# PLC and Router ACL

**URL:** <https://forumautomation.com/t/plc-and-router-acl/3890>\
**Category:** Industrial Networking\
**Tags:** plc\
**Created:** [June 18, 2018, 9:33pm UTC](https://forumautomation.com/t/plc-and-router-acl/3890 "2018-06-18T21:33:17Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![daniel\_potter](https://forumautomation.com/letter_avatar_proxy/v4/letter/d/858c86/32.png) [@daniel\_potter](https://forumautomation.com/u/daniel_potter)\
**Post date:** [June 18, 2018, 9:33pm UTC](https://forumautomation.com/t/plc-and-router-acl/3890/1 "2018-06-18T21:33:17Z")

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When designing a ACL for a industrial network do I use all PLC IPs, the PSCA Card IP, or do I use both?

Thank you