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scrapiron
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Member since Sep 13, 2017
03-12-2019
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12-05-2018
01:28 PM
I opened a case with Meraki and they provided a detailed response with some suggestions about using ACLs on the switch to try to block but in the end said there wasn't much I could do as it would have profound effects on wireless clients. Open-Mesh suggested turning off Mesh since I am not using it (which I had done) and they also were kind enough to disable the bluetooth presence reporting on the back end which really hasn't made much difference. I eliminated the second SSID which cut it in half. But the best thing to do is restrict the view to restrict the network clients to just "Security appliance clients only" which removes them and returns the view refresh back to normal snappiness. It was then I realized these Arps are not making it to the MX; just the switches. Woo Hoo!!
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12-02-2018
06:50 AM
There are 45 APs total and all are wired into ms-120 switches. I have disabled the mesh feature on cloud-trax as we don't use it but the gratuitous arps keep coming. Creating VLANS is no problem but the MX will still list the arps as separate clients in the dashboard. I don't think the traffic they produce is a problem and wouldn't really consider it to be a storm although I could be wrong. It just fills up the arp table and skews the reporting. It also makes viewing the dashboard clients incredibly slow as it builds the list of 50K clients to display. It's not too late to send the 120s back and upgrade if you think it would help. I'm just really trying to stop the arps at the switch port from making it to the MX. Open-Mesh said it was a problem with Meraki as they should be able to ignore gratuitous arps.
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12-01-2018
02:52 PM
Client is small hotel with 40 rooms. Since the building is a 5 story solid concrete (literally all walls and floors are 6" thick) building, they have a Open-Mesh AP in each room. They were having problems and hired me help improve things so I tossed the crappy unmanaged switches and installed 4 MS-120 24P switches and MX65. Within an hour, the dashboard showed over 10k mac addresses on the network mostly due to the APs sending constant gratuitous arps which enable the APs to "mesh". I have disabled the mesh feature in cloud-trax (their cloud manger) but they still continue to do it and Open-Mesh said it can't be shut off and to control it from the switches. Anybody know how I could prevent these from hitting the MX? I was thinking about creating a MAC whitelist for each port containing the address of the AP it powers. The APs are doing NAT for wireless/wired guests but bridging to operations VLAN for staff, IoT devices and corp traffic on the second SSID. I've already pitched replacing them with 45 MR-30H's which didn't go over very well. :) thanks.
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09-17-2018
09:56 AM
I've deployed both Meraki and Cradlepoint. Cradlepoint is going to hold up much better. The IBR1100 is shock, dust, vibration proof. Takes DC power (12-36v) has GPIO options to shutdown after x amount of time so battery doesn't drain out. I love Meraki, but if you want a Bullitt proof solution for mobile fleets, you go with Cradlepoint. Now, if I could just get the Cradlepoint to act as a VPN peer to our MX at the office.
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10-16-2017
11:53 AM
I often demo Meraki equipment for new or existing clients. If they want to commit, I will set them up with a order# and create a new Organization within our MSP dashboard. Moving them while keeping the same equipment to a new Org is always a crapshoot and often means we need to run around and restarreset the hardware. Is there a preferred method of doing this such as device order (MX first, then MR and MS)? I usually try to wait 15 minutes from the time remove the serial numbers from inventory (unclaim) and claiming them in the new org. This goes easy enough but the devices often do not pull down the new config and become unresponsive at which point I need to fiddle with it. I've tried doing this in a lab environment and got mixed results. Anyone have a reliable step-by-step technique?
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10-11-2017
04:13 PM
Good point about grounding. Can you share any tips or best practices you implement. The Installation guide is weak in my opinion. I usually attached the Green grounding strap to the AP ground lug. I then run a ground from the same lug to ground using 14 gauge or better wire. Would using Shielded and properly grounded ethernet runs suffice or do you always have to ground the AP with a separate wire?
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10-10-2017
09:45 AM
Deploying a bunch of MR66s in the rain today and seriously wondering if these pretty white Meraki boots at the base of these ma-ant-20s is going to cut it. Does anyone apply anything a bit more durable? These are going to be getting marine sun wind and rain for years to come. Thanks.
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10-03-2017
02:36 PM
This is some kind of configuration issue. I tried a new MR33 and it didn't work either. I have also tried using AC and 802.11at injectors plugged into the MR33 that is connected to Port 1 of the 30H. Heck, I even inserted another Meraki MS-220-8P between the 30H and 33. Hardwiring my laptop in Port 1 works perfectly. Are MR APs supported when plugged into MR30Hs? All mine just blink amber after giving up after 2-3 minutes.
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10-03-2017
02:23 PM
Yes. The MR30H is plugged into MS-225-24P and advertising 30Watts
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10-03-2017
01:40 PM
The MR30H is powered with MS-225-24P switch. It is pulling 11 watts with the MR33 having off Port 1 and booting up.
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10-03-2017
01:36 PM
The MR33 looks like it is booting up but then just gives me the flashing amber light.
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09-22-2017
01:03 PM
Just had this issue for the second time in the last week. 220-8P requiring reboot after firmware upgrade. It shows it hasn't checked in the dashboard but can ping devices connected to it across the network. weird.
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09-21-2017
03:58 PM
Meraki's has nice diagrams showing Vertical and Horizontal RF patterns for all MR radios. Does anyone know if these were generated without metal mounting plate attached? They seem a little too symmetrical considering the attenuation from the metal mounting plate.
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09-21-2017
03:53 PM
Very nice. Thanks for your reply.
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09-21-2017
08:08 AM
Cisco seems to be out in front pretty early on this developing problem with Intel's C2000 chips failing after 18 months. Should owners of affected MX devices open tickets for RMAs as soon as they become available? Due to the enormous number of possible devices impacted, supply of replacement chips is going to be seriously constrained. Probably better to act fast and get in line if Meraki is going to offer exchanges. Tick Tock Tick Tock Tick Tock.... First read about it here https://cantechit.com/2017/02/07/clockgate-2017-the-intel-atom-c2000/ Ciscos Statement. https://www.cisco.com/c/en/us/support/web/clock-signal.html#~field,
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