Cisco Bug: CSCup85529 - ASA Smart Call does not hide IPv6 addresses for ND
May 28, 2020
- Cisco ASA 5500-X Series Firewalls
Known Affected Releases
Symptom: An ASA using SmartCallHome will send its configuration with IP address information removed. The IP address is removed from NAT, objects, interfaces, etc. The ASA doesn't remove IPv6 addresses using in the ND configuration on the interface. For example, see the below output from SmartCallHome: interface Vlan2 nameif inside security-level 100 ip address <IP removed> <IP removed> ipv6 address <IPv6 removed>/64 ipv6 nd reachable-time 300000 ipv6 nd ra-interval 10 ipv6 nd ra-lifetime 300 ipv6 nd prefix default 86400 43200 ipv6 nd prefix 2001:db8:::/64 <=== This IPv6 address is not removed ipv6 nd managed-config-flag Conditions: This only affects IPv6 addresses configured under the interface used for the ND settings.
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