[j-nsp] TCP

[Darren O'Connor]

How many TCP flows are you sending? At those speeds I feel -P 5 or -P 10 helps a lot. What's the window size on your receiver as well?

> Date: Wed, 19 Nov 2014 22:18:04 +0100
> From: johan.borch at gmail.com
> To: juniper-nsp at puck.nether.net
> Subject: [j-nsp] TCP
> 
> Hi!
> 
> 
> I'm doing some performance troubleshooting between two linux systems, the
> servers are located in each end of an L3VPN, with a bunch of routers
> between them.
> 
> Using Iperf and UDP I get ~1Gbps in both directions
> Using iperf and TCP i get ~400Mbps in one direction and ~60Mbps in the
> other direction
> 
> Could this still be a network problem or should I dig on the linux side?
> 
> Johan
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