What Firmware are u running ? Faisal Imtiaz Snappy Internet & Telecom 7266 SW 48 Street Miami, Fl 33155 Tel: 305 663 5518 x 232 Helpdesk: 305 663 5518 option 2 Email: supp...@snappydsl.net
On 9/7/2010 8:43 PM, Chuck Hogg wrote: > Signal levels don't matter when the air rate tests are doing very > well...and as expected. But just for kicks, -58/-59 and -63/-64. > > eth0_real Link encap:Ethernet HWaddr 00:15:6D:F1:C9:BA > UP BROADCAST RUNNING PROMISC MULTICAST MTU:1500 Metric:1 > RX packets:5469815 errors:0 dropped:0 overruns:0 frame:0 > TX packets:7545829 errors:0 dropped:0 overruns:0 carrier:0 > collisions:0 txqueuelen:500 > RX bytes:663728422 (632.9 MiB) TX bytes:1633552247 (1.5 GiB) > > > The others show the same thing. One other thing I noticed. If I use > the MikroTik ping tool, set the timeout to 100ms (makes the ping go > about 10x faster than normal), it will drop packets like crazy. When I > say like crazy, I mean 4-8% from ethernet port on MikroTik to UBNT. I > can reproduce this on 4 different rockets, with 3 different MT board > types (1x493AH, 1x750G, 1x493). If I set the negotiation speed to 10M > full duplex the problem goes away with the packet loss. > > Using Shielded cable, shielded ends, with surge suppressors on both top > and bottom. I have tried different cable, and with and without surge > suppressors with the same results. Lucky for me I only need 10M on one > PtP link. > > The 3.65 link I happen to have a nice 24 port Dell Managed Switch. For > whatever reason, it works fine through the Managed Switch. So I tried > cheap switches (Linksys, Netgear, and DLink) at the other location, and > it was a no go. I don't want to have to buy a $200 switch to make the > problem go away...I'll just replace with MikroTik backhauls if I have to > do that. I'm hoping they figure out the problems. > > Regards, > > Chuck > > > On Tue, Sep 7, 2010 at 7:30 PM, Faisal Imtiaz <fai...@snappydsl.net > <mailto:fai...@snappydsl.net>> wrote: > > What is the Firmware you are running on the PowerBridges ? > and what are the signal levels... on Chain 0 / Chain 1 > > ..Also Make sure the MTU / L2MTU on the Mikrotik are 1500/1524 > > Try to auto negotiation on the ports on both the Mikrotik & PBM5 > > also, ssh into the PBM5 & use /bin/ifconfig command to see if > there are > any errors on the Ethernet Port and duplex mismatch ? > > > Faisal Imtiaz > Snappy Internet & Telecom > 7266 SW 48 Street > Miami, Fl 33155 > Tel: 305 663 5518 x 232 > Helpdesk: 305 663 5518 option 2 Email: supp...@snappydsl.net > > On 9/7/2010 6:44 PM, Steve Barnes wrote: > > I changed out a StarOS backhaul with a pair of PowerBridge 5M > radios, 4 > > mile link. I Have an odd issue. The link is perfect 130MB 99% > Airmax. > > UBNT Speed test from radio to radio is 84Mb. Now the interesting > issue, > > both radios are plugged in to MT 493AH 4.11 OS. Running MT > Bandwidth > > test from MT to MT TCP speeds are horrible. 14 Mb Dn and 6 Mb > Upload. > > We tried all kinds of tests finally realized (after the climber > was on > > the ground and in my office) that if I do a speed test from the > > PowerBridge station to a Rocket plugged into the same Mikrotik > that I > > get 14 Mb x 6 Mb through a 100% wired connection (UBNT to > Port-2 MT, > > Port-6 to UBNT Rocket) We had tried different ports to no avail > and I > > test from MT AP thru MT 493AH to 2^nd MT AP and I got 50 Mb x 50Mb. > > Then I realized that 2 hops across the wireless link I had a > > NanoBridge. A test to that across the wireless side of the link > gave me > > a 30 Mb x 35Mb. So it come down to a single PowerBridge radio that > > either has a bad ethernet port or a bad POE/cable between the > UBNT and > > MT, or some kind of incompatibility between the MT and > PowerBridge. All > > ports are set to 100Mb FDX not Auto negotiate. This MT 493AH is > > relatively new with Gig option. When running speed test there > are no > > ethernet errors or packet errors on the MT. > > > > What else can I check from the ground. Unit is 250 ft up and > requires a > > climber I don’t have daily access to. > > > > Will the PowerBridge 5M work with 12-15 Volt. I know it wants > 24VDC I > > don’t currently have that on this tower but had no issue with > others on > > different towers at 12 V > > > > Steve Barnes > > > > RC-WiFi Wireless Internet Service > > > > > > > > > > > > > > -------------------------------------------------------------------------------- > > WISPA Wants You! 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