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  • About KarstenI
KarstenI

KarstenI

Kind of a big deal

Member since Mar 22, 2019

Online

Karsten Iwen

Germany

https://cyber-fi.net

Freelance Consultant and instructor. Need help with your Meraki project? Now you know who to contact. ;-)

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  • CLUS 2022 Meraki Lounge

    CLUS 2022 Meraki Lounge

    28
  • Meraki Network Lounge

    Meraki Network Lounge

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BlakeRichardson
Kind of a big deal BlakeRichardson
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van604
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MyHomeNWLab
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Kind of a big deal PhilipDAth
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Kind of a big deal CptnCrnch
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AmyReyes
Community Manager AmyReyes
30
PhilipDAth
Kind of a big deal PhilipDAth
102
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Kind of a big deal cmr
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Brash
Kind of a big deal Brash
30
redsector
redsector
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Community Record

1394
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126
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Latest Contributions by KarstenI
  • Topics KarstenI has Participated In
  • Latest Contributions by KarstenI
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Re: High availability licensing MX250 - any license?

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-28-2020 04:13 AM
3 Kudos
‎09-28-2020 04:13 AM
3 Kudos
That is right, both need only one license in HA. ... View more

Re: Routing my lan network to PFSense VPN - HELP

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-27-2020 10:20 AM
‎09-27-2020 10:20 AM
For the Network 192.168.99.0/24 you need to add this network to your s2s VPN a route pointing to the s2s-tunnel on the remote network a route pointing to the local MX on the PFsense gateway ... View more

Re: removing one ap and deploy another on the network

by Kind of a big deal KarstenI in Wireless LAN
‎09-26-2020 11:05 AM
1 Kudo
‎09-26-2020 11:05 AM
1 Kudo
All what you find on the WLAN configuration is automatically applied. This includes the SSID settings. IP-settings are done per AP. If you want that the new AP has the same IP as the old one, this has to be done manually. ... View more

Re: removing one ap and deploy another on the network

by Kind of a big deal KarstenI in Wireless LAN
‎09-26-2020 09:50 AM
3 Kudos
‎09-26-2020 09:50 AM
3 Kudos
Nothing to do here as the config is assigned to the network and not the individually AP. Add the new one to the network and it will directly fetch the config. The old one can be removed. What has to be applied additionally: IP-information if needed (for example if you use WPA-Enterprise). RF-Profiles Tags for the SSID availability ... View more

Re: MR16 EOL

by Kind of a big deal KarstenI in Wireless LAN
‎09-25-2020 11:00 AM
2 Kudos
‎09-25-2020 11:00 AM
2 Kudos
Actually, there is nothing comparable to the MR16 anymore. Without knowing anything about your environment, I would first look at the MR36 which is Wifi6, and probably supported for a very long time. ... View more

Re: Routing my lan network to PFSense VPN - HELP

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-25-2020 03:09 AM
‎09-25-2020 03:09 AM
I just see that your PFsense device is part of your internal network. This can give you asymmetric routing to/from your external network. Better put the PFSense box in a dedicated DMZ and configure the routing as mentioned. ... View more

Re: Routing my lan network to PFSense VPN - HELP

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-25-2020 01:11 AM
‎09-25-2020 01:11 AM
Yes, you need static routes to the remote network pointing to the PFsense IP. And the PFsense firewall needs a route for your internal network to the MX IP. ... View more

Re: NAT in MX100

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-24-2020 01:26 PM
‎09-24-2020 01:26 PM
All traffic specified in NAT rules is automatically allowed. For outbound traffic, generally, the MX IP is used. But for 1:1 rules the specific public IPs are used.   https://documentation.meraki.com/MX/NAT_and_Port_Forwarding/Configuring_1%3A1_NAT https://documentation.meraki.com/MX/NAT_and_Port_Forwarding/Port_Forwarding_and_NAT_Rules_on_the_MX https://documentation.meraki.com/MX/NAT_and_Port_Forwarding/Troubleshooting_Port_Forwarding_and_NAT_Rules ... View more

Re: MS/MR Qos for Cisco IP Phones Voice Traffic

by Kind of a big deal KarstenI in Switching
‎09-24-2020 08:49 AM
‎09-24-2020 08:49 AM
You have to set it according to the bandwidth. It's not done automatically. ... View more

Re: MS/MR Qos for Cisco IP Phones Voice Traffic

by Kind of a big deal KarstenI in Switching
‎09-24-2020 08:42 AM
‎09-24-2020 08:42 AM
What you configure there should be set to the ISP-bandwidth or slightly lower so that the MX knows how to apply QoS. If the value is larger than committed by the ISP, it at least will not limit your throughput but is also not optimal. ... View more

Re: MS/MR Qos for Cisco IP Phones Voice Traffic

by Kind of a big deal KarstenI in Switching
‎09-24-2020 08:20 AM
‎09-24-2020 08:20 AM
@Mohammad wrote: yes ,   I have done speed test and utilization, it only show current scenario, but didn't get what is signed and commitment from ISP. Ask the ISP if they have a speedtest-server in their network. With that you take the connections to other ISPs out of the equation. And make sure that none of your devices is limiting the bandwidth. Do you measure consistent lower throughput or is it only sometimes? ... View more

Re: MS/MR Qos for Cisco IP Phones Voice Traffic

by Kind of a big deal KarstenI in Switching
‎09-24-2020 07:16 AM
‎09-24-2020 07:16 AM
@Mohammad wrote: One quick question, is there any way we can see what is my uplink Bandwith ? Generally speaking, no! Your contract can tell you what you should have, speed tests and monitoring tells you what you really have. ... View more

Re: What is your prefer Minimum Bitrate

by Kind of a big deal KarstenI in Wireless LAN
‎09-24-2020 06:01 AM
‎09-24-2020 06:01 AM
Again, many "it depends" ... The AP can tell the client that other APs are candidates to roam to, this is 802.11k and has broad support at least on devices found on enterprise networks. iOS has it since version 6 or 7 (don't remember exactly). But knowing these other APs is of no value if they are not yet in range of the client with the minimum rate. ... View more

Re: What is your prefer Minimum Bitrate

by Kind of a big deal KarstenI in Wireless LAN
‎09-24-2020 05:41 AM
‎09-24-2020 05:41 AM
Typically I start with 12Mbps and then the WLAN gets evaluated (if not done before). Most of the time it ends up on 24 Mbps which often is a reasonable compromise and typically works very well. But as always: "It depends!" ... View more

Re: MS/MR Qos for Cisco IP Phones Voice Traffic

by Kind of a big deal KarstenI in Switching
‎09-24-2020 05:23 AM
‎09-24-2020 05:23 AM
Any Device vendor can decide on its own how to implement QoS and what it's defaults are. You should check each device individually for a correct QoS-configuration. ... View more

Re: [Be Aware] EU and Country Laws: Open Free WiFi makes you liable.

by Kind of a big deal KarstenI in Wireless LAN
‎09-24-2020 12:14 AM
‎09-24-2020 12:14 AM
@PhilipDAth wrote: How would having a third party manage it change your liability?  You are still providing the service. At least the big providers in Germany tunnel the WLAN traffic to their DCs and go to the internet with the provider's IPs. So for the outer world, all traffic originates at the provider. ... View more

Re: Hosting A site-to-site VPN

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-24-2020 12:07 AM
‎09-24-2020 12:07 AM
It all depends on the configuration. If the other side expects that your ID is your public IP, then you typically leave this field blank (that is most of the time the default). If your MX is behind a NAT-device, you often have to enter your public IP as your local ID as this is what your peer "sees" from your end. And with authentication done with PSKs, the IDs are nearly always the public IPs. This is based on how IKE is communicating with the peer. ... View more

Re: Hosting A site-to-site VPN

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-23-2020 11:51 AM
‎09-23-2020 11:51 AM
You are really talking about site-to-site? Then there is no user, host, or client, but only peers. In a standard IPsec-setup, both peers have to know each other and also know how to authenticate the other side. On the MX we only have Pre-Shared-Keys and no usernames, but the PSK is mapped to a specific remote peer-IP. And the authentication is always done mutually. This VPN can be established from both sides. Both from the MX- or from the other side. On other VPN-Gateways there is often the option to specify that the device should only initiate the connection or respond to the other side, but this is an extra config.   Can you explain in more detail what you mean with "connecting the MX to remote instead ..."? ... View more

Re: 2 MXes and one provider, IP-address conflict at WAN port

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-23-2020 04:12 AM
‎09-23-2020 04:12 AM
Here is what I would do in that case:   1) Ask the ISP for a /29. Could cost some bucks but would be the best solution. 2) If not possible, think about the MG21. Yes, it is expensive, but you could connect the device to both MXes WAN2. You have more redundancy on the primary MX and the spare MX has dashboard connectivity. 3) If that is also not possible, there are probably no options than using cold standby. Better than no redundancy. ... View more

Re: 2 MXes and one provider, IP-address conflict at WAN port

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-23-2020 04:08 AM
‎09-23-2020 04:08 AM
@DarrenOC wrote: Hi @redsector  Do you have a couple of Layer 3 switch's to hand (stackable)?  Place these infront of your MX's. Here the L3-switches had to do the NAT. Makes the switch-options to pick from quite limited.   ... View more

Re: 2 MXes and one provider, IP-address conflict at WAN port

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-23-2020 04:06 AM
‎09-23-2020 04:06 AM
Well, different products behave differently. Given that the feature-set especially of the MX is quite restricted, good planning is more important than ever.   ... View more

Re: 2 MXes and one provider, IP-address conflict at WAN port

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-23-2020 03:57 AM
‎09-23-2020 03:57 AM
@redsector wrote: But what I see is that both MXes are spaking with that WAN IP address. Yes, both have a connection to the dashboard. It is completely different compared to for example an ASA where you can configure it with only one usable public IP. ... View more

Re: IPSec Tunnel using "User FQDN" to Zscaler

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-23-2020 03:55 AM
‎09-23-2020 03:55 AM
I never implemented a VPN to Zscaler and I also try to avoid Aggressive mode where possible ... You mention that you use the "User FQDN" as both the local and remote ID. That is probably not correct, as the remote ID is the string that the ZScaler has configured as a local ID. ... View more

Re: 2 MXes and one provider, IP-address conflict at WAN port

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-23-2020 03:46 AM
3 Kudos
‎09-23-2020 03:46 AM
3 Kudos
This is not how MX HA works. Both units need individual connections to the internet, you can not share one IP on both appliances. Two/three solutions come to mind: 1) use a separate IP for the second MX 2) Use a different ISP on the spare MX, that could be e simple LTE-router just for dashboard connectivity, and in case of primary MX failure, you connect the primary ISP to the second MX 3)  Use the second MX as a cold spare ... View more

Re: Ricoh Scan to Email Fails After Installing Meraki MX67

by Kind of a big deal KarstenI in Security / SD-WAN
‎09-22-2020 01:39 PM
‎09-22-2020 01:39 PM
As a test, can you change the printer from plain SMTP to SUBMISSION (tcp/587 with username/password)? ... View more
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Kudos from
User Count
BlakeRichardson
Kind of a big deal BlakeRichardson
35
van604
van604
1
MyHomeNWLab
MyHomeNWLab
7
PhilipDAth
Kind of a big deal PhilipDAth
383
CptnCrnch
Kind of a big deal CptnCrnch
255
View All
Kudos given to
User Count
AmyReyes
Community Manager AmyReyes
30
PhilipDAth
Kind of a big deal PhilipDAth
102
cmr
Kind of a big deal cmr
76
Brash
Kind of a big deal Brash
30
redsector
redsector
6
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My Accepted Solutions
Subject Views Posted

Re: Access Point Traffic Encryption

Wireless LAN
16 a week ago

Re: RSTP root on remote Meraki MS series switches

Switching
243 a month ago

Re: Meraki Switch management IP

Switching
261 ‎02-10-2023 04:23 AM

Re: How does speed affect the velocity test?

Wireless LAN
165 ‎02-10-2023 02:08 AM

Re: Meraki VMX Firewall

Security / SD-WAN
387 ‎02-02-2023 01:22 AM

Re: set specific static public IP to specified PC

Wireless LAN
128 ‎01-30-2023 12:13 AM

Re: MX64--- Unable to login using Serial Number for initial configuration

Security / SD-WAN
188 ‎01-16-2023 04:06 AM

Re: Meraki MX multiple /29 Public Blocks

Security / SD-WAN
235 ‎01-09-2023 01:46 PM

Re: iPSK without Radius not compatible with 6ghz?

Wireless LAN
304 ‎01-05-2023 02:40 PM

Re: Meraki MX support CoA with Cisco ISE?

Security / SD-WAN
784 ‎01-02-2023 03:23 AM
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