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Description |
This article describes the changing interface associated to the Generic Routing Encapsulation (GRE) tunnel. |
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Scope |
FortiGate all models. |
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Solution |
GRE tunnel is always associated to an interface and these are the steps to migrating the GRE tunnel from WAN1 to WAN2 Interface.
WAN1 --- > port1 WAN2 --- > port3 LAN --- > port2
Initial Configuration. 1) GRE Tunnel (GRE) is associated to WAN1 interface.
2) Select Edit in CLI.
# config system interface edit "GRE" show # config system interface edit "GRE" set vdom "root" set ip 192.168.254.2 255.255.255.255 set allowaccess ping set type tunnel set remote-ip 192.168.254.1 255.255.255.252 set snmp-index 15 set interface "port1" next end
Change the interface to port3.
(GRE) # set interface "port3"
This error will occur when changing the interface.
Entry not found in datasource. Value parse error before 'port3'. Command fail. Return code -3.
3) To change the interface to port3, run these commands.
# config system gre-tunnel edit GRE show
# config system gre-tunnel edit "GRE" set interface "port1" set remote-gw 10.56.241.131 set local-gw 10.56.241.156 next end
Change the interface and save it using end command.
(GRE) # set interface port3 (GRE) # end
4) Now the GRE tunnel will be associated to port3.
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