Changes between Version 21 and Version 22 of Internal/OpenFlow/QuantaSetup
- Timestamp:
- Dec 21, 2013, 3:05:36 AM (11 years ago)
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Internal/OpenFlow/QuantaSetup
v21 v22 41 41 u-boot is the second-stage boot loader for the switch firmware. It has enough smarts to allow you to flash the switch and inspect/configure various boot options, and in the case of !OpenFlow, set parameters that the switch will use to connect to the controller. 42 42 43 To enter the u-boot prompt, you have to interrupt the boot process when you see the u-boot banner.The easiest way to do this is to have a serial connection to the switch so you can see it boot. This can be set up using a RJ-45 to RS-232 cable. A Cisco cable will also work for this. Connect the RJ-45 end to the port labeled "Con" on a switch, and the other end to the PC. Next, start a session from a shell with kermit as root:43 To enter the u-boot prompt, you have to interrupt the boot process when you see the u-boot banner.The easiest way to do this is to have a serial connection to the switch so you can see it boot. This can be set up using a RJ-45 to RS-232 cable. A Cisco cable will also work for this. Connect the RJ-45 end to the port labeled "Con" on a switch, and the other end to the PC. Next, as root, start a session from a shell using ` kermit`: 44 44 45 45 {{{