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General Networking/Lan/Wan/Expert Profile

Jeff K

U.S.

Available

Expertise

LAN (hubs, switches, design, topology, trouble-shooting, etc) WAN (WAN Optimization, QoS / Bandwidth Management, Design, Bandwidth, Trouble-shooting, etc) INTERNET (firewall, QoS / Bandwidth Management, Routers, trouble-shooting, etc)

Experience in the area

Over 20 years in computers and networking. Strong, broad-based expertise from years in Operations and Sales Engineering at major corporations and hardware vendors.

Education/Credentials

B.A., various courses in computers and networking as well as many many years of OJT (on the job training) and real-world experience.

Average Ratings

Recent Reviews from Users

User	Date	K	C	P	Comments
am	05/17/12	10	10	10
Faraz	04/26/12	10	10	10	oh Thanks.
Ahmad	03/29/12	10	10	10	Actually i tried all of these methods .....
Hamid Reza	03/17/12	9	8	10
Andrew	03/13/12	10	10	10

Recent Answers from Jeff K

2012-05-17 finding a router:

Hi Trevor, Sorry to hear about this but these things do happen. It does seem that the root cause is likely the router, since all the wireless devices lose connnectivity together or nearly so.

2012-05-14 switches and wan optimazation:

Hi AM, Yes it is possible for a port on a switch to "go bad". It isn't as common as it used to be but it still does happen. There is no special tool needed - just a bit of logic and troubleshooting

2012-04-28 DNS issue with Office365:

Hi Tom, Thanks for all the details. It looks like you'll need to configure your firewall accordingly to allow those inbound connections and translate them to the internal resource. This is typically

2012-04-26 Subnetting very basic querry:

Hi Faraz, Basically yes, but you are mixing up your initial question with other things. So, let's say that you create a single network like so: 10.1.1.0/24 (the /24 means a subnet mask of 255.255

2012-04-24 Bob:

Hi Bob, I can appreciate your position on this matter. Truly, I do. I am also sorry if you were offended by my response to this one individual. I do hope that my response shocked him into getting

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