Thank you all for answers. We currently have Umbrella, but not SIG. But about sizing, If I have 500 users and 15 branches, and want to ensure our gigabit wan network, present and future, I will have to choose MX450, because it's the only able to manage 2Gbps over VPN (I would have traffic over 15 VPNs), dispite MX450 designed for 10000 clients. Or MX250, but I see a long term risk limit VPN to 1Gpbs. Is it correct?
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