On Wednesday, October 7, 2020 at 5:25:58 PM UTC+2, jonnymo wrote:
>
> How is the Ethernet connection connected to the BB? Are you using a
> Switch or direct?
>
*Direct *
> You can check the output of 'dmesg' to see if there are any messages that
> indicated the port went down.
> Have tried to unplug the ethernet cable from the BB and plug it back in?
>
*Yes, didn't help. The IP assigned to BBB isn't on the same subnet as host:*
*Host: 192.XXX.XXX.XXX*
*BBB: 169.XXX.XXX.XXX*
>
> Commands to check:
> * ip address*
> * ip link*
> * ip -s link show*
> * ip route *
> * route *
>
pavel@ALABAMA:~$ ip address
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: enp8s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state
UP group default qlen 1000
link/ether 8c:16:45:a9:fe:44 brd ff:ff:ff:ff:ff:ff
inet 192.168.206.180/24 brd 192.168.206.255 scope global noprefixroute
enp8s0
valid_lft forever preferred_lft forever
inet6 fe80::8e16:45ff:fea9:fe44/64 scope link
valid_lft forever preferred_lft forever
3: wlp7s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP group default qlen 1000
link/ether 14:4f:8a:ac:fb:66 brd ff:ff:ff:ff:ff:ff
inet 192.168.1.252/24 brd 192.168.1.255 scope global dynamic
noprefixroute wlp7s0
valid_lft 258424sec preferred_lft 258424sec
inet6 2001:171b:227c:8320:bdfd:2047:6cd3:8090/128 scope global dynamic
noprefixroute
valid_lft 2828sec preferred_lft 2828sec
inet6 2001:171b:227c:8320:9167:d6af:99a3:3245/64 scope global temporary
dynamic
valid_lft 7181sec preferred_lft 3581sec
inet6 2001:171b:227c:8320:e3e5:53c7:9824:b200/64 scope global dynamic
mngtmpaddr noprefixroute
valid_lft 7181sec preferred_lft 3581sec
inet6 fdaa:bbcc:ddee:0:9167:d6af:99a3:3245/64 scope global temporary
dynamic
valid_lft 604027sec preferred_lft 85130sec
inet6 fdaa:bbcc:ddee:0:1ffd:69b9:6949:cc83/64 scope global dynamic
mngtmpaddr noprefixroute
valid_lft 2006054636sec preferred_lft 2006054636sec
inet6 fe80::66f8:f168:baa9:3769/64 scope link noprefixroute
valid_lft forever preferred_lft forever
4: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
state DOWN group default
link/ether 02:42:38:88:1f:48 brd ff:ff:ff:ff:ff:ff
inet 172.17.0.1/16 brd 172.17.255.255 scope global docker0
valid_lft forever preferred_lft forever
pavel@ALABAMA:~$ ip link
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode
DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
2: enp8s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state
UP mode DEFAULT group default qlen 1000
link/ether 8c:16:45:a9:fe:44 brd ff:ff:ff:ff:ff:ff
3: wlp7s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP mode DORMANT group default qlen 1000
link/ether 14:4f:8a:ac:fb:66 brd ff:ff:ff:ff:ff:ff
4: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
state DOWN mode DEFAULT group default
link/ether 02:42:38:88:1f:48 brd ff:ff:ff:ff:ff:ff
pavel@ALABAMA:~$ ip -s link show
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN mode
DEFAULT group default qlen 1000
link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
RX: bytes packets errors dropped overrun mcast
157429 1572 0 0 0 0
TX: bytes packets errors dropped carrier collsns
157429 1572 0 0 0 0
2: enp8s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state
UP mode DEFAULT group default qlen 1000
link/ether 8c:16:45:a9:fe:44 brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
28005 60 0 0 0 18
TX: bytes packets errors dropped carrier collsns
21027 218 0 0 0 0
3: wlp7s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc noqueue state
UP mode DORMANT group default qlen 1000
link/ether 14:4f:8a:ac:fb:66 brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
3686655 9399 0 0 0 0
TX: bytes packets errors dropped carrier collsns
2200807 6783 0 0 0 0
4: docker0: <NO-CARRIER,BROADCAST,MULTICAST,UP> mtu 1500 qdisc noqueue
state DOWN mode DEFAULT group default
link/ether 02:42:38:88:1f:48 brd ff:ff:ff:ff:ff:ff
RX: bytes packets errors dropped overrun mcast
0 0 0 0 0 0
TX: bytes packets errors dropped carrier collsns
0 0 0 0 0 0
pavel@ALABAMA:~$ ip route
default via 192.168.1.1 dev wlp7s0 proto dhcp metric 600
default via 192.168.206.2 dev enp8s0 proto static metric 20100
169.254.0.0/16 dev wlp7s0 scope link metric 1000
172.17.0.0/16 dev docker0 proto kernel scope link src 172.17.0.1 linkdown
192.168.1.0/24 dev wlp7s0 proto kernel scope link src 192.168.1.252 metric
600
192.168.206.0/24 dev enp8s0 proto kernel scope link src 192.168.206.180
metric 100
pavel@ALABAMA:~$ route
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use
Iface
default sunrise 0.0.0.0 UG 600 0 0
wlp7s0
^C
pavel@ALABAMA:~$
> There is some good info on this page:
> https://developer.ibm.com/technologies/linux/tutorials/l-lpic1-109-3/
>
> Cheers,
>
> Jon
>
> On Wed, Oct 7, 2020 at 8:04 AM Pavel Yermolenko <[email protected]
> <javascript:>> wrote:
>
>> I changed wired connection settings on my host.
>> Now it looks like this:
>>
>> [image: Screenshot from 2020-10-07 16-59-42.png]
>>
>> But when I run *ifconfig* on BBB (connected via terminal), I see that IP
>> address of BBB isn't in the same subnet:
>>
>> [image: Screenshot from 2020-10-07 17-02-41.png]
>> Any comments ?
>>
>> Thanks.
>>
>>
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>>
>
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