Hi, I have a Site 2 site VPN between our office, one end we have ASA and the other is a FortiGate 100F
and 6 subnet each on both end of the firewall, the traffic between has been intermittent, sometimes it works and sometimes it doesnt. but the VPN shows its up
Below is the phase2 config on the Fortinet
config vpn ipsec phase2-interface
edit "XXXX"
set phase1name "XXXX"
set proposal aes256-sha1
set dhgrp 14
set replay disable
set src-addr-type name
set dst-addr-type name
set keylifeseconds 3600
set src-name "XXX-VPN-Group"
set dst-name "XXX-VPN-Group"
next
end
config firewall addrgrp
edit "XXX-VPN-Group"
set uuid XXXXX-XXXX-XXXX-XXXXXXXXX
set member "XXX.XXX.X.X/XX" "LOCAL-SUBNET-XXX.XXX.X.X/XX" "LOCAL-SUBNET-XXX.XXX.X.X/XX" "LOCAL-SUBNET-XXX.XXX.X.X/XX" "LOCAL-SUBNET-XXX.XXX.X.X/XX" "LOCAL-SUBNET-XXX.XXX.X.X/XX"
next
end
config firewall addrgrp
edit "XXX-VPN-Group"
set uuid XXXXX-XXXX-XXXX-XXXXXXXXX
set member "XXX.XXX.X.X/XX" "XXX.XXX.X.X/XX" "XXX.XXX.X.X/XX" "XXX.XXX.X.X/XX" "XXX.XXX.X.X/XX" "XXX.XXX.X.X/XX"
next
Any help is greatly appriciated
Regards
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Hi,
It is best to setup multiple phase2's to help asa. While FortiGate to Fortigate can hold on to same spi for multiple subnets for a vpn, asa expects different spi for each phase2, please see https://docs.fortinet.com/document/fortigate/7.0.5/administration-guide/666100/ipsec-vpn-between-a-f....
Best regards,
Jin
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