We have MPLS + ISIS +BGP running on HPE 5900 devices. The loopback IPs of other devices signaled via ISIS are resolved with MPLS labels. However, we see that BGP routes with the same loopback IPs as next hop are directly resolved with the remote IP in the local transfer network and not with the mpls label used for the loopback itself. We also see the same behavior for ip static routes to loopback IPs. We would expect to have MPLS forwarding instead of ip forwarding.
We are wondering if there is a configuration option to change this behavior. We have tested a similiar configuration on Arista, Cisco and Juniper and for these platforms the desired behavior is the default.
Does anybody have seen the same effect? How did you manage to solve it?
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