Glad you got it going, Sean! Here's one more tidbit for you... On Oct 28, 2010, at 3:47 PM, [email protected] wrote:
> [r...@arcons controlScripts]# /usr/sbin/tcpdump -xx -i eth1 -c 1 > tcpdump: verbose output suppressed, use -v or -vv for full protocol decode > listening on eth1, link-type EN10MB (Ethernet), capture size 96 bytes > 15:36:14.437538 IP 10.0.0.20.60000 > 10.0.0.30.60000: UDP, length 4104 > 0x0000: ffff ffff ffff 0202 0a00 0014 0800 4500 > 0x0010: 1024 0000 4000 ff11 5797 0a00 0014 0a00 > 0x0020: 001e ea60 ea60 1010 0000 0000 0000 0000 This packet is using the broadcast Ethernet MAC address for the Ethernet destination address (bytes 0x00-0x05) even though the IP destination is unicast (bytes 0x1e-0x21). I think this indicates a problem with the ARP table of the 10 GbE core inside the FPGA, which I think indicates a problem with tgtap. If this is going through a switch with other devices attached, I think you will definitely want to fix this; if it's just point-to-point and working for you then no big deal. Hope this helps, Dave
