High memory usage by src-vis

FortiGate

FortiGate Next Generation Firewall utilizes purpose-built security processors and threat intelligence security services from FortiGuard labs to deliver top-rated protection and high performance, including encrypted traffic.

Article Id 382135

Description

This article describes what to do when a device experiences High memory usage by src-vis.

Scope

FortiGate.

Solution

src-vis daemon/process is used for device identification configured on the interfaces, and it is used to gather device information connected to the interface.
When src-vis causes high memory usage shown as below:

FGT# diagnose sys top-mem 50

src-vis (164): 297379kB
cmdbsvr (101): 117251kB
node (136): 74238kB
ipsengine (5581): 26367kB
ipsengine (5582): 25889kB
forticron (144): 25850kB
ipsengine (5583): 25827kB
ipsengine (5584): 25417kB
extenderd (195): 18495kB
ipshelper (5580): 16526kB

To decrease the memory usage by src-vis, try to disable device-identification on the specific interface:

Config system interface
edit <interface name>
set device-identification disable

end

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Technical Tip: High memory usage by src-vis

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