I have two phones that are not registering with Fortivoice that are behind a site-to-site IPSEC VPN. The reason in Wireshark is. I can ping both sides with no problem and the DHCP option 66 is configured.
There not much information about this in Google or any other documentation available. I hope anyone can help
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It turns out it was an MTU issue. I observer a lot of retransmissions and then lowered the MTU in the tunnel interface and the issue was resolved.
It turns out it was an MTU issue. I observer a lot of retransmissions and then lowered the MTU in the tunnel interface and the issue was resolved.
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