BeagleBone Black 보드는 직렬 연결과 이더넷 케이블로만 노트북에 연결되어 있고 5mm 잭으로 전원이 공급됩니다. 직렬 연결은 잘 작동하고 언제든지 로그인할 수 있지만 이더넷 연결을 통해 로그인할 수 없습니다. 내 노트북에서 Ubuntu 14.04를 실행하고 있습니다.
ifconfig
노트북 측의 출력은 다음과 같습니다.
eth0 Link encap:Ethernet HWaddr 00:26:9e:54:39:db
inet6 addr: fe80::226:9eff:fe54:39db/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:30 errors:0 dropped:0 overruns:0 frame:0
TX packets:1102 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:12400 (12.4 KB) TX bytes:225290 (225.2 KB)
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:7615 errors:0 dropped:0 overruns:0 frame:0
TX packets:7615 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:764895 (764.8 KB) TX bytes:764895 (764.8 KB)
wlan0 Link encap:Ethernet HWaddr 0c:ee:e6:80:75:e4
inet addr:10.17.255.177 Bcast:10.17.255.255 Mask:255.255.240.0
inet6 addr: fe80::eee:e6ff:fe80:75e4/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:161592 errors:0 dropped:0 overruns:0 frame:57437
TX packets:133489 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:185045013 (185.0 MB) TX bytes:15021821 (15.0 MB)
Interrupt:16
BB 측에서 직렬 통신을 통해:
eth0 Link encap:Ethernet HWaddr 90:59:AF:5C:D1:3E
inet addr:169.254.28.162 Bcast:169.254.255.255 Mask:255.255.0.0
inet6 addr: fe80::9259:afff:fe5c:d13e/64 Scope:Link
UP BROADCAST RUNNING MULTICAST MTU:1500 Metric:1
RX packets:535 errors:0 dropped:0 overruns:0 frame:0
TX packets:41 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:111890 (109.2 KiB) TX bytes:12586 (12.2 KiB)
Interrupt:56
lo Link encap:Local Loopback
inet addr:127.0.0.1 Mask:255.0.0.0
inet6 addr: ::1/128 Scope:Host
UP LOOPBACK RUNNING MTU:65536 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:0
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
usb0 Link encap:Ethernet HWaddr 76:09:06:0A:D5:77
inet addr:192.168.7.2 Bcast:192.168.7.3 Mask:255.255.255.252
UP BROADCAST MULTICAST MTU:1500 Metric:1
RX packets:0 errors:0 dropped:0 overruns:0 frame:0
TX packets:0 errors:0 dropped:0 overruns:0 carrier:0
collisions:0 txqueuelen:1000
RX bytes:0 (0.0 B) TX bytes:0 (0.0 B)
내가 달리면route -n
Kernel IP routing table
Destination Gateway Genmask Flags Metric Ref Use Iface
0.0.0.0 10.17.255.254 0.0.0.0 UG 0 0 0 wlan0
10.17.240.0 0.0.0.0 255.255.240.0 U 9 0 0 wlan0
내 보드가 eth1 또는 유사 장치에 연결된 것을 볼 수 없으며 USB 또는 직렬 연결 없이 BeagleBone에 로드할 수도 없습니다.
내가 놓친 게 무엇입니까?