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About TheITWay
Community Record
27
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32
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1
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May 20 2020
10:26 AM
Hola @Ditra, Estaba observando tu captura y todo lo que aparece es tráfico unidireccional. Si tu no filtraste la captura, al parecer el tráfico de vuelta desde el servidor no le esta llegando a tu máquina. Si ese es el caso, te recomiendo tomar una captura en la LAN y WAN del MX para comparar los paquetes y asegurarte que el tráfico de vuelta le este llegando al cliente.
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May 19 2020
7:35 AM
Hello @mugrene , If you are using default VLAN, then you should go to the clients you would like to use that group policy on and assign the group policy, you can do that in the client list and clicking on the client. Ensure that the group policy is either appending or overriding what you have in the default section, whatever is preferred for you. Let me know if that helps.
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May 16 2020
9:19 AM
5 Kudos
I have been working with Cisco Meraki devices for quite a long time and it has been hard to find training videos or tutorial on how to configure the devices/features or the best way to troubleshoot some issues. Since I have become more experienced with the entire stack, I think that it was time to help the community and provide the help that I was looking for previously. The time has come! a brand new training video series to ramp up your Cisco Meraki configuration, deployment and troubleshooting skills! If you find yourself in one of these stages, this training is for you: - I am starting using Cisco Meraki gear and I would like to know more - I am working with Cisco Meraki devices but I want to increase my troubleshooting skills to effectively resolve issues - I have good experience maintaining Cisco Meraki networks and I want to automate the implementation and configuration of the sites. In these trainings videos, you will encounter different sections through the weekly updates: - [How] to configure Cisco Meraki devices and features - [Tshoot] different issues and most common scenarios - Meraki highlights of the upcoming features and beta firmwares I am really excited to start this journey with you and help you become the Meraki Master you can be. You can go to the youtube channel and subscribe to be on top of the weekly videos and news. The IT Way channel Cisco Meraki Training See you there.
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May 14 2020
10:42 AM
Hola Alejandro, Bienvenido a la comunidad. Tenemos una comunidad en español donde podemos conversar, puedes preguntar y colaborar con nosotros.
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May 11 2020
10:08 AM
Hello @mugrenel, At this time, the content filtering section is applied to all the clients passing traffic through the MX. It does not have a configuration way to differentiate or schedule the filtering. However, it can be achieved using group policies ad mentioned previously. The change will be adding all the configuration you want to the group policy and override the default content filtering, or appending the previous default config with the new categories you would like to block. Regarding the scheduling, the group policies allow you to set the time when the group policy will be implemented. Selecting the time and assigning that group policy to your VLAN, it will make lunch and breaks better for the users. If you would like to know more regarding Meraki features and troubleshooting tips, you can check this out.
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May 11 2020
9:47 AM
4 Kudos
Continuing with the goal of simplifying everything in Cisco Meraki, I am creating some videos in order to help everyone to configure and troubleshoot technical issues during the tests, implementations or integrations with different features. This time I covered RADIUS integration with Cisco Meraki MX, MS and MR. These videos will go from basic RADIUS configuration for any Meraki device to the most common issues you might encounter and how to address them. Take a look if you would like to know more about Meraki integrations and troubleshoot tips using the dashboard. RADIUS configuration RADIUS troubleshooting _________________________________________________________________________________________ If you would like to know more about Meraki features and troubleshooting tips, check this out.
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May 9 2020
2:32 AM
3 Kudos
Hola kYutobi, Soy dominicano también 🇩🇴 y me adoptó Londrés 🇬🇧. Bueno saber que tenemos representación aquí. Sería bueno mantenernos en contacto.
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Feb 28 2020
7:45 PM
1 Kudo
Welcome Humayun! I hope you can find the Meraki Comunity useful.
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Great! I am glad that you were able to find the problem. Everything was pointing out to an upstream issue :). The next time you have this kind of behavior, you can use my last point as reference for troubleshooting. I am glad that you cleared this out. Until the next one then.
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3. With a WLC, you have another device to worry about regarding security, configuration, redundancy, energy consumption and hardware failure. 4. Increasing the number of APs could bring the problem of buying new WLC that can support such amount of devices
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Hello DHAnderson, Probably the Native VLAN configuration is not allowing the Meraki Switch to reach out to the internet properly. I would go and configure the uplink port in the local status page of the Meraki switch as an access port in any VLAN (or the VLAN that is configured in the upstream router if it has one) and provide a static IP address to ensure it is not expecting any trunk negotiation and just send regular traffic as any endpoint. If that does not work, then you will need to configure both ports the same. Let me know if that works...
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Feb 17 2020
1:43 PM
2 Kudos
Hello @Johnfnadez, The Security Appliances do not limitation regarding the number of VLANs allowed. That will depend on the memory and the CPU utilization and other features you are running as well (content filtering, threat protections, VPN tunnels, etc). What kind of issues are you having in those VLANs: - Is the MX not providing IP addresses? + Did you take pcaps to see if there are DHCP Discovers and Offers? - Does the MX say that there are not available IP addresses? + Did you check the DHCP section in the Appliance Status and the IP reservations in the DHCP section? - The MX does not provide IP leases at all? + Did you check the DHCP configuration for that VLAN? You can find more information about the MX84 and the comparison against other MXs here: https://www.lonsys.co.uk/wp-content/uploads/2016/11/meraki_whitepaper_mx_sizing_guide.pdf
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Feb 15 2020
7:51 AM
1 Kudo
Hola @jhonrojas, Bienvenido a la comunidad. Aunque no puedas ver una sección en el foro para español en específico, los que hablamos español somos muchos 🙂 . Ten la libertad de realizar preguntas en el español y te responderemos sin problemas. Si quieres comenzar a aprender sobre Meraki, lo mas recomendable es el portal de documentación oficial. www.docs.meraki.com. Si te interesa aprender como configurar paso a paso las características mas comunes de los equipos, puedes visitar el canal debajo. https://www.youtube.com/channel/UCl04umLIPXkjLD84BKLTrEA Me dejas saber si me interesa algo mas.
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Good that you have the pcap, I notice the following: - There is no DHCP request coming from the Meraki device + If it is not in the pcap, could be that the Meraki device does not like the offer or the packet itself, check the MAC and VLAN info in that packet - The Meraki device is not getting ping replies. Therefore, it will flag an error message such as "Bap IP assignment" or "Bad connectivity". - The Meraki device is sending DNS request but there is no DNS replies. 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. Everything points out you have an issue upstream. Let me know what you find in your investigation.
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Regarding the pcap: - I would recommend you to download the pcap instead of looking at it on the dashboard. + Inside the pcap, take a loot at the DNS traffic and ensure it has the proper Src:Dst MAC, IP and VLAN. Regarding the "Bad IP assignment configuration": - This can be addressed in the same pcap as well, verifying Src:Dst MAC, IP and VLAN of the packets - Since the device is getting IP from DHCP, ensure you do not have any static IP assignment. If there is a discrepancy, you will have that message. The pcaps can show the discrepancy as well. Your best choice to find the solution is having a pcap in the upstream port and check the traffic from the device. 99% of these problems come from configuration of the static IP assignment, and VLAN. You can try as well changing the DNS to google and check if the issue persists.
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Feb 12 2020
11:23 AM
No hay muchos cursos disponibles en el momento acerca de Cisco Meraki fuera de Cisco. Ellos tienen cursos internos de entrenamiento y webinars que te pueden ayudar a comenzar a entender el dashboard y los equipos. En la pagina debajo tienes los correos donde te pueden ayudar a saber cuando y donde van a proveer los entrenamientos futuros. https://documentation.meraki.com/zGeneral_Administration/Support/Contacts_for_Webinar_and_CMNO%2C_CMNA%2C_ECMS_Equipment En adición al enlace de arriba, puedes visitar el canal debajo para ir familiarizandote con los equipos y aprender a hacer troubleshooting. https://www.youtube.com/channel/UCl04umLIPXkjLD84BKLTrEA
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Feb 9 2020
11:35 AM
7 Kudos
Saludos Merakianos, Aunque no lo parezca, hay una comunidad grande de hispano-parlantes en este foro. Si tienes alguna duda en cualquiera de los productos, no dudes en proveer tus preguntas en español que con mucho gusto te ayudaremos.
Si no encuentras respuestas rápidas, no dudes en agregarme con @TheITWay para que me llegue una notificación y así ayudarte más deprisa.
Los espero ver por aquí pronto.
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Feb 8 2020
6:26 AM
Hello @rarodrigo I think this video can help you with your Umbrella Integration. https://youtu.be/xHLk9bAUkSw Let me know if it was helpful.
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Feb 8 2020
6:20 AM
Hola @BaxterGisi , Tu tienes algun SSID configurado para usar la VLAN 124 con un DHCP server? Si tienes los troncales configurados como VLAN nativa 121 y los APs configurados como DHCP sin nada adicional, los APs tendran una IP de VLAN 121. Pero si los clientes conectados en los SSIDs piden una IP en VLAN 124 y no la reciben, puedes ver el mensaje que VLAN 124 tiene problemas. Me dejas saber si ese es tu problema
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If you are receiving DNS error message, focus completely on that. Take pcaps in the uplink port of the switch and follows the DNS server traffic. That could be for two main reasons: - The switch is not receiving DNS responses from the DNS server. You should see the DNS requests form the switch and follow that traffic to understand where the problem is coming from. - The switch is receiving DNS responses with a different VLANs ID and it is dropping the traffic (very unlikely). Everything should be clear with a pcap. If you like, you can upload the pcap here and I can help you to analyze it.
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Yes, the link should be configured the same. If you have VLAN 333 upstream, you should configure VLAN 333 in the switch as well. Let me know if that clears the warning message
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Feb 6 2020
11:20 AM
If the WAN of the MX is not getting an IP, probably something with DHCP is not good. I would reboot the MX to trigger the DHCP process again. If that does not work, you can take pcaps upstream to identify if the MX is sending DHCP discovers to the switch requesting an IP address. If you do not see those packets after a reboot or factory reset, it is time to call Support.
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Feb 6 2020
11:16 AM
Hello chwhite, The MX450 can work as a firewall depending on how you are connecting it to the network. You have two options in the Addressing and VLANs section ( Routed or Passthrough). Could you please mention which option you have? Additionally, all the MXs need an internet connection to talk to the cloud and be managed on the dashboard. The MX will use the WAN interface to get an IP address to reach out to the cloud. You should ensure that the WAN interface is connected to the internet. After that the MX can act as a firewall from all the traffic that is traversing the device, could be from the LAN side to WAN or inter-VLAN traffic. To help you in this one, we need to bring the MX online first.After that, we can continue talking on how to setup the firewall 🙂 .
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Feb 6 2020
11:07 AM
2 Kudos
Hello simworksbrian I think I am in the same path as you. I would love to know if there is a secret phrase we can say to the reps to get wonderful swag. So far the phrase that I have found effective is "I would like to know more about Meraki". They normally provide some interesting items if you participate in webinars, CMNA training or going to the events. Apart from that, you should create a close relationship with your rep to get some swag. Since I am in the same quest as you, please let me know if you find a way and I will be delighted to be your partner in crime.
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Hello Trabel, If you are having the bad gateway warning, it means that the Switch is not having a reliable connection stream. The Meraki devices have a continuous communication to the cloud and they keep monitoring the network to ensure is reliable. They make some tests to ensure it has connectivity all the way. Some of those tests are ARPs, DNS and pings. I would recommend you to check which one of those is failing, most likely is related with the ARP and your gateway configuration. The easiest way to find out is taking packet captures in the uplink of the switch and analyze the traffic to see why the connection to the gateway is failing. If you check that the connection from the switch to the cloud is good, you can take packet captures form the dashboard, otherwise would be from the upstream device. That would be easier if you have an MX upstream, you just have to take pcaps from the LAN of the MX. I have seen these error messages when there is a static IP assignment that is not properly configured (wrong gateway or VLAN). You will be able to see that easily with pcaps as well. You can find additional information regarding the connectivity checks here. Even though the kb mentions about the MX, the switches monitors the network the same way: https://documentation.meraki.com/MX/Firewall_and_Traffic_Shaping/Connection_Monitoring_for_WAN_Failover#Connectivity_Tests
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