The best replacement for gre tunnel is ipsec.

The best alternatives to gre tunnel are rated as following:
★★★★★  ipsec
★  ipsec tunnel
  site to site vpn
  virtual link

Your alternative for gre tunnel is not listed? Suggest!
Speaking about gre tunnel, one probably shouldn't forget about ospf.

Other search terms related to gre tunnel and their ratings are:
★★★★★ ospf
vrf
You have in mind a companion for gre tunnel and it is not yet here? Propose!



Google Trends

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