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ste
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Re: LHG 60G experience

Tue Jul 24, 2018 11:53 am

ROs v.6.42.6 , link up with low rain and wind 28 kts.

Notice no Tx-sector info in master device using winbox window, I must use monitor via terminal.
If I tryed to center the devices , RSSI value increses. I have a good RSSI without center the devices.

Please show the other side.
 
server8
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Re: LHG 60G experience

Wed Jul 25, 2018 10:31 am

Hi guys

what version of firmware is ok for LHG60? I 'm not sure but with 6.42.6 the RSSI level is worst than 6.42.5 and I read on the forum that 6.42.4 is better than 6.42.5

Any advice?

Thank you
 
MonkeyDan
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Re: LHG 60G experience

Wed Jul 25, 2018 6:42 pm

We’re sticking with 6.42.3. We never tried 6.42.4 before we tried 6.42.5 and .6, but .4 should be OK as the only w60g change was “improved RAM memoy allocation processes”
 
russman
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Re: LHG 60G experience

Thu Jul 26, 2018 9:54 pm

Something weird I noticed: It stopped raining since around 30 mins and suddenly the LHG60 link dropped to MCS 1 even with a good RSSI (-55 dBm):
frequency: 64800
mcs: 1
phy-rate: 385.0Mbps
signal: 20
rssi: -55
tx-sector: 41
tx-sector-info: left 1 degrees, up 0.6 degrees
rx-sector: 96
distance: 1166.37m

The link stayed like that until I passed some heavy traffic through it and then it when back to more normal values:
mcs: 8
phy-rate: 2.3Gbps
signal: 80
rssi: -55
tx-sector: 47
tx-sector-info: right 1.4 degrees, up 0.6 degrees
rx-sector: 96
distance: 1166.36m

No idea what is causing that...
I'm seeing this as well in 6.42.6 with no rain and full LOS. I'm not sure why on first boot and install the MCS, signal, and phy-rate is pretty stable but over time it jumps around for no apparent reason.
 
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cohprog
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Re: LHG 60G experience

Sat Jul 28, 2018 10:47 am

Distance: 1166.37m
Frequency: 64800
RSSI without rain: -56

Just had a thunderstorm: lost the connection 5-6 times in 20 minutes.
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FezzFest
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Re: LHG 60G experience

Sat Jul 28, 2018 11:00 pm

We have a 1.2km link with LHG 60G's, properly aligned, with signal around -68dB. Link drops immediately with the slightest rain. Since we're using BFD and have a 5GHz link as a backup it's not an issue, but I wonder where the signal difference with some others (e.g. @cohprog) in this topic comes from. It seems most people have signals in the -50's at the same distance.
       connected: yes
       frequency: 64800
  remote-address: 04:D6:AA:BC:98:29
             mcs: 8
        phy-rate: 2.3Gbps
          signal: 80
            rssi: -68
       tx-sector: 20
  tx-sector-info: right 0.2 degrees, down 0.6 degrees
       rx-sector: 96
        distance: 1188.2m
        
       connected: yes
       frequency: 64800
  remote-address: 04:D6:AA:BC:98:75
             mcs: 8
        phy-rate: 2.3Gbps
          signal: 80
            rssi: -66
       tx-sector: 44
  tx-sector-info: right 0.2 degrees, up 0.6 degrees
       rx-sector: 96
        distance: 1188.21m
 
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cohprog
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Re: LHG 60G experience

Sun Jul 29, 2018 1:00 am

Did you aligned based on the tx sector info or the rssi? Imho, result is better when using rssi. The sector info randomly vary from "center" to +/- 2 degree in my case. With the wAP60, it's a lot worse: over 50m, the sector info vary by +/- 20 degree or so.
 
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Re: LHG 60G experience

Sun Jul 29, 2018 2:12 pm

I am running on 6.42.6, frequency is set to auto. Disconnects are too often - 230x for 4 days uptime is insane... Distance about 340m.
Clear LoS, no rain for 4 days... any idea what else should I check?
 
venthyl
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Re: LHG 60G experience

Sun Jul 29, 2018 6:16 pm

1950 meters link


rrssi sta/ap / chanel

-63/-64 chanel 58g
-68/-68 chanel 60g
-68/-66 chanel 62g
-58/-57 chanel 64g

Heavy Rain comparision lgh60 1950m (58ghz), lhg60 650m (auto), siae 17g, airfiber 24g
deszcze.PNG
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venthyl
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Re: LHG 60G experience

Sun Jul 29, 2018 6:37 pm

LHG 60 left/right alligment tool :)

size of clamping is 90-110 cm

It helps a lot

remember correct alligment requre
- set 58ghz (not auto)
- do bandwith test UDP 500Mbit symmetric between two lHG 60
- monitor via terminal interface w60g monitor interval=1s numbers=0
on both sides
- you should have same rssi on both side (eg 1950meter link has ~~ -62 rssi on 58Ghz and -57 on 64Ghz)

RSSI is only one real information to correct link alligment

differrent link rssi to frequency on 1950m link
-63/-64 chanel 58g
-68/-68 chanel 60g
-68/-66 chanel 62g
-58/-57 chanel 64g


And its my simple clever helper to left/right allign ( its fu... u... in original mounting)

IMG_20180718_143506.PNG
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venthyl
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Re: LHG 60G experience

Sun Jul 29, 2018 6:54 pm

I am running on 6.42.6, frequency is set to auto. Disconnects are too often - 230x for 4 days uptime is insane... Distance about 340m.
Clear LoS, no rain for 4 days... any idea what else should I check?
Hi you should make correct alligment,
i had same problem on 1950m., after correct alligment link works stable
 
server8
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Re: LHG 60G experience

Sun Jul 29, 2018 8:06 pm

 
FezzFest
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Re: LHG 60G experience

Mon Jul 30, 2018 3:42 am

Did you aligned based on the tx sector info or the rssi? Imho, result is better when using rssi. The sector info randomly vary from "center" to +/- 2 degree in my case. With the wAP60, it's a lot worse: over 50m, the sector info vary by +/- 20 degree or so.
We aligned it based on tx-sector-info (more specifically, one device was aligned by the LEDs indicators on the device, the other was aligned from the terminal because the LEDs drove me crazy).
 
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cohprog
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Re: LHG 60G experience

Mon Jul 30, 2018 11:03 am

We aligned it based on tx-sector-info (more specifically, one device was aligned by the LEDs indicators on the device, the other was aligned from the terminal because the LEDs drove me crazy).

Try to align based on the RSSI. You should be able to get a much better signal.
 
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Re: LHG 60G experience

Mon Jul 30, 2018 12:40 pm

we are having loads of disconnects. Up and down constantly signal is solid at -53.

If we load 6.43rc5 no disconnects at all.

All the newer versions constant disconnects. Any ideas on how to solve this?

We are currently on 6.43rc45
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server8
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Re: LHG 60G experience

Mon Jul 30, 2018 12:46 pm

Try 6.42.4 seems to be stable
 
mstead
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Re: LHG 60G experience

Thu Aug 02, 2018 8:43 am

we are having loads of disconnects. Up and down constantly signal is solid at -53.

If we load 6.43rc5 no disconnects at all.

All the newer versions constant disconnects. Any ideas on how to solve this?

We are currently on 6.43rc45
Same here. 6.43rc40 and 6.43rc44 both have constant disconnects on links that are definitely not overlimit - one is only 25 metres!!
 
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macgaiver
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Re: LHG 60G experience

Thu Aug 02, 2018 6:40 pm

FYI 6.43rc51:

*) w60g - added distance measurement feature;
*) w60g - fixed random disconnects;
*) w60g - improved MCS rate detection process;
*) w60g - improved MTU change handling;
*) w60g - properly close connection with station on disconnect;
With great knowledge comes great responsibility, because of ability to recognize id... incompetent people much faster.
 
MonkeyDan
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Re: LHG 60G experience

Fri Aug 03, 2018 10:34 pm

rc51 seems OK (so far) for point-to-point. Still seeing a lot of disconnects on multipoint. :(
6.42.3 continues to be my favorite firmware for these radios.
FYI 6.43rc51:

*) w60g - added distance measurement feature;
*) w60g - fixed random disconnects;
*) w60g - improved MCS rate detection process;
*) w60g - improved MTU change handling;
*) w60g - properly close connection with station on disconnect;
 
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Re: LHG 60G experience

Wed Aug 08, 2018 8:01 am

Greetings all! Couple of questions straight away:
How does LHG 60 act with interference? As soon as it was announced in the shops, I see them almost on every tower now (We have A LOT of competitors). Taking into account that it has 2Ghz bandwidth I can only imagine what is going to happen. And no one knows exact antenna pattern, how wide it is. If it is flashing all around, for sure it will affect link across op opposite or even...somewhere. Ok, it is well known that on this freq there is a lot of attenuation, but locally it may cause (or not?) problems.

Ok, we have siklu 60G band relays, and those guys all around started to mount LHGs, how they co-exist? Taking into account that they like to overpower radios, I am very worried that a 200 bucks toy can affect an expensive piece of hardware, which is a bint unfair first of all.

Anyways, I have ordered 3 pairs of them, because it is sure a good value for the money to replace or backup overloaded 5Ghz links, but still..To me it seems like I bomb in monkeys hands.
 
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cohprog
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Re: LHG 60G experience

Wed Aug 08, 2018 10:05 pm

60Ghz signal drop very fast with distance because it's absorbed by oxygen so even links that are very near to each others don't interfere much. I didn't try with LHG60 but I didn't had any problem running 2 Metrolinq back to back on the same channel (and they don't have gps synch).
 
tramker
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Re: LHG 60G experience

Tue Aug 14, 2018 4:11 pm

v6.42.3 is indeed much more stable than 6.42.6. I had fluctuating signal quality and MCS and many 8s linkdows. With 6.42.3 the signal quality is stable 80-95, MCS mosty 8, and only one 1s linkdown a day. Link length 386m.
 
sergesa
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Re: LHG 60G experience

Tue Aug 14, 2018 6:23 pm

Nice work, thanks Mikrotik, update from RC51 to RC56
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Re: LHG 60G experience

Sat Aug 18, 2018 3:57 pm

Is this the distance record?
Link is working perfect! I am hitting 1gbps on Ethernet interface with iperf!
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estar
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Re: LHG 60G experience

Sat Aug 18, 2018 5:22 pm

Testing a point to multipoint setup. 4 clients all under 240 meters. Speed is great but disconnections are very often. In my experience if one link has poor signal -70dbm and it disconnects it caused all the other stations to disconnect just after the poor signal station disconnects. This behaviour is repeatable. I think once MT can perfect the software it will be very good but right now seems a little unstable.
E-star.uk - presents:

Star-charge - Cloud based user self-service billing system - including self-service secure WPA2 hotspot - Signup and try instantly - Made for Mikrotik OS.

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gcsuri
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Re: LHG 60G experience

Sat Aug 18, 2018 6:43 pm

Hi,

connected: yes
frequency: 58320
remote-address: 04:D6:AA:A7:MN:S7
mcs: 8
phy-rate: 2.3Gbps
signal: 80
rssi: -60
tx-sector: 22
tx-sector-info: right 1 degrees, down 0.6 degrees
distance: 539.35m

with rc56 random disconnections gone.
 
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Re: LHG 60G experience

Tue Aug 21, 2018 12:33 pm

Hi

I can also confirm random disconnects have gone in RC56 thanks guys. Here is our link it drops out instantly in heavy rain :( yet our MetroLinq 2.5 of same distance carry's on working fine.

connected: yes
frequency: 64800
remote-address: 04:D6:AA:AF:D5:0E
mcs: 8
phy-rate: 2.3Gbps
signal: 80
rssi: -55
tx-sector: 36
tx-sector-info: center
distance: 1088.42m
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ste
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Re: LHG 60G experience

Tue Aug 21, 2018 3:00 pm

Hi

I can also confirm random disconnects have gone in RC56 thanks guys. Here is our link it drops out instantly in heavy rain :( yet our MetroLinq 2.5 of same distance carry's on working fine.

connected: yes
frequency: 64800
remote-address: 04:D6:AA:AF:D5:0E
mcs: 8
phy-rate: 2.3Gbps
signal: 80
rssi: -55
tx-sector: 36
tx-sector-info: center
distance: 1088.42m
Sure the ML is within allowed EIRP ...
 
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cohprog
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Re: LHG 60G experience

Tue Aug 21, 2018 11:50 pm

Sure the ML is within allowed EIRP ...
The Metrolinq has certification.
 
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Re: LHG 60G experience

Wed Aug 22, 2018 7:49 am

Testing a point to multipoint setup. 4 clients all under 240 meters. Speed is great but disconnections are very often. In my experience if one link has poor signal -70dbm and it disconnects it caused all the other stations to disconnect just after the poor signal station disconnects. This behaviour is repeatable. I think once MT can perfect the software it will be very good but right now seems a little unstable.
We have the same setup with several PTMP tests, clients all under 200m:
- when one client reboots or loses a connection, all clients drop connection for a few seconds
- latency / jitter doubles every time a client is added
- RC56 has not made much of a difference
We also have several PTP test links under 1000m:
- RC56 seems to have helped a lot with random disconnects
- Struggling to get good RSSI reading which also seems worse after upgrading firmware
- Still dropping in heavy rain

We found that the installation location is more important than one would assume on a building or roof (was expecting the narrow beam pattern to do the work)
 
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Re: LHG 60G experience

Thu Aug 23, 2018 1:25 pm

as my experience when rain is started its always going down , Pls looking and support





Hope to have soon a feedback in a rainy day :-)
Rain rain rain.. We need more real live testing. But.. Todays situation about 40-45mm/h link was down for 4 minutes going from -56 to -70 in few seconds. The wet antenna takes -4dB!! Link length 1300m.
The link nearby with WAP for 400m was doing well all the time loosing approxiamtely 1-2 on RSSI scale looding from -66 to -68, and already working as before the rain. LHG is 15 minutes after rain still -59 and once dry has to come up to -56.
 
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Re: LHG 60G experience

Thu Aug 23, 2018 3:20 pm

We have a 1.2km link with LHG 60G's, properly aligned, with signal around -68dB. Link drops immediately with the slightest rain. Since we're using BFD and have a 5GHz link as a backup it's not an issue, but I wonder where the signal difference with some others (e.g. @cohprog) in this topic comes from. It seems most people have signals in the -50's at the same distance.
       connected: yes
       frequency: 64800
  remote-address: 04:D6:AA:BC:98:29
             mcs: 8
        phy-rate: 2.3Gbps
          signal: 80
            rssi: -68
       tx-sector: 20
  tx-sector-info: right 0.2 degrees, down 0.6 degrees
       rx-sector: 96
        distance: 1188.2m
        
       connected: yes
       frequency: 64800
  remote-address: 04:D6:AA:BC:98:75
             mcs: 8
        phy-rate: 2.3Gbps
          signal: 80
            rssi: -66
       tx-sector: 44
  tx-sector-info: right 0.2 degrees, up 0.6 degrees
       rx-sector: 96
        distance: 1188.21m
Hi, How did you configure the 5ghz back up? Im hoping to do the same with a pair of powerboxes and a pair of powerbeams to back up the LHGs. Im not familiar with BFD.

Cheers,

GT
 
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Re: LHG 60G experience

Thu Aug 23, 2018 4:11 pm

We found that the installation location is more important than one would assume on a building or roof (was expecting the narrow beam pattern to do the work)
Multiple reflections can be a problem I guess.
 
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Re: LHG 60G experience - MAX DISTANCE?

Fri Aug 24, 2018 12:23 am

I've seen max distance specs on the products and testing for WAP60 to WAP60 and LHG to LHG, but what about WAP60 to LHG 60? I assume that would cut the 1500m limit down to what, 1000m?
 
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slarner
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Re: LHG 60G experience - MAX DISTANCE?

Fri Aug 24, 2018 1:18 am

With rain fade I wouldn’t go any more than 800m on the LHG to LHG

Our 1000m is dead as soon as you get a downpour
I've seen max distance specs on the products and testing for WAP60 to WAP60 and LHG to LHG, but what about WAP60 to LHG 60? I assume that would cut the 1500m limit down to what, 1000m?
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DynStatic
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Re: LHG 60G experience

Tue Aug 28, 2018 5:42 pm

Distance: 1166.37m
Frequency: 64800
RSSI without rain: -56

Just had a thunderstorm: lost the connection 5-6 times in 20 minutes.
cohprog,

What monitoring software is that?
 
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Re: LHG 60G experience

Tue Aug 28, 2018 5:43 pm

1950 meters link


rrssi sta/ap / chanel

-63/-64 chanel 58g
-68/-68 chanel 60g
-68/-66 chanel 62g
-58/-57 chanel 64g

Heavy Rain comparision lgh60 1950m (58ghz), lhg60 650m (auto), siae 17g, airfiber 24g

deszcze.PNG
venthyl ,
What monitoring software is that?
 
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Re: LHG 60G experience

Tue Aug 28, 2018 6:11 pm

1950 meters link


rrssi sta/ap / chanel

-63/-64 chanel 58g
-68/-68 chanel 60g
-68/-66 chanel 62g
-58/-57 chanel 64g

Heavy Rain comparision lgh60 1950m (58ghz), lhg60 650m (auto), siae 17g, airfiber 24g

deszcze.PNG
venthyl ,
What monitoring software is that?
So looks like channel 64g is best in the rain?
 
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Re: LHG 60G experience

Tue Aug 28, 2018 6:39 pm

We have found that if you lock the tx-sector using the cli and do the alignment, once you unlock the tx sector, the rssi gets better by 2-5 db. Not sure if it would get there without this procedure tho. Since there are 64 sectors, we lock it to the middle. We don't bother with the arrows, we look at rssi only.

The problem we have is the feedback loop is to long. When you make an adjustment, the rssi won't update for seconds. I assume this is because the chipset is evaluating all the sectors rx signal. If we could lock the tx and rx for alignment mode and have more frequent rssi updates it would help to get a proper alignment. In my opinion the process should start with aligning the radios for dead center with locked tx/rx. Once it's dialed in then turn on the beam forming.
 
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Re: LHG 60G experience

Tue Aug 28, 2018 9:23 pm

Me also lost a lot of time trying to get my 2,2km link working. Info from cli and winbox is very slow. From time to time i had to wait for 15-20 seconds for information to settle down. Hope that we will get some more precise alignment tool. I hope that 802.11ad don't end up like spectral scan on 802.11ac.

BR...
 
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Re: LHG 60G experience

Tue Aug 28, 2018 9:28 pm

Me also lost a lot of time trying to get my 2,2km link working. Info from cli and winbox is very slow. From time to time i had to wait for 15-20 seconds for information to settle down. Hope that we will get some more precise alignment tool. I hope that 802.11ad don't end up like spectral scan on 802.11ac.

BR...
Did you set channel to 64800?
 
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Re: LHG 60G experience

Tue Aug 28, 2018 9:29 pm

Yes. Other channels don't work on such a long distance.
 
mistry7
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Re: LHG 60G experience

Tue Aug 28, 2018 9:37 pm

Yes. Other channels don't work on such a long distance.
Right.....

I hope for some more features in 802.11ad

- Smaller channel width

But the hope is gone almost for 802.11ac
 
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Re: LHG 60G experience

Wed Aug 29, 2018 1:15 am

cohprog,

What monitoring software is that?

Zabbix. There is no pre-made template for LHG60 but it's easy to do one. (there is a script that will do a snmpwalk and generate a Zabbix template based on it)
 
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Re: LHG 60G experience

Wed Aug 29, 2018 9:56 am

We have found that if you lock the tx-sector using the cli and do the alignment, once you unlock the tx sector, the rssi gets better by 2-5 db. Not sure if it would get there without this procedure tho. Since there are 64 sectors, we lock it to the middle. We don't bother with the arrows, we look at rssi only.
6.42.7 and 6.43rc64 have very important enhancements to the tx-sector selection.

I have been following the betas and the stability has improved a lot since rc56.
 
yurisokol
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Re: LHG 60G experience

Wed Aug 29, 2018 4:23 pm

The original bracket is not convenient for smooth adjustment. I use this one : http://www.cdr.pl/p6418,uchwyt-precyzyj ... adkit.html but with the addition tool from Metrolinq.

Image
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wispwest
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Re: LHG 60G experience

Wed Aug 29, 2018 7:10 pm

Is the new channel still only available in CLI or did they finally add it to winbox in the latest RC?
 
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Re: LHG 60G experience

Wed Aug 29, 2018 7:41 pm

Is the new channel still only available in CLI or did they finally add it to winbox in the latest RC?
You can choose 4 channels in winbox
 
Lakis
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Re: LHG 60G experience

Thu Aug 30, 2018 11:22 pm

I am running on 6.42.6, frequency is set to auto. Disconnects are too often - 230x for 4 days uptime is insane... Distance about 340m.
Clear LoS, no rain for 4 days... any idea what else should I check?
Hi you should make correct alligment,
i had same problem on 1950m., after correct alligment link works stable
Nice dude 1950m stable link good news, I've done 1560m link works very stable, I was sceptic about 1750m but now I m going for it.
 
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Re: LHG 60G experience

Mon Sep 17, 2018 4:44 pm

1750m LHG60 ROS 6.43
lhg60 1750m.png
Freq:
58320 -59
60480 -63
62640 -62
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