# \#6760

**URL:** https://forums.digi.com/tag/2246-tag/2246.md

[Latest](https://forums.digi.com/latest.md) · [Categories](https://forums.digi.com/categories.md) · [Tags](https://forums.digi.com/tags.md)

---

## [RCM6760 responds with RST, ACK over VLAN but responds with proper SYN, ACK when using direct cable connection](https://forums.digi.com/t/rcm6760-responds-with-rst-ack-over-vlan-but-responds-with-proper-syn-ack-when-using-direct-cable-connection/15138)

<div class="topic-metadata">

**Author:** [@faldeland](https://forums.digi.com/u/faldeland)\
**Replies:** 7\
**Last updated:** [December 1, 2016, 1:58pm UTC](https://forums.digi.com/t/rcm6760-responds-with-rst-ack-over-vlan-but-responds-with-proper-syn-ack-when-using-direct-cable-connection/15138 "2016-12-01T13:58:16Z")

</div>

We have several models of the Rabbit RCM modules in the field. At one facility we have an RCM2200 on the same VLAN and switches as an RCM6760. Using Wireshark, when monitoring the RCM2200, we can see the proper SYN, SYN…