Which mac address Openwisp picks up for registration?

[Deepesh Singh]

Unit registered with 4E:AF:F9:A7:4E:28 but I am unable to find them on interface MAC.

OpenWRT
-
OK
applied
4E:AF:F9:A7:4E:28
10.50.0.150
22 Mar 2023, 11:42 p.m.
30 Mar 2023, 12:47 p.m.

root:~# ip a
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000
    link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
    inet 127.0.0.1/8 scope host lo
       valid_lft forever preferred_lft forever
    inet6 ::1/128 scope host
       valid_lft forever preferred_lft forever
2: eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1504 qdisc fq_codel state UP group default qlen 1000
    link/ether 1e:29:cd:e5:db:ff brd ff:ff:ff:ff:ff:ff
    inet6 fe80::1c29:cdff:fee5:dbff/64 scope link
       valid_lft forever preferred_lft forever
3: lan1@eth0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br-lan state UP group default qlen 1000
    link/ether 1e:29:cd:e5:db:ff brd ff:ff:ff:ff:ff:ff
4: lan2@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue master br-lan state LOWERLAYERDOWN group default qlen 1000
    link/ether 1e:29:cd:e5:db:ff brd ff:ff:ff:ff:ff:ff
5: lan3@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue master br-lan state LOWERLAYERDOWN group default qlen 1000
    link/ether 1e:29:cd:e5:db:ff brd ff:ff:ff:ff:ff:ff
6: lan4@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue master br-lan state LOWERLAYERDOWN group default qlen 1000
    link/ether 1e:29:cd:e5:db:ff brd ff:ff:ff:ff:ff:ff
7: wan@eth0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue state LOWERLAYERDOWN group default qlen 1000
    link/ether 1e:29:cd:e5:db:ff brd ff:ff:ff:ff:ff:ff
10: wwan0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 1000
    link/none
    inet 10.141.213.173/30 brd 10.141.213.175 scope global wwan0
       valid_lft forever preferred_lft forever
    inet6 fe80::19a5:4571:174c:6274/64 scope link stable-privacy
       valid_lft forever preferred_lft forever
14: br-lan: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state UP group default qlen 1000
    link/ether 1e:29:cd:e5:db:ff brd ff:ff:ff:ff:ff:ff
    inet 192.168.2.1/24 brd 192.168.2.255 scope global br-lan
       valid_lft forever preferred_lft forever
    inet6 fd2b:293b:f6eb::1/60 scope global noprefixroute
       valid_lft forever preferred_lft forever
    inet6 fe80::1c29:cdff:fee5:dbff/64 scope link
       valid_lft forever preferred_lft forever
17: wlan1: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br-lan state UP group default qlen 1000
    link/ether f8:5e:3c:40:fe:ff brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fa5e:3cff:fe40:feff/64 scope link
       valid_lft forever preferred_lft forever
18: wlan0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue master br-lan state UP group default qlen 1000
    link/ether f8:5e:3c:40:fe:fe brd ff:ff:ff:ff:ff:ff
    inet6 fe80::fa5e:3cff:fe40:fefe/64 scope link
       valid_lft forever preferred_lft forever
19: tun0: <POINTOPOINT,MULTICAST,NOARP,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UNKNOWN group default qlen 500
    link/none
    inet 10.50.0.150/24 scope global tun0
       valid_lft forever preferred_lft forever
    inet6 fe80::62c:8aa3:d6eb:3f02/64 scope link stable-privacy
       valid_lft forever preferred_lft forever

[Federico Capoano]

Here's the logic which chooses the mac address based on configuration or on fallbacks (eth0 or first non loopback interface, using ifconfig):

https://github.com/openwisp/openwisp-config/blob/master/openwisp-config/files/openwisp.agent#L281-L284

Try playing with this code via shell and see what you can find out, try changing the mac_interface option if needed.

Fed

On Fri, 31 Mar 2023 at 14:38, Deepesh Singh <singd...@gmail.com> wrote:

This

root@Freshwave:~# ip link | awk '{print $2}'
lo:

00:00:00:00:00:00

eth0:
f6:e3:04:99:bd:64
lan1@eth0:
f6:e3:04:99:bd:64
lan2@eth0:
f6:e3:04:99:bd:64
lan3@eth0:
f6:e3:04:99:bd:64
lan4@eth0:
f6:e3:04:99:bd:64
wan@eth0:
f6:e3:04:99:bd:64
wwan0:

br-lan:
f6:e3:04:99:bd:64
wlan0:

f8:5e:3c:40:fe:fe

wlan1:

f8:5e:3c:40:fe:ff

tun0:

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