topic Re: Mix of Embedded Controller C9115AXI-EWC and no EWC C9105AXW in Wireless

Mix of Embedded Controller C9115AXI-EWC and no EWC C9105AXW

camo — Mon, 05 Jul 2021 20:05:19 GMT

Hi all, hope you are fine.

Is it possible to mix two (2) APs with embedded Controlleur C9115AXI-EWC and others APs without EWC like C9105AXW.

So that the two (2) C9115AXI-EWC-E will be in HA mode (Active/Standby).

Thanks.

Re: Mix of Embedded Controller C9115AXI-EWC and no EWC C9105AXW

Scott Fella — Fri, 02 Apr 2021 20:09:59 GMT

There is no need for that. With EWC, any available supported EWC master ap can become a master. You just need to setup one and then have all the other ap's join that master. Once that ap fails, there will be a new master ap with the same controller ip. Keep in mind that the Controller ip is different from the ap ip.

Re: Mix of Embedded Controller C9115AXI-EWC and no EWC C9105AXW

camo — Fri, 02 Apr 2021 22:26:13 GMT

Thanks Scott,

is this meaning that some APs that do not support EWC will not participate to the Controller election and others will?

Re: Mix of Embedded Controller C9115AXI-EWC and no EWC C9105AXW

Scott Fella — Fri, 02 Apr 2021 22:48:33 GMT

That is correct! You can find many answers in the EWC FAQ herre: Cisco Embedded Wireless Controller on Catalyst Access Points FAQ - Cisco

Some things that you need to review:

Q. Which Cisco Catalyst 9100 Access Points can run the Embedded Wireless Controller on Catalyst Access Points?

A. All Cisco Catalyst 9100 Access Points (the 9105AXI, 9115AX, 9117AX, 9120AX, and 9130AX Series) can run the EWC.

Note that Catalyst 9105 Wall Plate Access Points (C9105AXW) can join an EWC network and service clients, but they cannot run the EWC function on the access points.

Q. What are the scale limits for the Embedded Wireless Controller on Catalyst Access Points?

A. The Cisco Catalyst 9105AXI, 9115AX, and 9117AX Series Access Points running the EWC support up to 50 access points and 1000 clients. The Catalyst 9120AX and Catalyst 9130AX Series running the EWC support up to 100 access points and 2000 clients.

Q. Can access points running the Embedded Wireless Controller also service wireless clients?

A. Yes, access points running the EWC can also service clients at the same time.

Q. Can 802.11ac Wave 1 or 802.11ac Wave 2 access points join an Embedded Wireless Controller on Catalyst Access Points network?

A. 802.11ac Wave 2 access points can join an EWC network and service clients, but they cannot run the EWC function on the access points. Note that 802.11ac Wave 1 access points are not supported with the EWC on Catalyst Access Points.

Q. Can I mix and match different access points in an Embedded Wireless Controller on Catalyst Access Point deployment?

A. Yes, you can mix and match different Cisco Catalyst 9100 Access Points and Wave 2 access points in an EWC deployment.

Re: Mix of Embedded Controller C9115AXI-EWC and no EWC C9105AXW

camo — Fri, 02 Apr 2021 23:27:43 GMT

Thank you Scott.