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Cisco Bug: CSCvs15276 - ERROR: entry for ::/0 exists when configuring ipv6 icmp

Last Modified

Aug 26, 2020

Products (1)

  • Cisco ASA 5500-X Series Firewalls

Known Affected Releases


Description (partial)

When there is already ICMP ipv6 access rules for an interface, after adding a new configuration for ipv6 icmp the deployment fails with following error message:

FMC >> no strong-encryption-disable
FMC >> ipv6 icmp permit any 128 now
FTD_nach_repro >> error : ERROR: entry for ::/0 exists
Config Error -- ipv6 icmp permit any 128 now

adding new ipv6 ICMP configuration to existing one
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