>> 1) Even with one-to-one style SCTP socket (SOCK_STREAM) I am getting >> port already in use error. >> 2) SO_REUSEPORT socket option I am setting before calling sctp_bindx. >> 3) The second process which results in port already in use error for >> second, has exactly same code (same binary) as the first process thus >> all SCTP sockets bound to the same port have set the SO_REUSEPORT >> option. >> 4) Using SOL_SOCKET option level > What happens if you use the SCTP level option as described in the link > I provided? I used IPPROTO_SCTP option level in setsockopt() but on running the first process itself I got errno 92 (ENOPROTOOPT 92 /* Protocol not available */ ) when code hits set socket option for SO_REUSEPORT. Thanx --Raman On Mon, Sep 22, 2014 at 3:18 PM, Michael Tuexen <Michael.Tuexen@xxxxxxxxxxxxxxxxx> wrote: > > On 22 Sep 2014, at 09:57, Raman Gupta <ramangupta16@xxxxxxxxx> wrote: > >>>> The SO_REUSEPORT socket option was introduced in mainstream kernel 3.9 >>>> for TCP/UDP. Is this option supported for SCTP also? >>> Have you looked at >>> https://tools.ietf.org/html/rfc6458#section-8.1.27 >> >> >> 1) Even with one-to-one style SCTP socket (SOCK_STREAM) I am getting >> port already in use error. >> 2) SO_REUSEPORT socket option I am setting before calling sctp_bindx. >> 3) The second process which results in port already in use error for >> second, has exactly same code (same binary) as the first process thus >> all SCTP sockets bound to the same port have set the SO_REUSEPORT >> option. >> 4) Using SOL_SOCKET option level > What happens if you use the SCTP level option as described in the link > I provided? > > Best regards > Michael >> >> I am using centos6 with kernel 2.6.32-431.29.2.el6.x86_64 >> >> Thanx >> >> --Raman >> >> >> On Sun, Sep 21, 2014 at 5:23 PM, Michael Tuexen >> <Michael.Tuexen@xxxxxxxxxxxxxxxxx> wrote: >>> On 21 Sep 2014, at 08:32, Raman Gupta <ramangupta16@xxxxxxxxx> wrote: >>> >>>> The SO_REUSEPORT socket option was introduced in mainstream kernel 3.9 >>>> for TCP/UDP. Is this option supported for SCTP also? >>> Have you looked at >>> https://tools.ietf.org/html/rfc6458#section-8.1.27 >>> >>> Best regards >>> Michael >>>> >>>> The latest centos6 kernel 2.6.32-417.el6 allows this socket option >>>> for SCTP, but does not seem to support it. I get port already in use >>>> error. >>>> -- >>>> To unsubscribe from this list: send the line "unsubscribe linux-sctp" in >>>> the body of a message to majordomo@xxxxxxxxxxxxxxx >>>> More majordomo info at http://vger.kernel.org/majordomo-info.html >>>> >>> >> > -- To unsubscribe from this list: send the line "unsubscribe linux-sctp" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
