Description
Scope
Solution
Verify if FortiGate can resolve the host names and reach the FortiGuard servers.
execute ping-options source <ip address of the wan interface>
After, ping FortiGuard services:
execute ping service.fortiguard.net
Unable to resolve hostname.
execute ping service.fortiguard.net
PING guard.fortinet.net (208.91.112.194): 56 data bytes
64 bytes from 208.91.112.194: icmp_seq=0 ttl=55 time=247.3 ms
64 bytes from 208.91.112.194: icmp_seq=1 ttl=55 time=246.1 ms
64 bytes from 208.91.112.194: icmp_seq=2 ttl=55 time=246.5 ms
64 bytes from 208.91.112.194: icmp_seq=3 ttl=55 time=251.4 ms
64 bytes from 208.91.112.194: icmp_seq=4 ttl=55 time=245.8 ms
If the FortiGate still cannot reach service.fortiguard.net, proceed to step 4.
config system fortiguard
set source-ip <- The IP address of the WAN interface which can reach service.fortiguard.net.
end
Setting the source IP will not force traffic to use that interface. FortiGate will follow the routing table.
In FortiOS v6.2.4 and above, users can choose the interface manually for FortiGate's self-generated traffic:
config system fortiguard
set interface-select-method specify
set interface <interface>
end
config log fortiguard setting
set source-ip <- IP address of the WAN interface which can reach service.fortiguard.net.
end
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