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Network Rendering Troubleshooting

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Our support department has come up with a brief guide that may prove useful to troubleshoot issues with Network Rendering-

If the machines can see each other with Bonjour (they show up in the Network View) but cannot connect, there are three possible issues:
- Firewall is blocking the connection
- Unable to resolve the name of the machine into an IP address
- Unable to reach the machine through TCP/IP

When the firewall is blocking the ports, users will need to ensure the necessary ports are available for MODO. Please reference the documentation for the network firewall that is in use for information on opening ports. The last two can be tested with the 'ping' command in a terminal or an MS-DOS prompt:

ping machineName.local

Ping must be able to get through the firewall for this to work. This command will attempt to resolve the IP address for the machine with the name "machineName" on the LAN. It should return something like this:

PING machineName.local ( 56 data bytes
64 bytes from icmp_seq=0 ttl=128 time=1.487 ms
64 bytes from icmp_seq=1 ttl=128 time=0.732 ms
64 bytes from icmp_seq=2 ttl=128 time=4.758 ms

Use ctrl-c to stop it from ping'ing This indicates both that the machine can be reached (the "64 bytes from..." lines) and that the machine name can be resolved into an IP address (in this case,

If the machine name can't be resolved, you'll get back something like this:

ping: cannot resolve machineName.local: Unknown host

Which means you have a problem with your network. If the machine name can be resolved but not reached, you'll get the following:

PING machineName.local ( 56 data bytes
Request timeout for icmp_seq 0
Request timeout for icmp_seq 1
Request timeout for icmp_seq 2
Request timeout for icmp_seq 3

That means the name was resolved to, but the packets aren't getting through to the other machine. This also means that there is a problem with your network. If you can successfully ping the other machine, then it might make sense to contact your network support specialist.



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