Troubleshooting Question

Server unable to access the internet.

byJeff J
4

Hello, this is my first time posting a question here, so please excuse any typos. I need assistance

Troubleshooting Question

CISCO ASA - Brute Force locking out Okta accounts

Hi

We are suspecting a brute force attack that is causing few of our okta accounts locked. the

Troubleshooting Question

HP G4 Z4 desktop network drop out

6

I'm a network admin supporting around 100 PCs and my users are experiencing the following issue.

Troubleshooting Question

Basic VLAN questions

I have what should be some fairly basic VLAN configuration questions.


I am trying to set up a

Advice Question

Active Directory Network Flow restriction

1

I need to know if it is possible to restrain Network port flow between Domain controllers.

I am

Advice Question

ISE Guest Self-Registration phone number as the username

2

We have Cisco ISE and WLC. Guest user connects to Guest SSID and after opening the browser is

Troubleshooting Question

DNS/URL forwarding

8

DNS forwarding question:

We have an internal DNS for our Domain (Windows server) and an external DNS

Troubleshooting Question

Error during installation

17

Can you please help me with this error?



Troubleshooting Question

DD-WRT-OPENVPN

5

I set up OPENVPN server on a Linksys router, everything is working, I am able to connect to my home

Troubleshooting Question

excel  loose source file data connection between excel spreadsheets

I have 2 excel spread sheets located on one drive on a corporate network.  I am able to connect the

Advice Question

Cisco Catalyst 9200 License activation process

3

Hi Folks,


I have a new Cisco Catalyst 9200 switch which came with a Network Advantage and DNA

Troubleshooting Question

Connecting new Cisco Catalyst to old switch hardware, NetGear

1

Hi Folks,


I'm currently planning the setup of a new network in a small school.  They have old

Troubleshooting Question

DHCP not giving out part of the scope

byICTIC
6

Single Windows server DC with DHCP server role, was running out of IP addresses so I backed up the

Troubleshooting Question

Install DNS server on Switch or Windows

13

Hi,


I have Windows environment with DC. 


My question is about DNS. Some of colleagues like network

Troubleshooting Question

IOS Devices can't connect to Exchange 2019 Server when on local network.

byBrian
6

IOS devices cannot access our Exchange 2019 mail server when on the internal network.  The IOS mail

Troubleshooting Question

Hyper-V Cluster affected by network outage in the building

byE C
3

Our building has 8 IDF cabinets. Each IDF cabinet has an aggregate switch, which in turn is

Troubleshooting Question

napmontr.dll missing

byGite
9

I have a problem with my network card and it looks as if it is a software problem.

When I try to fix

Troubleshooting Question

DFS 'Selects' Wrong Server

4

We are experiencing inconsistent results with DFS drive mappings.  We expect DFS to map the drives

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