About KarstenI

KarstenI · ‎03-28-2023

Yes:

KarstenI · ‎03-28-2023

I had this problem on many networks after updates from 16 to 17 or 16 to 18. The solution was to remove all content and thread categories, apply, wait, and then reconfigure the needed categories.

KarstenI · ‎03-28-2023

Where do you see that stated? It has an integrated mount to fix it to a wall, but no rack-mount kit. Also the MX75 (and lower models) are desktop devices. MX85 and higher are rack-devices.

KarstenI · ‎03-27-2023

These are desktop switches. But there is at least one third-party solution: https://www.rackmount.it/products/regulars/cisrack/rm-ci-t7.html

KarstenI · ‎03-27-2023

The MR36 uses 802.3af, which means the two switches would be fine. But for ease of operation I would use 2*MS120-8FP. That makes the all-in-all management easier.

KarstenI · ‎03-26-2023

I think this would be too generic.

KarstenI · ‎03-26-2023

This is pretty much what I do with most customers. With only a few switches in the access, the core is typically a stacked MS355.

KarstenI · ‎03-26-2023

Just tested on my CW9166: Configured a new Profile with only UNII1 selected for AutoRF. Applied the profile, updated and waited. After some time both the radio settings and the utilisation showed CH48 which was also the channel WiFi Explorer shows. Set the channel manually to 140 on the AP. Wifi Explorer shows the change, Channel utilisation shows the new channel, Radio settings still show 48, but changed to 140 after a minute or so. This is pretty much what I expected. The Firmware is 29.5.1.

KarstenI · ‎03-25-2023

Oh, interesting, “D” for internal directional antennas? But CM … No idea!

KarstenI · ‎03-25-2023

I assume his desire to set the channels is the result of either a WLAN-design/site-survey or a dedicated optimization. For the RF-profile: The AP needs a profile, that’s the reason you can’t remove it. But you can apply the default profile to set it back to default.

KarstenI · ‎03-23-2023

Only Meraki knows the Meraki Future. And don't forget that there is a "Give your Feedback" button on the bottom right of the Dashboard.

KarstenI · ‎03-19-2023

For all of these very special VPN requirements, I would always add an additional ASA or FTD to the network. Although AutoVPN is great, all the other VPN features are quite limited on the MX.

KarstenI · ‎03-17-2023

Congratulation to the winners, I am a little bit envious ... 😀

KarstenI · ‎03-16-2023

No, the setting of the root bridge only makes it deterministic. But the loop is there regardless of the root-settings. STP will avoid the problems that occur through the loop.

KarstenI · ‎03-16-2023

Still the recommended design ... 😉 And because @PhilipDAth will also recommend a different approach, in this blog post both options are outlined: https://cyber-fi.net/index.php/2022/03/13/how-to-connect-the-meraki-mx-to-ms-switches/ IMHO both are ok as long as the decision can be justified.

KarstenI · ‎03-16-2023

This is a valid design. But if you have at least /29 networks from the ISPs, you can easily connect both MXes to both ISPs. And the switch-ports that connect the MXes are not allowed to have any STP-Guard as you rely on STP to block two of the ports.

KarstenI · ‎03-16-2023

Both devices are meant to be mounted in a 19" rack.

KarstenI · ‎03-16-2023

The change of the VLAN for the SSID will not be the problem. But the misbehaving clients will be. Some might realise that the network changed, some might do a new DHCP when the wireless connection is killed and re associated and some will likely stick with the old IP until reboot. Especially IoT devices are very often the ones that behave the worst.

KarstenI · ‎03-15-2023

Without any information, it can be anything ...

KarstenI · ‎03-15-2023

Can you explain a little bit more detailed what you want to achieve? On every WLAN solution we can use PSKs, Meraki included. And the Meraki APs also integrate with ISE with multiple options.

KarstenI · ‎03-14-2023

@van604 I still have one of these in the basement. But with two spare MR52s it's really time to retire that device.

KarstenI · ‎03-13-2023

@MerryAki (now it's correct 😉 ) With Lotion? That goes far beyond cleaning. That's AP and sensor wellness! 👍

KarstenI · ‎03-13-2023

This is me, cleaning my APs to ensure proper RF propagation. (Kids, don't do this at home, this photo was taken by a professional AP cleaner in a controlled AP cleaning environment!)

KarstenI · ‎03-12-2023

Typically both MXes are connected to both ISPs. Two MX, two ISPs (with at least /29 subnet) and you need to make sure that both MX devices can physically connect to both ISP. For this 2 switches are often used between the MXes and ISP routers.

KarstenI · ‎03-11-2023

The main question is why do you need more ports on the firewall? I assume that you connect your devices directly to the firewall and now have more than four devices. An MS120-8 is the device that I would use in this situation.

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