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matteusabc85
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Mikrotik AX PTP Netmetal AX

Mon Dec 23, 2024 3:58 pm

Hello everyone. I have a 21km ptp with a Netmetal ax and a Basebox Ax. I have a problem with high latency and packet loss while get some traffic. Can anyone help me to solve this?Image
ping with no traffic
Image
packet loss, high latency while doing a bandwidth test
/interface bridge
add admin-mac=F4:1E:57:01:57:F7 auto-mac=no comment=defconf name=bridge
/interface wifi
set [ find default-name=wifi1 ] channel.band=2ghz-ax .skip-dfs-channels=\
    10min-cac .width=20/40mhz configuration.mode=ap .ssid=MikroTik-0157F9 \
    security.authentication-types=wpa2-psk,wpa3-psk .ft=yes .ft-over-ds=yes
set [ find default-name=wifi2 ] channel.band=5ghz-ax .frequency=5620 \
    .skip-dfs-channels=disabled .width=20/40mhz configuration.antenna-gain=30 \
    .country=Superchannel .distance=22 .manager=local .mode=ap .ssid=\
    PTP-RCH-JEFF .station-roaming=no .tx-power=17 disabled=no mtu=1500 \
    security.authentication-types=wpa3-psk .ft=yes .ft-over-ds=yes
Wireless configurantion. Using only the 5ghz radio.
 
itimo01
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Re: Mikrotik AX PTP Netmetal AX

Mon Dec 23, 2024 4:26 pm

Why do you have FT turned on for a PTP link?

Not sure if that changes anything, but seems unnecessary
 
MulderSk
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Re: Mikrotik AX PTP Netmetal AX

Mon Dec 23, 2024 10:53 pm

I have the same problem, but only on connections over 3 km. Connections up to 3 km are fine. Try to set the limit to 20 Mbit on BT, or will the line also drop out. I sent the supout file to Mikrotik, they replied that I should manually set the MAC address for the bridge, of course that didn't help
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MulderSk
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Re: Mikrotik AX PTP Netmetal AX

Tue Dec 24, 2024 3:03 am

So the problem is also on connections up to 3 km, I tested it longer now and the connection is missing. They are backup connections, so I didn't test it for so long.
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Re: Mikrotik AX PTP Netmetal AX

Tue Dec 24, 2024 11:23 am

Check setting of property configuration.distance. Here's description:

distance ()

Maximum link distance in kilometers, needs to be set for long-range outdoor links. The value should reflect the distance to the AP or station that is furthest from the device. Unconfigured value allows usage of 2 km links.

Warnings: distance is not used by the wifi-qcom-ac package. Setting distance above the actual needed value can have detrimental effects on throughput and latency.
 
igorr29
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Re: Mikrotik AX PTP Netmetal AX

Tue Dec 24, 2024 12:39 pm

this is using 160mhz channel? or 80mhz? for such a long link , and being used for backup, maybe better to use only 40mhz.
how did you set the frequency, and which frequency is it?
 
MulderSk
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Re: Mikrotik AX PTP Netmetal AX

Tue Dec 24, 2024 2:25 pm

I have 4 links of different distances from 2km to 8km, let me set any band width 20Mhz 40Mhz distance in km doesn't help anything with BT Upload it just drop is there someone who doesn't seem to have a connection drop during BT upload ?
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Re: Mikrotik AX PTP Netmetal AX

Tue Dec 24, 2024 3:51 pm

Looking at ping responses is mostly useless. If link is fully utilized, then those pings will get queued and seemingly dropped ... in reality they will likely get around but with round trip delay larger than 1s (which is usual timeout value), responses will be ignored by ping application. Try to run ping with interval=2s or even longer (property value can be up to 5s).

One-way congestion in wifi is much worse in this respect than e.g. ethernet because wifi is half duplex and congestion in one direction very much affects traffic in other direction. With AX, AMPDU sizes are larger than in previous incarnations (at least in Mikrotik universe) and that in turn makes this problem even more prominent.
 
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Re: Mikrotik AX PTP Netmetal AX

Tue Dec 24, 2024 10:56 pm

not only does the ping drop, but the connection is also interrupted
 
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Re: Mikrotik AX PTP Netmetal AX

Tue Dec 24, 2024 11:58 pm

not only does the ping drop, but the connection is also interrupted
Which connection? The wireless link? Winbox management connection?
 
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Re: Mikrotik AX PTP Netmetal AX

Wed Dec 25, 2024 12:25 am

the connection between the transmitter and the receiver, it can be seen in the picture BT bandwidth test
 
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Re: Mikrotik AX PTP Netmetal AX

Wed Dec 25, 2024 3:07 am

Set proper country, remove tx gain and set proper antenna gain. Do freq. scan to understand environment and set the cleanest ch. Also distance parameter have to be set on both link ends.

Also would be nice to see both configs and actual logs. Do turn on wifi debug whit:
/system logging
add topics=wireless,debug
Update to latest rc ROS.
 
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Re: Mikrotik AX PTP Netmetal AX

Wed Dec 25, 2024 12:24 pm

So I removed the Max Tx power and it connects without errors, without drop packet, is it possible that the Max Tx power would have an effect? but the Line keeps making mistakes at 8km, I'm going to test it
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maigonis
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Re: Mikrotik AX PTP Netmetal AX

Wed Dec 25, 2024 11:28 pm

So I removed the Max Tx power and it connects without errors, without drop packet, is it possible that the Max Tx power would have an effect? but the Line keeps making mistakes at 8km, I'm going to test it
Good to see improvements, but your 5ghz band is crowded, so better use 20-40mhz wide channels and choose the most clean one. Continue to monitor link quality, pay attention to modulations.
 
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Re: Mikrotik AX PTP Netmetal AX

Thu Dec 26, 2024 4:10 am

On the 3km line, the connection drops out even at night when the frequency is not disturbed. The 2km line where there were dropouts at night, and I thought that turning off the Tx Power helped. Today, during the frequency disturbance, the connection also dropped out, so I don't know what's causing it. Because when I put a blocked channel, the speed decreased and the ping increased, but the connection did not appear.
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matteusabc85
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Re: Mikrotik AX PTP Netmetal AX

Fri Dec 27, 2024 4:00 pm

Check setting of property configuration.distance. Here's description:

distance ()

Maximum link distance in kilometers, needs to be set for long-range outdoor links. The value should reflect the distance to the AP or station that is furthest from the device. Unconfigured value allows usage of 2 km links.

Warnings: distance is not used by the wifi-qcom-ac package. Setting distance above the actual needed value can have detrimental effects on throughput and latency.
The distance is setted for 22km, check the first photo in the first message.
 
matteusabc85
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Re: Mikrotik AX PTP Netmetal AX

Fri Dec 27, 2024 4:02 pm

this is using 160mhz channel? or 80mhz? for such a long link , and being used for backup, maybe better to use only 40mhz.
how did you set the frequency, and which frequency is it?
I am using 40mhz on the 5620 channel. It's the best channel that I found.
 
matteusabc85
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Re: Mikrotik AX PTP Netmetal AX

Fri Dec 27, 2024 4:07 pm

Looking at ping responses is mostly useless. If link is fully utilized, then those pings will get queued and seemingly dropped ... in reality they will likely get around but with round trip delay larger than 1s (which is usual timeout value), responses will be ignored by ping application. Try to run ping with interval=2s or even longer (property value can be up to 5s).

One-way congestion in wifi is much worse in this respect than e.g. ethernet because wifi is half duplex and congestion in one direction very much affects traffic in other direction. With AX, AMPDU sizes are larger than in previous incarnations (at least in Mikrotik universe) and that in turn makes this problem even more prominent.
I don't agree. I have a PTP with rocket ac and it hasn't packet loss while doing a bandwidth test.
Image
 
matteusabc85
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Re: Mikrotik AX PTP Netmetal AX

Fri Dec 27, 2024 4:55 pm

So I removed the Max Tx power and it connects without errors, without drop packet, is it possible that the Max Tx power would have an effect? but the Line keeps making mistakes at 8km, I'm going to test it
I did the same. Set default tx power and antenna gain, so i had a better latency, but a lower throughput. I used 40mhz and 5620 channel.
Image
 
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Re: Mikrotik AX PTP Netmetal AX

Fri Dec 27, 2024 4:58 pm

Check setting of property configuration.distance. Here's description:
The distance is setted for 22km, check the first photo in the first message.

This was replying to @MulderSK.

Looking at ping responses is mostly useless.
I don't agree.
You have every right to disagree. But so do I :wink: Did you try with longer interval setting of ping (as I suggested)?
Don't forget that running bandwidth test on AP / station them selves burden their CPUs at the time they require lots of CPU power to process wireless communication. And handling ICMP echo requests adds a bit to CPU requirements again.
And which wireless package are you running on your ac gear, legacy wireless or new wifi-qcom-ac? They are very distinct and your experience with legacy wireless doesn't help you much with new wifi drivers (neither configuration-wise nor performance wise).
 
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Re: Mikrotik AX PTP Netmetal AX

Fri Dec 27, 2024 5:26 pm



The distance is setted for 22km, check the first photo in the first message.

This was replying to @MulderSK.


I don't agree.
You have every right to disagree. But so do I :wink: Did you try with longer interval setting of ping (as I suggested)?
Don't forget that running bandwidth test on AP / station them selves burden their CPUs at the time they require lots of CPU power to process wireless communication. And handling ICMP echo requests adds a bit to CPU requirements again.
And which wireless package are you running on your ac gear, legacy wireless or new wifi-qcom-ac? They are very distinct and your experience with legacy wireless doesn't help you much with new wifi drivers (neither configuration-wise nor performance wise).
Image
Test did with routers beffore and after the ptp to save cpu usage. I get 150mbps throughput with 124ms avg latency and 6% packet loss
Wireless config: 40mhz, 5825 channel, 20dbm tx power, 22km distance, wifi-qcom 7.17rc3 package
Image
With a lower tx power I get a high throughput, but with a high latency and packet loss.
 
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Re: Mikrotik AX PTP Netmetal AX

Sat Dec 28, 2024 2:11 am

Hi.
Just looking briefly at this; at the top of my head ~-61 dB RSSI, your probably only good for ~400/400Mbit using 40MHz in perfect conditions( yes it might say something > 400MHz ), but once you add data I guarantee that's the beginning of your Eb/N0(https://en.wikipedia.org/wiki/Eb/N0) journey .( aka bit error rate)
You don't appear to show the Signal to Noise ratio which is the next biggest factor after signal strength, for each modulation mode( BPSK/QPSK/QAM/CODING-(e.g 3/4,5/8) , there will need to be a MINIMUM SNR to decode the specific at-point-in-time modulation mode.
For example ( rough figures, but plenty of literature on wifi SNR on google, or you can do the math ).

1. BPSK (Binary Phase Shift Keying)
Minimum SNR: ~ 6-8 dB
Used in: Very basic Wi-Fi standards like 802.11b at low data rates.

2. QPSK (Quadrature Phase Shift Keying)
Minimum SNR: ~ 8-12 dB
Used in: 802.11b/g at medium data rates, especially in noisy environments.

3. 16-QAM (16-Quadrature Amplitude Modulation)
Minimum SNR: ~ 15-20 dB
Used in: 802.11g/n/ac at medium-high data rates.

4. 64-QAM (64-Quadrature Amplitude Modulation) (say ~120-Mbit @ 40MHz, per chain )
Minimum SNR: ~ 20-25 dB
Used in: 802.11n/ac/ax at higher data rates, commonly used in modern Wi-Fi standards.

5. 256-QAM (256-Quadrature Amplitude Modulation) (say ~180-Mbit @ 40MHz, per chain )
Minimum SNR: ~ 25-30 dB
Used in: 802.11ac/ax for even higher data rates, found in very high-speed Wi-Fi (e.g., Wi-Fi 5/6).

6. 1024-QAM (1024-Quadrature Amplitude Modulation) (~333 Mbit @ 40MHz, per chain )
Minimum SNR: ~ 30-35 dB
Used in: 802.11ax (Wi-Fi 6), very high-speed environments with clear channels.


Now take your -61dBm signal and subtract say 25dB (Item 4 above, for lets say 120Mbit worth of single chain(vertical or horizontal RF!!)= -86dBM(yes the backwards math applies) will be the minimum gap to the noise floor below. So if you get your mikrotik's to check the noise floor, you had better hope its -86dBm or quieter eg > -100dBm.

Now then there is interference, which can be from radar, other RF users in your channel/spectrum, so if you get spikes that take that -86 to say -80, them bam, lost packets..., yes the radio's can dial down modulation, but its not a perfect science, and yes there is built in coding rates to help recover in flight errors, but all in all its a problem.

Anyhow, I' start at the start, and move to 20MHz channel width which will improve your dBHz density, and see if you can lower your modulation modes and start from there. I'd also start looking at using alternate frequencies in your testing( to see if its an external noise source )
MIKROTIK SIGNAL TO NOISE.png
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matteusabc85
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Re: Mikrotik AX PTP Netmetal AX

Sat Dec 28, 2024 2:32 am

Sem título.png
The noise floor its -98dbm and the signal its -60dbm (20dbm tx power, 22km link) at 5825 channel
If I get around 150mbps throughput and a low latency it will be great.
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Re: Mikrotik AX PTP Netmetal AX

Wed Jan 01, 2025 9:41 pm

Hello!
Happy New year.
Dear Normis and Mikrotik team.

I'm happy to announce that I've been able to faithfully serve clients for many years off a network of Mikrotik Access points - AC. Netmetals, QRT and the like, with Dynadishes and Discs or Netmetals at client locations.

It's worked faithfully for years.

I've been waiting patiently for the new line of products to come out. Not those that work with LTE as I don't operate there yet. Not those that work at short range, though I'm using those products. I'm talking about 802.11 AX or BE.

We need:

1. The higher modulation rates either standard offers.
2. We need a drop in solution that is identical to what has worked for years.
3. We need the information from the Experts @ Mikrotik to guide us on how to make the products work with each other, as it seems elusive.

I was able to make one HAP AX work across my yard to another HAPAX3. It created a bridge wireless and I was able to squeeze about 800 mbps out of an 80 mHz channel. There was some confuzzling on my part that occurred as it seems the new Wireless package with Qcom is well... finnicky.

So - We need to roll out products with an 800mbps to 2.5gbit capacity on the wireless and we want to use Mikrotik. Please HELP.

My tower crew replaced an AC Netmetal with an AX netmetal.
Then we went to a local client and installed a basebox AX with a mtik 30 dish.
There are no other clients on the sector. There is plenty of signal. I've literally spent 8 hours trying to get the settings into a place where the product will work and maintain a link. I've read forum posts. I've adjusted settings. I've narrowed frequency. I'm operating at the correct EIRP and the correct country. I'm colocated on a tower with no other providers. Signal is good but the link drops as soon as I send a ping. It links back up then drops, again and again. There is no information in the log as to what caused the issue. All of the encryption settings are ditto. I've failed my config back to nothing at all and tried as I might to make this work. I've upgraded to the latest V7. I've downgraded to V7.14. No luck. Nothing I can come up with in my little pea brain is working and I'm usually pretty good at this since I've spent most of my adult life doing so.

So please - From the bottom of my heart.... I want to buy more mikrotik products and I need to know EXACTLY how to make a simple 20KM link work for a PTP or AP to Client PTMP scenario with the new QCOM driver. Or please bring us back to some sort of workaround driver that will give us the kind of performance and reliability we need to continue to service rural clients and continue to purchase mikrotik equipment as I would prefer to stay within this ecosystem.

Very Kind regards, and many thanks to the multitude of folks who share their experiences, tricks, and tips.
Love, Andy.
 
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Re: Mikrotik AX PTP Netmetal AX

Fri Jan 03, 2025 11:49 pm

Hello Andy.
I had the same problem as you when I was setting my ptp. You need to set the distance on the configurantion tab.
But even with this setted I have the problem with the high latency while making a bandwidth test.
The mikrotik sell this netbox and netmetal ax as an outdoor device, but without any TDMA protocol it seens to be useless as outdoor PTP or PTMP.
I am disappointed and will go back to use the old netbox ac. Hope mikrotik fix it with a new AX driver soon.
 
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Re: Mikrotik AX PTP Netmetal AX

Mon Jan 06, 2025 8:18 pm


Hello Andy.
I had the same problem as you when I was setting my ptp. You need to set the distance on the configurantion tab.
But even with this setted I have the problem with the high latency while making a bandwidth test.
The mikrotik sell this netbox and netmetal ax as an outdoor device, but without any TDMA protocol it seens to be useless as outdoor PTP or PTMP.
I am disappointed and will go back to use the old netbox ac. Hope mikrotik fix it with a new AX driver soon.
Thanks Matt for the validation.
I left this window open, in the hopes that there would be a solution posted by someone else.
I'm going to try and upgrade to the latest beta firmware on each side again, and then set the Distance @ 50km.
I'm hoping that it will link up and stay connected.

Otherwise I need to go back to the AC equipment, or swap to another vendor's equipment we were testing that does do 1024 or 2048 QAM.
If Mtik support could weigh in on how to make a Netmetal to netmetal or netmetal to basebox link AX work @ 5-45KM as is please tell us the secret to the configuration.
 
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Re: Mikrotik AX PTP Netmetal AX

Mon Jan 06, 2025 10:20 pm

File a ticket with all your findings to support@mikrotik.com
The only way to get their attention.
They don't read all posts on this forum since this is a USER forum (users helping other users).
 
maigonis
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Re: Mikrotik AX PTP Netmetal AX

Mon Jan 06, 2025 11:18 pm



Hello Andy.
I had the same problem as you when I was setting my ptp. You need to set the distance on the configurantion tab.
But even with this setted I have the problem with the high latency while making a bandwidth test.
The mikrotik sell this netbox and netmetal ax as an outdoor device, but without any TDMA protocol it seens to be useless as outdoor PTP or PTMP.
I am disappointed and will go back to use the old netbox ac. Hope mikrotik fix it with a new AX driver soon.
Thanks Matt for the validation.
I left this window open, in the hopes that there would be a solution posted by someone else.
I'm going to try and upgrade to the latest beta firmware on each side again, and then set the Distance @ 50km.
I'm hoping that it will link up and stay connected.

Otherwise I need to go back to the AC equipment, or swap to another vendor's equipment we were testing that does do 1024 or 2048 QAM.
If Mtik support could weigh in on how to make a Netmetal to netmetal or netmetal to basebox link AX work @ 5-45KM as is please tell us the secret to the configuration.
At your case issue is range - current PTP outdoor devices are rated up to 30km links.
 
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Re: Mikrotik AX PTP Netmetal AX

Tue Jan 07, 2025 4:56 pm

File a ticket with all your findings to support@mikrotik.com
The only way to get their attention.
They don't read all posts on this forum since this is a USER forum (users helping other users).
I alredy send a email to they and didn't have any answer. My only hope was the users forum to find a solution.
 
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spippan
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Re: Mikrotik AX PTP Netmetal AX

Tue Jan 07, 2025 5:22 pm

📍 just reading along - hope to see a solution on that topic as well before i consider switching to AX PtP links
 
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Re: Mikrotik AX PTP Netmetal AX

Mon Jan 13, 2025 6:50 pm

Hello!
Happy New year.
Dear Normis and Mikrotik team.

I'm happy to announce that I've been able to faithfully serve clients for many years off a network of Mikrotik Access points - AC. Netmetals, QRT and the like, with Dynadishes and Discs or Netmetals at client locations.

It's worked faithfully for years.

I've been waiting patiently for the new line of products to come out. Not those that work with LTE as I don't operate there yet. Not those that work at short range, though I'm using those products. I'm talking about 802.11 AX or BE.

We need:

1. The higher modulation rates either standard offers.
2. We need a drop in solution that is identical to what has worked for years.
3. We need the information from the Experts @ Mikrotik to guide us on how to make the products work with each other, as it seems elusive.

I was able to make one HAP AX work across my yard to another HAPAX3. It created a bridge wireless and I was able to squeeze about 800 mbps out of an 80 mHz channel. There was some confuzzling on my part that occurred as it seems the new Wireless package with Qcom is well... finnicky.

So - We need to roll out products with an 800mbps to 2.5gbit capacity on the wireless and we want to use Mikrotik. Please HELP.

My tower crew replaced an AC Netmetal with an AX netmetal.
Then we went to a local client and installed a basebox AX with a mtik 30 dish.
There are no other clients on the sector. There is plenty of signal. I've literally spent 8 hours trying to get the settings into a place where the product will work and maintain a link. I've read forum posts. I've adjusted settings. I've narrowed frequency. I'm operating at the correct EIRP and the correct country. I'm colocated on a tower with no other providers. Signal is good but the link drops as soon as I send a ping. It links back up then drops, again and again. There is no information in the log as to what caused the issue. All of the encryption settings are ditto. I've failed my config back to nothing at all and tried as I might to make this work. I've upgraded to the latest V7. I've downgraded to V7.14. No luck. Nothing I can come up with in my little pea brain is working and I'm usually pretty good at this since I've spent most of my adult life doing so.

So please - From the bottom of my heart.... I want to buy more mikrotik products and I need to know EXACTLY how to make a simple 20KM link work for a PTP or AP to Client PTMP scenario with the new QCOM driver. Or please bring us back to some sort of workaround driver that will give us the kind of performance and reliability we need to continue to service rural clients and continue to purchase mikrotik equipment as I would prefer to stay within this ecosystem.

Very Kind regards, and many thanks to the multitude of folks who share their experiences, tricks, and tips.
Love, Andy.


"Yes, I agree with this person. You discontinued the DynaDish, which was a perfect product, and also the Mantbox 15s, which was also a perfect product. We bought the NetBox AX, and I have been trying to set it up for days, but I am facing issues with DFS. Please bring back the SuperChannel feature in the AX configuration so that it can operate like AC, with normal distances of up to 20 km or even more. I have been using MikroTik for years and don't want to switch to UBNT because it's more expensive, and your product is excellent. In Serbia, I also have good support and sales."
 
matteusabc85
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Re: Mikrotik AX PTP Netmetal AX

Tue Jan 14, 2025 3:01 am

Hello!
Happy New year.
Dear Normis and Mikrotik team.

I'm happy to announce that I've been able to faithfully serve clients for many years off a network of Mikrotik Access points - AC. Netmetals, QRT and the like, with Dynadishes and Discs or Netmetals at client locations.

It's worked faithfully for years.

I've been waiting patiently for the new line of products to come out. Not those that work with LTE as I don't operate there yet. Not those that work at short range, though I'm using those products. I'm talking about 802.11 AX or BE.

We need:

1. The higher modulation rates either standard offers.
2. We need a drop in solution that is identical to what has worked for years.
3. We need the information from the Experts @ Mikrotik to guide us on how to make the products work with each other, as it seems elusive.

I was able to make one HAP AX work across my yard to another HAPAX3. It created a bridge wireless and I was able to squeeze about 800 mbps out of an 80 mHz channel. There was some confuzzling on my part that occurred as it seems the new Wireless package with Qcom is well... finnicky.

So - We need to roll out products with an 800mbps to 2.5gbit capacity on the wireless and we want to use Mikrotik. Please HELP.

My tower crew replaced an AC Netmetal with an AX netmetal.
Then we went to a local client and installed a basebox AX with a mtik 30 dish.
There are no other clients on the sector. There is plenty of signal. I've literally spent 8 hours trying to get the settings into a place where the product will work and maintain a link. I've read forum posts. I've adjusted settings. I've narrowed frequency. I'm operating at the correct EIRP and the correct country. I'm colocated on a tower with no other providers. Signal is good but the link drops as soon as I send a ping. It links back up then drops, again and again. There is no information in the log as to what caused the issue. All of the encryption settings are ditto. I've failed my config back to nothing at all and tried as I might to make this work. I've upgraded to the latest V7. I've downgraded to V7.14. No luck. Nothing I can come up with in my little pea brain is working and I'm usually pretty good at this since I've spent most of my adult life doing so.

So please - From the bottom of my heart.... I want to buy more mikrotik products and I need to know EXACTLY how to make a simple 20KM link work for a PTP or AP to Client PTMP scenario with the new QCOM driver. Or please bring us back to some sort of workaround driver that will give us the kind of performance and reliability we need to continue to service rural clients and continue to purchase mikrotik equipment as I would prefer to stay within this ecosystem.

Very Kind regards, and many thanks to the multitude of folks who share their experiences, tricks, and tips.
Love, Andy.


"Yes, I agree with this person. You discontinued the DynaDish, which was a perfect product, and also the Mantbox 15s, which was also a perfect product. We bought the NetBox AX, and I have been trying to set it up for days, but I am facing issues with DFS. Please bring back the SuperChannel feature in the AX configuration so that it can operate like AC, with normal distances of up to 20 km or even more. I have been using MikroTik for years and don't want to switch to UBNT because it's more expensive, and your product is excellent. In Serbia, I also have good support and sales."
Superchannel is already back, just update to the testing ROS version, like the 7.17rc7, so you can acess all the avaible channels and set the tx power you want. But I've tested with all avaible channels and 15 to 28dbm tx power and the latency problem persists. I went back to using the old netbox ac until the mikrotik team answer the email or launch a new software fix to the AX line.
 
igorr29
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Re: Mikrotik AX PTP Netmetal AX

Wed Jan 15, 2025 11:28 am

please show us that you can set any frequency.
i upgraded to latest version, select superchannel and get error NO AVAILABLE CHANNELS.
 
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andyhenckel
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Re: Mikrotik AX PTP Netmetal AX

Wed Jan 15, 2025 7:36 pm

We are trying on a 24 mile link. it's outside the 30 KM range, and the distance setting is pointless if there is a cap.

So, try as we might... we may have to use other products or go back to the old AC equipment. No longer can we use Mtik Qcom radios with long range links.
Sad. I can use other MFG with long range links, but this must be an inferior radio. I know we all like short range stuff too, but we want to do long links. 30Km isn't that far when I've had stable 50 mile links that are backups to other licensed links, which work at long range too.

Please mikrotik. I know someone reads this forum. At least reply back and tell us that we are screwed rather than having to test.
Or - Just message Qcom and tell them we need their stuff to accept longer distance and higher latency. Please make it work.
 
matteusabc85
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Re: Mikrotik AX PTP Netmetal AX

Thu Jan 16, 2025 2:08 pm

please show us that you can set any frequency.
i upgraded to latest version, select superchannel and get error NO AVAILABLE CHANNELS.
List of channels that you can use with superchannel and 20/40mhz on AX devices
You do not have the required permissions to view the files attached to this post.
 
igorr29
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Re: Mikrotik AX PTP Netmetal AX

Thu Jan 16, 2025 3:45 pm

this is nothing. those are normal wifi channels that are available almost everywhere.
superchannel means any frequency which the chip supports. 5000-6000mhz would be expected, as an/ac chips could do 4900-6200mhz.
most of my links are in 5340-5500 and 5000-5150 too. i had one at 5900ceee prior removing it.
 
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mjoksimovic
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Re: Mikrotik AX PTP Netmetal AX

Fri Jan 17, 2025 12:23 am

This is called "superchannel"? :D :D :D
One more disappointement from MikroTik.
With this complete AX product line, MikroTik just said NO for further serious and user-friendly products. No real superchannel support and with all these issues they have, whole AX product line lost market value in terms of further use. For us with thousands of customers and hundreds of towers with MikroTik, we already begun with migrating to other vendors like Mimosa, Cambium and Ubiquiti. No hard feelings but, we were forced to do so.

Thanks until now and bye from now.
 
igorr29
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Re: Mikrotik AX PTP Netmetal AX

Fri Jan 17, 2025 8:23 am

the only positive thing from this ax fiasco is a whole bunch of used mikrotik stuff being sold for little money. i can already get sxt 5 for 15eur. not top quality / speed but for 100mbit is enough.
also pricing of ax gear is completely wrong, as it's the same price as competition. ubiquiti ltu-lr is same price as a mantbox ax and actually cheaper than mikrotik ax board + case + antenna.

pity.

the only reason for ax would be high capacity links at 160mhz. which don't work because of no superchannel. there's also no nv2 which is the only way to use a link in noisy environment.
 
matteusabc85
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Re: Mikrotik AX PTP Netmetal AX

Sat Jan 18, 2025 4:52 pm

the only positive thing from this ax fiasco is a whole bunch of used mikrotik stuff being sold for little money. i can already get sxt 5 for 15eur. not top quality / speed but for 100mbit is enough.
also pricing of ax gear is completely wrong, as it's the same price as competition. ubiquiti ltu-lr is same price as a mantbox ax and actually cheaper than mikrotik ax board + case + antenna.

pity.

the only reason for ax would be high capacity links at 160mhz. which don't work because of no superchannel. there's also no nv2 which is the only way to use a link in noisy environment.
Maybe my problem with packet loss and high latency on netmetal ax is the lack of the nv2. I used it in a noisy environment, there is others PTP near the netmetal ax
 
meconiotronic
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Re: Mikrotik AX PTP Netmetal AX

Tue Feb 18, 2025 6:26 pm

For some of our clients, we replaced a few point-to-point links with the new MikroTik NetBox AX using the qcom driver, and I couldn’t believe what I discovered—no support for TDMA protocols! The links barely hold together under ideal conditions, but they drop even with minimal traffic. In our tests, we were unable to make them work reliably, even over short distances.

Not only did this cause issues with our customers, but now we’re forced to go back, reinstall the old links, or find alternative solutions to meet our service standards.

Given the current state of 5GHz congestion and interference, I genuinely don’t understand why MikroTik decided to remove NV2 support. It severely impacts performance in real-world scenarios.

I really hope my supplier allows us to return these devices, because in our deployments, they did not meet expectations.

If MikroTik wants to focus solely on routing, they are free to do so, but launching a product like this without clearly informing consumers of such critical limitations is highly concerning.