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icmp_seq=1 Destination Host Unreachable

Question asked by Santhosh Kumar on Jun 10, 2020
Latest reply on Jun 12, 2020 by Victor Linnik


I am unable to ping the host through i.mx8mm board and also i have checked on the scope that packets are not getting transmitted from Processor TX/RX pin. what is the configuration that iam missing, i am unable to ping from uboot as well as from the linux kernel


root@imx8mmevk:~# ifconfig
eth0      Link encap:Ethernet  HWaddr 02:01:02:03:04:05  
          inet addr:  Bcast:  Mask:
          inet6 addr: fe80::1:2ff:fe03:405/64 Scope:Link
          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)


lo        Link encap:Local Loopback  
          inet addr:  Mask:
          inet6 addr: ::1/128 Scope:Host
          UP LOOPBACK RUNNING  MTU:65536  Metric:1
          RX packets:2651 errors:0 dropped:0 overruns:0 frame:0
          TX packets:2651 errors:0 dropped:0 overruns:0 carrier:0
          collisions:0 txqueuelen:1000
          RX bytes:191868 (187.3 KiB)  TX bytes:191868 (187.3 KiB)


root@imx8mmevk:~# route -n
Kernel IP routing table
Destination     Gateway         Genmask         Flags Metric Ref    Use Iface         UG    0      0        0 eth0         U     0      0        0 eth0     U     0      0        0 eth0   U     0      0        0 eth0


root@imx8mmevk:~# [  560.262908] fec 30be0000.ethernet eth0: Graceful transmit stop did not complete!
[  560.270335] fec 30be0000.ethernet eth0: Link is Down
[  560.324080] IPv6: ADDRCONF(NETDEV_UP): eth0: link is not ready
[  561.287018] IPv6: ADDRCONF(NETDEV_CHANGE): eth0: link becomes ready
[  561.294869] fec 30be0000.ethernet eth0: Link is Up - 100Mbps/Full - flow control rx/tx


root@imx8mmevk:~# ping
PING ( 56(84) bytes of data.
[  570.502790] random: crng init done
[  570.506204] random: 7 urandom warning(s) missed due to ratelimiting
From icmp_seq=1 Destination Host Unreachable
From icmp_seq=2 Destination Host Unreachable
From icmp_seq=3 Destination Host Unreachable
From icmp_seq=4 Destination Host Unreachable
From icmp_seq=5 Destination Host Unreachable
From icmp_seq=6 Destination Host Unreachable
From icmp_seq=7 Destination Host Unreachable
From icmp_seq=8 Destination Host Unreachable
From icmp_seq=9 Destination Host Unreachable
--- ping statistics ---
10 packets transmitted, 0 received, +9 errors, 100% packet loss, time 9205ms
pipe 4