This enumerated value (forwarding, not-forwarding) indicates whether this Virtual Router acts as an IP gateway forwarding datagrams not addressed to itself, and the description notes an agent may return badValue if a management station tries to set an unsupported state for this node. An admin sets this to control whether the virtual router behaves as a routing gateway or as a host that doesn't forward traffic on behalf of others. For example, an admin configuring a virtual router meant purely as an endpoint rather than a transit path would set csOrionVPNVRouterIpForwarding to not-forwarding(2).