[openib-general] Unknown SMP Recv

[Hal Rosenstock]

On Mon, 2007-02-05 at 10:18, Michael Arndt wrote:
> Hi,
> 
> I have change the driver (smi) a little and have written a tool like a 
> router or a bridge. It receives directed route smp's on one port and sends 
> it to another port. I use 3 nodes (sender on node 1, the router on node 2, 
> normal node on 3) and send a subnGet SMP with [0][1][1] as initial path. And 
> it works fine, but on way back the router also receives a second subnGetResp 
> packet with no data. The header is almost the same as the real subnGetResp 
> packet, just the DrSLID,DrDLID, initial path, return path are 0. Are there 
> any ideas where this packet come from? Ack?

A router should not allow a SMP to cross a subnet boundary. SMPs are
restricted to the local subnet.

-- Hal

> Thanks Michael
>  
> 
> 
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