MX84 IKEv2 to Fortigate compatibility

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mmistretta
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MX84 IKEv2 to Fortigate compatibility

Anyone know if the 2 are compatible for IKEv2?

 

According the Meraki

 

NOTE For IKEv2

Meraki Appliances build IPsec tunnels by sending out a request with a single traffic selector that contains all of the expected local and remote subnets. Certain vendors may not support allowing more than one local and remote selector in a given IPsec tunnel

 

Trying to figure out if Fortigate is one of the vendors that doesn't support multiple selectors.

1 Accepted Solution
mmistretta
Here to help

Hi All,

i appreciate everyone's input.

My question was in regards specifically to MX IKEv2 with a Fortigate firewall.

At its most basic config, the tunnel would not come up.

I did find that it is a compatible configuration, however there was a gotcha...  Even though it was a direct connect to internet, on both sides, no NAT devices, absolutely nothing in the middle, it wasn't until after configuring the local and remote IDs, the tunnel came up.

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8 Replies 8
Inderdeep
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@mmistretta : yes they are 

https://community.meraki.com/t5/Security-SD-WAN/Meraki-MX-to-Fortigate-IPSEC/td-p/47665

 

Regards/Inder
Cisco IT Blogs awarded in 2020 & 2021
www.thenetworkdna.com
mmistretta
Here to help

Thank you for the reply, but the question is in regards to IKEv2.

Unless i missed it, i do not see mention of IKEv2 in the article.

Inderdeep
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@mmistretta : Yes IPsec using IKEv2 and there is IKEv2 support for 3rd Party VPN on 15.12+ onwards and this is enabled via Meraki support

https://community.meraki.com/t5/Security-SD-WAN/IKEv2-support-on-MX-devices/td-p/37709 

Regards/Inder
Cisco IT Blogs awarded in 2020 & 2021
www.thenetworkdna.com
AlexP
Meraki Employee
Meraki Employee

Hello,

 

That information you cited is out of date - IKEv2 is now freely selectable on the site-to-site VPN page without Support involvement

 

GIdenJoe
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That's a tough one to answer.  If you're able to test it, I would.

I know a Cisco ASA does not support multiple TS with IKEv2.
So there is always chance that the Fortigate might also have a different way of doing it.

 

I would prefer if Meraki would make VTI- routed based VPN available.

KarstenI
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@GIdenJoe wrote:

I know a Cisco ASA does not support multiple TS with IKEv2.

There has to be a different reason if that didn't work somewhere. The ASA supports this and I use it with lots of customers.

mmistretta
Here to help

Hi All,

i appreciate everyone's input.

My question was in regards specifically to MX IKEv2 with a Fortigate firewall.

At its most basic config, the tunnel would not come up.

I did find that it is a compatible configuration, however there was a gotcha...  Even though it was a direct connect to internet, on both sides, no NAT devices, absolutely nothing in the middle, it wasn't until after configuring the local and remote IDs, the tunnel came up.

rhbirkelund
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Kind of a big deal


@mmistretta wrote:

[...] it wasn't until after configuring the local and remote IDs, the tunnel came up.


Which is also a change in behaviour for MX15.42.1 firmware.

From release notes;

rbnielsen_0-1622202063742.png

 

LinkedIn ::: https://blog.rhbirkelund.dk/

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