Wireless bridge problem

Good morning,
I have a Mikrotik Software 3.2 on x86 equipped with 3 R52H, and I would realize a single Access Point with 3 antennas at 2,4Ghz.
I thought that the best way was to declare a bridge interface to which associate all three antennas, but my problem is that two of the three bridge port go on disable state.

This is the configuration:

add admin-mac=00:0C:42:18:E2:53 ageing-time=5m arp=enabled auto-mac=no
comment=“” disabled=no forward-delay=15s max-message-age=20s mtu=1500
name=“xxxxx” priority=0x8000 protocol-mode=none
transmit-hold-count=6
/interface wireless
set 1 ack-timeout=dynamic adaptive-noise-immunity=yes allow-sharedkey=no
antenna-gain=0 antenna-mode=ant-a area=“” arp=enabled band=2.4ghz-b/g
basic-rates-a/g=6Mbps basic-rates-b=1Mbps burst-time=disabled comment=“”
compression=no country=no_country_set default-ap-tx-limit=0
default-authentication=yes default-client-tx-limit=0
default-forwarding=yes dfs-mode=none disable-running-check=no disabled=no
disconnect-timeout=3s frame-lifetime=0 frequency=2442
frequency-mode=manual-txpower hide-ssid=no hw-retries=4
mac-address=00:0C:42:18:E2:4C max-station-count=2007 mode=ap-bridge
mtu=1500 name=“Antenna Sud-Ovest” noise-floor-threshold=default
on-fail-retry-time=100ms periodic-calibration=default
periodic-calibration-interval=60 preamble-mode=both
proprietary-extensions=post-2.9.25 radio-name=“000C4218E24C”
rate-set=default scan-list=default security-profile=default ssid=“Wish”
station-bridge-clone-mac=00:00:00:00:00:00
supported-rates-a/g=6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps
supported-rates-b=1Mbps,2Mbps,5.5Mbps,11Mbps tx-power-mode=default
update-stats-interval=disabled wds-cost-range=50-150
wds-default-bridge=none wds-default-cost=100 wds-ignore-ssid=no
wds-mode=static wmm-support=disabled
set 2 ack-timeout=dynamic adaptive-noise-immunity=yes allow-sharedkey=no
antenna-gain=0 antenna-mode=ant-a area=“” arp=enabled band=2.4ghz-b/g
basic-rates-a/g=6Mbps basic-rates-b=1Mbps burst-time=disabled comment=“”
compression=no country=no_country_set default-ap-tx-limit=0
default-authentication=yes default-client-tx-limit=0
default-forwarding=yes dfs-mode=none disable-running-check=no disabled=no
disconnect-timeout=3s frame-lifetime=0 frequency=2442
frequency-mode=manual-txpower hide-ssid=no hw-retries=7
mac-address=00:0C:42:18:E2:53 max-station-count=2007 mode=ap-bridge
mtu=1500 name=“Antenna Sud” noise-floor-threshold=default
on-fail-retry-time=100ms periodic-calibration=default
periodic-calibration-interval=60 preamble-mode=both
proprietary-extensions=post-2.9.25 radio-name=“000C4218E253”
rate-set=default scan-list=default security-profile=default ssid=“Wish”
station-bridge-clone-mac=00:00:00:00:00:00
supported-rates-a/g=6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps
supported-rates-b=1Mbps,2Mbps,5.5Mbps,11Mbps tx-power-mode=default
update-stats-interval=disabled wds-cost-range=50-150
wds-default-bridge=none wds-default-cost=100 wds-ignore-ssid=no
wds-mode=disabled wmm-support=disabled
set 3 ack-timeout=dynamic adaptive-noise-immunity=yes allow-sharedkey=no
antenna-gain=0 antenna-mode=ant-a area=“” arp=enabled band=2.4ghz-b/g
basic-rates-a/g=6Mbps basic-rates-b=1Mbps burst-time=disabled comment=“”
compression=no country=no_country_set default-ap-tx-limit=0
default-authentication=yes default-client-tx-limit=0
default-forwarding=yes dfs-mode=none disable-running-check=no disabled=no
disconnect-timeout=3s frame-lifetime=0 frequency=2442
frequency-mode=manual-txpower hide-ssid=no hw-retries=4
mac-address=00:0C:42:18:E1:94 max-station-count=2007 mode=ap-bridge
mtu=1500 name=“Antenna Sud-Est” noise-floor-threshold=default
on-fail-retry-time=100ms periodic-calibration=default
periodic-calibration-interval=60 preamble-mode=both
proprietary-extensions=post-2.9.25 radio-name=“000C4218E194”
rate-set=default scan-list=default security-profile=default ssid=“Wish”
station-bridge-clone-mac=00:00:00:00:00:00
supported-rates-a/g=6Mbps,9Mbps,12Mbps,18Mbps,24Mbps,36Mbps,48Mbps,54Mbps
supported-rates-b=1Mbps,2Mbps,5.5Mbps,11Mbps tx-power-mode=default
update-stats-interval=disabled wds-cost-range=50-150
wds-default-bridge=none wds-default-cost=100 wds-ignore-ssid=no
wds-mode=disabled wmm-support=disabled

Question:

  1. is this the correct design?
  2. is this the correct configuration?
  3. using the same frequencies for all antennas is there any interferences that could degrade the signal?

Best Regards,
Alessio
bridge problem.JPG

Hi alessio-
Try associating a client with your two new radios. The bridge ports should go active.

Dear
nothing worng with u’r gonfiguration
in 3.x the wireless interface dosn’t go forwording where is no associated clients.