Thursday, July 19, 2007

OpenWRT speed tests, TW Cable speeds

Linksys WRT54GS version 1.0


SCP from my laptop (TC4200, WinXP SP2) to two different test servers (Gentoo, 2.6.x kernel);
Transfer size (single file) : ~250 MB
Measured Speed: 2850 KB/sec = 2.78 MB/sec

SCP from server to server :
Transfer size (single file) : 175,088,811
11.1 MB/sec (~15 secs)

Obviously my laptop could use a better network stack somewhere...

----
Two cable connections, one to HD DVR box (DCT 6416), one to Cable Modem:
low 4.2 Mbps, high 5 Mbps (640.5 KBps), average 4.6 (599 KBps)
----
One cable connections, to Cable Modem :

Transfer speed on my Time Warner cable : low 5.9 Mbps, high 6.3 Mbps (803.1 KBps), average 6.1 (770 KBps)

----
3 way splitter 3V-G , cable modem only (3.5 db):
low 3.0
avg 5.0 (638 KB)
high 6.2 (790.7 KB)


--
3 way splitter Monster, cable modem only (-5.7 db)
low 4.0
avg 5.9 (750 KB)
high 6.2 (794 KB)

Added HD DVR:
avg 5.8 (740 KB)

Cable on :
avg 5.8(738 KB)

Added ReplayTV :
avg 4.2 (535.1 KB)
hi : 5.0
spuradic speeds now

Removed HD DVR :
avg 4.5 (574)

Unplugged ReplayTV cable :
avg 4.5

Disconnected AR cable : back to 6.1
Reconnect AR cable : still at 6.1

Connect AR cable to Cable Modem : 6.1 Mbps

Connect ReplayTV : drop to avg 5.6 (716 KB) - hi 6.0 - 6.4
Connect HD DVR : drop to avg 6.0 (768 KB) - hi 6.4 (813 KB)

---
ReplayTV record, HD DVR playing : avg 4.8 (611 KB), lo 4.1 (520 KB)

Changed AR Cable to Cable Modem to old standard white cable : avg 4.7 Mbps (598), low 4.5
---

3 ft AR to RPTV, 1.5 ft to Modem, 4 ft to DVR : 4491 / 465

-----
New 3 splitter (3.5, 7, 7) : 4.5 Mbps
Monster 3 splitter (5.7, 5.7, 5.7) : 4.9


2 way splitter (3.5, 3.5), one to modem, one to 3 way splitter : 4.8, hi 5.0

----

No comments: