1
vote
0answers
56 views

Wifi between Buildings 385ft Apart [closed]

I administer a network where they've built a new building on the property that is 385ft from the main building. The ground between the buildings is completely paved and the owner wants to avoid a ...
0
votes
2answers
270 views

Connecting VoIP Phones to a Laptop

I'm trying to connect two VoIP phones to a laptop using the internal ethernet adapter and a usb-to-ethernet adapter. My configurations are as follows: Laptop eth0 - 121.1.2.1/24 Gateway - 121.1.2.4 ...
0
votes
1answer
67 views

Traceroute to single IP from 2 different networks (one pass, another - fails)

traceroute from 2 different environments is giving different results. One is passed succesfully, the other one failed. I don't believe that would be our own switch/router - otherwise I would not be ...
0
votes
0answers
93 views

aws high latency in same VPC Zone

We are facing the connectivity latency issues between the instances. I have calculated the connection time between the two instances in the same VPC using the command time trace-route. Sometime the ...
0
votes
0answers
140 views

Windows Server 2008 R2, weird intermittent outgoing connection issues, & Hyper-V Virtual Network

My provider says that they run an 'unfiltered' network, so it's not a network issue. Not entirely convinced...but they aren't being very helpful. Basically two days ago started having issues with ...
1
vote
0answers
421 views

Losing connection to SQL Server on the same machine?

I've installed our SQL Server driven software on a client's computer. This consists of SQL Server 2008 R2 Express, and using ADO/SQLOLEDB drivers on a brand new Windows 8 64bit machine. The problem ...
1
vote
1answer
394 views

How to diagnose intermittent connectivity issues

At work we are suffering some intermittent faults with the internet. This manifests itself as none of our desktop computers being able to make any requests externally including to ip addresses for a ...
0
votes
1answer
56 views

Network connectivity issue

I am a novice cisco user and I am trying to investigate as to why one of our connections went down. We have a fiber network ring that is operating just fine. Connected to this ring via ethernet, is ...
0
votes
1answer
271 views

What is the difference between a leased line and EFM?

I am ordering a new internet connection in the United Kingdom and wondered what's the difference between: 10mb leased line 10mb EFM (Ethernet First Mile) line They both seem to offer equal ...
0
votes
2answers
2k views

dell powerconnect switch logs

Is it possible to view an event log on managed Dell PowerConnect switches (using the CLI)? We use a mix of 6224F, 6224, 3524P, and 3548P switches and having just had some network related issues which ...
0
votes
3answers
345 views

Windows Server 2003 becomes inaccessible to certain users / machines

Windows 2003 SP2 file server - no recent network / hardware / software updates suddenly becomes inaccessible to laptop users running Windows 7 Pro. Don't know if this is relevant. Other users on ...
1
vote
2answers
832 views

In what kind of environment multicast is not preferred?

While reading a product documentation I came across a line in which they say product supports TCP communication in environments where multicast is not available or preferred. Why would a company ...
2
votes
1answer
191 views

How to properly setup a Virtual Network on Hyper-V (Windows 2008 R2) that provides external connectivity to guests

I have a Hyper-V machine with one NIC card. I've set up a Virtual Network and provided connectivity to the guest OSs. The problem is that on restart of the host machine, i start up with no ...
1
vote
3answers
343 views

IP connectivity to other countries ? mirror ? what is it?

Is it possible to have an IP to act as a local IP in different countries ? For example the ip 193.105.173.105 which seems to be located in US but is handled by RIPE.net Internet Assigned Numbers ...
0
votes
2answers
431 views

Auditing bandwidth of remote sites

I would like to do an automatic audit of bandwidth of my remote offices. I understand that there are many websites where I could ask each user to go to a webpage and run the test. I was hoping there ...
0
votes
4answers
180 views

How to prevent virtual host from connecting to network?

We are discussing the potential of issuing standardized VM images to our staff to use when connecting to our corporate network from their personal computers. Ideally they could run this VM on any ...
2
votes
1answer
242 views

why a network's graph connectivity (k-connectivity) is not a good way to judge reliability?

I was told that a network's graph connectivity is a "dangerous" way to judge reliability. Why is that? In my mind, a complete graph (the most connected graph) is the most reliable network possible. ...
0
votes
1answer
233 views

Strange Network Card Issue (not showing in device manager)

A friend asked if I could have a look at one of their computers because they kept losing all network traffic (local and internet). Unfortunately I forgot to write the motherboard name, but it was an ...
3
votes
5answers
3k views

Troubleshooting loss of network connectivity in Windows 2003 - What else to check?

We are facing a weird problem in our data center. Our Backup server (running EMC Networker) loses network connection every alternate day around 3:00 AM (Backup schedule starts at midnight). After 2 ...
0
votes
1answer
128 views

No Network access with Fedora Core 8

I have recently taken over for another system admin on a project and am in the process of figuring out what we have on our servers before rebuilding things the way they need to be. I have one Dell ...
0
votes
5answers
495 views

What do I need to transform my network from Ethernet to WiFi?

I'd like to know what is the best Hardware to install/buy to transform the whole network of my company from Ethernet to WiFi (keeping Ethernet for security first...). There are 2 servers and 12 ...
1
vote
4answers
2k views

Can ping websites but unable to view them

Windows Server 2003 32-bit. We have moved the server from one office to another, with a new external IP address. The firewall/router is fine as we can connect a laptop to it with a static IP address ...
0
votes
5answers
1k views

userfriendly way to test packetloss between 2 remote PCs

I administer a custom-built asp.net web app for a client. This client often complains of the website "hanging" and not completing page loads. I have never once experienced any such behavior with this ...
1
vote
1answer
194 views

Network connectivity weirdness (local net but no internet)

Here is my situation: I have a computer (A Dell) with a Broadcom ethernet card and an Intel Wireless card. The wireless card is disabled, the Broadcom enabled. The broadcom card has a dedicated IP ...
1
vote
4answers
268 views

Software for monitoring network speed and connectivity

I have been experiencing a lot of dropped connections between on all of my devices and it is really frustrasting..... Does anyone recommend free or reasonable price software to monitor signal ...
1
vote
3answers
657 views

SBS 2003 disconnecting

For the past two years, at random for different users, the connection to our SBS server breaks - the user sees an icon in the system tray saying that the server is unavailable. But it is fine for ...