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dk42
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Posts: 10
Joined: Sun Aug 15, 2021 6:44 pm

mysterious hidden ssid with capsman

Thu Sep 02, 2021 9:56 pm

Hi,
i'm at the very beginning with mikrotik hard- and software, stumbled upon a situation i can't explain and kindly ask you to have a look and help me to understand.
As a first step i integrated a CRS318-16P in my existing network, have CapsMan running on it wich is provisioning 3 Accesspoints (2 CAP ac, 1 wsAP AC lite), providing 3 SSID. Everything is up and running, coverage and speed ist supreme and handover between the AP better than ever.

But besides my 3 SSID i see 1 <hidden SSID> on the 5GHz Band on each AP which i can't explain. Why is this SSID up? Is this a Problem or a Feature?
my configuration:
# sep/02/2021 20:39:12 by RouterOS 6.47.10
# software id = RLEG-R3D1
#
# model = CRS318-16P-2S+
# serial number =xxxxxxxxxxxx
/caps-man channel
add band=2ghz-b/g/n control-channel-width=20mhz extension-channel=disabled \
    frequency=2412 name=channel1
add band=2ghz-b/g/n control-channel-width=20mhz extension-channel=disabled \
    frequency=2437 name=channel6
add band=2ghz-b/g/n control-channel-width=20mhz extension-channel=disabled \
    frequency=2462 name=channel11
/caps-man configuration
add channel.band=2ghz-g/n channel.control-channel-width=20mhz \
    channel.extension-channel=disabled channel.frequency=2412,2437,2462 \
    channel.reselect-interval=1h channel.tx-power=0 country=germany \
    datapath.local-forwarding=no installation=indoor name=\
    "Capsman 2.4Ghz Channel" rates.basic=12Mbps rates.supported=\
    12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps security.disable-pmkid=yes
add channel.band=5ghz-n/ac channel.control-channel-width=20mhz \
    channel.extension-channel=XX channel.frequency=\
    5180,5200,5220,5240,5745,5765,5785,5805,5825 country=germany \
    datapath.local-forwarding=no installation=indoor name=\
    "Capsman 5Ghz Channel" rates.basic=12Mbps rates.ht-basic-mcs="" \
    rates.ht-supported-mcs="" rates.supported=\
    12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps security.disable-pmkid=yes
/interface bridge
add name=bridge1
/interface ethernet
set [ find default-name=ether14 ] auto-negotiation=no poe-out=off \
    rx-flow-control=auto tx-flow-control=auto
/caps-man configuration
add datapath.bridge=bridge1 datapath.local-forwarding=yes name=K2 \
    security.authentication-types=wpa2-psk security.encryption="" ssid=K2
add channel.tx-power=7 datapath.bridge=bridge1 datapath.local-forwarding=yes \
    name=K2tech security.authentication-types=wpa2-psk ssid=K2tech
add datapath.bridge=bridge1 datapath.local-forwarding=yes name=LU12 \
    security.authentication-types=wpa2-psk ssid=LU12
/interface list
add name=WAN
add name=LAN
/interface wireless security-profiles
set [ find default=yes ] supplicant-identity=MikroTik
/ip hotspot profile
set [ find default=yes ] html-directory=flash/hotspot
/caps-man access-list
add action=accept allow-signal-out-of-range=10s disabled=no interface=all \
    signal-range=-84..120 ssid-regexp=""
add action=reject allow-signal-out-of-range=10s disabled=no interface=all \
    signal-range=-120..-85 ssid-regexp=""
/caps-man manager
set enabled=yes
/caps-man manager interface
set [ find default=yes ] forbid=yes
add disabled=no interface=bridge1
/caps-man provisioning
add action=create-dynamic-enabled hw-supported-modes=g,gn \
    master-configuration="Capsman 2.4Ghz Channel" name-format=prefix-identity \
    name-prefix=2.4GHz slave-configurations=K2,K2tech,LU12
add action=create-dynamic-enabled hw-supported-modes=ac,an \
    master-configuration="Capsman 5Ghz Channel" name-format=prefix-identity \
    name-prefix=5GHz slave-configurations=K2,K2tech,LU12
/interface bridge filter
add action=drop chain=input dst-port=68 in-interface=ether1 ip-protocol=udp \
    mac-protocol=ip
/interface bridge port
add bridge=bridge1 interface=sfp-sfpplus1
add bridge=bridge1 interface=ether1
add bridge=bridge1 interface=ether2
add bridge=bridge1 interface=ether3
add bridge=bridge1 interface=ether4
add bridge=bridge1 interface=ether5
add bridge=bridge1 interface=ether6
add bridge=bridge1 interface=ether7
add bridge=bridge1 interface=ether8
add bridge=bridge1 interface=ether9
add bridge=bridge1 interface=ether10
add bridge=bridge1 interface=ether11
add bridge=bridge1 interface=ether12
add bridge=bridge1 interface=ether13
add bridge=bridge1 interface=ether14
add bridge=bridge1 interface=ether15
add bridge=bridge1 interface=ether16
add bridge=bridge1 interface=sfp-sfpplus2
/ip neighbor discovery-settings
set discover-interface-list=all
/interface detect-internet
set detect-interface-list=all
/interface list member
add interface=ether2 list=LAN
add interface=ether3 list=LAN
add interface=ether4 list=LAN
add interface=ether5 list=LAN
add interface=ether6 list=LAN
add interface=ether7 list=LAN
add interface=ether8 list=LAN
add interface=ether9 list=LAN
add interface=ether10 list=LAN
add interface=ether11 list=LAN
add interface=ether12 list=LAN
add interface=ether13 list=LAN
add interface=ether14 list=LAN
add interface=ether15 list=LAN
add interface=ether16 list=LAN
add interface=sfp-sfpplus2 list=LAN
add interface=ether1 list=WAN
add interface=sfp-sfpplus1 list=LAN
/ip dhcp-client
add disabled=no interface=bridge1
/ip dns
set servers=192.168.42.21
/ip firewall nat
add action=masquerade chain=srcnat ipsec-policy=out,none out-interface=\
    bridge1
/system clock
set time-zone-name=Europe/Berlin
/system identity
set name=MikroTikSwitch
/system package update
set channel=long-term
/system routerboard settings
set boot-os=router-os
Any hints?
 
dk42
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Topic Author
Posts: 10
Joined: Sun Aug 15, 2021 6:44 pm

Re: mysterious hidden ssid with capsman

Sun Sep 05, 2021 6:37 pm

follow up:

i found a reproducible way to get rid of that <hidden ssid>.
In CAPSman i have 2 configurations for setting the 2.4/5GHz Channels. Read that in an tutorial.
I set these as master-configurations, and the actual ssid as slave configurations.
Image

As soon as i create a brandnew configuration with the ssid-configurations only the <hidden ssid> disappers.

So i have to alter my question:
Is there a better way do define 2.4/5GHz Channels with multiple SSID?
 
User avatar
mkx
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Posts: 11381
Joined: Thu Mar 03, 2016 10:23 pm

Re: mysterious hidden ssid with capsman  [SOLVED]

Sun Sep 05, 2021 6:42 pm

Master interface has to be up&running because it's the only configuration which has radio parameters (frequency, channel width, extended channels layout, other advanced parameters) defined. Usually one assigns one of SSIDs to master interface ...
 
dk42
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Topic Author
Posts: 10
Joined: Sun Aug 15, 2021 6:44 pm

Re: mysterious hidden ssid with capsman

Sun Sep 05, 2021 10:13 pm

thanks @mkx
now i understand, i mis-interpreted the concept.
steep learning curve… ;)

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