Load Balancing & Fault Tolerance Inbound Load Balancing and Failover (Multihoming)
A Record Policy Settings
Policy Name Algorithm Policy Advance Setting
WAN Link IPv4 Address Weight
smtp By Weight 1 211.21.33.186 1
2 61.64.195.150 1
Domain Settings
Domain Name TTL Responsible Mail Primary
Name
Server
IPv4
Address
Domainname.com 30 Abc.domainname.com ns1 192.168.0.10
Name
Server
IPv4 Address
ns1 192.168.0.10
Host Name When Source IP To Policy TTL
mail All-Time Any smtp 30
TTL Host Name Priority Mail Server
30 mail 1 mail
TTL Host Name TXT
30 v=spf1
ip4:211.21.33.186
ip4:61.64.195.150
~all
Note:
1.
Refer to [System]->[Networking Settings]->[WAN Settings] and assign public IPs to WAN ports.
2.
The example has configured multihoming for virtual server “mail.domainname.com”.
101 FortiWAN Handbook
Fortinet Technologies Inc.
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