Date: Thu, 1 Jan 2009 17:59:07 +0100 From: =?ISO-8859-1?Q?Michael_T=FCxen?= <Michael.Tuexen@lurchi.franken.de> To: FreeBSD Net <freebsd-net@freebsd.org> Subject: SCTP related issue with recent ARP changes? Message-ID: <A3B60541-1902-421D-A57B-C554B93AF912@lurchi.franken.de>
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Dear all, I'm running the current CVS version of FreeBSD 8 in a virtual machine using VMWare 2.0.1 on a Mac (not sure if this is relevant) and bridged networking having an em interface on the virtual machine. I'm using a similar setup with older FreeBSD machines and they are running fine. Loopback communication based on UDP, TCP, SCTP or ICMP works fine. Communicating with other hosts using UDP, TCP or ICMP works fine. Communicating with other hosts using SCTP does not work. The SCTP stack calls ip_output() and an ARP request for the correct destination IP address is send out. A corresponding ARP reply is visible in Wireshark (running on the FreeBSD 8 box) and looks good. However, the corresponding SCTP packet it never sent out. I'm not sure, but this might be related to the recent ARP changes. Is there anything required from the transport layer to be done when calling ip_output() that was not required before? Best regards Michael
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