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cta102
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Member since Apr 19, 2018
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Thursday
3 Kudos
Not quite the same as other folks spring cleaning photos. I had to go to a "datacentre" belonging to one of the newspapers they owned and I should have known things were going badly when the site no longer existed and it had been moved to another site without notifying the parent group. Apart from water cascading through the roof onto a production server (that was still powered up) the following photos shows some other spring cleaning that was required. All of a sudden ethernet cables seemed unimportant
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2 weeks ago
I forced myself to visit this as initial tests revealed that I think Fortnite is absolutely awful for so many reasons and I have played PvP games since they were first available (including way back to Midi Maze and (nc-)snipes.) Interestingly there is a difference between platforms for the way endpoints are dealt with The Nintendo Switch version is nice as it uses the expected epicgames.com domain names. However the XBox uses some of the IP addresses, which I assume are gathered via the XBox Live service (as it isn't routed purely through the MS service.) Edit: The dame doesn't directly connect to the Epic authentication serves the first time you play it (if you select 'Use my Gamer Tag') After that it uses ol.epicgames.com so a L7 rule on epicgames.com does allow you to play with connectivity/throughput till your heart is content. I don't know what the Playstation 4 uses as I don't have access to one at the moment.
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02-20-2019
02:42 AM
They don't appear to as the mac address remained consistent, the device did receive a valid IP address and could be pinged from any Meraki device within the network. It simply did not receive the splash page (WiFiSpark said they did see the request) but the handset simply sat there and said it didn't have internet connectivity. Also requested the 'engineer' to try the usual browse to a http: site which sometimes kicks the splashpage on Aruba setups into life
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02-19-2019
08:23 AM
Funny enough I had realised the 204 URL thing soon after posting but it didn't seem to be worth editing the posting as others may get benefit from my original mistake (well that's my story anyway) Stuff like this is the reason that I switch from Samsung to Google Nexus and Pixel products for personal use, Certain Samsung models simply cannot connect to our Aruba corporate Wi-Fi network and it's too annoying.
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02-19-2019
04:39 AM
Hi Folks, we have been suffering a bit with a subset of Samsung phones which simply shows the against the Wi-Fi No Internet connection. These seem to be recent phones a Note 9 and an A8 (or A9 the remote engineer was vague) running Android 8.1.0 from the brief test we were able to carry out.) The devices do receive an IP address and are pingable so we know it's not a regular connectivity issue. However the Splash page is never displayed and phones devices which had authenticated some time before never pick up their prior authentication and therefore they are never granted access to the guest network. I know in the past some versions of Android required the ability to access the URL http://connectivitycheck.gstatic.com/generate_204 before they would play nicely with some Captive Portals/Walled Gardens Has anybody been through this already as this concerns a customer with a large number of outlets I can't simply bung the above URL into their Walled Garden range and see what happens, plus there is a slight geographic separation so I can't simply call in and do my own tests. Logs show no issues Also I was wondering if Samsung use their own check (can find no online reference) as every other android device seems to be fine. The Wi-Fi authentication behaves for everybody else: Bridge mode Guest SSID has the following : Dual band with Band steering 12MB minimum bit rate DFS channels permitted Client Balancing enabled
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01-10-2019
03:58 AM
From the couple of times I have done this everything has been carried across. The only thing I can't remember is if the hostname is applied. Two things I have noticed though 1: Some SNMP monitoring systems son't pick up on the change and serial numbers don't get updated (this may not apply) 2: don't forget to unclaim the faulty device otherwise you will start getting License issues
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11-01-2018
02:27 AM
It's not uncommon for ISPs to stop you from using Googles DNS entries or to redirect queries to their own DNS. In the UK the 5 biggest ISPs enact the government blacklist via their DNS (usually) so I would assume it would also happen elsewhere in the world. As previously mentioned CDN content is usually best resolved via the ISPs DNS
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09-20-2018
01:47 AM
Collated replies Sadly on that stretch there isn't much choice other than parking under 120+ year old trees (I have worried about our own house on occasion.) The falling beer is an absolute tragedy and could only be be made worse if it had been a quality coffee beans that were dropped on the uncaring road. It's been confirmed that the driver received nothing other than scratches on his paintwork and the road was cleared within 90 minutes (I should extract the footage and create a timelapse video of that) and the neighbours and drivers were helpful to each other. The footage has been getting repeated on the BBC national news every 20 minutes so perhaps we should start keeping an eye out for Meraki footage in the media, as it would be nice to know when our favoured products do something useful.
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09-19-2018
07:13 AM
5 Kudos
So I couldn't decide what to do with the MV-21 that arrived. However storm Ali decided to pay my part of the world a visit and it turns out I caught this footage while the camera was propped up on a stack of boxes.
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09-19-2018
05:59 AM
Tagging tends to be an all or nothing tagging situation. Though I would be interested in checking if the native VLAN traffic gets a tag assigned. I vaguely remember an some confusion from years ago where the native vlan traffic simply didn't get tags and was allowed to continue on it's merry way, but I can't remember which manufacturer it was (probably HP or DELL but that could be my dislike of their network kit)
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09-19-2018
04:54 AM
2 Kudos
If you want a group of APs to use a particular VLAN for their clients then you simply choose Add VLAN and add their tags and the VLAN you want . Every other AP will continue to use the value specified in the "All other APs" box
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09-13-2018
06:46 AM
Can even view the footage from my phone (though the controls are atrocious under those circumstances)
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09-13-2018
06:45 AM
There are only 3 properly separated Wi-Fi channels in thee 2.4GHz spectrum, and should have simply been called 1, 2 & 3 Channel 1 actually uses the frequencies listed for channel 2 and well into those listed for Channel 3 Channel 6 dips down uses the frequencies lusted for Channel4 4 through to 8 Channel 9 runs uses frequencies listed for Channel 9 through to 13 (available in some regions) You take a much smaller performance hit having multiple APs using 1, 6 or 11 than it is to have APs using adjacent channels (say 1 & 2) APs on adjacent channels give a 5 times greater hit than simply using the same channel. The rule I have in my notebook (from my Ekahau course) is that 2 APs on the same channel will take a 55 meg connection down to about 5 meg (bad enough) but adjacent channels are likely to take the connection down to 1 meg This is assuming a default channel width
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08-09-2018
02:19 AM
2 Kudos
It's not really a new attack (though the press is hyping it as such.) It's a quicker way of getting the authentication handshake, rather than capturing the 4 way handshake you just need to capture a single EAPOL packet. However it was never that hard to capture that handshake anyway, so if the attacker even half way knew what they were doing. As it is exploiting the actual protocol to make the capture of the data any product using the protocols is exposed. It still takes the same length of time to break the password, so the usual long password with non dictionary passwords still applies (still about 8 days for a (sensibly chosen) 10 character password. You of course could turn of the roaming I suppose
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08-01-2018
01:59 AM
The phone mac address will be picked up as it will be sending probes, so it will be visible.
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07-24-2018
01:33 AM
I missed the outdoor datasheet @PhilipDAth wrote: I don't think there is any outdoor option. Have a look at using Dlink power line extenders. first time I looked https://www.softcat.com/assets/uploads/campaigns/cisco-meraki/Meraki-GR60-Datasheet.pdf
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07-23-2018
02:31 AM
Edit: This was in response to the posting by Jsnyder81 Just to say that you are pretty correct with your statement. Although there is technical content a lot is for pre-sales both to produce relevant demos for a particular customer and also to point design teams in the right direction so a Meraki solution stands a chance of doing the intended task. It also permits the Masters to see upcoming products and features and receive some early training. As for the swag you do get a goodie bag but the real swag is getting to talk to the product teams.
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07-23-2018
02:21 AM
The main intent of the Masters is (from my experience) is for pre-sales people. To: Be able to produce coherent and relevant demos and sales pitches (not my strong point.) Ensure that sales and design teams are selling workable Meraki solutions and designs to customers. Be a company representative that is aware of new and upcoming Meraki features and products. Lets say that I can't say too much about the coherent design business but most design teams try to treat Meraki (and other cloud based solutions) in the same manner as regular Wi-Fi solutions (controllers located in a DC) and that route leads to some big and very avoidable issues. I did ask if there could be another purely technical qualification created and the suggestion was noted and I hope that something turns up.
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07-19-2018
06:52 AM
Please do. I have huge issues with a Meraki competitors cloud based solution for exactly those reasons
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07-17-2018
08:09 AM
1 Kudo
If there are any firewalls (or proxies) between the MX and the outside world there can be really really long waits, particularly if the firewall (or proxy) has isn't playing nice with it's DNS resolution. We have a customer where there are issues when the cloud endpoint moves and they will not allow proper DNS resolution to take place (even worse on an Ar**a install where the customer regularly cuts off the APs from the dashboard for multiple days until they get around to updating the "permitted" address on their firewall.)
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07-17-2018
07:45 AM
1 Kudo
Challenge Accepted ;)
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07-17-2018
05:39 AM
1 Kudo
If I draw a pair of socks on a piece of paper will they magically become real ones delivered by DHL?
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07-17-2018
03:10 AM
I assume anything below 24 ports is a single ASIC (or purely software based)
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07-17-2018
01:46 AM
Philip, I don't suppose you know of any doc that lists the ASIC layout for Meraki switches as it's proved valuable multiple times for Cisco issues
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07-16-2018
07:37 AM
If you don't require NAT Mode then the only (easy) way I can think of is using a DHCP pool sized to your requirements. Though it's not a great method and you would have to have a short lease time so the addresses are recycled quickly. The only other option I can think of is to try and get creative with splash pages and scripting.
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