# Send udp message on eth1

**URL:** <https://discourse.nodered.org/t/send-udp-message-on-eth1/41813>\
**Category:** General\
**Created:** [1 March 2021 13:49 UTC](https://discourse.nodered.org/t/send-udp-message-on-eth1/41813 "2021-03-01T13:49:23Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![kubasmyk](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/kubasmyk/32/38021_2.png) [@kubasmyk](https://discourse.nodered.org/u/kubasmyk)\
**Post date:** [1 March 2021 13:49 UTC](https://discourse.nodered.org/t/send-udp-message-on-eth1/41813/1 "2021-03-01T13:49:24Z")

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Hi whats the best way to send a udp message on eth1 interface?  
I think the node red is running on eth0. There doesnt seem to be a way to chose that in the udp send node.??  
Thanks

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**Author:** ![dceejay](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/dceejay/32/38_2.png) [@dceejay](https://discourse.nodered.org/u/dceejay)\
**Post date:** [1 March 2021 17:17 UTC](https://discourse.nodered.org/t/send-udp-message-on-eth1/41813/2 "2021-03-01T17:17:30Z")

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the udp node will just send to an address - it's up to you and your routing table as to which adapter is used to route to that address. On a linux box command prompt type `route` and it should show you how it is configured.

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**Author:** ![kubasmyk](https://sea2.discourse-cdn.com/flex026/user_avatar/discourse.nodered.org/kubasmyk/32/38021_2.png) [@kubasmyk](https://discourse.nodered.org/u/kubasmyk)\
**Post date:** [1 March 2021 17:50 UTC](https://discourse.nodered.org/t/send-udp-message-on-eth1/41813/3 "2021-03-01T17:50:33Z")

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thanks for pointing me in right direction

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**Author:** ![system](https://us1.discourse-cdn.com/flex026/uploads/nodered/original/1X/d073cd938eafa2e558d7c2cd59003b3ef4963033.png) [@system](https://discourse.nodered.org/u/system)\
**Post date:** [30 April 2021 17:51 UTC](https://discourse.nodered.org/t/send-udp-message-on-eth1/41813/4 "2021-04-30T17:51:22Z")

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