Changes between Initial Version and Version 1 of Internal/OpenFlow/TunnelNotes

Timestamp:

Jun 23, 2010, 8:42:47 PM (14 years ago)

Author:

ssugrim

Comment:

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Internal/OpenFlow/TunnelNotes

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+Known issues:
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+ 1. When Running the of_start_winlab.sh script wake up the netfpga into a tunneling openflow mode we get this error from the script:
+   Virtex design compiled against active CPCI version
+   RTNETLINK answers: No such file or directory
+   RTNETLINK answers: No such file or directory
+   RTNETLINK answers: No such file or directory
+   RTNETLINK answers: No such file or directory
+   ARP_REPLY_ETH_ADDR_PORT_3_LO_REG=0x46324402
+   
+   However it still works.
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+ 1. After a few minutes of operation the nf2 modules starts dumping buffer messages into the kernels ring buffer. The messages are:
+   [ 1161.690033] nf2: no available transmit/receive buffers
+   [ 1161.690061] nf2: no available transmit/receive buffers
+   [ 1161.690089] nf2: no available transmit/receive buffers
+   
+   We don't know what these errors are, and they are suspected to eventually brining down the tunnel (and thus requiring a reboot). That being said,
+   the tunnel does come up inspite of it.
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+ 1. The tunnel still dies, when I tried to bring it back up the interfaces took a little time to actually wake up, but it eventually got to
+    where it needed to be.
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