On Dec 14, 2013, at 8:09 PM, Jamal Hadi Salim <jhs@xxxxxxxxxxxx> wrote: > On 12/14/13 13:47, Michael Tuexen wrote: >> On Dec 14, 2013, at 7:35 PM, Jamal Hadi Salim <jhs@xxxxxxxxxxxx> wrote: >> >>> >>> Tried using close - no luck. I may have observed maybe 1 out >>> 100 runs where a proper shutdown was sent - which maybe an >>> an improvement, but i could be imagining that. >> OK. What happens when the shutdown guard timer runs off > > Where do i find this timer and how do i control it? In FreeBSD it can be controlled by a sysctl: net.inet.sctp.shutdown_guard_time: 180 Don't know about Linux. > Waiting for a few hours last time didnt seem to cure this. OK. But the suggested value is 3 Minutes... Best regards Michael > I have one stuck right now, will give it another 5 minutes > then close the client and see if things work. > > My sctp configs: > ---- > net.sctp.addip_enable = 0 > net.sctp.addip_noauth_enable = 0 > net.sctp.addr_scope_policy = 1 > net.sctp.association_max_retrans = 10 > net.sctp.auth_enable = 0 > net.sctp.cookie_hmac_alg = sha1 > net.sctp.cookie_preserve_enable = 1 > net.sctp.default_auto_asconf = 0 > net.sctp.hb_interval = 30000 > net.sctp.max_autoclose = 8589934 > net.sctp.max_burst = 4 > net.sctp.max_init_retransmits = 8 > net.sctp.path_max_retrans = 5 > net.sctp.pf_retrans = 0 > net.sctp.prsctp_enable = 1 > net.sctp.rcvbuf_policy = 0 > net.sctp.rto_alpha_exp_divisor = 3 > net.sctp.rto_beta_exp_divisor = 2 > net.sctp.rto_initial = 3000 > net.sctp.rto_max = 60000 > net.sctp.rto_min = 1000 > net.sctp.rwnd_update_shift = 4 > net.sctp.sack_timeout = 200 > net.sctp.sctp_mem = 138363 184487 276726 > net.sctp.sctp_rmem = 4096 865500 4194304 > net.sctp.sctp_wmem = 4096 16384 4194304 > net.sctp.sndbuf_policy = 0 > net.sctp.valid_cookie_life = 60000 > --------- > > cheers, > jamal > -- 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
