On Saturday, May 28, 2016 at 8:38:59 PM UTC+3:30, Dennis Lee Bieber wrote: > > On Sat, 28 May 2016 03:05:46 -0700 (PDT), > [email protected] <javascript:> declaimed the > following: > > > >But when i connect two BBB peer to peer, result is different. in this > case, > >link not brought up and the LEDs of ethernet ports not light up and hence > i > >can't ping from one BBB to another one. > > Don't use a regular ethernet cable -- use a cross-over cable -- > with a > regular cable you just connected Tx1 to Tx2 and Rx1 to Rx2, rather than > Tx1 > to Rx2 and Rx1 to Tx2 > > using cross-over cable has no effect on result.
> Routers/switches/hubs do the cross-over internally, and some even > are > designed with auto-sense to work with either a cross-over or straight > cable > (normally when linking two switches together when they don't have a > dedicated link port) > > > >Some points are here: > >1- Sometimes, after a while about 1, 2, minutes... or more, the link > >becomes up. > > Possibly something in the BBB is capable, after enough time, to > logically swap Tx and Rx in the PHY layer. > -- > Wulfraed Dennis Lee Bieber AF6VN > [email protected] <javascript:> HTTP://wlfraed.home.netcom.com/ > > -- For more options, visit http://beagleboard.org/discuss --- You received this message because you are subscribed to the Google Groups "BeagleBoard" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/beagleboard/c4ca779d-cdf2-4100-bbd3-4dad8733f29f%40googlegroups.com. For more options, visit https://groups.google.com/d/optout.
