Wireless Networking • strange behaviour of RBSXTsq2nD

[admin@MikroTik] > /interface/wireless/print Flags: X - disabled; R - running  0  R name="wlan1" mtu=1500 l2mtu=1600 mac-address=2C:C8:1B:6C:95:8D arp=enabled       interface-type=Atheros AR9300 mode=station ssid="Onetwelve_2.4G"       frequency=2457 band=2ghz-b/g/n channel-width=20/40mhz-eC       secondary-frequency="" scan-list=default wireless-protocol=any       vlan-mode=no-tag vlan-id=1 wds-mode=disabled wds-default-bridge=none       wds-ignore-ssid=no bridge-mode=enabled default-authentication=yes       default-forwarding=yes default-ap-tx-limit=0 default-client-tx-limit=0       hide-ssid=no security-profile=default compression=no 

[admin@MikroTik] > /interface/wireless/monitor wlan1 once                 status: connected-to-ess                 channel: 2457/20/gn(10dBm)      wireless-protocol: 802.11                           tx-rate: 6.5Mbps-20MHz/1S                 rx-rate: 2Mbps                               ssid: Onetwelve_2.4G                     bssid: F4:2D:06:57:89:47        signal-strength: -60dBm               signal-strength-ch0: -67dBm               signal-strength-ch1: -62dBm                       noise-floor: -100dBm                  signal-to-noise: 40dB                              tx-ccq: 15%                         p-throughput: 3755                      overall-tx-ccq: 15%                authenticated-clients: 1                       current-distance: 1                                last-ip: 192.168.1.1          802.1x-port-enabled: yes                  authentication-type: wpa2-psk                      encryption: aes-ccm                 group-encryption: aes-ccm            management-protection: no                           wmm-enabled: yes                    current-tx-powers: 1Mbps:7(7/10)                             2Mbps:7(7/10)                             5.5Mbps:7(7/10)                           11Mbps:7(7/10)                            6Mbps:7(7/10)                             9Mbps:7(7/10)                             12Mbps:7(7/10)                            18Mbps:7(7/10)                            24Mbps:7(7/10)                            36Mbps:7(7/10)                            48Mbps:7(7/10)                            54Mbps:7(7/10)                            HT20-0:7(7/10)                            HT20-1:7(7/10)                            HT20-2:7(7/10)                            HT20-3:7(7/10)                            HT20-4:7(7/10)                            HT20-5:7(7/10)                            HT20-6:7(7/10)                            HT20-7:7(7/10)       notify-external-fdb: no               

[admin@MikroTik] > /ip/dhcp-client/print terse 0 interface=bridge1 add-default-route=yes default-route-distance=1 default-route-tables=default use-peer-dns=yes use-peer-ntp=yes dhcp-options=hostname,clientid status=bound address=192.168.1.250/24 gateway=192.168.1.1 dhcp-server=192.168.1.1 primary-dns=192.168.1.1 expires-after=23h52m36s

[admin@MikroTik] > /ip/arp/print Flags: D - DYNAMIC; C - COMPLETEColumns: ADDRESS, MAC-ADDRESS, INTERFACE, STATUS#    ADDRESS       MAC-ADDRESS        INTERFACE  STATUS   0 D  192.168.1.1                      bridge1    failed   1 DC 192.168.1.25  CC:2D:E0:56:CB:18  bridge1    reachable