diff --git a/protocols/p4runtime/api/src/main/java/org/onosproject/p4runtime/api/P4RuntimeClient.java b/protocols/p4runtime/api/src/main/java/org/onosproject/p4runtime/api/P4RuntimeClient.java
index 7ecbd80..91254cf 100644
--- a/protocols/p4runtime/api/src/main/java/org/onosproject/p4runtime/api/P4RuntimeClient.java
+++ b/protocols/p4runtime/api/src/main/java/org/onosproject/p4runtime/api/P4RuntimeClient.java
@@ -23,6 +23,9 @@
 import org.onosproject.net.pi.runtime.PiCounterCellData;
 import org.onosproject.net.pi.runtime.PiCounterCellId;
 import org.onosproject.net.pi.model.PiCounterId;
+import org.onosproject.net.pi.runtime.PiMeterCellConfig;
+import org.onosproject.net.pi.runtime.PiMeterCellId;
+import org.onosproject.net.pi.model.PiMeterId;
 import org.onosproject.net.pi.runtime.PiPacketOperation;
 import org.onosproject.net.pi.runtime.PiTableEntry;
 import org.onosproject.net.pi.model.PiTableId;
@@ -152,6 +155,36 @@
                                                             PiPipeconf pipeconf);
 
     /**
+     * Returns the configuration of all meter cells for the given set of meter identifiers and pipeconf.
+     *
+     * @param meterIds   meter identifiers
+     * @param pipeconf   pipeconf
+     * @return collection of meter configurations
+     */
+    CompletableFuture<Collection<PiMeterCellConfig>> readAllMeterCells(Set<PiMeterId> meterIds,
+                                                                       PiPipeconf pipeconf);
+
+    /**
+     * Returns a collection of meter configurations corresponding to the given set of meter cell identifiers,
+     * for the given pipeconf.
+     *
+     * @param cellIds    set of meter cell identifiers
+     * @param pipeconf   pipeconf
+     * @return collection of meter configrations
+     */
+    CompletableFuture<Collection<PiMeterCellConfig>> readMeterCells(Set<PiMeterCellId> cellIds,
+                                                                    PiPipeconf pipeconf);
+
+    /**
+     * Performs a write operation for the given meter configurations and pipeconf.
+     *
+     * @param cellConfigs  meter cell configurations
+     * @param pipeconf     pipeconf currently deployed on the device
+     * @return true if the operation was successful, false otherwise.
+     */
+    CompletableFuture<Boolean> writeMeterCells(Collection<PiMeterCellConfig> cellConfigs, PiPipeconf pipeconf);
+
+    /**
      * Shutdown the client by terminating any active RPC such as the stream channel.
      */
     void shutdown();
diff --git a/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/MeterEntryCodec.java b/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/MeterEntryCodec.java
new file mode 100644
index 0000000..c30e2c8
--- /dev/null
+++ b/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/MeterEntryCodec.java
@@ -0,0 +1,242 @@
+/*
+ * Copyright 2017-present Open Networking Foundation
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *     http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+package org.onosproject.p4runtime.ctl;
+
+import org.onosproject.net.pi.model.PiMeterType;
+import org.onosproject.net.pi.model.PiPipeconf;
+import org.onosproject.net.pi.runtime.PiMeterBand;
+import org.onosproject.net.pi.runtime.PiMeterCellConfig;
+import org.onosproject.net.pi.runtime.PiMeterCellId;
+import org.onosproject.net.pi.model.PiMeterId;
+import org.onosproject.net.pi.runtime.PiTableEntry;
+import org.slf4j.Logger;
+import p4.P4RuntimeOuterClass.MeterConfig;
+import p4.P4RuntimeOuterClass.MeterEntry;
+import p4.P4RuntimeOuterClass.DirectMeterEntry;
+import p4.P4RuntimeOuterClass.Entity;
+
+import java.util.Collection;
+import java.util.Map;
+import java.util.Objects;
+import java.util.stream.Collectors;
+
+import static java.lang.String.format;
+import static org.slf4j.LoggerFactory.getLogger;
+import static p4.P4RuntimeOuterClass.Entity.EntityCase.*;
+
+/**
+ * Encoder/decoder of PI meter cell configurations to meter entry protobuf messages, and vice versa.
+ */
+final class MeterEntryCodec {
+
+    private static final Logger log = getLogger(MeterEntryCodec.class);
+
+    private MeterEntryCodec() {
+        // Hides constructor.
+    }
+
+    /**
+     * Returns a collection of P4Runtime entity protobuf messages describing both meter or direct meter entries,
+     * encoded from the given collection of PI meter cell configurations, for the given pipeconf. If a PI meter cell
+     * configurations cannot be encoded, it is skipped, hence the returned collection might have different size than the
+     * input one.
+     * <p>
+     * This method takes as parameter also a map between numeric P4Info IDs and PI meter IDs, that will be populated
+     * during the process and that is then needed to aid in the decode process.
+     *
+     * @param cellConfigs  meter cell configurations
+     * @param meterIdMap   meter ID map (empty, it will be populated during this method execution)
+     * @param pipeconf     pipeconf
+     * @return collection of entity messages describing both meter or direct meter entries
+     */
+    static Collection<Entity> encodePiMeterCellConfigs(Collection<PiMeterCellConfig> cellConfigs,
+                                                       Map<Integer, PiMeterId> meterIdMap,
+                                                       PiPipeconf pipeconf) {
+        return cellConfigs
+                .stream()
+                .map(cellConfig -> {
+                    try {
+                        return encodePiMeterCellConfig(cellConfig, meterIdMap, pipeconf);
+                    } catch (P4InfoBrowser.NotFoundException | EncodeException e) {
+                        log.warn("Unable to encode PI meter cell id: {}", e.getMessage());
+                        log.debug("exception", e);
+                        return null;
+                    }
+                })
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+    }
+
+    /**
+     * Returns a collection of PI meter cell configurations, decoded from the given P4Runtime entity protobuf messages
+     * describing both meter or direct meter entries, for the given meter ID map (populated by {@link
+     * #encodePiMeterCellConfigs(Collection, Map, PiPipeconf)}), and pipeconf. If an entity message cannot be encoded,
+     * it is skipped, hence the returned collection might have different size than the input one.
+     *
+     * @param entities     P4Runtime entity messages
+     * @param meterIdMap   meter ID map (previously populated)
+     * @param pipeconf     pipeconf
+     * @return collection of PI meter cell data
+     */
+    static Collection<PiMeterCellConfig> decodeMeterEntities(Collection<Entity> entities,
+                                                               Map<Integer, PiMeterId> meterIdMap,
+                                                               PiPipeconf pipeconf) {
+        return entities
+                .stream()
+                .filter(entity -> entity.getEntityCase() == METER_ENTRY ||
+                        entity.getEntityCase() == DIRECT_METER_ENTRY)
+                .map(entity -> {
+                    try {
+                        return decodeMeterEntity(entity, meterIdMap, pipeconf);
+                    } catch (EncodeException | P4InfoBrowser.NotFoundException e) {
+                        log.warn("Unable to decode meter entity message: {}", e.getMessage());
+                        return null;
+                    }
+                })
+                .filter(Objects::nonNull)
+                .collect(Collectors.toList());
+    }
+
+    private static Entity encodePiMeterCellConfig(PiMeterCellConfig config, Map<Integer, PiMeterId> meterIdMap,
+                                                  PiPipeconf pipeconf)
+            throws P4InfoBrowser.NotFoundException, EncodeException {
+
+        final P4InfoBrowser browser = PipeconfHelper.getP4InfoBrowser(pipeconf);
+
+        int meterId;
+        Entity entity;
+        //The band with bigger burst is peak if rate of them is equal,
+        //if bands are not specificed, using default value(0).
+        long cir = 0;
+        long cburst = 0;
+        long pir = 0;
+        long pburst = 0;
+        PiMeterBand[] bands = config.meterBands().toArray(new PiMeterBand[config.meterBands().size()]);
+        if (bands.length == 2) {
+            if (bands[0].rate() > bands[1].rate()) {
+                cir = bands[1].rate();
+                cburst = bands[1].burst();
+                pir = bands[0].rate();
+                pburst = bands[0].burst();
+            } else {
+                cir = bands[0].rate();
+                cburst = bands[0].burst();
+                pir = bands[1].rate();
+                pburst = bands[1].burst();
+            }
+        }
+
+        // Encode PI cell ID into entity message and add to read request.
+        switch (config.cellId().meterType()) {
+            case INDIRECT:
+                meterId = browser.meters().getByName(config.cellId().meterId().id()).getPreamble().getId();
+                entity = Entity.newBuilder().setMeterEntry(MeterEntry
+                                                                   .newBuilder().setMeterId(meterId)
+                                                                   .setIndex(config.cellId().index())
+                                                                   .setConfig(MeterConfig.newBuilder()
+                                                                                      .setCir(cir)
+                                                                                      .setCburst(cburst)
+                                                                                      .setPir(pir)
+                                                                                      .setPburst(pburst)
+                                                                                      .build())
+                                                                   .build())
+                        .build();
+                break;
+            case DIRECT:
+                meterId = browser.directMeters().getByName(config.cellId().meterId().id()).getPreamble().getId();
+                DirectMeterEntry.Builder entryBuilder = DirectMeterEntry.newBuilder()
+                        .setMeterId(meterId)
+                        .setConfig(MeterConfig.newBuilder()
+                                           .setCir(cir)
+                                           .setCburst(cburst)
+                                           .setPir(pir)
+                                           .setPburst(pburst)
+                                           .build());
+
+                if (!config.cellId().tableEntry().equals(PiTableEntry.EMTPY)) {
+                    entryBuilder.setTableEntry(TableEntryEncoder.encode(config.cellId().tableEntry(), pipeconf));
+                }
+                entity = Entity.newBuilder().setDirectMeterEntry(entryBuilder.build()).build();
+                break;
+            default:
+                throw new EncodeException(format("Unrecognized PI meter cell ID type '%s'",
+                                                 config.cellId().meterType()));
+        }
+        meterIdMap.put(meterId, config.cellId().meterId());
+
+        return entity;
+    }
+
+    private static PiMeterCellConfig decodeMeterEntity(Entity entity, Map<Integer, PiMeterId> meterIdMap,
+                                                         PiPipeconf pipeconf)
+            throws EncodeException, P4InfoBrowser.NotFoundException {
+
+        int meterId;
+        MeterConfig meterConfig;
+
+        if (entity.getEntityCase() == METER_ENTRY) {
+            meterId = entity.getMeterEntry().getMeterId();
+            meterConfig = entity.getMeterEntry().getConfig();
+        } else {
+            meterId = entity.getDirectMeterEntry().getMeterId();
+            meterConfig = entity.getDirectMeterEntry().getConfig();
+        }
+
+        // Process only meter IDs that were requested in the first place.
+        if (!meterIdMap.containsKey(meterId)) {
+            throw new EncodeException(format("Unrecognized meter ID '%s'", meterId));
+        }
+
+        PiMeterId piMeterId = meterIdMap.get(meterId);
+        if (!pipeconf.pipelineModel().meter(piMeterId).isPresent()) {
+            throw new EncodeException(format("Unable to find meter '{}' in pipeline model",  meterId));
+        }
+
+        PiMeterType piMeterType = pipeconf.pipelineModel().meter(piMeterId).get().meterType();
+        // Compute PI cell ID.
+        PiMeterCellId piCellId;
+
+        switch (piMeterType) {
+            case INDIRECT:
+                if (entity.getEntityCase() != METER_ENTRY) {
+                    throw new EncodeException(format(
+                            "Meter ID '%s' is indirect, but processed entity is %s",
+                            piMeterId, entity.getEntityCase()));
+                }
+                piCellId = PiMeterCellId.ofIndirect(piMeterId, entity.getMeterEntry().getIndex());
+                break;
+            case DIRECT:
+                if (entity.getEntityCase() != DIRECT_METER_ENTRY) {
+                    throw new EncodeException(format(
+                            "Meter ID '%s' is direct, but processed entity is %s",
+                            piMeterId, entity.getEntityCase()));
+                }
+                PiTableEntry piTableEntry = TableEntryEncoder.decode(entity.getDirectMeterEntry().getTableEntry(),
+                                                                     pipeconf);
+                piCellId = PiMeterCellId.ofDirect(piMeterId, piTableEntry);
+                break;
+            default:
+                throw new EncodeException(format("Unrecognized PI meter ID type '%s'", piMeterType));
+        }
+
+        PiMeterCellConfig.Builder builder = PiMeterCellConfig.builder();
+        builder.withMeterBand(new PiMeterBand(meterConfig.getCir(), meterConfig.getCburst()));
+        builder.withMeterBand(new PiMeterBand(meterConfig.getPir(), meterConfig.getPburst()));
+
+        return builder.withMeterCellId(piCellId).build();
+    }
+}
\ No newline at end of file
diff --git a/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/P4RuntimeClientImpl.java b/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/P4RuntimeClientImpl.java
index ac6d9f0..609c5c5 100644
--- a/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/P4RuntimeClientImpl.java
+++ b/protocols/p4runtime/ctl/src/main/java/org/onosproject/p4runtime/ctl/P4RuntimeClientImpl.java
@@ -44,6 +44,10 @@
 import org.onosproject.net.pi.runtime.PiCounterCellData;
 import org.onosproject.net.pi.runtime.PiCounterCellId;
 import org.onosproject.net.pi.runtime.PiEntity;
+import org.onosproject.net.pi.runtime.PiMeterCellConfig;
+import org.onosproject.net.pi.runtime.PiMeterCellId;
+import org.onosproject.net.pi.model.PiMeterType;
+import org.onosproject.net.pi.model.PiMeterId;
 import org.onosproject.net.pi.runtime.PiPacketOperation;
 import org.onosproject.net.pi.runtime.PiTableEntry;
 import org.onosproject.net.pi.service.PiPipeconfService;
@@ -127,6 +131,8 @@
     private Map<Uint128, CompletableFuture<Boolean>> arbitrationUpdateMap = Maps.newConcurrentMap();
     protected Uint128 p4RuntimeElectionId;
 
+    private static final long DEFAULT_INDEX = 0;
+
     /**
      * Default constructor.
      *
@@ -275,6 +281,51 @@
     public CompletableFuture<Boolean> sendMasterArbitrationUpdate() {
         return supplyInContext(this::doArbitrationUpdate, "arbitrationUpdate");
     }
+    public CompletableFuture<Boolean> writeMeterCells(Collection<PiMeterCellConfig> cellIds, PiPipeconf pipeconf) {
+
+        return supplyInContext(() -> doWriteMeterCells(cellIds, pipeconf),
+                               "writeMeterCells");
+    }
+
+    @Override
+    public CompletableFuture<Collection<PiMeterCellConfig>> readMeterCells(Set<PiMeterCellId> cellIds,
+                                                                           PiPipeconf pipeconf) {
+        return supplyInContext(() -> doReadMeterCells(cellIds, pipeconf),
+                               "readMeterCells-" + cellIds.hashCode());
+    }
+
+    @Override
+    public CompletableFuture<Collection<PiMeterCellConfig>> readAllMeterCells(Set<PiMeterId> meterIds,
+                                                                                PiPipeconf pipeconf) {
+
+        /*
+        From p4runtime.proto, the scope of a ReadRequest is defined as follows:
+        MeterEntry:
+            - All meter cells for all meters if meter_id = 0 (default).
+            - All meter cells for given meter_id if index = 0 (default).
+        DirectCounterEntry:
+            - All meter cells for all meters if meter_id = 0 (default).
+            - All meter cells for given meter_id if table_entry.match is empty.
+         */
+
+        Set<PiMeterCellId> cellIds = Sets.newHashSet();
+        for (PiMeterId meterId : meterIds) {
+            PiMeterType meterType = pipeconf.pipelineModel().meter(meterId).get().meterType();
+            switch (meterType) {
+                case INDIRECT:
+                    cellIds.add(PiMeterCellId.ofIndirect(meterId, DEFAULT_INDEX));
+                    break;
+                case DIRECT:
+                    cellIds.add(PiMeterCellId.ofDirect(meterId, PiTableEntry.EMTPY));
+                    break;
+                default:
+                    log.warn("Unrecognized PI meter type '{}'", meterType);
+            }
+        }
+
+        return supplyInContext(() -> doReadMeterCells(cellIds, pipeconf),
+                               "readAllMeterCells-" + cellIds.hashCode());
+    }
 
     /* Blocking method implementations below */
 
@@ -738,6 +789,74 @@
         }
     }
 
+    private Collection<PiMeterCellConfig> doReadMeterCells(Collection<PiMeterCellId> cellIds, PiPipeconf pipeconf) {
+
+        // We use this map to remember the original PI meter IDs of the returned response.
+        Map<Integer, PiMeterId> meterIdMap = Maps.newHashMap();
+        Collection<PiMeterCellConfig> piMeterCellConfigs = cellIds.stream()
+                .map(cellId -> PiMeterCellConfig.builder()
+                        .withMeterCellId(cellId).build())
+                .collect(Collectors.toList());
+
+        final ReadRequest request = ReadRequest.newBuilder()
+                .setDeviceId(p4DeviceId)
+                .addAllEntities(MeterEntryCodec.encodePiMeterCellConfigs(piMeterCellConfigs, meterIdMap, pipeconf))
+                .build();
+
+        if (request.getEntitiesList().size() == 0) {
+            return Collections.emptyList();
+        }
+
+        final Iterable<ReadResponse> responses;
+        try {
+            responses = () -> blockingStub.read(request);
+        } catch (StatusRuntimeException e) {
+            log.warn("Unable to read meters config: {}", e.getMessage());
+            log.debug("exception", e);
+            return Collections.emptyList();
+        }
+
+        List<Entity> entities = StreamSupport.stream(responses.spliterator(), false)
+                .map(ReadResponse::getEntitiesList)
+                .flatMap(List::stream)
+                .collect(Collectors.toList());
+
+        return MeterEntryCodec.decodeMeterEntities(entities, meterIdMap, pipeconf);
+    }
+
+    private boolean doWriteMeterCells(Collection<PiMeterCellConfig> cellIds, PiPipeconf pipeconf) {
+
+        final Map<Integer, PiMeterId> meterIdMap = Maps.newHashMap();
+        WriteRequest.Builder writeRequestBuilder = WriteRequest.newBuilder();
+
+        Collection<Update> updateMsgs = MeterEntryCodec.encodePiMeterCellConfigs(cellIds, meterIdMap, pipeconf)
+                .stream()
+                .map(meterEntryMsg ->
+                             Update.newBuilder()
+                                     .setEntity(meterEntryMsg)
+                                     .setType(UPDATE_TYPES.get(WriteOperationType.MODIFY))
+                                     .build())
+                .collect(Collectors.toList());
+
+        if (updateMsgs.size() == 0) {
+            return true;
+        }
+
+        writeRequestBuilder
+                .setDeviceId(p4DeviceId)
+                .setElectionId(p4RuntimeElectionId)
+                .addAllUpdates(updateMsgs)
+                .build();
+        try {
+            blockingStub.write(writeRequestBuilder.build());
+            return true;
+        } catch (StatusRuntimeException e) {
+            log.warn("Unable to write meter entries : {}", e.getMessage());
+            log.debug("exception", e);
+            return false;
+        }
+    }
+
     /**
      * Returns the internal P4 device ID associated with this client.
      *