[SCTP] transport address unconfirmed instead of inactive

2011-01-17 Thread Schoch Christian
I did some test with multihoming and failover. My problem is that if one transport failes it never comes back to active (no heartbeats are sent any more). My setup: FreeBSD 8.1 Linux 2.6.36 172.16.1.4 - 172.16.1.3 172.17.1.4 - 172.17.1.3 Packets from 16.1.4 to 17.1.

Re: [SCTP] transport address unconfirmed instead of inactive

2011-01-19 Thread Schoch Christian
addresses had a netmask of 255.255.0.0 so both addresses were located in the same subnet. Did the same test with 2 Vmware machines and other addresses which was successful. Regards, Christian On Jan 17, 2011, at 8:11 AM, Schoch Christian wrote: I did some test with multihoming and

connect with SOCK_SEQPACKET

2011-01-23 Thread Schoch Christian
Hi, While porting a SCTP test tool, I figured out, that connect with SOCK_SEQPACKET (SCTP 1-to-many style socket) is always returning 0, regardless if the connection could be established or not. The problem is that this result is responsible for client or server mode of the tools. If th

[SCTP] ICMP unreachable message reenables data transmit

2011-04-30 Thread Schoch Christian
RTO. This behavior is triggered by a returning heartbeat message when no ICMP unreachable by data is sent quite before. Test system are two multi-homed hosts with FreeBSD8.1 and a WANem host between. A wireshark log can be provided on demand (quite large). Regards, Schoch Christian

Re: [SCTP] ICMP unreachable message reenables data transmit

2011-04-30 Thread Schoch Christian
Zitat von Michael Tüxen : On Apr 30, 2011, at 9:11 AM, Schoch Christian wrote: During a measurement with CMT-SCTP and PF i figured out, that sometimes a ICMP Destination unreachable message triggers a message transmission on an inactive data path that has been primary before. It looks

Re: [SCTP] ICMP unreachable message reenables data transmit

2011-05-01 Thread Schoch Christian
On Apr 30, 2011, at 12:15 PM, Schoch Christian wrote: On Apr 30, 2011, at 9:11 AM, Schoch Christian wrote: During a measurement with CMT-SCTP and PF i figured out, that sometimes a ICMP Destination unreachable message triggers a message transmission on an inactive data path that has been

Re: [SCTP] ICMP unreachable message reenables data transmit

2011-05-01 Thread Schoch Christian
Zitat von Michael Tüxen: On May 1, 2011, at 1:10 PM, Schoch Christian wrote: On Apr 30, 2011, at 12:15 PM, Schoch Christian wrote: On Apr 30, 2011, at 9:11 AM, Schoch Christian wrote: During a measurement with CMT-SCTP and PF i figured out, that sometimes a ICMP Destination unreachable