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If you run the client and the server on different hosts
you can not specify 127.0.0.1 as the destination because
it is the loopback address.

Best regards
Michael

On Sep 14, 2004, at 12:27 Uhr, babu wrote:

Hello,

i have just started looking at the sctp. i would like
to test multihoming feature of sctp. i read some
discussion Archives from the website sctp.de. and i
tried to run the example client and sever program. 1st
i run sever program on one host using the following
command:
[root@localhost programs]# ./echo_server -i&

and after that, in another host i run the client
program using the following command:
[root@localhost programs]# ./terminal -d 127.0.0.1 -i

and after input some characters, i press enter and i
got the following errors:

sctp_send: internal error !
sctp_receiveUnsent: Association is not in state
CLOSED.
SCTP_receiveUnacked: Association is not in state
CLOSED.
sctp_deleteAssociation: assoc not ready for deletion
or lib not initialized:

i'm using fedora core 2 operating system. and my
network configuration is as follows:

the network configuration of one host in which i run
server program:
[root@localhost root]# ifconfig
eth0 Link encap:Ethernet HWaddr
00:E0:18:99:22:C2
inet addr:172.30.58.2 Bcast:172.30.58.255
Mask:255.255.255.0
inet6 addr: fe80::2e0:18ff:fe99:22c2/64
Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:29 errors:0 dropped:0 overruns:0
frame:0
TX packets:15 errors:0 dropped:0 overruns:0
carrier:0
collisions:0 txqueuelen:1000
RX bytes:3150 (3.0 Kb) TX bytes:798 (798.0
b)

eth1 Link encap:Ethernet HWaddr
00:02:B3:03:AC:38
inet addr:172.30.59.2 Bcast:172.30.59.255
Mask:255.255.255.0
inet6 addr: fe80::202:b3ff:fe03:ac38/64
Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:1356 errors:0 dropped:0
overruns:0 frame:0
TX packets:121 errors:0 dropped:0 overruns:0
carrier:0
collisions:0 txqueuelen:1000
RX bytes:205599 (200.7 Kb) TX bytes:10050
(9.8 Kb)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:3533 errors:0 dropped:0
overruns:0 frame:0
TX packets:3533 errors:0 dropped:0
overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:2823954 (2.6 Mb) TX bytes:2823954
(2.6 Mb)


the network configuration of another host in which i
run client program:

[root@localhost init.d]# ifconfig
eth0 Link encap:Ethernet HWaddr
00:E0:18:99:22:C4
inet addr:172.30.58.3 Bcast:172.30.58.255
Mask:255.255.255.0
inet6 addr: fe80::2e0:18ff:fe99:22c4/64
Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:0 errors:0 dropped:0 overruns:0
frame:0
TX packets:39 errors:0 dropped:0 overruns:0
carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 b) TX bytes:3474 (3.3 Kb)

eth1 Link encap:Ethernet HWaddr
00:D0:B7:8F:24:22
inet addr:172.30.59.3 Bcast:172.30.59.255
Mask:255.255.255.0
inet6 addr: fe80::2d0:b7ff:fe8f:2422/64
Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500
Metric:1
RX packets:1944 errors:0 dropped:0
overruns:0 frame:0
TX packets:1298 errors:0 dropped:0
overruns:0 carrier:0
collisions:224 txqueuelen:1000
RX bytes:779363 (761.0 Kb) TX bytes:181328
(177.0 Kb)

lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:16436 Metric:1
RX packets:3558 errors:0 dropped:0
overruns:0 frame:0
TX packets:3558 errors:0 dropped:0
overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:3663708 (3.4 Mb) TX bytes:3663708
(3.4 Mb)

any help would be appreciated.

regards
babu








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• [SCTP-Discussion] the example client and sever program, babu, 09/14/2004
  • Re: [SCTP-Discussion] the example client and sever program, Michael Tuexen, 09/14/2004
    • Re: [SCTP-Discussion] the example client and sever program, babu, 09/15/2004

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