I have Mikrotik 750 / 750G, with Multiple Rocket M5 for a typical POP..

I am not getting any packet loss, when doing pings from the MK to Rocket 
M5, with the timeout changed to 100.

Regards.

Faisal Imtiaz
Snappy Internet & Telecom


On 9/11/2010 8:52 PM, Chuck Hogg wrote:
> Rick:
>
> Since I know you have MikroTik in your network, do you have any that
> have a Rocket plugged into them?  If you do, open up Winbox, go to
> tools, Ping.  Change the timeout to 100, and ping your rocket.  Do you
> have any lost packets?  We're seeing 2-7% packet loss.  Are you using
> 100mbit?  Through the air, everything is fine.  I'm getting good speeds,
> but when it goes through the Rocket, and onto the AP, I'm seeing lots of
> packet loss.
>
> Regards,
>
> Chuck
>
>
> On Fri, Sep 10, 2010 at 10:22 PM, RickG <rgunder...@gmail.com
> <mailto:rgunder...@gmail.com>> wrote:
>
>     Here is my interface stats:
>     XM.v5.2# ifconfig
>     ath0      Link encap:Ethernet  HWaddr 00:15:6D:18:1B:97
>                UP BROADCAST RUNNING PROMISC ALLMULTI MULTICAST  MTU:1500
>       Metric:1
>                RX packets:1704984 errors:0 dropped:0 overruns:0 frame:0
>                TX packets:2180287 errors:0 dropped:813 overruns:0 carrier:0
>                collisions:0 txqueuelen:200
>                RX bytes:430972687 (411.0 MiB)  TX bytes:2053965333 (1.9 GiB)
>
>     br0       Link encap:Ethernet  HWaddr 00:15:6D:18:1B:97
>                inet addr:10.10.100.29  Bcast:10.10.100.255
>       Mask:255.255.255.0
>                UP BROADCAST RUNNING ALLMULTI MULTICAST  MTU:1500  Metric:1
>                RX packets:187903 errors:0 dropped:0 overruns:0 frame:0
>                TX packets:5865 errors:0 dropped:0 overruns:0 carrier:0
>                collisions:0 txqueuelen:0
>                RX bytes:18303057 (17.4 MiB)  TX bytes:566985 (553.6 KiB)
>
>     eth0_real Link encap:Ethernet  HWaddr 00:15:6D:19:1B:97
>                UP BROADCAST RUNNING PROMISC MULTICAST  MTU:1500  Metric:1
>                RX packets:2171167 errors:0 dropped:0 overruns:0 frame:0
>                TX packets:1704486 errors:0 dropped:0 overruns:0 carrier:0
>                collisions:0 txqueuelen:500
>                RX bytes:2053358505 (1.9 GiB)  TX bytes:431157904 (411.1 MiB)
>
>     eth1_real Link encap:Ethernet  HWaddr 02:15:6D:19:1B:97
>                UP BROADCAST PROMISC MULTICAST  MTU:1500  Metric:1
>                RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>                TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
>                collisions:0 txqueuelen:500
>                RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>
>     lo        Link encap:Local Loopback
>                inet addr:127.0.0.1  Mask:255.0.0.0
>                UP LOOPBACK RUNNING  MTU:16436  Metric:1
>                RX packets:1 errors:0 dropped:0 overruns:0 frame:0
>                TX packets:1 errors:0 dropped:0 overruns:0 carrier:0
>                collisions:0 txqueuelen:0
>                RX bytes:89 (89.0 B)  TX bytes:89 (89.0 B)
>
>     wifi0     Link encap:Ethernet  HWaddr 00:15:6D:18:1B:97
>                UP BROADCAST RUNNING MULTICAST  MTU:1500  Metric:1
>                RX packets:0 errors:0 dropped:0 overruns:0 frame:0
>                TX packets:0 errors:11 dropped:0 overruns:0 carrier:0
>                collisions:0 txqueuelen:511
>                RX bytes:0 (0.0 B)  TX bytes:0 (0.0 B)
>                Interrupt:48 Memory:b0000000-b0010000
>
>     XM.v5.2#
>
>
>     On Wed, Sep 8, 2010 at 3:04 PM, Chuck Hogg <ch...@shelbybb.com
>     <mailto:ch...@shelbybb.com>> wrote:
>
>         I'm just happy that I'm not the only one with this problem.
>
>         Regards,
>
>         Chuck
>
>
>
>         On Wed, Sep 8, 2010 at 11:41 AM, Steve Barnes <st...@pcswin.com
>         <mailto:st...@pcswin.com>> wrote:
>
>             Justin the power supply is outputting 15.3 Vdc as far as the
>             other MT on the tower see.
>
>             *Steve Barnes*
>
>             General Manager
>
>             PCS-WIN <http://www.pcswin.com/>
>
>             RC-WiFi Wireless Internet Service <http://www.rcwifi.com/>
>
>             *From:* wireless-boun...@wispa.org
>             <mailto:wireless-boun...@wispa.org>
>             [mailto:wireless-boun...@wispa.org
>             <mailto:wireless-boun...@wispa.org>] *On Behalf Of *Justin
>             Wilson
>             *Sent:* Wednesday, September 08, 2010 11:30 AM
>
>
>             *To:* WISPA General List
>             *Subject:* Re: [WISPA] PowerBridge 5M
>
>                 In our case we had a switch we put “inline” and that
>             made no difference.  I figured it might have been an issue
>             with the 493G board.  We used to see issues with Tranzeo and
>             450Gs so I figured it might be similar.  Putting the switch
>             in did not help.  Cable run is only about 20 feet.  It is
>             being powered by a 12 Volt power supply instead of 24.
>               Other devices on the tower are able to get good speeds to
>             the Mikortik.
>
>                  Some theories at the moment:
>
>                  1.When the radio transmits it draws enough power away
>             from the ethernet chipset to cause issues.
>                  2.The unit really does need 24volt (or higher than 12
>             at least)
>                  3.The Unit itself has an issue with the ethernet port.
>                  4.Mikrotik board has an issue.
>
>                  Justin
>             --
>             Justin Wilson <j...@mtin.net <http://j...@mtin.net>>
>             http://www.mtin.net/blog – xISP News
>             http://www.twitter.com/j2sw – Follow me on Twitter
>             Wisp Consulting – Tower Climbing – Network Support
>
>
>             
> ------------------------------------------------------------------------
>
>             *From: *Chuck Hogg <ch...@shelbybb.com
>             <http://ch...@shelbybb.com>>
>             *Reply-To: *WISPA General List <wireless@wispa.org
>             <http://wireless@wispa.org>>
>             *Date: *Wed, 8 Sep 2010 10:11:48 -0400
>             *To: *<fai...@snappydsl.net <http://fai...@snappydsl.net>>,
>             WISPA General List <wireless@wispa.org
>             <http://wireless@wispa.org>>
>             *Subject: *Re: [WISPA] PowerBridge 5M
>
>             I'm running AirOS V5.2.1-RC2 (which is the latest as of
>             yesterday)
>
>             It happened with the factory firmware and the RC1 as well.
>
>             The issue also occurs with my laptop running btest or any
>             type of ping flood.
>
>             I have 6 cat5 runs up one of the towers, Motorola works fine
>             and I have switched cables, different manufacturer as well.
>               Same issue.
>
>             When I use the air test from the UBNT device it works fine.
>               When I plug a laptop in on each side, I get the same results.
>
>             No bandwidth shaping.  Have tried multiple different devices
>             on each side, the only thing that works is an expensive
>             Managed Dell Switch.
>
>             Regards,
>
>             Chuck
>
>
>             On Tue, Sep 7, 2010 at 11:23 PM, Faisal Imtiaz
>             <fai...@snappydsl.net <http://fai...@snappydsl.net>> wrote:
>
>             Is it  possible to change and test to see if it the Radios's
>             or the
>             MK493ah that is root cause of this issue.
>
>             Also, do you get the same results when you run the test from
>             one side or
>             the other ?
>             Could you have some Bandwidth Shaping in place ?
>
>             do you have another Mikrotik eg. 750g that you could plug
>             int one side
>             to see if that makes a difference ?
>             (I have Rocket M5's working on MK750 & MK750g.. no issues...
>
>             Another suggestion to try is .. change the firmware to the
>             3x train on
>             the MK493ah board and see if you get the same results..
>
>             Got to narrow down further...
>
>             Do both sides of the link (I am assuming both sides have a
>             MK router ),
>             showing similar behavior between the Rocket & Mk Router ?
>
>             Just for kicks, you can update the firmware to 5.2.1 beta
>             3... (get it
>             from the UBNT Forum) and see if the results change.. if they
>             don' then
>             ... pretty sure it is not a radio side issue....
>
>
>             Faisal Imtiaz
>             Snappy Internet & Telecom
>
>
>             On 9/7/2010 10:50 PM, Steve Barnes wrote:
>             >  Set all to Auto Neg and no change
>             >  Here is SSH report
>             >  XM.v5.2# /bin/ifconfig
>             >  ath0      Link encap:Ethernet  HWaddr 00:15:6D:60:92:85
>             >             UP BROADCAST RUNNING PROMISC ALLMULTI MULTICAST
>               MTU:1500
>             >  Metric:1
>             >             RX packets:965042 errors:0 dropped:0 overruns:0
>             frame:0
>             >             TX packets:713224 errors:0 dropped:0 overruns:0
>             carrier:0
>             >             collisions:0 txqueuelen:200
>             >             RX bytes:1138023050 (1.0 GiB)  TX
>             bytes:100227281 (95.5 MiB)
>             >
>             >  br0       Link encap:Ethernet  HWaddr 00:15:6D:60:92:85
>             >             inet addr:10.10.2.179  Bcast:10.10.2.183
>               Mask:255.255.255.248
>             >             UP BROADCAST RUNNING ALLMULTI MULTICAST
>               MTU:1500  Metric:1
>             >             RX packets:7089 errors:0 dropped:0 overruns:0
>             frame:0
>             >             TX packets:7162 errors:0 dropped:0 overruns:0
>             carrier:0
>             >             collisions:0 txqueuelen:0
>             >             RX bytes:1499867 (1.4 MiB)  TX bytes:3939545
>             (3.7 MiB)
>             >
>             >  br0:0     Link encap:Ethernet  HWaddr 00:15:6D:60:92:85
>             >             inet addr:169.254.146.133  Bcast:169.254.255.255
>             >  Mask:255.255.0.0
>             >             UP BROADCAST RUNNING ALLMULTI MULTICAST
>               MTU:1500  Metric:1
>             >
>             >  eth0_real Link encap:Ethernet  HWaddr 00:15:6D:61:92:85
>             >             UP BROADCAST RUNNING PROMISC MULTICAST
>               MTU:1500  Metric:1
>             >             RX packets:708537 errors:0 dropped:0 overruns:0
>             frame:0
>             >             TX packets:959167 errors:0 dropped:0 overruns:0
>             carrier:0
>             >             collisions:0 txqueuelen:500
>             >             RX bytes:96555669 (92.0 MiB)  TX
>             bytes:1136564610 (1.0 GiB)
>             >
>             >  Steve Barnes
>             >  Manager
>             >  PCS-WIN
>             >  RC-WiFi Wireless Internet Service
>             >
>             >  > -----Original Message-----
>             >  > From: wireless-boun...@wispa.org
>             <http://wireless-boun...@wispa.org>
>             [mailto:wireless-boun...@wispa.org]
>             >  > On Behalf Of Faisal Imtiaz
>             >  > Sent: Tuesday, September 07, 2010 7:31 PM
>             >  > To: WISPA General List
>             >  > Subject: Re: [WISPA] PowerBridge 5M
>             >  >
>             >  > 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 <http://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
>             >  >>
>             >  >>
>             >  >>
>             >  >>
>             >  >>
>             >  >>
>             >
>             
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