325005: Invalid IPv6 extension header content
Cisco ASA is a security device that provides the combined capabilities of a firewall, an antivirus, and an intrusion prevention system. It also facilitates virtual private network (VPN) connections. It helps to detect threats and stop attacks before they spread through the network.
Message: %ASA-4-325005: Invalid IPv6 Extension Header Content: string. detail regarding protocol, ingress and egress interface.
Event 325005 is generated when an IPv6 packet with a bad extension header is detected.
How could you resolve this situation?
Configure the 'capture' command to record the dropped packet. Then, analyze the cause of the dropped packet. If the validity check of the IPv6 extension header can be ignored, disable the validity check in the IPv6 policy map by entering the following commands:
ciscoasa (config)# policy-map type inspect ipv6 policy_name
ciscoasa (config-pmap)# parameters
ciscoasa (config-pmap-p)# no verify-header type