diff --git a/agent/src/core_utils.h b/agent/src/core_utils.h
index 72ae3bb..344ce5e 100644
--- a/agent/src/core_utils.h
+++ b/agent/src/core_utils.h
@@ -93,6 +93,7 @@
 unsigned NumNniIf_();
 unsigned NumPonIf_();
 bcmos_errno get_nni_interface_status(bcmolt_interface id, bcmolt_interface_state *state);
+bcmos_errno get_nni_interface_speed(bcmolt_interface id, uint32_t *speed);
 Status install_gem_port(int32_t intf_id, int32_t onu_id, int32_t uni_id, int32_t gemport_id, std::string board_technology);
 Status remove_gem_port(int32_t intf_id, int32_t onu_id, int32_t uni_id, int32_t gemport_id, std::string board_technology);
 Status enable_encryption_for_gem_port(int32_t intf_id, int32_t gemport_id, std::string board_technology);