# Micrologix 1400 TCP and/or UDP Ports Used

**URL:** <https://forum.inductiveautomation.com/t/micrologix-1400-tcp-and-or-udp-ports-used/16554>\
**Category:** Ignition\
**Tags:** ignition79\
**Created:** [January 10, 2018, 9:22pm UTC](https://forum.inductiveautomation.com/t/micrologix-1400-tcp-and-or-udp-ports-used/16554 "2018-01-10T21:22:07Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![dturner](https://avatars.discourse-cdn.com/v4/letter/d/90ced4/32.png) [@dturner](https://forum.inductiveautomation.com/u/dturner)\
**Post date:** [January 10, 2018, 9:22pm UTC](https://forum.inductiveautomation.com/t/micrologix-1400-tcp-and-or-udp-ports-used/16554/1 "2018-01-10T21:22:07Z")

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What ports, UDP and TCP, does the Allen-Bradley Micrologix 1400 driver use to communicate to a Micrologix 1400? I need to configure a router to allow traffic from the PLC to the Ignition Gateway.

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**Author:** ![Kevin.Herron](https://sea1.discourse-cdn.com/inductiveautomation/user_avatar/forum.inductiveautomation.com/kevin.herron/32/7259_2.png) [@Kevin.Herron](https://forum.inductiveautomation.com/u/Kevin.Herron)\
**Post date:** [January 10, 2018, 9:24pm UTC](https://forum.inductiveautomation.com/t/micrologix-1400-tcp-and-or-udp-ports-used/16554/2 "2018-01-10T21:24:35Z")

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TCP port 44818, nothing else needed, driver doesn’t allow port configuration.

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<div class="post-metadata">

**Author:** ![dturner](https://avatars.discourse-cdn.com/v4/letter/d/90ced4/32.png) [@dturner](https://forum.inductiveautomation.com/u/dturner)\
**Post date:** [January 10, 2018, 9:25pm UTC](https://forum.inductiveautomation.com/t/micrologix-1400-tcp-and-or-udp-ports-used/16554/3 "2018-01-10T21:25:52Z")

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Thank you! I will program the router accordingly.