[Beowulf] bonding.txt really confusing, why don't I get higher aggregate bandwidth from multiple TCP connections from multiple gigabit clients with balance-alb bonding on a server?

Skylar Thompson skylar at cs.earlham.edu
Sun Feb 22 15:01:15 PST 2009


Sabuj Pattanayek wrote:
>> Are you certain the MAC spoofing is working? I'd check the ARP tables on
>> your systems, and maybe sniff the wire to see if the right ARP
>> broadcasts are going out.
>>     
>
> Route shows that only bond0 has a routing table. The arp tables on the
> clients i run netperf on show either the mac address of eth0 or eth1
> on the server. When I run netperf on the clients I can see that they
> are either connecting to eth0 or eth1 using iftop. However, I still
> can't get more than 1gbps.
>   

Weird. I'd be interested in hearing if you solve this, since we've just
started using Linux channel bonding. I don't have a lot of debugging
techniques for it yet.

-- 
-- Skylar Thompson (skylar at cs.earlham.edu)
-- http://www.cs.earlham.edu/~skylar/


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