We have a site to site vpn setup between a cisco asa 5505 and a checkpoint NG firewall. We can do all the normal browsing of networks etc, but when we try and use a cisco ip phone, it rings once then goes engaged. If we use the VPN desktop client we are able to use IP communicator ok and all phone functionality works, it just fails on the site to site. Any advice?
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Site to Site VPN
- Thread starter chester27
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Keep getting this in the logs... The ASA discarded a TCP packet that has no associated connection in the ASA connection table. The ASA looks for a SYN flag in the packet, which indicates a request to establish a new connection. If the SYN flag is not set, and there is no existing connection, the ASA discards the packet.
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