*** WARNING: Couldn't punch through NAT (or no NAT in place). Using 30303

When I try connecting I get the following results. Basically I never get a peer.

Initialising: latest=0906dae3e53047ca76ed0603d48a9edadfd21f0efea5d5fd2437037c7cd1ad5a
Address: 127.0.0.1 = 127.0.0.1 [LOCAL]
Address: 192.168.0.51 = 192.168.0.51 [PEER]
TB : init_upnp()
UPnP device :
desc: http://192.168.0.1/root.sxml
st: urn:schemas-upnp-org:device:InternetGatewayDevice:1
external addr: 192.168.1.65
TB : upnp_add_redir (30303)
ERROR: Mapped port not found.
*** WARNING: Couldn't punch through NAT (or no NAT in place). Using 30303
Listening on local port 30303 (public: 192.168.1.65:30303)
Mode: Full
Initialising: latest=0906dae3e53047ca76ed0603d48a9edadfd21f0efea5d5fd2437037c7cd1ad5a
Attempting connection to 54.200.78.45:30303
Connected.
40 | Hello: Ethereum(++)/v0.1 0x1 0
40 | GetChain (1 hashes, 2048)
40 | GetChain (128 max, from 0906dae3e53047ca76ed0603d48a9edadfd21f0efea5d5fd2437037c7cd1ad5a to 0906dae3e53047ca76ed0603d48a9edadfd21f0efea5d5fd2437037c7cd1ad5a)
Requires 0 blocks from 0 to 0
0906dae3e53047ca76ed0603d48a9edadfd21f0efea5d5fd2437037c7cd1ad5a - 0906dae3e53047ca76ed0603d48a9edadfd21f0efea5d5fd2437037c7cd1ad5a
Sending 0 blocks from 0 to 0
Parent: 0906dae3e53047ca76ed0603d48a9edadfd21f0efea5d5fd2437037c7cd1ad5a
40 | Peers (3 entries)
Checking: 67.190.148.149:30303
...against 54.200.78.45:0
New peer: 67.190.148.149:30303
Checking: 190.13.127.230:30303
...against 54.200.78.45:0
New peer: 190.13.127.230:30303
Checking: 199.126.52.66:30303
...against 54.200.78.45:0
New peer: 199.126.52.66:30303
Attempting connection to 199.126.52.66:30303
Connection refused (connect: Connection timed out)
Attempting connection to 190.13.127.230:30303
Connection refused (connect: Connection timed out)
Attempting connection to 67.190.148.149:30303
Connection refused (connect: No route to host)

Comments

  • kershykershy Member Posts: 46
    Same problem here.

    When running serv.sh

    *** WARNING: Couldn't punch through NAT (or no NAT in place). Using 30303
    terminate called after throwing an instance of 'boost::exception_detail::clone_impl >'
    what(): std::bad_cast
    ERROR: Mapped port not found.

    When running AlephZero (and press 'Connect')

    *** WARNING: Couldn't punch through NAT (or no NAT in place). Using 30303
    terminate called after throwing an instance of 'boost::exception_detail::clone_impl >'
    what(): std::bad_cast
    Aborted (core dumped)

    I am not giddy about opening ports on my NAT - any workaround for this?
  • kershykershy Member Posts: 46
    Problem solved by enabling UPnP on the router
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