Re: [OMPI users] Question about virtual interface

2020-06-25 Thread John Hearns via users
o output) when > I specified btl_base_verbose 100. > > > > I will try using the CIDR for the below hosts as an experiment. > > > > Regards, > > Vipul > > > > > > > > From: Jeff Squyres (jsquyres) [mailto:jsquy...@cisco.com] > > Sent: Tues

Re: [OMPI users] Question about virtual interface

2020-06-23 Thread Jeff Squyres (jsquyres) via users
gt; Vipul > > > > From: Jeff Squyres (jsquyres) [mailto:jsquy...@cisco.com] > Sent: Tuesday, June 23, 2020 1:36 PM > To: Open MPI User's List > Cc: Kulshrestha, Vipul > Subject: Re: [OMPI users] Question about virtual interface > > https://www.open-mpi.

Re: [OMPI users] Question about virtual interface

2020-06-23 Thread Kulshrestha, Vipul via users
Vipul Subject: Re: [OMPI users] Question about virtual interface https://www.open-mpi.org/faq/?category=tcp#ip-virtual-ip-interfaces is referring to interfaces like "eth0:0", where the Linux kernel will have the same index for both "eth0" and "eth0:0". This will cause

Re: [OMPI users] Question about virtual interface

2020-06-23 Thread Jeff Squyres (jsquyres) via users
https://www.open-mpi.org/faq/?category=tcp#ip-virtual-ip-interfaces is referring to interfaces like "eth0:0", where the Linux kernel will have the same index for both "eth0" and "eth0:0". This will cause Open MPI to get confused (because it identifies Ethernet interfaces by their kernel indexes

[OMPI users] Question about virtual interface

2020-06-18 Thread Kulshrestha, Vipul via users
Hi, I have read conflicting statements about OMPI support for virtual interfaces. The Open MPI FAQ mentions that virtual IP interfaces are not supported and this will not be solved by using either btl_tcp_if_include or btl_tcp_if_exclude. (https://www.open-mpi.org/faq/?category=tcp#ip-virtual-