I have 400F device and on this device we have configured around 1000 site to site VPN tunnels in active passive mode. We need to configure 330 link monitoring entries. I am able to configure 256 entries after that getting an error reached maximum entries. How can we increase the limit of link monitoring entries.
Hi Dattatray,
Thank you for your inquiry. There are no options to increase beyond maximum value as this is a design limit. I would alternatively recommend considering sdwan configuration instead of link monitor which would be a migration project as the tunnel interfaces have to be not referenced in other config specially firewall policies before they can become sdwan members. On the plus side though sdwan offers the amount of health-checks entries you need according the max value table for 400F models and SDWAN offers more granular control and management of routing.
sdwan reference: https://docs.fortinet.com/document/fortigate/7.4.5/administration-guide/431448/sd-wan-overview
max value table: https://docs.fortinet.com/max-value-table
Thank you,
saleha
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