[THIN] Re: Harumph! How about this one?
- From: DMelczer@xxxxxxxx
- To: thin@xxxxxxxxxxxxx
- Date: Fri, 27 Aug 2004 07:45:21 -0400
I saw something very similar for a remote office location that we
setup...check to make certain that the line from the ADSL modem to whatever
network hub or switch you're using is hard-coded full duplex on BOTH sides.
I've seen them set to auto negotiate where they negotiate down to half
duplex and you get this kinds of ridiculous ping times whenever file
transfers or ICA bitmaps are loaded...I'm willing to bet dollars to donuts
that there's half duplex somewhere along the link...
Good luck and hope this helps.
-Dave Melczer
dmelczer@xxxxxxxx <mailto:dmelczer@xxxxxxxx>
-----Original Message-----
From: Lambert, Ryan [mailto:rlambert@xxxxxxxxxxxxxxx]
Sent: Thursday, August 26, 2004 4:29 PM
To: thin@xxxxxxxxxxxxx
Subject: [THIN] Harumph! How about this one?
Hey folks.
I've another strange issue that seems to have me stumped, albeit only over a
WAN (ADSL) connection. Note that I do not see this on the LAN.
When someone opens an image via RDP or ICA, you can see the image painting
itself incredibly slow. While this is occurring, you can not click on any
other part of the session (locked up, for all intensive purposes) until the
picture has rendered fully. Now, this is the sick part:
Reply from xxx.xxx.xxx.xxx: bytes=32 time=19ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=17ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=22ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=18ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=17ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=17ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=23ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=17ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=27ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=634ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=514ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=506ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=600ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=861ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=655ms TTL=249
Reply from xxx.xxx.xxx.xxx: bytes=32 time=450ms TTL=249
I bet you can guess when I'm downloading the image to my client, huh?
Ping times are great, until this. This is on off hours, when no bandwidth is
being used by people in-house, so I can't see saturation being an issue. The
traceroute indicates the latency starts right AT their router, and nowhere
in the upstream's backbone.
Now, I'm pretty certain this problem isn't on my end, because I'm on a DS3
that's using hardly any of the load. ;p
Likewise, clients from other sites are complaining about it.
... So, eh?
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