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Question ? What is the maximum transfer speed on an RB153 Board ?   [
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It showed after some testing, that the maximum Interface speed, by not using the builtin Bridge Chip - is around 10.4Mbps (Mega Bits per second), This makes roughly 1.3MiBytes/s. The limitation is due to the CPU Speed which is running at 175MHz. At that speed though CPU utilization hits 100% - while the CPU is at this level - not many manipulations are possible fluently.
The Graphs on the right show this very nicely. On top - WLan, after that the Ether3 interface - server the 4GB Download was done from, and on the bottom the CPU Load in % during the file transfer. You can see very nicely that the CPU barely leaves the 100% mark..

I have noticed that through PPPoE (Bridge to the ether1 Device) 13.4MBits/s have been transferred. So - it seems the PCI-Bus is costing also some resources to the RB153 Board. 

Entered by smurphy on Friday, 14 March 2008 @ 17:17:53  
Configuration - Routerboard RBxxxAH, # Hits: 88825

Attach   WLan small  [ 11,487 bytes - image/png ]
Attach   Load small  [ 11,208 bytes - image/png ]
Attach   Ether3 small  [ 10,803 bytes - image/png ]
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