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  • About RaphaelL
RaphaelL

RaphaelL

Kind of a big deal

Member since Nov 22, 2018

7 hours ago

Raphael Letourneau

Quebec, Canada

Raphael , 27 years old , working as a network engineer in Canada. Been in IT for the past 9 years. Currently working with Meraki products for the past 4 years.

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Community Record

1073
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936
Kudos
69
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Latest Contributions by RaphaelL
  • Topics RaphaelL has Participated In
  • Latest Contributions by RaphaelL
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Re: MX - Do MX care about DHCP option 26 ?

by Kind of a big deal RaphaelL in Security / SD-WAN
10 hours ago
2 Kudos
10 hours ago
2 Kudos
I was a bit wrong.  The MX will honor the value but it won't perform MSS clamping , which I'm trying to confirm with Support if that's the expected behavior. ... View more

Re: MX - Do MX care about DHCP option 26 ?

by Kind of a big deal RaphaelL in Security / SD-WAN
Thursday
Thursday
Edit :    I tried a more common MTU value ( 1492 = PPPoE ) and still the MX won't honor it :    Might have to try with a different firmware version ( running 18.107.4 and 18.107.5 ) ... View more

Re: unable to use getOrganizationInventoryDevices.serial(organization_id) ...

by Kind of a big deal RaphaelL in Developers & APIs
Thursday
Thursday
Hi , Have you tried removing the .serial from the line result = dashboard.organizations.getOrganizationInventoryDevices.serial(organization_id) ... View more

Re: MX - Do MX care about DHCP option 26 ?

by Kind of a big deal RaphaelL in Security / SD-WAN
Wednesday
Wednesday
I have a packet capture running on the "WAN" side of the MX and I can see the MX sourcing packets > 1400 bytes. It "should" be using my option 26 which is set to 1280.  ... View more

MX - Do MX care about DHCP option 26 ?

by Kind of a big deal RaphaelL in Security / SD-WAN
Wednesday
Wednesday
Hi ,   I'm trying to test DHCP option 26.    I have 1 DHCP device ( another MX ) configured with DHCP option 26 with a value of 1280. My second MX ( the DHCP client ) sends a DHCP Discover ( D-O-R-A ) and requests in DHCP option 55 ( PRL ) the option 26.  The DHCP server responds ( D-O-R-A ) with the option 26 , but the MX ends up ignoring that value. The MTU stays unchanged. I'm wondering if that has ever worked or simply bugged in MX18.107.x       ... View more
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Re: Meraki MS - STP

by Kind of a big deal RaphaelL in Switching
Wednesday
Wednesday
That's because Meraki thinks that it is a normal condition. You probably don't have BPDU guard on that port , hence you don't have any warnings.    In that case , I don't think you will be able to spot those via the API. ... View more

Re: MX Content Category vs Threat Category

by Kind of a big deal RaphaelL in Security / SD-WAN
a week ago
5 Kudos
a week ago
5 Kudos
Hi , They are different and you should probably apply both. https://documentation.meraki.com/MX/Content_Filtering_and_Threat_Protection/Content_Filtering_Powered_By_Cisco_Talos   They are also listed on Talos Website. https://talosintelligence.com/categories#contentcats ... View more

Re: Troubleshooting VLAN Printer Sharing Issue on Meraki Network

by Kind of a big deal RaphaelL in Dashboard & Administration
2 weeks ago
1 Kudo
2 weeks ago
1 Kudo
Go to your firewall settings of that MX100 :        Do you see any L3 firewall rules ? :       You will need atleast one rule to allow the flow between your workstations on vlan 200-300 to your vlan 100. You can add an 'allow any any any' rule to see if that works , and adjust the details later. ... View more

Re: Meraki MS - STP

by Kind of a big deal RaphaelL in Switching
2 weeks ago
3 Kudos
2 weeks ago
3 Kudos
An orange port like that one will show up as a 'error' or 'warning' :    {"portId":"13","enabled":true,"status":"Connected","isUplink":false,"errors":[],"warnings":["BPDU guard activated, STP discarding packets"],"speed":"100 Mbps","duplex":"full","usageInKb" https://api.meraki.com/api/v1/devices/{'serial'}/switch/ports/statuses    I have to "thank" my users for that example... haha ... View more

Re: Troubleshooting VLAN Printer Sharing Issue on Meraki Network

by Kind of a big deal RaphaelL in Dashboard & Administration
2 weeks ago
1 Kudo
2 weeks ago
1 Kudo
Can you telnet the printer on some port ? 515 , 9100 or any other printing ports used by your printer ? Are you sure that you don't have any L3 firewall rules blocking that type of trafic ? ... View more

Re: Python Library v1.37.1 🐍✌🏼1️⃣⏺️3️⃣7️⃣⏺️1️⃣

by Kind of a big deal RaphaelL in Developers & APIs
2 weeks ago
2 Kudos
2 weeks ago
2 Kudos
Hey @PhilipDAth , I think it is now fixed in 1.37.2 https://github.com/meraki/dashboard-api-python/releases/tag/1.37.2 ... View more

Re: Meraki MS - STP

by Kind of a big deal RaphaelL in Switching
2 weeks ago
2 weeks ago
It would be : https://developer.cisco.com/meraki/api-v1/get-device-switch-ports-statuses/   You would see the port status ... View more

Re: Devices shown incorrectly - the never ending story

by Kind of a big deal RaphaelL in Switching
2 weeks ago
1 Kudo
2 weeks ago
1 Kudo
Not only that , but the default behavior for templates and standalone networks is different.   That means you have to check every single network and templates to make sure that it is disabled. This used to be a backend option 🙂 ... View more

Re: Web Browsing Stops - Cannot Ping Default Gateway. Zoom and RDP keep wo...

by Kind of a big deal RaphaelL in Wireless LAN
2 weeks ago
2 weeks ago
Hi ,    We need a bit more info on your setup. WPA2-Enterprise ? What firmware ? Anything in Wireless Health ? ... View more

Re: Non Meraki Site - To - Site Vpn

by Kind of a big deal RaphaelL in New to Meraki
2 weeks ago
2 Kudos
2 weeks ago
2 Kudos
https://documentation.meraki.com/MX/Site-to-site_VPN/Troubleshooting_Non-Meraki_Site-to-site_VPN_Peers  Non-Meraki VPN connections are established using the primary Internet uplink.  In the event the primary uplink fails, the VPN connection will use the secondary Internet uplink.   Closest I could find ... View more

Re: Devices shown incorrectly - the never ending story

by Kind of a big deal RaphaelL in Switching
2 weeks ago
3 Kudos
2 weeks ago
3 Kudos
Do you have client sampling enabled on uplinks ? ... View more

Re: MXDevice Swap of WAN Ports

by Kind of a big deal RaphaelL in Security / SD-WAN
2 weeks ago
2 weeks ago
If you are load balancing , I don't see the need to swap the cables. As stated just adjust the settings in your flow preferences / Shaping and uplink selection ... View more

Re: MR30.5 is out - Many fixes !

by Kind of a big deal RaphaelL in Wireless LAN
2 weeks ago
2 weeks ago
It is not the fix that I have been waiting for ! ... View more

MR30.5 is out - Many fixes !

by Kind of a big deal RaphaelL in Wireless LAN
2 weeks ago
4 Kudos
2 weeks ago
4 Kudos
Important note While Meraki APs have traditionally relied on UDP port 7351 for cloud communication, and TCP ports 80 and 443 for backup communications, with MR 28+ we are beginning the transition to using TCP port 443 as the primary means for cloud connectivity. In order to ensure proper connectivity to the Meraki cloud after this upgrade, please ensure that all “Meraki cloud communication” traffic specified in the "Help" > "Firewall Info" page is allowed through any firewalls or security devices that are deployed upstream of your Meraki APs. These requirements have been updated in November of 2022, so it is important that you review them. (Wi-Fi 6 and Wi-Fi 6E APs) WEP deprecation (https://documentation.meraki.com/MR/Encryption_and_Authentication/WEP_Deprecation_on_MRs) Legacy product notice When configured for this version, MR12, MR16, MR18, MR24, MR26, MR32, MR34, MR62, MR66, and MR72 will run MR 26.8.3 Bug fixes General stability and performance improvements WPA3 OWE AKM suite missing in beacons Incomplete configurations when using VLAN profiles Intermittent connectivity loss for Windows client devices When using WPN, DHCP requests are missing option 55 Known issues Sporadic packet loss & instability on Layer 3 roaming & Teleworker VPN SSID's (Wi-Fi 5 Wave 2 and Wi-Fi 6 APs) In high capacity wireless networks APs may experience instability when the “Client Balancing” or "Band Steering" feature are enabled         Could that be the magic fix that I have been waiting for months !? ... View more

Re: Complete list of responses from Cellular connectionType

by Kind of a big deal RaphaelL in Developers & APIs
2 weeks ago
2 weeks ago
I don't have the answer sadly , but I would guess 4G, LTE and 5G ? I will check if I have any MG around. ... View more

Re: MX HA - VRRP

by Kind of a big deal RaphaelL in Security / SD-WAN
2 weeks ago
2 weeks ago
According to RFC, the first 3 octets are derived by OUI, and from OUI lookups cc:03:d9 and 88:15:44 are Cisco Meraki. Hence, RFC is followed.   Which RFC ? Because VRRP RFC states that there is already an official IANA OUI reserved for VRRP.   The next two octets (00-01) indicate the address block assigned to the VRRP for IPv4 protocol ... View more

Re: Syslog nightmare

by Kind of a big deal RaphaelL in Security / SD-WAN
3 weeks ago
3 weeks ago
I agree. By "Meraki's limitation" I meant to limited segmentation between flows (start/end) and firewall rule logging.    By disabling the flow start/end , that would solve 90% of my issues. ... View more

Syslog nightmare

by Kind of a big deal RaphaelL in Security / SD-WAN
3 weeks ago
3 weeks ago
Hi ,   We are currently busting our SIEM capacity due to Meraki limitation regarding syslogs.    Eg : We have a client connected to an MR36 AP and the traffic is routed by an MX68. Syslog is enabled for flows,Urls. Logging is enabled on the rule. MX version is 18.107.5   Doing a get to www.microsoft365.com will generate : 1 "flows" on the AP and the MX 1 ip_flow_start on the MX , 1 ip_flow_end on the MX , 1 'URLS' on the AP  1 'URLS' on the MX 1 'firewall' on the MX.    7 syslog event for a simple get. Mutiply that for 40K users and we have our nightmare.      1- Removing the 'logging' for the web browsing rule will only remove the 'firewall' logs. 2- Removing 'flows' from the syslog configuration will remove ALL ip_flow AND firewall logs   Ughhh , I can't seem to be able to find a solution.    ... View more
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Re: MX HA - VRRP

by Kind of a big deal RaphaelL in Security / SD-WAN
3 weeks ago
3 weeks ago
Well it all begins with Meraki not following RFCs.    https://documentation.meraki.com/MS/Layer_3_Switching/MS_Warm_Spare_(VRRP)_Overview The virtual MAC address will always begin with 88-15-44 The screenshot of the documentation shows otherwise , and your packet captures will show otherwise.    If my memory serves me right , I had 2 posts. My MX450 and MX250 were behaving "the Meraki way" but a MX68 HA wasn't.     https://datatracker.ietf.org/doc/html/rfc5798#section-7.3 The virtual router MAC address associated with a virtual router is an IEEE 802 MAC Address in the following format: IPv4 case: 00-00-5E-00-01-{VRID} (in hex, in Internet-standard bit- order) The first three octets are derived from the IANA's Organizational Unique Identifier (OUI). The next two octets (00-01) indicate the address block assigned to the VRRP for IPv4 protocol. {VRID} is the VRRP Virtual Router Identifier. This mapping provides for up to 255 IPv4 VRRP routers on a network In real world : cc:03:d9:xx:xx:xx  Documentation : 88:15:44:xx:xx:xx RFC : 00:00:5E:00:01:XX   Bit confusing eh ? ... View more

Meraki Insight - Global Outage - Speed Tests

by Kind of a big deal RaphaelL in Meraki Insight
3 weeks ago
3 weeks ago
Hi ,   It seems like there is a global outage touching Meraki - Insight ( WAN Health ) - Speed tests :        Tried multiple shards , Orgs , Network , devices ,  users , browsers , computer and so on. It is not a client-side issue.   Opening a ticket. And once again this should be added to https://status.meraki.net/ ...      Cheers ,  ... View more
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Kudos from
User Count
CptnCrnch
Kind of a big deal CptnCrnch
81
PhilipDAth
Kind of a big deal PhilipDAth
199
RichPekarsky
RichPekarsky
2
Matt_C
Matt_C
1
Pavan_Pawar
Pavan_Pawar
1
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Kudos given to
User Count
Badr-eddine
Badr-eddine
4
ww
Kind of a big deal ww
54
sthanhlam
Meraki Employee sthanhlam
2
pmhaske
Meraki Employee pmhaske
4
Ryan_Miles
Meraki Employee Ryan_Miles
59
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My Accepted Solutions
Subject Views Posted

Re: MX Content Category vs Threat Category

Security / SD-WAN
69 a week ago

Re: Meraki MS - STP

Switching
175 2 weeks ago

Re: Devices shown incorrectly - the never ending story

Switching
181 2 weeks ago

Re: devices that are linked to configuration templates

Developers & APIs
163 4 weeks ago

Re: Content filtering question

Security / SD-WAN
150 ‎08-08-2023 07:56 AM

Re: Dashboard messages for devices that are "alerting"

Developers & APIs
262 ‎07-12-2023 06:07 AM

Re: which Insight apis are available for WAN Healh and applicatio health s...

Meraki Insight
223 ‎07-11-2023 06:49 PM

Re: Firewall Logs

Security / SD-WAN
411 ‎07-11-2023 12:21 PM

Re: Firmware Versions?

Developers & APIs
282 ‎07-10-2023 08:57 AM

Re: VPN Registry Disconnected after Firmware Ver 17.10.2 to Latest Ver 18.1...

Security / SD-WAN
313 ‎07-10-2023 05:11 AM
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My Top Kudoed Posts
Subject Kudos Views

Re: Recognizing August's Members of the Month

Community Announcements
15 1491

MS 15.18 Changelog

Switching
11 2558

Re: Recognizing February's Members of the Month

Community Announcements
11 2608

Re: More achievement badges UNLOCKED! ✅🏆

Community Announcements
9 1176

MX - Updated Network performance benchmarks !

Security / SD-WAN
8 424
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