It sounds to me like you need to set up your non-Meraki VPN to a Fully Qualified Domain Name (QDN) rather than a static IP.   You need to ensure, of course, that the destination is set up for dynamic DNS;   the FQDN needs to resolve to the changed address, when that happens.   https://documentation.meraki.com/MX/Site-to-site_VPN/Site-to-Site_VPN_Settings#Non-Meraki_VPN_Peering_with_FQDN  Using a static address would be much more stable / reliable though. ... View more