Date: Wed, 27 Jan 2010 17:52:17 +0200 From: Shteryana Shopova <syrinx@FreeBSD.org> To: Steven Hartland <killing@multiplay.co.uk> Cc: freebsd-net@freebsd.org Subject: Re: Problems getting lagg to balance using lacp Message-ID: <61b573981001270752q4e21a8a9ldf19718ca3fb474c@mail.gmail.com> In-Reply-To: <251ACDBA39F244B7B8D1520DE3C95DF1@multiplay.co.uk> References: <8E2B6E11A79B4958B94B44A41C7D4298@multiplay.co.uk> <61b573981001270543k6514a5g8d4f679777b69b49@mail.gmail.com> <251ACDBA39F244B7B8D1520DE3C95DF1@multiplay.co.uk>
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On Wed, Jan 27, 2010 at 5:25 PM, Steven Hartland <killing@multiplay.co.uk> wrote: > > ----- Original Message ----- From: "Shteryana Shopova" <syrinx@FreeBSD.org> > >> What types of traffic streams are you testing this with? if_lagg will >> use the SRC/DST MACs and IP addresses for IP traffic to decide which >> member port of the lagg to sent the traffic out to, balancing of >> incoming traffic should be done by the Cisco on the same principle. >> Try a different laggproto for the if_lagg interface e.g. roundrobin >> with channel-group <number> mode on set on the switchports. > > I was testing with iperf to and from two other machines on the network. > > If I tested with one machine I got 1g throughput, with 2 machines I > got ~500Mbps on each, for both inbound and outbound on em1. > > == laggproto lacp + channel-group 2 mode active == > Got the same with both inbound and outbound connection > > == laggproto fec + channel-group 2 mode on == > Got the same with both inbound and outbound connection > > == laggproto loadbalance + channel-group 2 mode on == > Got the same with both inbound and outbound connection > > == laggproto roundrobin + channel-group 2 mode on ==, > Instead of 1Gbps throughput on one interface I get 500Mbps on each for > outbound only still no change with inbound. > > Any other ideas? > > Inbound load balancing is controlled by the Cisco - try playing with different options for <port-channel load-balance> - I guess src-dst-port option (if available) should give better results. cheers, Shteryana
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