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Cisco Bug: CSCvh68271 - FMC S2S VPN creates unneeded full-mesh ACL entries for mixed IPv4 and IPv6 traffic

Last Modified

Sep 12, 2019

Products (1)

  • Cisco Firepower Management Center

Known Affected Releases


Description (partial)

After deployment of a VPN topology with mixed IPv4 and IPv6 networks crypto ACL contains full mesh of entries and ACEs like this:
permit ip <IPv4 network> <IPv6 network>

Mixed IPv4 and IPv6 protected networks
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