On 10 Mar 2014, at 07:22, Niu Zhixiong <kaia...@gmail.com> wrote: > Dear freebsd-net all, > I am a beginner of FreeBSD. I meet a problem in SCTP testing. > > I have two virtual machine, both installed FreeBSD 10 / i386 / with generic > KERNEL > (the host is CentOS 6.5 x86-64 with KVM) > > The first virtual machine named freetest0 and second is freetest1 > > freetest0 = freebsd 10 / i386 / the IF is vtnet2 192.168.6.100 > freetest1 = freebsd 10 / i386 / the IF is vtnet2 192.168.6.110 > > I want to test the speed between to freetest(s) IF. > But, the problem is they cannot get connected by SCTP. the TCP and UDP are > well. > > Whatever I use iperf3 (with SCTP support) and netperfmeter, they cannot get > connected by SCTP. > > #the server is freetest1 > root@freetest1:~ # netstat -an -f inet > Active Internet connections (including servers) > Proto Recv-Q Send-Q Local Address Foreign Address > (state) > tcp46 0 0 *.9000 *.* LISTEN > tcp4 0 0 192.168.0.110.22 192.168.0.1.39754 > ESTABLISHED > tcp4 0 0 192.168.0.110.22 192.168.0.1.39752 > ESTABLISHED > tcp4 0 0 127.0.0.1.25 *.* LISTEN > tcp4 0 0 *.22 *.* LISTEN > udp46 0 0 *.9000 *.* > udp4 0 0 *.514 *.* > Active SCTP associations (including servers) > Proto Type Local Address Foreign Address (state) > sctp46 1to1 fe80::5054:ff:fe.9000 LISTEN > 192.168.8.110.9000 > fe80::5054:ff:fe.9000 > 192.168.6.110.9000 > fe80::5054:ff:fe.9000 > 192.168.0.110.9000 > 127.0.0.1.9000 > fe80::1.9000 > ::1.9000 > sctp46 1toN fe80::5054:ff:fe.9001 LISTEN > 192.168.8.110.9001 > fe80::5054:ff:fe.9001 > 192.168.6.110.9001 > fe80::5054:ff:fe.9001 > 192.168.0.110.9001 > 127.0.0.1.9001 > fe80::1.9001 > ::1.9001 > > > > > > root@freetest0:~ # netperfmeter 192.168.6.110:9000 > Network Performance Meter - Version 1.0 > --------------------------------------- > > Active Mode: > - Measurement ID = 4bc75bae > - Remote Address = 192.168.6.110:9000 > - Control Address = 192.168.6.110:9001 - connecting ... > > #<cannot get connected> > > > > root@freetest0:~ # tcpdump -i vtnet2 > tcpdump: verbose output suppressed, use -v or -vv for full protocol > decode > listening on vtnet2, link-type EN10MB (Ethernet), capture size 65535 > bytes > 14:11:03.839031 IP 192.168.6.100.55228 > 192.168.6.110.5201: Flags [S], > seq 1318388212, win 65535, options [mss 1460,nop,wscale 6,sackOK,TS val > 2652085 ecr 0], length 0 > 14:11:03.868787 IP 192.168.6.110.5201 > 192.168.6.100.55228: Flags > [R.], seq 0, ack 1318388213, win 0, length 0 > 14:11:35.235362 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > 14:11:38.256378 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > 14:11:40.256418 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > 14:11:44.256099 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > 14:11:52.254442 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > > root@freetest1:~ # tcpdump -i vtnet2 > tcpdump: verbose output suppressed, use -v or -vv for full protocol > decode > listening on vtnet2, link-type EN10MB (Ethernet), capture size 65535 > bytes > 14:11:35.979349 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > 14:11:39.000411 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > 14:11:41.000495 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > 14:11:45.000116 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > 14:11:52.998491 IP 192.168.6.100.52018 > 192.168.6.110.9001: sctp (1) > [INIT] [init tag: 3995201801] [rwnd: 1864135] [OS: 10] [MIS: 2048] [init > TSN: 332259025] > > root@freetest0:~ # uname -a > FreeBSD freetest0 10.0-RELEASE FreeBSD 10.0-RELEASE #0 r260789: Fri Jan 17 > 01:46:25 UTC 2014 r...@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC > i386 > > Could somebody help me? Thank you in advance. I haven't used KVM, so I hope there is no NAT involved between the two FreeBSD machines.
Can you build a kernel with SCTP_DEBUG added to the options? Then use sudo sysctl -w net.inet.sctp.debug=1 to enable it on the server. This should provide some information what is going on. Best regards Michael > > Regards, > Niu Zhixiong > －－－－－－－－－－－－－－－ > kaia...@gmail.com > _______________________________________________ > freebsd-net@freebsd.org mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-net > To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org" _______________________________________________ freebsd-net@freebsd.org mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-net To unsubscribe, send any mail to "freebsd-net-unsubscr...@freebsd.org"
