Howdy,
To put an interface into a vpn instance it goes something like:
[sw] ip vpn-instance mgmt
[sw-vpn-instance-mgmt] route-distinguisher 111:1
[sw-vpn-instance-mgmt] vpn-target 111:1
[sw-vpn-instance-mgmt] quit
[sw] interface M-Gigabit 0/0/0
[sw-M-Gig0/0/0] ip binding vpn-instance mgmt
# Ip address will be removed from the interface as it is bound into the VPN
[sw-M-Gig0/0/0] ip address x.x.x.x /nn
There's a decent guide to vpn-instances or VRF's as well as route leaking here
HTH
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Thanks
Ian