Catalyst 9410 and Cisco Meraki Roaming

[tbduff001]

We are running Cisco Meraki APs that are connected to a Catalyst 9410 switch and are experiencing and issue with roaming. We put in the 9410 switch last week replacing a 4510. We did not have this issue when the same Meraki APs were connected to the 4510 and the 9410 has the same port config that the 4510. The Meraki dashboard is just showing Bad Roams or Suboptimal Roams, no other information is given.   Curious if anyone else has come across this issue or something similar in the past, if so what was the solution if there was one.  

[marce1000]

 - Can't see immediate connection with the switch (roaming issues) ; you may also post the question here :
                                                                                        https://community.meraki.com/t5/Wireless-LAN/bd-p/wireless-lan

 M.

[eglinsky2012]

Can you provide port configurations from both the 4500 and 9400? Are they identical? Keep an eye on port security in particular.

Also make sure 9400 is running software that's up to date per recommendations here: https://www.cisco.com/c/en/us/support/docs/switches/catalyst-9300-series-switches/214814-recommended-releases-for-catalyst-9200-9.html

[Haydn Andrews]

are the APs that the roam happening between have the same layer 3 network connected?

Is it all roams or just some?

[tbduff001 · Accepted solution]

We found the issue, it was related to the config on the new 9400 switch and using 802.1x authentication. We had to add auth mac-move permit to the config. This was something that was enabled by default on the 4500s but not on 9400s.