Inbound Load Balancing and Failover (Multihoming)
Load Balancing & Fault Tolerance
Protocol
:
Specify the protocol name prepended with an underscore, for example, _tcp or _
udp.
Priority
:
Specify the relative priority of this service (0 - 65535). Lowest is highest priority.
Weight
:
Specify the weight of this service. Weight is used when more than one service has
the same priority. The highest is most frequently delivered. Leave is blank or zero if
no weight should be applied.
Port
:
Specify the port number of the service.
Target
:
The hostname of the machine providing this service.
TTL
:
TTL (Time To Live) specifies the amount of time that SRV Record is allowed to be
cached.
MX Record
TTL
:
TTL (Time To Live) specifies the amount of time that MX Record is allowed to be
cached.
Host Name
:
Enter the prefix of the mail server’s domain name. For example, if domain name is
"mail.abc.com", enter “mail”.
Priority
:
Enter the priority of the mail servers. The higher the priority is, the lower the num-
ber is.
Mail Server
:
Enter the IP address of the mail server.
TXT Record (multiple TXT records on one hostname is allowed)
TTL
:
TTL (Time To Live) specifies the amount of time other DNS servers and applic-
ations are allowed to cache the record.
Host Name
:
Enter the prefix of the mail server. For example, when mail server is “mail.-
abc.com”, enter “mail” in Host Name field; whereas, when mail server is abc.com,
leave Host Name field blank.
SPF
:
Specify SPF value the host uses. It is an effective antispam tool. For example,
SPF record v=spf1 a:mail ip4:10.16.130.2/24 ~all means emails sent from domain
IP 10.16.130.2/24 are effective, while emails sent from other IPs are assumed as
spams.
External Subdomain Record (available only in non-relay mode)
Subdomain Name
:
Enter the name of an external subdomain. To add an additional subdomain, press
+.
FortiWAN Handbook
Fortinet Technologies Inc.
131
