Use the “show vpn-sessiondb l2l” command to view the status of the tunnel, like below. A healthy tunnel will have both TX and RX Bytes showing. An un healthy tunnel will either show “There are presently no active sessions” or it might show some TX or RX, but not both.
One VPN Tunnel per Security Gateway pair - One VPN tunnel is created between peer Security Gateways and shared by all hosts behind each peer Security Gateway. In case of a conflict between the tunnel properties of a VPN community and a Security Gateway object that is a member of that same community, the "stricter" setting is followed. IPsec Troubleshooting: Understanding and Using debug Jul 15, 2009 how to check VPN phase 1 and phase 2 status? - Check Point
Up-No-IKE – This occurs when one end of the VPN tunnel terminates the IPSec VPN and the remote end attempts to keep using the original SPI, this can be avoided by issuing crypto isakmp invalid-spi-recovery; Down-Negotiating – The tunnel is down but still negotiating parameters to complete the tunnel. Down – The VPN tunnel is down.
Jul 15, 2009 how to check VPN phase 1 and phase 2 status? - Check Point regarding VPN status. old question 🙂. the best way to see your phase 1/2 exchange is : expert# tcpdump -nni any port 500 or esp and host
Apr 29, 2016
OpenVPN OpenVPN is an open-source commercial software that implements virtual private network (VPN) techniques to create secure point-to-point or site-to-site connections in routed or bridged configurations and remote access facilities. It uses a custom security protocol that utilizes SSL/TLS for key exchange. It is capable of traversing network address translators (NATs) and firewalls. - Juniper Networks Jun 27, 2020 Tunnel Management - Check Point Software