Sean Hefty wrote: >>> I was hoping to set the IB mtu to 4096 instead of 2048 as shown in the >>> ibv_devinfo. Any ideas on that? >>> >> Mike, The issue here is likely that one of the nodes/ports may be in datagram >> mode and the other one in connected mode. > > I believe he's trying to control the IB MTU, not the IP MTU. > > The IB MTU can be restricted based on the HCA capabilities or the switch > capabilities that the HCA may be connected to. Do you know if these support a > larger MTU size?
Sean, You are right about the IB MTU. My guess was that he was trying to set both (based on the 2044 in his mail). I use the embedded SM rather than openSM. Hence guidance on that will be helpful. Pradeep _______________________________________________ general mailing list [email protected] http://lists.openfabrics.org/cgi-bin/mailman/listinfo/general To unsubscribe, please visit http://openib.org/mailman/listinfo/openib-general
