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pthunya
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Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Thu May 23, 2024 8:20 am

I'm Implement 3 sites each site have 5units of CAP ax and got same experience. When my customers connected to 5GHz the WIFI get connected but didn't get IP neither traffic passthrough ethernet while 2.4GHz work just find

I've 1 bridge with ether,wifi1 and wifi2 as member port. Problem happened no matter I'm set up config as individual AP or controlled with CAPsMAN.

Any solution? please.

Thank you.
 
erlinden
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Thu May 23, 2024 9:30 am

What RouterOS version are you running?
Can you share the (relevant part of the) config?
 
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pthunya
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 9:40 am

Thank you,

Cap AX using RouterOS7.14.1, some upgraded to RouterOS7.14.3 and nothing different for this issue.

this is a the configuration, only get problem on client connected wifi1 interface.
/interface bridge
add name=Guest
/interface vlan
add interface=ether1 name=50-Management vlan-id=50
add interface=ether1 name=e1v60 vlan-id=60
/interface wifi datapath
add bridge=Guest disabled=no name=datapath1
/interface wifi security
add authentication-types=wpa-psk,wpa2-psk disabled=no encryption=ccmp name=sec1 passphrase=xxxxxxxx
/interface wifi
set [ find default-name=wifi1 ] channel.band=5ghz-ac .skip-dfs-channels=all .width=20/40mhz configuration.country=Thailand .mode=ap .ssid=Guest \
    datapath=datapath1 disabled=no security=sec1
set [ find default-name=wifi2 ] channel.band=2ghz-n .width=20mhz configuration.country=Thailand .mode=ap .ssid=GSC_Guest_2.4GHz datapath=datapath1 \
    disabled=no security=sec1
    
add bridge=Guest interface=e1v60

/interface wifi access-list
add action=accept disabled=no signal-range=-76..120
add action=reject disabled=no signal-range=-120..-77

/ip dhcp-client
add interface=50-Management
 
holvoetn
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 9:51 am

As a certified Mikrotik trainer you should know in those cases a FULL config export is needed (minus passwd, serial, ...).
Not only the parts you _think_ are needed because you're leaving out parts which may be relevant.

E.g. where is wifi1 connected to a bridge ?
Are there multiple bridges ? (not recommended)
How's the complete VLAN config ?
 
erlinden
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 9:58 am

Can't explain why 2.4GHz is actually working. And why this config is working at all...

Sure this config is complete?
I would expect:
  • ether1 part of the bridge
  • wifi interfaces part of the bridge
  • VLAN filtering on the bridge
Can you make a network diagram of how you want it to work? I.e. is eth1 supposed to be a trunk or a hybrid port?

At last: wpa-psk (that must be required by the customer!?).

Stop being faster, @holvoetn
 
infabo
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 10:01 am

Not related to the issue, but: you limited your wifi to 5ghz-ac and 2ghz-n. On a CAP AX you should use 5ghz-ax and 2ghz-ax.
 
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pthunya
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 3:08 pm

As a certified Mikrotik trainer you should know in those cases a FULL config export is needed (minus passwd, serial, ...).
Not only the parts you _think_ are needed because you're leaving out parts which may be relevant.

E.g. where is wifi1 connected to a bridge ?
Are there multiple bridges ? (not recommended)
How's the complete VLAN config ?
  • wifi1 and wifi2 are dynamic connected to bridge through datapath as show in highlighted attach image but it's doesn't matter because even we put it manually to a bridge the result is not different.
  • there is a single bridge call "Guest"
  • there're two VLANs, VLAN 60 for Guest network and VLAN 50 for Network Management
It's just simply AP other config just for ip dhcp-client, ntp and disable ip serivces, this is the whole exported for this AP :)
# 2024-05-24 13:08:11 by RouterOS 7.14.1
# software id = xxxxxxx
#
# model = cAPGi-5HaxD2HaxD
# serial number = xxxxxxx
/interface bridge
add name=Guest
/interface vlan
add interface=ether1 name=50-Management vlan-id=50
add interface=ether1 name=e1v60 vlan-id=60
/interface wifi datapath
add bridge=Guest disabled=no name=datapath1
/interface wifi security
add authentication-types=wpa-psk,wpa2-psk disabled=no encryption=ccmp name=sec1 passphrase=xxxxxxxx
/interface wifi
set [ find default-name=wifi1 ] channel.band=5ghz-ac .skip-dfs-channels=all .width=20/40mhz configuration.country=Thailand .mode=ap .ssid=GSC_Guest \
    datapath=datapath1 disabled=no security=sec1
set [ find default-name=wifi2 ] channel.band=2ghz-n .width=20mhz configuration.country=Thailand .mode=ap .ssid=GSC_Guest_2.4GHz datapath=datapath1 \
    disabled=no security=sec1
/system logging action
set 0 memory-lines=5000
set 1 disk-lines-per-file=5000
/interface bridge port
add bridge=Guest interface=e1v60
/ipv6 settings
set disable-ipv6=yes
/interface wifi access-list
add action=accept disabled=no signal-range=-76..120
add action=reject disabled=no signal-range=-120..-77
/ip cloud
set ddns-enabled=yes update-time=no
/ip dhcp-client
add interface=50-Management
/ip service
set telnet disabled=yes
set ftp disabled=yes
set www port=81
set api disabled=yes
set api-ssl disabled=yes
/system clock
set time-zone-name=Asia/Bangkok
/system identity
set name=3rdFloor
/system note
set show-at-login=no
/system ntp client
set enabled=yes
/system ntp client servers
add address=ntp.ku.ac.th
add address=th.pool.ntp.org
/tool bandwidth-server
set enabled=no
/tool graphing interface
add
/tool graphing queue
add
/tool graphing resource
add
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pthunya
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 3:35 pm

Can't explain why 2.4GHz is actually working. And why this config is working at all...

Sure this config is complete?
I would expect:
  • ether1 part of the bridge
  • wifi interfaces part of the bridge
  • VLAN filtering on the bridge
Can you make a network diagram of how you want it to work? I.e. is eth1 supposed to be a trunk or a hybrid port?

At last: wpa-psk (that must be required by the customer!?).

Stop being faster, @holvoetn
answer the question :)
  • ether1 not a part of bridge because we dont' want this AP work with untagged traffic
  • there is new way on new RouterOS wifi configuration by specific bridge to "datapath" and apply to configuration then wifi will dynamic add to bridge it self as attached image.
  • this configuration use interface VLAN as you see in this code
    /interface vlan
    add interface=ether1 name=e1v60 vlan-id=60
    (not bridge filter VLAN) so it does not need to turn on Bridge VLAN filter

but as you see wifi1 and wifi2 already in the "Guest" bridge but traffic of wifi1 not passthrough ethernet but wifi2 just fine as usually.
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Last edited by pthunya on Fri May 24, 2024 3:52 pm, edited 2 times in total.
 
whatever
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 3:40 pm

I've seen hap ax2 5GHz becoming unusable with ROS 7.13.5. I think this might be related to certain guest devices being present.
Hasn't happened yet since I updated the device to 7.15rc3, maybe the wifi-qcom driver update improved things?
Last edited by whatever on Fri May 24, 2024 3:44 pm, edited 1 time in total.
 
ips
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 3:43 pm

Have you tried adding the vlan-id to the datapath?
 
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pthunya
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 3:49 pm

I've seen hap ax2 5GHz becoming unusable with ROS 7.13.5. I think this might be related to certain guest devices being present.
Hasn't happened yet since I updated the device to 7.15rc3, maybe the wifi-qcom driver update improved things?
I'll try to downgrade to something below 7.13.5 or try 7.15rc3, Thank you. :)
 
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pthunya
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 3:51 pm

Have you tried adding the vlan-id to the datapath?
I'll try, just wonder why it doesn't work only with wifi1 (5ghz) interface because clients connected to wifi2 (2.4ghz) are work like charm. ^_^
 
ips
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 24, 2024 3:52 pm

I agree. But it is so simple that's worth trying.
 
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pthunya
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Re: Anyone experience CAP ax 5GHz traffic not go anywhere, but 2.4GHz just fine?

Fri May 31, 2024 12:31 pm

Have you tried adding the vlan-id to the datapath?
Problem Solved by put VLAN-ID to Datapath, Thank you very much. ^_^
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