Date: Mon, 10 Mar 2014 14:22:10 +0800 From: Niu Zhixiong <kaiaixi@gmail.com> To: freebsd-net@freebsd.org Subject: A problem on SCTP Message-ID: <CAOENNMBxFctiQr8k=HJ4fe6kv05Tz0HgVJt-TQEoMbDNo5BdvA@mail.gmail.com>
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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 =3D freebsd 10 / i386 / the IF is vtnet2 192.168.6.100
freetest1 =3D 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 *.* LISTE=
N
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 *.* LISTE=
N
tcp4 0 0 *.22 *.* LISTE=
N
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 =3D 4bc75bae
- Remote Address =3D 192.168.6.110:9000
- Control Address =3D 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 root@snap.freebsd.org:/usr/obj/usr/src/sys/GENERIC
i386
Could somebody help me? Thank you in advance.
Regards,
Niu Zhixiong
=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=
=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D=EF=BC=8D
kaiaixi@gmail.com
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