diff --git a/lib/gnmi/gnmi_helper.cc b/lib/gnmi/gnmi_helper.cc
index 959acad8..784dd1a9 100644
--- a/lib/gnmi/gnmi_helper.cc
+++ b/lib/gnmi/gnmi_helper.cc
@@ -22,6 +22,14 @@
 #include "absl/strings/match.h"
 #include "absl/strings/str_join.h"
 #include "absl/strings/str_split.h"
+
+#include "absl/strings/string_view.h"
+#include "absl/strings/substitute.h"
+#include "absl/strings/str_format.h"
+#include "absl/strings/str_replace.h"
+#include "absl/strings/numbers.h"
+#include "absl/strings/str_cat.h"
+
 #include "absl/time/time.h"
 #include "glog/logging.h"
 #include "gmock/gmock.h"
@@ -166,7 +174,7 @@ absl::Status SetGnmiConfigPath(gnmi::gNMI::Stub* sut_gnmi_stub,
 }
 
 absl::Status PushGnmiConfig(gnmi::gNMI::Stub& stub,
-                            const std::string& chassis_name,
+                            absl::string_view chassis_name,
                             const std::string& gnmi_config,
                             absl::uint128 election_id) {
   gnmi::SetRequest req;
@@ -191,6 +199,13 @@ absl::Status PushGnmiConfig(gnmi::gNMI::Stub& stub,
   return absl::OkStatus();
 }
 
+absl::Status PushGnmiConfig(thinkit::Switch& chassis,
+                            const std::string& gnmi_config) {
+  ASSIGN_OR_RETURN(std::unique_ptr<gnmi::gNMI::Stub> stub,
+                   chassis.CreateGnmiStub());
+  return pins_test::PushGnmiConfig(*stub, chassis.ChassisName(), gnmi_config);
+}
+
 absl::Status CheckAllInterfaceUpOverGnmi(gnmi::gNMI::Stub& stub) {
   ASSIGN_OR_RETURN(auto req,
                    BuildGnmiGetRequest("interfaces", gnmi::GetRequest::STATE));
@@ -303,4 +318,40 @@ GnmiGetElementFromTelemetryResponse(const gnmi::SubscribeResponse& response) {
   return elements;
 }
 
+absl::StatusOr<OperStatus> GetInterfaceOperStatusOverGnmi(
+    gnmi::gNMI::Stub& stub, absl::string_view if_name) {
+  std::string if_req = absl::StrCat("interfaces/interface[name=", if_name,
+                                    "]/state/oper-status");
+  ASSIGN_OR_RETURN(auto request,
+                   BuildGnmiGetRequest(if_req, gnmi::GetRequest::STATE));
+  LOG(INFO) << "Sending GET request: " << request.ShortDebugString();
+
+  gnmi::GetResponse response;
+  grpc::ClientContext context;
+  grpc::Status status = stub.Get(&context, request, &response);
+  if (!status.ok()) return gutil::GrpcStatusToAbslStatus(status);
+  LOG(INFO) << "Received GET response: " << response.ShortDebugString();
+
+  if (response.notification_size() != 1 ||
+      response.notification(0).update_size() != 1) {
+    return absl::InternalError(
+        absl::StrCat("Invalid response: ", response.DebugString()));
+  }
+  ASSIGN_OR_RETURN(
+      std::string oper_status,
+      ParseGnmiGetResponse(response, "openconfig-interfaces:oper-status"));
+  LOG(INFO) << "Got the operational status: " << oper_status << ".";
+
+  if (absl::StrContains((oper_status), "UP")) {
+    return OperStatus::kUp;
+  }
+  if (absl::StrContains((oper_status), "DOWN")) {
+    return OperStatus::kDown;
+  }
+  if (absl::StrContains((oper_status), "TESTING")) {
+    return OperStatus::kTesting;
+  }
+  return OperStatus::kUnknown;
+}
+
 }  // namespace pins_test
diff --git a/lib/gnmi/gnmi_helper.h b/lib/gnmi/gnmi_helper.h
index 8edefd16..0f40dd12 100644
--- a/lib/gnmi/gnmi_helper.h
+++ b/lib/gnmi/gnmi_helper.h
@@ -23,6 +23,7 @@
 #include "p4_pdpi/p4_runtime_session.h"
 #include "proto/gnmi/gnmi.grpc.pb.h"
 #include "proto/gnmi/gnmi.pb.h"
+#include "thinkit/switch.h"
 
 namespace pins_test {
 
@@ -31,6 +32,13 @@ inline constexpr char kTarget[] = "target";
 
 enum class GnmiSetType : char { kUpdate, kReplace, kDelete };
 
+enum class OperStatus {
+  kUnknown,
+  kUp,
+  kDown,
+  kTesting,
+};
+
 // Builds gNMI Set Request for a given OC path, set type and set value.
 // The path should be in the following format below.
 // "interfaces/interface[Ethernet0]/config/mtu".
@@ -83,13 +91,21 @@ absl::StatusOr<std::vector<absl::string_view>>
 GnmiGetElementFromTelemetryResponse(const gnmi::SubscribeResponse& response);
 
 absl::Status PushGnmiConfig(
-    gnmi::gNMI::Stub& stub, const std::string& chassis_name,
+    gnmi::gNMI::Stub& stub, absl::string_view chassis_name,
     const std::string& gnmi_config,
     absl::uint128 election_id = pdpi::TimeBasedElectionId());
 
+absl::Status PushGnmiConfig(thinkit::Switch& chassis,
+                            const std::string& gnmi_config);
+
 absl::Status CheckAllInterfaceUpOverGnmi(gnmi::gNMI::Stub& stub);
 
 // Returns gNMI Path for OC strings.
 gnmi::Path ConvertOCStringToPath(absl::string_view oc_path);
+
+// Gets the operational status of an interface.
+absl::StatusOr<OperStatus> GetInterfaceOperStatusOverGnmi(
+    gnmi::gNMI::Stub& stub, absl::string_view if_name);
+
 }  // namespace pins_test
 #endif  // GOOGLE_LIB_GNMI_GNMI_HELPER_H_
diff --git a/thinkit/mirror_testbed_fixture.h b/thinkit/mirror_testbed_fixture.h
index 2f86b575..4638486d 100644
--- a/thinkit/mirror_testbed_fixture.h
+++ b/thinkit/mirror_testbed_fixture.h
@@ -36,6 +36,13 @@ class MirrorTestbedInterface {
   virtual MirrorTestbed& GetMirrorTestbed() = 0;
 };
 
+// The Thinkit `TestParams` defines test parameters to
+// `MirrorTestbedFixture` class.
+struct TestParams {
+  MirrorTestbedInterface* mirror_testbed;
+  std::string gnmi_config;
+};
+
 // The ThinKit `MirrorTestbedFixture` class acts as a base test fixture for
 // platform independent PINS tests. Any platform specific SetUp or TearDown
 // requirements are abstracted through the ThinKit MirrorTestbedInterface which
@@ -63,8 +70,7 @@ class MirrorTestbedInterface {
 //  Individual tests should use the new suite name to take advantage of the
 //  custom setup/teardown:
 //    TEST_P(MyPinsTest, MyTestName) {}
-class MirrorTestbedFixture
-    : public testing::TestWithParam<MirrorTestbedInterface*> {
+class MirrorTestbedFixture : public testing::TestWithParam<TestParams> {
  protected:
   // A derived class that needs/wants to do its own setup can override this
   // method. However, it should take care to call this base setup first. That
@@ -83,10 +89,12 @@ class MirrorTestbedFixture
     return mirror_testbed_interface_->GetMirrorTestbed();
   }
 
+  std::string GetGnmiConfig() { return GetParam().gnmi_config; }
+
  private:
   // Takes ownership of the MirrorTestbedInterface parameter.
   std::unique_ptr<MirrorTestbedInterface> mirror_testbed_interface_ =
-      absl::WrapUnique<MirrorTestbedInterface>(GetParam());
+      absl::WrapUnique<MirrorTestbedInterface>(GetParam().mirror_testbed);
 };
 
 }  // namespace thinkit