On Mon, Aug 10, 2015 at 09:34:19PM +0800, Sun Paul wrote: > Thank for the reply > > can you provide more details on this? > man 7 sctp Take a look at the sctp_paddrparams structure. Use the spp_pathmtu flag to disable path discovery on a given tranport, which should disable the don't fragment bit for that transport. Neil > > > On Mon, Aug 10, 2015 at 8:25 PM, Neil Horman <nhorman@xxxxxxxxxxxxx> wrote: > > On Mon, Aug 10, 2015 at 04:36:01PM +0800, Sun Paul wrote: > >> Hi > >> > >> is there a way to configuration to configure the IPv4 "Don't Fragment" > >> aligned with the system variable net.ipv4.ip_no_pmtu_disc? > >> > >> from the testing so far, the DF always set to 1 for those SCTP packet > >> generated from LKSCTP. > >> > >> - paul > >> -- > >> 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 > >> > > > > PMT is set per peer address in sctp. It defaults to on IIRC, and can be > > disabled per peer via the SCTP_PEER_ADDR_PARAMS socket option. > > > > Neil > > > -- > 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