Meraki switch dns is misconfigured There is not bad DNS or DNS misconfigured messages on random switches despite them all using googles name service (8. 4 to resolve DNS. 4 as the DNS servers. Over the past few days, I have noticed DNS issues on devices connected to the Meraki switch even though pfSense appears to be fine. Thanks for the assistance. I think ill be getting local access to them later and taking a look to get the info straight from the horses mouth. 1 or 8. Aug 30, 2019 · I have a switch thats showing me the exact same alert even though its DNS is configured the same as every other switch on the network. . Use Cisco Umbrella Cisco Umbrella uses the Internet's infrastructure to enforce security and block malicious activity before a connection is ever established. Dec 1, 2019 · By the time I got two switches to talk, I noticed that I had "DNS is misconfigured" alerts on both the switches and the AP's. com. For DNS we have the primary set to an internal DNS server and secoWireless and Mobility, Other Wireless and Mobilityndary set as 8. One of the most common DNS configurations when assigning a static IP address to a Meraki device is to use one ISP-provided DNS server and one well-known public DNS service such as Google (8. 8). Apr 24, 2019 · Hello, Check where is your mismatch, like : if you add the MX84 the Cisco OpenDNS address - 208. I had network, but no Internet. Something down the line is blocking DNS by the looks of it. Dec 5, 2018 · Configured it for the AccessPoint (Wireless - Monitor - AccessPoint) or within the SSID settings (AccessControll)? May 30, 2018 · They don't need a public DNS server. Had this happen in my data center when a switch failed and everything lost connection to the DNS behind said failed switch. The MXs appear fine. Meraki told me to change the DNS to public 8. They are both using exactly the same DNS and on the same subnet which is our switch mgmt subnet so there are no firewall rules blocking DNS or anything else for that matter. If the DNS server is connected to a Meraki switch can you see the connection history of the port and are there any errors shown? Jul 16, 2024 · This is caused by your MR and MS appliances being unable to resolve domain names over the configured DNS servers. Nov 10, 2023 · That indicates the AP itself is having issues reaching the DNS server. Aug 12, 2020 · Hi I just installed a MS210 3 switch stack and 2 MX84s in H/A configuration using 2 ISPs and a VIP for each of those. g. I configured the DNS settings on both the MX uplinks t Jun 12, 2023 · We have 2 MX100's (Primary and secondary) and both have been showing the DNS misconfigured alert for about a week. A client was experiencing intermittent issues on their network. Mar 18, 2020 · You can't delete it, however you can fix it. for being able to talk to the dashboard. Jan 24, 2022 · Apologies for the late reply, but no there is no correlation as far as I can tell. Aug 14, 2017 · We have been experiencing an issue where an 8-Port POE switch keeps rebooting about once every half hour/hour. How can i delete this problem/alert? Thanks Feb 28, 2020 · - The Meraki device is sending DNS request but there is no DNS replies. May 24, 2023 · Then use the command ping to see if the DNS IP responds. That was the resolution given to me by Meraki engineers and it has been solid ever since. 1. Regards Jul 3, 2021 · I tried that, and it did fix the DNS errors on all of the AP's, but the switch is still showing DNS as misconfigured. Jun 8, 2023 · We have 2 MX100's (Primary and secondary) and both have been showing the DNS misconfigured alert for about a week. x. A packet capture shows that DNS requests on both WAN uplinks are not getting responses. Jul 3, 2021 · I tried that, and it did fix the DNS errors on all of the AP's, but the switch is still showing DNS as misconfigured. This alert may also be phrased as "DNS is Misconfigured". The Linksys DHCP service supplies DHCP clients with the same DNS server IP addresses it maintains on its WAN interface. 3. Jun 7, 2023 · Thanks. We have a management VLAN for our switches and the MS350 is the L3 and hosts DHCP with 8. We have been experiencing an issue where an 8-Port POE switch keeps rebooting about once every half hour/hour. The switches, even on days with no one on the network, will alert me that they are having trouble communicating with the meraki cloud. Apr 24, 2019 · Check where is your mismatch, like : if you add the MX84 the Cisco OpenDNS address - 208. All AP can navigated on internet without problem. 8 and 8. Even Cisco Switches in their logs show "Duplicate IP". | Network Engineer Apr 19, 2021 · One switch is fine the other has a DNS issue now. Then it got stranger. Clients will use 8. If my answer solves your problem, please click Accept as Solution so others can benefit from it. Oct 20, 2020 · Configure static DNS on the MX to point to either the same settings that are on the EE router or a public DNS such as 1. Without changing anything with our internal DNS they still seem to alert (typically several at a time), then resolve on t Aug 14, 2017 · I found that when I plugged it into the main switch, the switch port I plugged it into was set for another vlan thereby causing the issue, because when I plugged the switch directly into the firewall all issues seem to resolve. 1 it should then hand that out to clients via dhcp. Aug 30, 2019 · that's quite reasonable but mine is a little bit different. Jun 7, 2023 · We have 2 MX100's (Primary and secondary) and both have been showing the DNS misconfigured alert for about a week. google or any other dns = pages load instantly. 8, to satisfy b Even with a Cisco or Meraki device in place at the gateway or egress, DNS for networks is often handled by DNS forwarders installed on DNS servers within the network environment. Hello, I am looking for some insight into configuring DNS on Meraki Switching VS Meraki MX. The PPPoE service also appears to use the ISP DNS, which seems to override the VLAN DNS settings. I checked with my ISP and they tell me nothing is wrong on their end, and that it's my bandwidth utilization (over 90%), but to have connection interruptions Any public DNS will work but we subscribe to Umbrella. Aug 12, 2020 · DNS settings affect the Meraki box you're configuring, e. It's more likely that something is failing resolution using that DNS server. which would a client attached to one of those switches use, the MX or the MS? Meraki AP DNS Issues So a bit of context; I am new at the company, two weeks in & every day I am finding issues with the network that the MSP has been managing for over 2 years. Updating DNS, trying alternate DNS, checking IP addresses, rebooting switches, etc. Oct 21, 2020 · Configure static DNS on the MX to point to either the same settings that are on the EE router or a public DNS such as 1. Nov 5, 2022 · Hi All, I am getting an alert in AP "DNS is misconfigured". Usually, a VLAN mismatch occurs: After connecting a switch that is not pre-configured to the existing Meraki switch infrastructure; When a network administrator changes the port VLAN settings Oct 26, 2020 · We are upgrading from OLD HP/Aruba switches of various models /ages . Even after a reboot. after changing the DNS in "DHCP"-Settings its fine again. this is my last day report Ability under "General" For security appliances to have an alert setup for "DNS Misconfigured" as this helps to notify of any possibly latency or reason to changes to VPN traffic (especially when using the Auto-VPN feature in Hub/Spoke model). Huh. com and yahoo. My customer is experiencing an issue where the switch stack will alert "DNS is misconfigured, switch disabled" intermittently. We'll see how that works. Using DNS servers located at a data center on existing and new VLANs. We have run the approx 40 switches already deployed for about a month but in the last week and a half we have been seeing Very high STP on ports - and then during the day, we start to see switches alert and say DNS is misconfigured. MX is static of course, the Switch and AP's were static, but since we rolled back, we left them as DHCP for the next attempt. Feb 19, 2018 · Dashboard will report "DNS misconfigured" for the MS425 stack at times and every 15-30 minutes OSPF will flap (generally with both OSPF peers, sometimes just one). Jul 16, 2024 · This is caused by your MR and MS appliances being unable to resolve domain names over the configured DNS servers. Jun 6, 2018 · They just need a valid DNS IP. I have discovered that our firewalls, switches & APs were all misconfigured & have now got the firewalls & switches into a state where DNS is now working. Nov 17, 2017 · I too have DNS issues with meraki. I also rebooted a switch and that didn't help either. Oct 27, 2020 · We are upgrading from OLD HP/Aruba switches of various models /ages . But the Jan 8, 2025 · Overview. AP can not connect outside DNS server directly and we configure ip address of internal DNS server in our AP and we configured internal DNS server provide lookup for meraki. Jul 6, 2021 · I tried that, and it did fix the DNS errors on all of the AP's, but the switch is still showing DNS as misconfigured. There's an option for passthrough IP on the Inseego. If you found this post helpful, please give it Kudos. Oct 6, 2022 · Actually had it happen with a MX67 yesterday. Aug 30, 2021 · I have to admit I am not a fan of Meraki or any cloud based switch for that matter. 8 to see if there is a problem with Open DNS, but no luck. From my testing it is related to the option "use upstream DNS", ISP DNS = pages load instantly. If using internal DNS maybe have a public DNS server like 8. Now the central DNS IP will change, ist there a way to change it for Aug 12, 2020 · Hi I just installed a MS210 3 switch stack and 2 MX84s in H/A configuration using 2 ISPs and a VIP for each of those. Dec 11, 2024 · Integrating the Meraki dashboard and Umbrella DNS allows clients connected behind Meraki security appliances or access points to have their DNS traffic filtered through Cisco's Umbrella DNS service. I notice that my stack switches some of the member switch got this alert message indicate DNS is misconfigure. I've noticed it can appear when there's drops somewhere between the device and the DNS, just enough that it misses enough DNS replies to raise the alert. 8. All AP is configured with IP Static with dns primary 1. Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. The meraki switch says that the DNS is missconfigured, we don't know how to troubleshoot it because its all good with our DNS on the other meraki location. Dec 5, 2018 · Our AP is now connecting the internet via Proxy and Proxy sends DNS query to outside DNS server and it handle the name resolution curretly. Apr 19, 2021 · One switch is fine the other has a DNS issue now. Dec 1, 2019 · By the time I got two switches to talk, I noticed that I had "DNS is misconfigured" alerts on both the switches and the AP's. If I am configuring DNS on the Meraki MX on the network edge under uplink settings, then configuring DNS on each individual switch in my network as well, if I don't use the same settings. Everything was getting resolved by internal DNS, but couldn't get out. May 28, 2019 · After all the switches are boot up after the power failure in the server. Nothing has changed. Apr 6, 2018 · Regarding DNS: Yes it needs DNS. Hi Experts, I have a couple of switches deployed at a remote location where the Internet connection is via 4G, and its very unstable where the connectivity can be lost for almost 2-3 months at a stretch until the next field visit is scheduled (Due to covid frequency has been reduced). After the switch is Dec 1, 2019 · By the time I got two switches to talk, I noticed that I had "DNS is misconfigured" alerts on both the switches and the AP's. That tells me there's an internet connection issue. Jun 25, 2020 · The AP constantly reports misconfigured DNS even though its the same DNS that the Meraki switches use, I have also check for upstream firewall rules and thats not the issue. Is there any correlation between the AP's that flag the alert and wh Jun 1, 2024 · All switches and access points are alerting with Bad DNS. I tried to change one of the DNS settings to 8. 1, or whatever your provider's DNS is)? Are there other Meraki devices on the network? And if yes, do any of them have the same problems? Aug 25, 2020 · Hi two of my MR33 access points are behaving strangely 1st one goes from Online to Alerting every few hours and says IP Address conflict on up-link. Nov 22, 2024 · If using internal DNS maybe have a public DNS server like 8. Aug 12, 2020 · Hello, I am looking for some insight into configuring DNS on Meraki Switching VS Meraki MX. I still have more testing to do. While all my other access points are working fine. 8 on one computer and now it can access to internet. Oct 11, 2022 · Actually had it happen with a MX67 yesterday. 220 / not mandatory but i believe its preferred when specially you using Cisco Meraki AMP - then use the same DNS address down in the stack with every device. A DNS forwarder is a DNS server on a network that forwards DNS queries for external domain names to the OpenDNS servers. com, google. The default option is to use the Upstream DNS, which is provided by your internet service provider. Mar 19, 2020 · i Have a infrastructure with 7 AP Meraki ( six MR74 and one MR33) , but for a month ,i have a problem with yellow alert "DNS is misconfigured". 4, 1. Oct 5, 2020 · Table of contents No headers Cisco Meraki APs alert "DNS misconfiguration" when a Linksys WRT54GS broadband router supplies unresponsive DNS servers via DHCP. 8 as a secondary if your network manager allows the use of external DNS on internal equipment / clients. 220. 1 and dns secondary 8. 8; Mac: Open a terminal, and ping the DNS host the same way a windows user would. DNS misconfigured on switch Jul 3, 2021 · I tried that, and it did fix the DNS errors on all of the AP's, but the switch is still showing DNS as misconfigured. Are you able to test it from the TOOLS page on one of the AP's, try to resolve a URL name etc. We have dozens of MR AP models across our network from 18 to 76. Regards Mohit Dhanjal The path to my switch is Internet -> pfSense -> Meraki. This is for only one AP, rest AP's is showing online. Nov 11, 2024 · Use Google Public DNS Google maintains publicly available DNS servers. This is for only one AP, rest AP's is showing online. I have lots that point to the private IP of my MX (that's also the DHCP server) and they work just fine. Though I would through this here and see if anybody has any suggestions. The network is straight forward ISP Modem > Router > PoE Injecto Nov 5, 2022 · Hi All, I am getting an alert in AP "DNS is misconfigured". What I found was that 1 of our switches and all of our Meraki MR33/MR34 AP's were showing DNS misconfiguration errors. Feb 21, 2023 · Use the Edit menu in the upper right and choose the "Change DNS server" option from the pop up. Best practice is to just use an external IP since it is really only for the switches to check-in to the cloud. Therefore, you will see the "DNS misconfigured" The behavior you are having is not just related on getting an IP address, you should ensure all the traffic coming from the device, the upstream device is able to forward the reply. After setting up the switch with manually configured DNS, I not that the switch is still attempting to resolve names through Google (8. On the Meraki dashboard it is reporting DNS is misconfigured. We can see them going out but there is never a response back. 222 and 208. A DNS server on a network is designated as. Solution i force reboot the switch having this issues by unplug the power cable and plug back. Do you know of a way to change this? Aug 12, 2020 · Hello, I am looking for some insight into configuring DNS on Meraki Switching VS Meraki MX. Maybe we should switch both to Spectrum. Nov 5, 2022 · I am getting an alert in AP "DNS is misconfigured". Can you support why i am getting the same. Perhaps the EE router has had an update that is stopping the MX get DNS settings from it. | Network Engineer Dec 18, 2024 · Meraki devices rely on DNS to resolve dashboard URLs. The Comcast modem will be configured with the default ISP DNS servers, but the Meraki is set to push out Google DNS. which would a client attached to one of those switches use, the MX or the MS? Mar 31, 2018 · The native vlan on the network is 1. Alternatively, Google DNS and Open DNS are built-in selections. Whether internal or external. These are the benefits of Split DNS mode: Aug 30, 2019 · Is this your only DNS or do you have other which can be set? Have this problems some times as well. which would a clie Aug 30, 2019 · I have a switch thats showing me the exact same alert even though its DNS is configured the same as every other switch on the network. The next screen contains several options for configuring the DNS service for your network. Though I would through this here Aug 28, 2024 · Overview . Dec 19, 2018 · Running a Meraki wireless network with a secure SSID for staff. Clients on the network cannot resolve DNS requests but can get to the internet. In the past I have gone into the Comcast modem/gateway and reconfigured to use the same DNS servers as what I'm tell Meraki to use and that has helped. The only common denominator for the alert is that they only come from our MR32 AP's. Nov 15, 2024 · With ‘Split’ DNS Secure Client only allows internal DNS queries via the VPN interface, and only allows external DNS queries via the LAN/physical interface. I have been ma Feb 28, 2020 · - The Meraki device is sending DNS request but there is no DNS replies. Dec 19, 2017 · I have the workstations set to use OpenDNS, and all the VLANs, apart from one which which uses the DNS addresses provided by the ISP that also delivers the TV service (that is what the service expects). That didn't work. Nov 22, 2018 · In my Case, my customer moved their switches from DHCP to Static, When they did that, some of their switches ended up with Duplicate IPs. 222. Mar 1, 2018 · Hello, we have about 900 AP´s in our organisation configured with static IP´s. I have used the "Google machine" and also Meraki's knowledgebase with little to no assistance. They have access to a much more robust event log that will likely indicate why the switch is really rebooting. Jun 12, 2023 · We have 2 MX100's (Primary and secondary) and both have been showing the DNS misconfigured alert for about a week. This is due to the fact that if your internal DNS servers go down, then the device will become problematic or go down completely. Only switches and APs exists on that VLAN. which would a client attached to one of those switches use, the MX or the MS? Aug 10, 2017 · If the switch is rebooting and there isn't anything obvious in the event log, I'd suggest contacting Support. The Cisco Meraki MX Security Appliance uses Dynamic DNS (DDNS) to update its DNS host record automatically each time its public IP address changes. Dec 18, 2024 · If any two connected switch ports belong to Meraki switches in the same dashboard organization, the switch port VLAN configurations are compared. Have you tried other DNS IPs (8. I spent hours trying to diagnose this on the gear. Regards Jun 25, 2020 · The AP constantly reports misconfigured DNS even though its the same DNS that the Meraki switches use, I have also check for upstream firewall rules and thats not the issue. Jun 24, 2020 · The AP constantly reports misconfigured DNS even though its the same DNS that the Meraki switches use, I have also check for upstream firewall rules and thats not the issue. The other MS225 switches will occasionally report issues as well around the time OSPF flaps as OSPF provides the default routes to the MS425 stack (which is the gateway for all other DNS misconfigured on switch by Mike_Rapp on Meraki MS switches interoperability by Boomer on Aug 7 2017 11:39 PM Latest post on Aug 8 2017 11:11 AM by May 5, 2022 · Got it hooked directly to a DIA Ethernet circuit. Tried multiple restart, changed the rstp root setting to this switch (it changed by itself many times). 2nd one says DNS Misconfigured. I think Meraki has a fallback in case DNS can‘t be resolved, they try very hard to get to the dashboard 🙂 I recommend configuring DNS server on the switches (and other Meraki gear) you can always reach, like 8. If a device reports issues with its DNS configuration, typically the device is not receiving responses to DNS requests. That does not affect your client devices at all, these would receive their DNS settings via DHCP (possibly). These are the only Meraki switches on the network currently, everything else is Cisco. | Network Engineer Mar 18, 2020 · Hi, i Have a infrastructure with 7 AP Meraki ( six MR74 and one MR33) , but for a month ,i have a problem with yellow alert "DNS is misconfigured". But in support of a Client, I have recently installed an MS225-48FP. Kaleb Mohr, CCNA. The duplicated IP switches remained "online" in the dashboard, and showed "disabled Switch Bad DNS". I ha Jun 7, 2023 · Thanks. This article describes best practices for configuring DNS servers on the WAN interfaces of all Cisco Meraki products. 67. I setup the DNS to 8. Recently there has been an issue with the MR32s alerting and specifying that the DNS is bad and/or misconfigured. I have the DNS of my Meraki switch set to the pfSense box, but the pfSense box isn't guaranteed to be on/working. Our AP is now connecting the internet via Proxy and Proxy sends DNS query to outside DNS server and it handle the name resolution curretly. The path that the switches would take out to the internet is through a Cisco switch stack and the trunk between the 425's and Cisco allows all vlans. Use upstream which broadcasts the gateway ip as the dns server and then sends the traffic upstreme to the ISP,s dns is where the issue lies. If the DNS server is connected to a Meraki switch can you see the connection history of the port and are there any errors shown? Aug 12, 2020 · Hi I just installed a MS210 3 switch stack and 2 MX84s in H/A configuration using 2 ISPs and a VIP for each of those. 4. Jul 16, 2024 · Try setting a public DNS IP manually. DHCP is at the MX, DHCP scopes are defined for the old and new VLANs. In addition to the MX250 going off line randomly, I get a DNS misconfigured message that cycles through the 5 switches attached. Aug 10, 2017 · We have been experiencing an issue where an 8-Port POE switch keeps rebooting about once every half hour/hour. Apple remote desktop software is having issues with many deivces now reporting authentication issues. 4 so you have clean DNS in case the tunnel or your server internally does not work. which would a client attached to one of those switches use, the MX or the MS? Apr 28, 2022 · Got it hooked directly to a DIA Ethernet circuit. May 30, 2018 · They don't need a public DNS server. How can i delete this problem/alert? Thanks Aug 19, 2022 · All Meraki gear - MX84, MS225-48LP, and MR33's. May 24, 2021 · DNS is outside because at the time we deployed them we didn't have an available internal DNS server. Both are down. Apr 28, 2022 · Got it hooked directly to a DIA Ethernet circuit. which would a client attached to one of those switches use, the MX or the MS? Aug 10, 2017 · We have been experiencing an issue where an 8-Port POE switch keeps rebooting about once every half hour/hour. How can i Jan 19, 2022 · The DNS bad or misconfigured alert can sometimes be a bit of a red herring. which would a client attached to one of those switches use, the MX or the MS? Aug 30, 2019 · I got alert from the dashboard saying "DNS is misconfigured" and on WAN 1 it has "Failed" status yet I have internet connectivity and my server is reachable outside my network and over the internet. Aug 25, 2020 · MR33 - DNS Misconfigured & Uplink IP Address conflict with another device Hi two of my MR33 access points are behaving strangely 1st one goes from Online to Alerting every few hours and says IP Address conflict on up-link. If the DNS were Google, the command would look like this ping 8. x). We are upgrading from OLD HP/Aruba switches of various models /ages . Try setting DNS to a public IP such as 1. Jun 6, 2018 · Auto-suggest helps you quickly narrow down your search results by suggesting possible matches as you type. The primary and secondary DNS servers for all of these are set to our two internal domain controllers with DNS server running. The issue started 5 hours ago and is happening at different sites with separate internet connections. Most of our internal traffic is rou Jun 1, 2024 · All switches and access points are alerting with Bad DNS. Notice: Split DNS mode is only available when select "Only send traffic going to these destinations" (Split-Include) under Traffic Steering. I thought that if I disconnected the new switches the problem would go away since it was their installation that caused it. We do use Spectrum (our ISP) DNS on the WAN1 uplink and use Google DNS on the WAN 2 Uplink. This feature is useful because it allows the administrator to configure applications such as client VPN to access the MX by its hostname which is static instead of an IP address that may change over time. There are various different switches on different sites that have this issue. I'm wondering if it's just an issue with the switch or something, because I have tried completely disabling the rules I put in place and the switch always reports DNS misconfiguration. In the past couple of weeks, I have been seeing a lot of DNS issues but the end users are seeing Traffic pass normally so I didn’t worry about it Aug 12, 2020 · Hello, I am looking for some insight into configuring DNS on Meraki Switching VS Meraki MX. can't find any resolution on this. The Meraki AP has an IP address on the secure subnet which is permitted on the WAN. Using google DNS at this point. Upon checking the MX80 appliance status, it was red, with "DNS is misconfigured". An echo response means the ping was successful, and the DNS provider is indeed reachable.
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