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- About IT_Magician
IT_Magician
Building a reputation
Member since Jan 20, 2020
2 weeks ago
Community Record
76
Posts
21
Kudos
1
Solution
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12-28-2022
11:27 AM
I never came back to update this post so doing this now. We did end up figuring out the best way for us to implement implicit deny which I wrote up a guide to hopefully save others the headaches we went through. Implicit deny is possible and the link below shares what we learned and how we do it. Cisco Meraki firewall with implicit deny? Yes, its possible.
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10-17-2022
09:38 PM
Thank you, you were 100% right. Immediately fixed the issue. We had 2 other known cases and also downgraded them and it fixed, so we ended up downgrading all with built in WIFI back to 16.6. Meraki should do a better job making support aware. We spent hours doing packet captures to no resolution.
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10-17-2022
01:13 PM
2 Kudos
After the MX17.10 upgrade to a mx64w everything works great except built-in wireless clients have horrible lag between loading sites. I say lag because if I go to www.cisco.com it spins and spins and spins and while trying to load I can open command prompt, NSLOOKUP immediately pulls correct IP, and I can ping no problem. This happens to ALL wireless users which is VLAN 1, but our hard wired VLAN 1 devices on same subnet do not have the issue. We replaced the Meraki with a MX67w running MX17.10 and have same issue. I then try a new browser (Edge) and go to www.meraki.com and it just spins and spins (eventually loads, 30+ seconds) but while that is loading I have zero packet loss to www.meraki.com via the command prompt, and all hard wired devices can access that without any issues. On the phone with Meraki support now, but anyone else with built in wireless having issues?
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10-06-2022
07:01 PM
1 Kudo
Okay so riddle me this. I fixed the issue with the .MSI file so it pulls down entire file. I try to install via Meraki and it fails. I add /i and it still fails. But then I add what NBV suggested and add this and it works: /l*v "C:\Temp\msi.log" What is strange is, if on Powershell I do /i or /i /qn it works on the local machine, but that same command through Meraki fails. No idea what is going on but it works now.
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10-05-2022
01:24 PM
Alright, so I think this issue is another systems manager bug. If I run the installer via Powershell like NBV suggested it works fine. When I run it through systems manager the problem is the MSI fails to install. Here is the break: 1. Meraki downloads the .MSI file. 2. Under C:\programdata\meraki\systems manager agent\temp\download it does not successfully download the full MSI, it pulls 16KB and then stops. It should be 41MB. 3. Meraki is either waiting for it to fully download which it never does so it hangs, or it thinks it is does and tries to execute but it fails because the MSI is corrupt. At this point I am going to have to use my own powershell script to run an installer by pulling it down from our FTP into a directory and then installing that file via powershell, but Meraki does not support scripting natively, so using this documentation: Deploying Scripts in Systems Manager using Software Installer - Cisco Meraki we will have to learn Nullsoft and somehow have that run our simple powershell command. Very frustrating these bugs are lingering in this product.
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10-05-2022
07:54 AM
1 Kudo
Received this update from Meraki support. At least they know the issue but that leaves us dead in the water. "The Meraki Engineering team finished investigating the behaviors with Windows 10 & 11 devices and Sentry VPN. The Windows 10 & 11operating system introduced a change in what type of logins and credentials can be used in an MDM environment. Sentry Client VPN was original designed using a method that Windows no longer allows by default and leads to the user being prompted to enter their credentials. As this is directly related to a change in Windows 10 & 11 behavior and the Sentry Client VPN integration we are currently investigating and tracking improvement on this issue moving forward, however I do not have any further updates on the improvement at this time."
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10-04-2022
12:26 PM
Confirmed same issue on Windows 10. I tried downgrading the agent but even after telling it to go to 3.0 and hitting save, which is says successfully saved, if you refresh the page it reverts back to the latest version. I do have an escalated ticket open with Meraki, hopefully they get back soon.
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10-04-2022
11:12 AM
Alright, spun up a new Windows 10 box and confirmed issue is there as well. Meraki pushes out the VPN profile but when I connect it prompts for a username and password. I am going to try and downgrade the Meraki version. We are currently using latest of 3.5.2.
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10-04-2022
11:08 AM
You are 100% correct. We are trying to do two basic things with Windows MDM: 1. Push out a MSI 2. Have MDM provision a Sentry VPN For the MSI, Meraki only downloads 16kb of the 41MB file so the MSI does not install. For Sentry VPN, it asks a handful of Windows users for a username and password. Blows my mind this doesn't work as advertised.
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10-04-2022
10:29 AM
1 Kudo
We have a VPN profile pushed via Sentry to both Windows and MAC devices. All MAC devices work fine, and most Windows devices work fine, but we have a handful of Windows devices that cannot connect to the VPN. I spun up a fresh Windows 11 VM and can re-create the issue. The VPN shows up, but when connecting it is prompting for a username and password instead of Meraki systems manager automatically handling that. When looking in the event viewer I do see errors with the profile installing. I removed and re-pushed the profile but the errors in event viewer still are listed (even through the VPN does install) but I think that might have something to do. I am spinning up a Windows 10 device now to test that OS.
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Sentry
10-04-2022
10:26 AM
1 Kudo
On our Windows stack we have an issue where systems manager fails to install .MSI files. Here is what I have gotten to on our Windows 11 device: 1. We upload the .MSI 2. In Meraki you can download the MSI which I confirm it is 41MB 3. It pushes the install but eventually fails 4. When looking at the logs it downloads the file to C:\programdata\meraki\systems manager agent\temp\download 5. However looking at that file it is trying to execute it is only 16kb I tried re-uploading the file, and even pointing the file to a dedicated URL and confirmed it is a 41MB MSI, but when Meraki pulls it down it is getting stuck. From what I can tell that is the issue but I could be wrong. I am spinning up a Windows 10 device now to test that OS.
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Apps
09-06-2022
12:06 PM
Hey Meraki Community, We have a customer who we are migrating away from Rippling to Meraki MDM. All features seem to be found equally on both systems except one item. Rippling allowed the IT Team to click "reset password" for both Windows and Mac. When that happened it created a random password and required change on next sign in. It then showed the password in Rippling so the IT admin could tell the user how to login, and then once password changed they are good. Does anyone know if Meraki can do something like this?
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macOS
03-24-2022
01:57 PM
No we were not.. but you know how bug fixes go, sometimes they do not cover all things that were breaking....
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03-24-2022
01:52 PM
2 Kudos
For those who had issues with 14.33, it looks like they have a 14.33.1 stable release and the bug fix might knock this issue out: Bug fixes Adaptive Policies rules can be incorrectly ordered resulting in traffic being blocked when it should not be
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03-24-2022
01:51 PM
So just today without any firmware upgrade at all, we had a location where switch went offline. Checked the dashboard and MX is up, and shows a link light to the switch. We rebooted the MX and the switch came back online. I am doing firmware upgrades now, just letting others know we are seeing weird switches going offline bugs still.
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03-04-2022
09:04 AM
Also worth noting, after switches updated to 14.33, our MX was still on v15. We since pushed firmware to V16 but still has issue. We then took another network with MX67w and MS120, upgraded firmware to 14.33 and had no issues. We then upgraded MX67w to v16 and still no issues. This seems like a bug between ms120 14.33 and MX100 on v15 and v16 firmware. If it happens again we are going to roll back the firmware.
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03-04-2022
09:02 AM
Here is the root issue: 1. MX 100 Port 3, Trunk, All VLANs to -> Port 24 on MS120 2. MS120 goes down, and when we look at MX, it shows port 3 disconnected 3. We then plugged in a new cable to port 4 on MX, and into port 20 on MS120 4. MS120 is now back online, but port 24 shows disconnected 5. Checked and no link activity on the switch 6. Enabling/Disabling port 24 which was previous uplink does not bring link back up.
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03-04-2022
08:55 AM
Last night Meraki auto pushed 14.33 firmware to switches. Switches never came back but MX online. If we reboot MX switches come back for a bit, and then go down again. I had a user plugin from another port on MX into switch which brings it back up. It is almost like the switch is enabling spanning tree and blocking the uplink port. Before I roll back firmware does anyone have any quick fixes for this?
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01-03-2022
03:16 PM
I really hope this saves everyone a bunch of time.... MX 100 -> AV SWITCH 01 -> AV Network Stack Basically when we put the Meraki's in HA it pulled traffic from the AV Network Stack switches over to the AV Switch 01. However the VRRP heartbeat packets work, it somehow is pulling that traffic to the rest of the network that it otherwise would not ever go. I confirmed this happened on two networks. I removed HA from both networks and the issue is now gone.
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12-30-2021
09:11 AM
Hey Community, I need some help getting the Crestron DM-NVX to work. I know others have figured this out and I will link to other posts I have found. MX100 -> VLAN 2017 Trunk -> MS225 From the MS225: Port 3 = Crestron Server Port 48 = Down stream switch with other AV devices Current issue: Down stream devices on port 48 called NVX devices (they are Audio/video decoders) naturally do a lot of Multicast traffic. When those devices are online, it floods the VLAN 2017 and we get 99% packet loss on port 3 Crestron server. We had this working fine for the last year, and recently installed MX100's in HA, which required us to reboot things, and since then this issue started. It sounds like I need a layer 3 interface on the MS225 switch, specifically to enable IGMP snooping querier. Does anyone have info on how this would need to be setup? Do I just enter my info for VLAN 2017 in the image below, or is there more than that? Links I have found: 1. This is why I was thinking I need to enable IGMP snooping querier: dm_nvx_network_min_requirements (crestron.com) 2. This talks more about this: Solved: Multicast Basic's - The Meraki Community 3. Found this article specifically about Creston/Meraki issues from a year ago: Crestron DM-NVX Video Distribution - The Meraki Community Thanks,
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12-13-2021
01:23 PM
1 Kudo
To confirm, if Meraki is showing this as being blocked, that does not mean the downstream device is vulnerable, correct? It just means someone was hitting the downstream device with a string which the MX is blocking?
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10-18-2021
11:29 AM
Hey Community, We have a large OPP with an event center. They have a 1 million sq. ft. facility and sell meeting space where anyone can rent out the event center. The ISP provides them a 1000 public IPs. When a group comes and rents out the space, the existing firewall stack is handing out public IPs on the hard wired VLAN. These are still protected by the firewall because the ports are not open except ICMP for PING. So group A comes in, takes up a /24 block of public hard wired IPs. Then they deploy services for their show (lets say an onsite print server and 100 computers). If you do ipconfig /all on any device it is technically a public IP and everything works. What type of routing is this and is this even something Cisco Meraki can handle?
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09-24-2021
10:09 AM
1 Kudo
Cables are all good, this is a brand new switch but we do have a second we can try. I find it strange only the WAP ports are flopping. Meraki does not log in the change log on dashboard when firmware upgrades were completed, so not 100% sure if firmware changed from auto-update but I cannot find an email. Issue is still happening, we are on hold with Meraki now but very frustrating. No way four cables are bad + cable at another customer location all at once. This feels like bad firmware. Meraki does show new firmware upgrades fix an issue with MS390 doing port flapping, but we have MS120.
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09-21-2021
07:34 PM
1 Kudo
Hey Meraki Community, Two different customers over last week reporting WIFI issues. We check the WAP and Meraki, devices are not showing they have any issues. We then check the switch ports which the Meraki is connected to and find it flopping on and off. Event logs show STP change. Both clients have MS120 switches, but client one uses MR33 and client two MR46. All devices have been rebooted and firmware up to date. Any else having this issue? Find it strange this just started happening. Meraki wants us to go factory reset all devices and if it still keeps happening they will RMA. What a PITA.
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06-21-2021
01:21 PM
Yes we did, based on documentation Meraki should be sending over IDS/AMP events. We have some, but the security team is saying they are getting everything except that. I am going to explore with them if the issue is on their side and report back.
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