[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/

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 250 bytes
Desc: OpenPGP digital signature
URL: <http://www.beowulf.org/pipermail/beowulf/attachments/20090222/09c4d816/attachment.sig>

More information about the Beowulf mailing list