I just did some tests with my setup (radio, router, & laptop). It ONLY likes the port set to AUTO. Anything else causes it to disconnect or act flaky. You might still need the crossover though as I didnt test between 2 radios. Of course you could use a switch if no crossover is available.
On Sat, Jun 5, 2010 at 7:22 PM, Greg Ihnen <os10ru...@gmail.com> wrote: > I'm going to try that when I find one. I have one here somewhere but haven't > found it yet. I could make one but I don't have many RJ45s and since I'm in > the jungle I don't want to blow them on something that's not a necessity. I > do believe if I had the cross over cable then I could force the speed and > duplex if I wanted to. I was doing it more as a diagnostic tool (I don't have > a cable tester). But it does seem like the problem I was having was just a > loose connection as having reseated them seems to have fixed the problem. > I've been running an extended ping session from one end of the network to the > other (I'm up to over 2300 packets) and still not one lost. > > Greg > On Jun 5, 2010, at 6:44 PM, RickG wrote: > >> Did a crossover cable fix it? >> http://ubnt.com/forum/showthread.php?t=18882 >> >> >> On Sat, Jun 5, 2010 at 5:56 PM, Greg Ihnen <os10ru...@gmail.com> wrote: >>> Actually no. Turns out that's the port that has nothing else but the POE >>> injector connected. The search goes on. >>> >>> Greg >>> >>> On Jun 5, 2010, at 4:27 PM, Michael Baird wrote: >>> >>>> Sounds like you found the issue. >>>> >>>> Regards >>>> Michael Baird >>>>> I started using ethtool and backing up through the chain of gear back to >>>>> the router. At one box I'm getting this. Instead of a speed it's saying >>>>> Unknown!(0). and it's only negotiated half duplex. >>>>> >>>>> XM.v5.2# ethtool eth0_real >>>>> Settings for eth0_real: >>>>> Supported ports: [ TP MII ] >>>>> Supported link modes: 10baseT/Half 10baseT/Full >>>>> 100baseT/Half 100baseT/Full >>>>> Supports auto-negotiation: Yes >>>>> Advertised link modes: 10baseT/Half 10baseT/Full >>>>> 100baseT/Half 100baseT/Full >>>>> Advertised auto-negotiation: Yes >>>>> Speed: Unknown! (0) >>>>> Duplex: Half >>>>> Port: MII >>>>> PHYAD: 4 >>>>> Transceiver: internal >>>>> Auto-negotiation: on >>>>> Current message level: 0x00000000 (0) >>>>> Link detected: no >>>>> >>>>> On Jun 5, 2010, at 4:00 PM, Michael Baird wrote: >>>>> >>>>> >>>>>> Try ifconfig first, Ubiquiti doesn't call their interfaces eth0 and >>>>>> eth1, they call them eth0_real and eth1_real. >>>>>> >>>>>> Regards >>>>>> Michael Baird >>>>>> >>>>>>> I read a bit about ethtool and then gave it a shot but this was all I >>>>>>> got. I iterated through eth0 through eth12 and got nothing. >>>>>>> >>>>>>> XM.v5.2# ethtool eth0 >>>>>>> Settings for eth0: >>>>>>> Cannot get device settings: No such device >>>>>>> Cannot get wake-on-lan settings: No such device >>>>>>> Cannot get message level: No such device >>>>>>> Cannot get link status: No such device >>>>>>> No data available >>>>>>> XM.v5.2# ethtool eth1 >>>>>>> Settings for eth1: >>>>>>> Cannot get device settings: No such device >>>>>>> Cannot get wake-on-lan settings: No such device >>>>>>> Cannot get message level: No such device >>>>>>> Cannot get link status: No such device >>>>>>> No data available >>>>>>> XM.v5.2# ethtool eth2 >>>>>>> Settings for eth2: >>>>>>> Cannot get device settings: No such device >>>>>>> Cannot get wake-on-lan settings: No such device >>>>>>> Cannot get message level: No such device >>>>>>> Cannot get link status: No such device >>>>>>> No data available >>>>>>> >>>>>>> On Jun 5, 2010, at 1:50 PM, Michael Baird wrote: >>>>>>> >>>>>>> >>>>>>> >>>>>>>> They are linux based. >>>>>>>> >>>>>>>> Use ethtool<interface> >>>>>>>> >>>>>>>> Regards >>>>>>>> Michael Baird >>>>>>>> >>>>>>>> >>>>>>>>> I have a BulletM2 and a NanostationM5 back to back (the bullet's >>>>>>>>> ethernet port is connected to the NanostationM5's "secondary" port. >>>>>>>>> The NanostationM5 is doing POE pass through and powering the >>>>>>>>> BulletM2. The NanostationM5 the BulletM2 is connected to is the far >>>>>>>>> end of a pair of NanostationM5's acting as a backhaul. >>>>>>>>> >>>>>>>>> I've had some intermittent problems on the network and I wanted to >>>>>>>>> rule out a flaky ethernet cable or connection so I decided to disable >>>>>>>>> auto negotiate on the ethernet port and to force 100Mbps full duplex >>>>>>>>> to see if the problem could be exacerbated to help locate it. When I >>>>>>>>> force the BulletM2 and NanostationM5 to 100Mbps full duplex >>>>>>>>> connectivity between them is lost. I thought "good, I've got a bad >>>>>>>>> cable" so I replaced the cable. Still no good. Tried another. Still >>>>>>>>> no good. The units are close together and connected together with a >>>>>>>>> 6' cable. After trying various cables I still can't get forced >>>>>>>>> 100Mbps full duplex to work. With 100Mbps full dup forced there is no >>>>>>>>> connectivity, not even ping. >>>>>>>>> >>>>>>>>> If I revert to auto negotiate they connect fine. >>>>>>>>> >>>>>>>>> I'm assuming they are connecting at 100Mbps and probably full duplex >>>>>>>>> because if I run a speed test from the BulletM2 to the far >>>>>>>>> NanostationM5 (data path is from the BulletM2 through the ethernet >>>>>>>>> cable to the close NanostationM5, then across the wireless connection >>>>>>>>> (AirMax, no ptp ack) to the far NanostationM5) I'm seeing speeds of >>>>>>>>> 95Mbps both directions with a combined speed of double that so it >>>>>>>>> seems like things are running very well in both directions >>>>>>>>> simultaneously. >>>>>>>>> >>>>>>>>> Is there any way through SSH or scripting to get the UBNT gear to >>>>>>>>> report what speed has been negotiated on the ethernet port using auto >>>>>>>>> negociate? >>>>>>>>> >>>>>>>>> Could this be a bug in the firmware? >>>>>>>>> >>>>>>>>> Thanks! >>>>>>>>> Greg >>>>>>>>> >>>>>>>>> >>>>>>>>> -------------------------------------------------------------------------------- >>>>>>>>> WISPA Wants You! 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