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Od: <os2-wireless_users@2rosenthals.com> Glava
Izvorno E-sporo?ilo
Zadeva: Nic/router speed drop
Datum: Sun, 28 Feb 2010 18:48:12 MST
Za: "OS/2 Wireless Users Mailing List" <os2-wireless_users@2rosenthals.com>

My several month problem of local lan speeds through Linksys router suddenly dropping from 25-30Mbits to 56k modem speed
occurred again.  Internet side never changed much, LAN could zoom or crawl.  Followed Lewis's advice that Linksys was burning
up and replaced with new Dynex.

 With LInksys today get sometimes crawl speed, other times relatively normal and lockups on ftp transfer on local side.  With
Dynex get intial faster speeds and almost immediate lockup.  Thought occured perhaps nic's were not on same network speed.
Began modifying .nif files for each card as below.

 From Accton chip nif:
[MEDIA]
 display = "Physical Medium Type"
 type = String
 strlength = 14
; default = "AUTODETECT"
 default = "UTP_100"
 set = AUTODETECT, UTP, UTP_FD, UTP_100,UTP_100FD

 Intel and Admtek also set same.  Tried full duplex 100 first.   Does above look suitable?  Is Autodetect better?  4 months ago
everything cruised along so something changed.

 On suggestion from this list ran Netio as follows with Accton chip as client.  Do these speeds appear normal?  Machines with Intel
and Accton worked fine in previous months.  Admtek recent addition and it could be swapped for other chipset.

NETIO - Network Throughput Benchmark, Version 1.26

 Intel Pro100 nic
TCP connection established.
Packet size  1k bytes:  10298 KByte/s Tx,  7621 KByte/s Rx.
Packet size  2k bytes:  11414 KByte/s Tx,  7636 KByte/s Rx.
Packet size  4k bytes:  11427 KByte/s Tx,  7616 KByte/s Rx.
Packet size  8k bytes:  11278 KByte/s Tx,  7624 KByte/s Rx.
Packet size 16k bytes:  11268 KByte/s Tx,  7471 KByte/s Rx.
Packet size 32k bytes:  11319 KByte/s Tx,  7581 KByte/s Rx.

  Admtek nic
TCP connection established.
Packet size  1k bytes:  8624 KByte/s Tx,  8091 KByte/s Rx.
Packet size  2k bytes:  9819 KByte/s Tx,  8335 KByte/s Rx.
Packet size  4k bytes:  10513 KByte/s Tx,  9765 KByte/s Rx.
Packet size  8k bytes:  11113 KByte/s Tx,  10024 KByte/s Rx.
Packet size 16k bytes:  11158 KByte/s Tx,  9597 KByte/s Rx.
Packet size 32k bytes:  11104 KByte/s Tx,  8804 KByte/s Rx.

 Since switch of router problem changed.  One part better, something else worse.  Is there a tool to determine what connect speed
2 nics connect at?

        Cal

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