Cisco ASA Audit Event: 316002

316002: Error in VPN handle

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-3-316002: VPN Handle error: protocol= protocol, src in_if_num: src_addr, dst out_if_num: dst_addr.

Event 316002 is generated when the ASA cannot create a VPN handle because it already exists. The message contains information on the:

  • Protocol.
  • Ingress interface number.
  • Source IP address.
  • Egress interface number.
  • Destination IP address.

How could you resolve this situation?

If this event keeps recurring, a software defect might be the cause. Enter the following commands to collect more information:

capture

name

type asp-drop vpn-handle-error

show asp table classify crypto detail

show asp table vpn-context

contact Cisco TAC to investigate the issue further.

Cisco ASA Auditing Tool

EventLog Analyzer is a comprehensive log management software with which you can centrally collect, analyze, and manage logs from all the different log sources in your network. You also get reports and alerts on your network security, making it a power-packed IT security tool.