Slow ssh connection

buckjrdley

Member
Feb 28, 2011
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My coworker and I are connecting to an ssh server on our network that seems to be lagging only on his machine.
My toshiba laptop with Ubuntu 10.04 runs the connection without any real lag at all, yet his hp running Ubuntu 11.04 runs slow; slow enough that he can't edit any text files without pulling his hair out...
I at first thought it was because he was using the new ubuntu gui and the server runs good old gnome, but running gnome on his machine didn't solve the issue.
Has anyone seen an issue similar to this/have any suggestions to get to the bottom of this?

My setup: Toshiba A205S4707 laptop
His setup: HP Pavilion dv6 laptop
 

Nothinman

Elite Member
Sep 14, 2001
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Wireless? Ethernet duplex mismatch? Did you look at the stats on the NIC in Linux and the port on the switch for errors? Did you do a packet capture and see if that indicated anything?
 

buckjrdley

Member
Feb 28, 2011
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We're both running wireless connections. We're connecting to another server and then into the server we want (port filter circumventing...). It's not my network so I can't do any testing on their infrastructure.
I noticed there are 51 TX packet errors. I'm familiar with basic network administration, but I'm not sure what to make of these errors. Is this the source of my issue?
 

Crusty

Lifer
Sep 30, 2001
12,684
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Are you able to ping between the segments at all to see if one of them has a high latency for some reason?
 

buckjrdley

Member
Feb 28, 2011
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Pinging is fine. I just noticed that his wireless connection is considered eth1. Could there be an issue because linux thinks the wireless connection is ethernet?

EDIT: Check that, he's lagging via ethernet connection and he's lagging trying to connect in Windows.
 
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Nothinman

Elite Member
Sep 14, 2001
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Pinging is fine. I just noticed that his wireless connection is considered eth1. Could there be an issue because linux thinks the wireless connection is ethernet?

EDIT: Check that, he's lagging via ethernet connection and he's lagging trying to connect in Windows.

The device name doesn't really matter, that's just how the driver presents it. Try a Linux Live CD on his PC and see what happens.