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enter image description herebgp[![][1]]3i am trying for a failover between two ISP interfaces using link-monitor in fortigate. both ISP links are vlan interface ( ie, not physical). and with my primary ISP, i have eBGP. i need to monitor the link performance, when packet loss through link, make bgp down, so that traffic will be shifted to ISP 2 ( i have static default route through ISP 2 with higher metric). But in fortigate i have only make interface down ( which is not a good idea obviously) or remove static route through that interface ( which won't work for me, my last mile protocol is eBGP). If any body is able to give any work around, it will be great.

device configuration config system link-monitor edit "to_105" set srcintf "wan" set server "xx.xx.xx.xx" set protocol http set gateway-ip yy.yy.yy.yy set update-cascade-interface enable set update-static-route enable

my rough network diagram is included.

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  • You need to edit your question to give us more information. A good description (or even better, a diagram) of how the network is connected, the network device models, and the network device configurations.
    – Ron Maupin ♦
    Commented Feb 26, 2018 at 15:11
  • question is updated
    – abdul_razak
    Commented Feb 26, 2018 at 16:53
  • You need to give us the (sanitized) configuration. Obfuscate the public addresses and passwords, but give us the whole configuration.
    – Ron Maupin ♦
    Commented Feb 26, 2018 at 16:57
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    Please, never use an image for text. Just paste in the text and use the Preformatted Text feature ({}) on it.
    – Ron Maupin ♦
    Commented Feb 26, 2018 at 17:28

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i got confirmation from fortinet that, link-monitor wont be able to control dynamic routing protocol.

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