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Suppose that interface ‘mgmt’ is a management interface for Primary FortiGate with:
IP 10.10.10.2/24
Interface port1 with IP 10.1.248.250/24
Both interface 'mgmt' and 'port1' are part of root VDOM
If VDOM is enabled on the FortiGate on HA, there are two options to configure SNMP.
Option 1: Enable ha-direct.
Option 2: Without enabling ha-direct.
Note:
In both scenarios, SNMP must be enabled on the root VDOM.
Option 1: Enable ha-direct.
Management IP configured for HA will be used as a source/destination IP address. For the secondary SNMP server, it is possible to enable ha-direct too, then the interface IP address will be used as a source destination IP.
config system snmp community
edit 1
set name "SNMP-SERVER"
config hosts
edit 1
set ip 10.10.10.100 255.255.255.255
set ha-direct enable
next
edit 2
set ip 192.168.100.1 255.255.255.255
set ha-direct enable
next
end
set events cpu-high mem-low log-full intf-ip vpn-tun-up vpn-tun-down ha-switch ha-hb-failure fm-if-change ha-member-up ha-member-down
next
end
Option 2: Without enabling ha-direct.
Interface IP except HA management IP can be used as a source/destination IP address.
config system snmp community
edit 1
set name "SNMP-SERVER"
config hosts
edit 1
set ip 10.10.10.100 255.255.255.255
next
edit 2
set ip 192.168.100.1 255.255.255.25
next
end
set events cpu-high mem-low log-full intf-ip vpn-tun-up vpn-tun-down ha-switch ha-hb-failure fm-if-change ha-member-up ha-member-down
next
end
FGT1(root) # get router info routing-table details 192.168.100.1
Routing table for VRF=0
Routing entry for 192.168.100.1/32
Known via "static", distance 10, metric 0, best
* 10.254.254.2, via VDOM11
FGT1(root) # diagnose sniffer packet any 'host 192.168.100.1' 4 0 a
interfaces=[any]
filters=[host 192.168.100.1]
2023-03-03 10:29:39.974494 CL-AZ-TAP1 in 192.168.100.1.49199 -> 10.1.248.250.161: udp 62
2023-03-03 10:29:39.974525 CTemp-SP1_1 out 192.168.100.1.49199 -> 10.1.248.250.161: udp 62
2023-03-03 10:29:39.974536 CTemp-SP1_0 in 192.168.100.1.49199 -> 10.1.248.250.161: udp 62
2023-03-03 10:29:39.974593 ITCS-B1-TAP1_0 out 192.168.100.1.49199 -> 10.1.248.250.161: udp 62
2023-03-03 10:29:39.997285 ITCS-B1-TAP1_0 in 10.1.248.250.161 -> 192.168.100.1.49199: udp 73
2023-03-03 10:29:39.997353 CTemp-SP1_0 out 10.1.248.250.161 -> 192.168.100.1.49199: udp 73
2023-03-03 10:29:39.997364 CTemp-SP1_1 in 10.1.248.250.161 -> 192.168.100.1.49199: udp 73
2023-03-03 10:29:39.997381 CL-AZ-TAP1 out 10.1.248.250.161 -> 192.168.100.1.49199: udp 73
Related articles:
Technical Tip: FortiGate SNMP polling via the dedicated HA management port
Technical Tip: Configuring SNMP when VDOM is enabled |
