Description There are certain questions from users about features that
do not work as expected , or as according to the documentation. This
article does not refer to these cases individually (such as
misconfiguration, misunderstanding, or bugs). This...
Description This article allows for a visual guide of RIP configuration
in FortiGate GUI on a single FortiGate. RIP is normally used in small
and medium-sized networks. Scope FortiGate. Solution RIP can be accessed
in GUI and these are the available ...
Description This article describes the process of adding or configuring
multiple IPs on a FortiGate interface. Scope Quick addition of secondary
IP from the command line as well as GUI. Solution To configure another
IP than the already defined one, e...
Description This article provides guidance for this unusual behavior of
the FortiGate regarding secondary SIP INVITE packets. Normally, one or
two INVITE packets are sent when a call is placed. These packets are
correctly forwarded and NAT-ted by For...
Description This article describes the FTP suite of protocols (FTPs,
sFTP, SFTP). It contains the basic mode of operation, differences, and
explanations. Scope FortiGate. Solution Technical terms are explained in
relation to what firewall ports need ...
I don't see any relation between them. Unless the DHCP server is not
Fortigate, but a remote server over VPN. In which case the internet
outage will also prevent local machines to get IPs.
Generally you should check if DHCP functions correctly (meaning that the
DHCP exchange of messages is done, and ACK received from client). This
will also show you where/if the packet is lost. Start with a packet
capture: diag sniffer packet interface...
This should be something to ask a Sales Engineer, or local distributor.
They can best advise you about sizing. If no firewall (UTM) features are
used, then it would probably be a good size.