On 25 April 2011 09:32, Henrique de Moraes Holschuh <h...@debian.org> wrote: > On Sun, 24 Apr 2011, Jim Green wrote: >> I have a asus p8p67 deluxe board and it has two nics and two ports, I >> am thinking of bonding them to one nic, but I only have one cable so >> will only use one port. Will this do much help to the >> throughput/speed? If I have two cables connecting to both ports I >> think it will definitely help, but here I only be using one cable/one >> port and two nics bonded to one virtual nic. > > Your board has Realtek 8111Es for NICs. I won't sugar-coat it: that > stuff cannot be called good gigabit ethernet NICs in any way. Its only > saving grace is that it is dirty cheap. > > Try to get jumbo frames working on your network, it should help you get > better throughput _if it works right_. You just have to set the MTU to > the *same jumbo frame size* on *every host on your network* to enable > that. But make sure your switch can handle jumbo frames first, and that > such support is enabled. > > Example jumbo MTU sizes: 9000, 7200, 4000. Which one you can reliably > use depends on the least capable device in your network and their bugs. > > I would expect bonding to actually make things worse with r8169-based > NICs, but maybe it would distribute the interrupts better and give you > better performance at the cost of wasting even more CPU resources. This > is only cost-effective if you happen to have a gigabit managed switch > capable of link bonding (LACP) already, or when directly connecting two > computers. > > Bonding with just one cable simply doesn't help performance. Either the > devices notice the missing link and disable the offending ports (and you'll > be slightly worse off than you'd be without any bonding in the first place), > or you will have the packet loss from hell. >
Looking at this, I think I am better off disabling the realtec nic and use intel® 82579 Gigabit LAN controller on the board instead. Thanks! -- To UNSUBSCRIBE, email to debian-user-requ...@lists.debian.org with a subject of "unsubscribe". Trouble? Contact listmas...@lists.debian.org Archive: http://lists.debian.org/banlktimcjqpytax6axo6hhoj7svkqr_...@mail.gmail.com
