Vaisala HMT140 User Manual page 66

Appendix Specifications and Troubleshooting
Workaround:
Use Dynamic IP and have DCHP Caching turned off. If
1
the IP address is static or the DHCP Caching is enabled,
these routers will not forward the HMT140's UDP data
packet.
Replace the router (contact Vaisala Technical Support).
2
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