We currently have a site-to-site VPN on 4451 cisco routers, using an IPSec trial license
At the time I could not yet approve the budget for buying this license, which might happen in coming weeks. Problem is the trial will expire, and we're already heavily using the site-to-site connection.
In case IPsec expires, will my vpn go down completely? Or will it just lose IPsec?
In any case is IPsec absolutely required for security? Are there free alternatives?
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