OTBR registers a _meshcop._udp
service named OpenThread BorderRouter
. This
service is configured in the OTBR CMakeLists.txt file.
There are several ways to discover your Thread network.
DNS Service Discovery (DNS-SD)
Use dns-sd
to browse for a service on raspberrypi.local.:49155
:
dns-sd -L "OpenThread BorderRouter" _meshcop._udp local
Lookup OpenThread BorderRouter._meshcop._udp.local DATE: ---Tue 16 Nov 2021--- 13:31:03.197 ...STARTING... 13:31:03.350 OpenThread\032BorderRouter._meshcop._udp.local. can be reached at raspberrypi.local.:49155 (interface 3)
Get the IP addresses associated with your OTBR domain name:
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
Ping your IP address. From the dns-sd
results, choose an address that's
reachable from your network, for example the global <0>
address
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
Avahi utilities
Install avahi-daemon
and avahi-utils
:
sudo apt-get install -y avahi-daemon avahi-utils
Start the avahi-daemon
:
sudo service avahi-daemon start
Use avahi-browse
:
avahi-browse -r -t _meshcop._udp
+ eth0 IPv6 OpenThread BorderRouter _meshcop._udp local = eth0 IPv6 OpenThread BorderRouter _meshcop._udp local hostname = [raspberrypi.local] address = [192.168.0.10] port = [49155] txt = []
mDNS apps
Search Google Play for mDNS discovery apps, for example:
- Service Browser for Android
- Discovery - DNS-SD Browser for iOS