Template:
set interfaces lo0 unit 0 family inet address 127.0.0.1/32
set interfaces lo0 unit 1 family inet address 1.1.1.1/32
set interfaces lo0 unit 2 family inet address 1.1.1.2/32
set routing-instances TUNNEL1 instance-type virtual-router
set routing-instances TUNNEL2 instance-type virtual-router
set routing-instances TUNNEL1 interface lo0.1
set routing-instances TUNNEL2 interface lo0.2
set interfaces gr-0/0/0 unit 1 tunnel source 1.1.1.1
set interfaces gr-0/0/0 unit 1 tunnel destination 8.8.8.8
set interfaces gr-0/0/0 unit 1 family inet address 192.168.100.1/30
set security zones security-zone untrust interfaces gr-0/0/0.1
set interfaces gr-0/0/0 unit 2 tunnel source 1.1.1.2
set interfaces gr-0/0/0 unit 2 tunnel destination 8.8.8.8
set interfaces gr-0/0/0 unit 2 family inet address 192.168.100.5/30
set security zones security-zone untrust interfaces gr-0/0/0.2
By privilege15It is a requirement by JunOS that a separate routing-instance must be used per loopback interface. As long as the Physical interface, which is used to reach tunnel destination address is in default routing-instance there is no need to perform route leaking.
