O OTBR registra um serviço _meshcop._udp chamado OpenThread BorderRouter. Esse
serviço é configurado no arquivo CMakeLists.txt do OTBR.
Há várias maneiras de descobrir a rede Thread.
Descoberta de serviços DNS (DNS-SD)
Use dns-sd para procurar instâncias de serviço do tipo _meshcop._udp.:
dns-sd -B _meshcop._udp local
Browsing for _meshcop._udp.local DATE: ---Tue 16 Nov 2021--- 13:31:03.197 ...STARTING... Timestamp A/R Flags if Domain Service Type Instance Name 13:31:03.198 Add 2 6 local. _meshcop._udp. OpenThread BorderRouter (#3991)
Use dns-sd para resolver a instância de serviço:
dns-sd -L "OpenThread BorderRouter (#3991)" _meshcop._udp local
Lookup OpenThread BorderRouter #(3991)._meshcop._udp.local DATE: ---Tue 16 Nov 2021--- 13:33:05.197 ...STARTING... 13:33:05.350 OpenThread\032BorderRouter\032(#3991)._meshcop._udp.local. can be reached at raspberrypi.local.:49155 (interface 3)
Use dns-sd para resolver o nome do host:
dns-sd -G v4/v6 raspberrypi.local
DATE: ---Tue 16 Nov 2021--- 14:21:29.485 ...STARTING... Timestamp A/R Flags if Hostname Address TTL 14:21:29.486 Add 3 3 raspberrypi.local. FDDE:AD11:11DE:0000:74D0:6FC9:6BE6:3582%<0> 120 14:21:29.486 Add 3 3 raspberrypi.local. FD00:0000:0000:0000:74D0:6FC9:6BE6:3582%<0> 120 14:21:29.486 Add 3 3 raspberrypi.local. FE80:0000:0000:0000:74D0:6FC9:6BE6:3582%eth0 120 14:21:29.486 Add 3 3 raspberrypi.local. FE80:0000:0000:0000:287F:87CA:F4B3:498A%eth0 120 14:21:29.486 Add 2 3 raspberrypi.local. 192.168.0.10 120
Dê um ping no seu endereço IP. Nos resultados de dns-sd, escolha um endereço que possa ser acessado na sua rede, por exemplo, o endereço <0> global FD00::74D0:6FC9:6BE6:3582:
ping -6 FD00::74D0:6FC9:6BE6:3582
PING FD00::74D0:6FC9:6BE6:3582(fd00::74d0:6fc9:6be6:3582) 56 data bytes 64 bytes from fd00::74d0:6fc9:6be6:3582: icmp_seq=1 ttl=64 time=27.1 ms 64 bytes from fd00::74d0:6fc9:6be6:3582: icmp_seq=2 ttl=64 time=3.18 ms 64 bytes from fd00::74d0:6fc9:6be6:3582: icmp_seq=3 ttl=64 time=2.76 ms
Serviços públicos de Avahi
Instale avahi-daemon e avahi-utils:
sudo apt-get install -y avahi-daemon avahi-utils
Inicie o avahi-daemon:
sudo service avahi-daemon start
Use avahi-browse:
avahi-browse -r -t _meshcop._udp
+ eth0 IPv6 OpenThread BorderRouter (#3991) _meshcop._udp local = eth0 IPv6 OpenThread BorderRouter (#3991) _meshcop._udp local hostname = [raspberrypi.local] address = [192.168.0.10] port = [49155] txt = []
Apps de mDNS
Pesquise apps de descoberta de mDNS no Google Play, por exemplo:
- Navegador de serviços para Android
- Descoberta - Navegador DNS-SD para iOS