troubleshooting Question

Tracking down reason for lag

Avatar of dave4dl
dave4dl asked on
NetworkingMicrosoft Server OS
7 Comments1 Solution889 ViewsLast Modified:
My neighbor and I vpn into the same workplace and we are seeing very different lag times with Windows remote desktop (he has more lag than me).  I will try to lay out everything I know and maybe you guys can help direct me where to look to alleviate the lag we have.

•      I have cable internet
•      My neighbor has wireless internet (wireless to his house)
•      When I go the various bandwidth testing websites I am getting 350 up/650 down (when VPN’d using)
•      I get 350 up/1024 down at bandwidth testing sites when at my neighbors house (with my same laptop from home) while VPN’d
•      Using Cisco vpn software (required by work)
•      I am behind a wireless router assigning private ips (192.168..)
•      Neighbor is behind a wireless router assigning private IPs as well
•      I always have a pretty good response time with remote desktop when I am at home (almost instantaneous)
•      I usually have bad response time (5 to 10 secs to register a mouse click) when I am at neighbor's but sometimes it is decent (<0.5 sec).  Screen refresh rate isn’t very good either.
•      I am always connecting to the same server with remote desktop
•      At times when my neighbor is experiencing a lot of lag things are always fine at my house (connection is always fine from my house).

What I think is strange is that his connection tests as better than mine but his connection through remote desktop is a lot worse.  Are there better tests I can do?

Settings on the computer can be ruled out i think because i am using the same exact laptop (with no configuration change) for all my tests.

Does anyone have any ideas on what could be causing this behavior and how can I test/verify those ideas?

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