diff --git a/.github/workflows/sc-client-server-deb10.yml b/.github/workflows/sc-client-server-deb10.yml
index 53626639..de4ca19f 100644
--- a/.github/workflows/sc-client-server-deb10.yml
+++ b/.github/workflows/sc-client-server-deb10.yml
@@ -7,7 +7,6 @@ on:
     paths:
       - '.github/workflows/sc-client-server-deb10.yml'
       - 'dockerfiles/buster/Dockerfile.client'
-      - 'dockerfiles/buster/Dockerfile.saithrift-client'
       - 'dockerfiles/buster/Dockerfile.server'
       - 'npu/broadcom/BCM56850/saivs/Dockerfile.server'
       - 'common/**'
@@ -23,11 +22,12 @@ on:
       - 'sai.env'
 
 env:
-  DOCKER_BASE: 'dockerfiles/buster/Dockerfile'
-  DOCKER_REDIS: 'npu/broadcom/BCM56850/saivs/Dockerfile'
-  DOCKER_THRIFT: 'npu/broadcom/BCM56850/saivs/Dockerfile.saithrift'
-  REDIS_RPC: 0
-  THRIFT_RPC: 0
+  DOCKER_CLIENT: 'dockerfiles/buster/Dockerfile.client'
+  DOCKER_SERVER_BASE: 'dockerfiles/buster/Dockerfile.server'
+  DOCKER_SERVER: 'npu/broadcom/BCM56850/saivs/Dockerfile.server'
+  REDIS_CLIENT: 0
+  REDIS_SERVER: 0
+
 
 jobs:
   build-sc-server:
@@ -43,23 +43,25 @@ jobs:
     - name: Check what files were updated
       id: check_changes
       run: |
-        echo 'changed_files=$(git diff --name-only origin/HEAD | xargs)' >> $GITHUB_OUTPUT
+        echo 'changed_files<<EOF' >> $GITHUB_OUTPUT
+        echo "$(git diff --name-only HEAD~1)" >> $GITHUB_OUTPUT
+        echo 'EOF' >> $GITHUB_OUTPUT
 
     - name: Check what Docker images have to be rebuild
       run: |
-        for file in "$DOCKER_BASE" "$DOCKER_REDIS" "sai.env"; do
+        for file in "$DOCKER_SERVER_BASE" "$DOCKER_SERVER" "sai.env"; do
           if [[ "${{ steps.check_changes.outputs.changed_files }}" == *"$file"* ]]; then
-            echo "REDIS_RPC=1" >> $GITHUB_ENV
+            echo "REDIS_SERVER=1" >> $GITHUB_ENV
           fi
         done
     
     - name: Build server Docker image
       run: ./build.sh -i server -o deb10
-      if: ${{ env.REDIS_RPC == '1' }}
+      if: ${{ env.REDIS_SERVER == '1' }}
     
     - name: Pull SAI-C server
       run: ./run.sh -i server -o deb10
-      if: ${{ env.REDIS_RPC == '0' }}
+      if: ${{ env.REDIS_SERVER == '0' }}
     
     - name: Save server Docker image
       run: docker save sc-server-trident2-saivs > sc-server.tar
@@ -82,24 +84,25 @@ jobs:
     - name: Check what files were updated
       id: check_changes
       run: |
-        echo 'changed_files=$(git diff --name-only origin/HEAD | xargs)' >> $GITHUB_OUTPUT
+        echo 'changed_files<<EOF' >> $GITHUB_OUTPUT
+        echo "$(git diff --name-only HEAD~1)" >> $GITHUB_OUTPUT
+        echo 'EOF' >> $GITHUB_OUTPUT
 
     - name: Check what Docker images have to be rebuild
       run: |
-        changed_files=$(git diff --name-only origin/HEAD | xargs)
-        for file in "$DOCKER_BASE" "$DOCKER_REDIS" "sai.env"; do
-          if [[ "$changed_files" == *"$file"* ]]; then
-            echo "REDIS_RPC=1"
+        for file in "$DOCKER_CLIENT" "sai.env"; do
+          if [[ "${{ steps.check_changes.outputs.changed_files }}" == *"$file"* ]]; then
+            echo "REDIS_CLIENT=1" >> $GITHUB_ENV
           fi
         done
 
     - name: Build client Docker image
       run: ./build.sh -i client -o deb10 --nosnappi
-      if: ${{ env.REDIS_RPC == '1' }}
+      if: ${{ env.REDIS_CLIENT == '1' }}
     
     - name: Pull SAI-C client
       run: ./run.sh -i client -o deb10
-      if: ${{ env.REDIS_RPC == '0' }}
+      if: ${{ env.REDIS_CLIENT == '0' }}
     
     - name: Save client Docker image
       run: docker save sc-client > sc-client.tar
@@ -147,10 +150,10 @@ jobs:
       run: ./run.sh -i server -o deb10
     - name: Update SAI-C server package
       run: ./exec.sh -i server --no-tty pip3 install /sai-challenger/common /sai-challenger
-      if: ${{ env.REDIS_RPC == '0' }}
+      if: ${{ env.REDIS_SERVER == '0' }}
     - name: Update SAI-C client package
       run: ./exec.sh -i client --no-tty pip3 install /sai-challenger/common /sai-challenger
-      if: ${{ env.REDIS_RPC == '0' }}
+      if: ${{ env.REDIS_CLIENT == '0' }}
     - name: Create veth links between client and server dockers
       run: sudo ./veth-create-host.sh sc-server-trident2-saivs-run sc-client-run
 
diff --git a/.github/workflows/sc-client-server-deb11.yml b/.github/workflows/sc-client-server-deb11.yml
index 1a332b11..b6639c5b 100644
--- a/.github/workflows/sc-client-server-deb11.yml
+++ b/.github/workflows/sc-client-server-deb11.yml
@@ -7,7 +7,6 @@ on:
     paths:
       - '.github/workflows/sc-client-server-deb11.yml'
       - 'dockerfiles/bullseye/Dockerfile.client'
-      - 'dockerfiles/bullseye/Dockerfile.saithrift-client'
       - 'dockerfiles/bullseye/Dockerfile.server'
       - 'npu/broadcom/BCM56850/saivs/Dockerfile.server'
       - 'common/**'
@@ -23,11 +22,11 @@ on:
       - 'sai.env'
 
 env:
-  DOCKER_BASE: 'dockerfiles/bullseye/Dockerfile'
-  DOCKER_REDIS: 'npu/broadcom/BCM56850/saivs/Dockerfile'
-  DOCKER_THRIFT: 'npu/broadcom/BCM56850/saivs/Dockerfile.saithrift'
-  REDIS_RPC: 0
-  THRIFT_RPC: 0
+  DOCKER_CLIENT: 'dockerfiles/bullseye/Dockerfile.client'
+  DOCKER_SERVER_BASE: 'dockerfiles/bullseye/Dockerfile.server'
+  DOCKER_SERVER: 'npu/broadcom/BCM56850/saivs/Dockerfile.server'
+  REDIS_CLIENT: 0
+  REDIS_SERVER: 0
 
 jobs:
   build-sc-server:
@@ -43,23 +42,25 @@ jobs:
     - name: Check what files were updated
       id: check_changes
       run: |
-        echo 'changed_files=$(git diff --name-only origin/HEAD | xargs)' >> $GITHUB_OUTPUT
+        echo 'changed_files<<EOF' >> $GITHUB_OUTPUT
+        echo "$(git diff --name-only HEAD~1)" >> $GITHUB_OUTPUT
+        echo 'EOF' >> $GITHUB_OUTPUT
 
     - name: Check what Docker images have to be rebuild
       run: |
-        for file in "$DOCKER_BASE" "$DOCKER_REDIS" "sai.env"; do
+        for file in "$DOCKER_SERVER_BASE" "$DOCKER_SERVER" "sai.env"; do
           if [[ "${{ steps.check_changes.outputs.changed_files }}" == *"$file"* ]]; then
-            echo "REDIS_RPC=1" >> $GITHUB_ENV
+            echo "REDIS_SERVER=1" >> $GITHUB_ENV
           fi
         done
     
     - name: Build server Docker image
       run: ./build.sh -i server -o deb11
-      if: ${{ env.REDIS_RPC == '1' }}
+      if: ${{ env.REDIS_SERVER == '1' }}
 
     - name: Pull SAI-C server
       run: ./run.sh -i server -o deb11
-      if: ${{ env.REDIS_RPC == '0' }}
+      if: ${{ env.REDIS_SERVER == '0' }}
         
     - name: Save server Docker image
       run: docker save sc-server-trident2-saivs > sc-server.tar
@@ -82,23 +83,25 @@ jobs:
     - name: Check what files were updated
       id: check_changes
       run: |
-        echo 'changed_files=$(git diff --name-only origin/HEAD | xargs)' >> $GITHUB_OUTPUT
+        echo 'changed_files<<EOF' >> $GITHUB_OUTPUT
+        echo "$(git diff --name-only HEAD~1)" >> $GITHUB_OUTPUT
+        echo 'EOF' >> $GITHUB_OUTPUT
 
     - name: Check what Docker images have to be rebuild
       run: |
-        for file in "$DOCKER_BASE" "$DOCKER_REDIS" "sai.env"; do
+        for file in "$DOCKER_CLIENT" "sai.env"; do
           if [[ "${{ steps.check_changes.outputs.changed_files }}" == *"$file"* ]]; then
-            echo "REDIS_RPC=1" >> $GITHUB_ENV
+            echo "REDIS_CLIENT=1" >> $GITHUB_ENV
           fi
         done
 
     - name: Build client Docker image
       run: ./build.sh -i client -o deb11 --nosnappi
-      if: ${{ env.REDIS_RPC == '1' }}
+      if: ${{ env.REDIS_CLIENT == '1' }}
     
     - name: Pull SAI-C client
       run: ./run.sh -i client -o deb11
-      if: ${{ env.REDIS_RPC == '0' }}
+      if: ${{ env.REDIS_CLIENT == '0' }}
     
     - name: Save client Docker image
       run: docker save sc-client > sc-client.tar
@@ -146,10 +149,10 @@ jobs:
       run: ./run.sh -i server -o deb11
     - name: Update SAI-C server package
       run: ./exec.sh -i server --no-tty pip3 install /sai-challenger/common /sai-challenger
-      if: ${{ env.REDIS_RPC == '0' }}
+      if: ${{ env.REDIS_SERVER == '0' }}
     - name: Update SAI-C client package
       run: ./exec.sh -i client --no-tty pip3 install /sai-challenger/common /sai-challenger
-      if: ${{ env.REDIS_RPC == '0' }}
+      if: ${{ env.REDIS_CLIENT == '0' }}
     - name: Create veth links between client and server dockers
       run: sudo ./veth-create-host.sh sc-server-trident2-saivs-run sc-client-run
 
diff --git a/.github/workflows/sc-standalone-deb10.yml b/.github/workflows/sc-standalone-deb10.yml
index 57688b62..d88caef9 100644
--- a/.github/workflows/sc-standalone-deb10.yml
+++ b/.github/workflows/sc-standalone-deb10.yml
@@ -42,7 +42,9 @@ jobs:
     - name: Check what files were updated
       id: check_changes
       run: |
-        echo 'changed_files=$(git diff --name-only origin/HEAD | xargs)' >> $GITHUB_OUTPUT
+        echo 'changed_files<<EOF' >> $GITHUB_OUTPUT
+        echo "$(git diff --name-only HEAD~1)" >> $GITHUB_OUTPUT
+        echo 'EOF' >> $GITHUB_OUTPUT
 
     - name: Check what Docker images have to be rebuild
       run: |
diff --git a/.github/workflows/sc-standalone-deb11.yml b/.github/workflows/sc-standalone-deb11.yml
index f237ae68..094e5360 100644
--- a/.github/workflows/sc-standalone-deb11.yml
+++ b/.github/workflows/sc-standalone-deb11.yml
@@ -42,7 +42,9 @@ jobs:
     - name: Check what files were updated
       id: check_changes
       run: |
-        echo 'changed_files=$(git diff --name-only origin/HEAD | xargs)' >> $GITHUB_OUTPUT
+        echo 'changed_files<<EOF' >> $GITHUB_OUTPUT
+        echo "$(git diff --name-only HEAD~1)" >> $GITHUB_OUTPUT
+        echo 'EOF' >> $GITHUB_OUTPUT
 
     - name: Check what Docker images have to be rebuild
       run: |
diff --git a/build.sh b/build.sh
index 02fb1f12..ddfddbf8 100755
--- a/build.sh
+++ b/build.sh
@@ -15,7 +15,6 @@ TARGET=""
 SAI_INTERFACE="redis"
 BASE_OS="buster"
 NOSNAPPI=""
-CACHE=""
 
 declare -A base_os_map
 base_os_map["deb10"]="buster"
@@ -41,8 +40,6 @@ print-help() {
     echo "     Docker image base OS"
     echo "  --nosnappi"
     echo "     Do not include snappi to the final image"
-    echo "  --nocache"
-    echo "     Rebuild Docker images (--no-cache)"
     echo
     exit 0
 }
@@ -77,9 +74,6 @@ while [[ $# -gt 0 ]]; do
         "--nosnappi")
             NOSNAPPI="y"
         ;;
-        "--nocache")
-            CACHE="--no-cache "
-        ;;
     esac
     shift
 done
@@ -151,20 +145,20 @@ trap print-build-options EXIT
 
 # Build base Docker image
 if [ "${IMAGE_TYPE}" = "standalone" ]; then
-    docker build -f dockerfiles/${BASE_OS}/Dockerfile -t sc-base:${BASE_OS} ${CACHE} .
+    docker build -f dockerfiles/${BASE_OS}/Dockerfile -t sc-base:${BASE_OS} .
 elif [ "${IMAGE_TYPE}" = "server" ]; then
     find ${ASIC_PATH}/../ -type f -name \*.py -exec install -D {} .build/{} \;
     find ${ASIC_PATH}/../ -type f -name \*.json -exec install -D {} .build/{} \;
     if [ "${SAI_INTERFACE}" = "thrift" ]; then
-        docker build -f dockerfiles/${BASE_OS}/Dockerfile.saithrift-server -t sc-thrift-server-base:${BASE_OS} ${CACHE} .
+        docker build -f dockerfiles/${BASE_OS}/Dockerfile.saithrift-server -t sc-thrift-server-base:${BASE_OS} .
     else
-        docker build -f dockerfiles/${BASE_OS}/Dockerfile.server -t sc-server-base:${BASE_OS} ${CACHE} .
+        docker build -f dockerfiles/${BASE_OS}/Dockerfile.server -t sc-server-base:${BASE_OS} .
     fi
     rm -rf .build/
 else
-    docker build -f dockerfiles/${BASE_OS}/Dockerfile.client --build-arg NOSNAPPI=${NOSNAPPI} -t sc-client:${BASE_OS} ${CACHE} .
+    docker build -f dockerfiles/${BASE_OS}/Dockerfile.client --build-arg NOSNAPPI=${NOSNAPPI} -t sc-client:${BASE_OS} .
     if [ "${SAI_INTERFACE}" = "thrift" ]; then
-        docker build -f dockerfiles/${BASE_OS}/Dockerfile.saithrift-client -t sc-thrift-client:${BASE_OS} ${CACHE} .
+        docker build -f dockerfiles/${BASE_OS}/Dockerfile.saithrift-client -t sc-thrift-client:${BASE_OS} .
     fi
     exit 0
 fi
@@ -174,15 +168,15 @@ pushd "${ASIC_PATH}/${TARGET}"
 IMG_NAME=$(echo "${ASIC_TYPE}-${TARGET}" | tr '[:upper:]' '[:lower:]')
 if [ "${IMAGE_TYPE}" = "standalone" ]; then
     if [ "${SAI_INTERFACE}" = "thrift" ]; then
-        docker build -f Dockerfile.saithrift --build-arg BASE_OS=${BASE_OS} -t sc-thrift-${IMG_NAME}:${BASE_OS} ${CACHE} .
+        docker build -f Dockerfile.saithrift --build-arg BASE_OS=${BASE_OS} -t sc-thrift-${IMG_NAME}:${BASE_OS} .
     else
-        docker build -f Dockerfile --build-arg BASE_OS=${BASE_OS} -t sc-${IMG_NAME}:${BASE_OS} ${CACHE} .
+        docker build -f Dockerfile --build-arg BASE_OS=${BASE_OS} -t sc-${IMG_NAME}:${BASE_OS} .
     fi
 elif [ "${IMAGE_TYPE}" = "server" ]; then
     if [ "${SAI_INTERFACE}" = "thrift" ]; then
-        docker build -f Dockerfile.saithrift-server --build-arg BASE_OS=${BASE_OS} -t sc-thrift-server-${IMG_NAME}:${BASE_OS} ${CACHE} .
+        docker build -f Dockerfile.saithrift-server --build-arg BASE_OS=${BASE_OS} -t sc-thrift-server-${IMG_NAME}:${BASE_OS} .
     else
-        docker build -f Dockerfile.server --build-arg BASE_OS=${BASE_OS} -t sc-server-${IMG_NAME}:${BASE_OS} ${CACHE} .
+        docker build -f Dockerfile.server --build-arg BASE_OS=${BASE_OS} -t sc-server-${IMG_NAME}:${BASE_OS} .
     fi
 fi
 popd
diff --git a/common/sai.py b/common/sai.py
index 3b7fd28b..d83eb1a8 100644
--- a/common/sai.py
+++ b/common/sai.py
@@ -338,7 +338,9 @@ def get_by_type(self, obj, attr, attr_type, do_assert=False):
         unsupported_types = [
                                 "sai_port_eye_values_list_t", "sai_prbs_rx_state_t",
                                 "sai_port_err_status_list_t", "sai_fabric_port_reachability_t",
-                                "sai_port_lane_latch_status_list_t", "sai_latch_status_t"
+                                "sai_port_lane_latch_status_list_t", "sai_latch_status_t",
+                                "sai_port_frequency_offset_ppm_list_t", "sai_port_snr_list_t",
+                                "sai_acl_chain_list_t"
                             ]
         if attr_type == "sai_object_list_t":
             status, data = self.get(obj, [attr, "1:oid:0x0"], do_assert)
diff --git a/common/sai_client/sai_redis_client/sai_redis_client.py b/common/sai_client/sai_redis_client/sai_redis_client.py
index ebfbb795..2782302e 100644
--- a/common/sai_client/sai_redis_client/sai_redis_client.py
+++ b/common/sai_client/sai_redis_client/sai_redis_client.py
@@ -86,16 +86,10 @@ def operate(self, obj, attrs, op):
         if self.asic_channel is None:
             self.__assert_syncd_running()
 
+        # Clean-up Redis RPC I/O pipe
         self.r.delete("GETRESPONSE_KEY_VALUE_OP_QUEUE")
-
-        tout = 0.01
-        attempts = self.attempts
-        while len(self.r.lrange("GETRESPONSE_KEY_VALUE_OP_QUEUE", 0, -1)) > 0 and attempts > 0:
-            time.sleep(0.01)
-            attempts -= 1
-
-        if attempts == 0:
-            return []
+        status = self.r.lrange("GETRESPONSE_KEY_VALUE_OP_QUEUE", 0, -1)
+        assert len(status) == 0, "Redis RPC I/O failure!"
 
         # Remove spaces from the key string.
         # Required by sai_deserialize_route_entry() in sonic-sairedis.
@@ -107,22 +101,25 @@ def operate(self, obj, attrs, op):
         self.r.lpush("ASIC_STATE_KEY_VALUE_OP_QUEUE", obj, attrs, op)
         self.r.publish(self.asic_channel, "G")
 
-        status = []
-        attempts = self.attempts
-
-        # Wait upto 3 mins for switch init
         if obj.startswith("SAI_OBJECT_TYPE_SWITCH") and op == "Screate":
+            # Wait upto 3 mins for switch init
             tout = 0.5
             attempts = 240
+        else:
+            tout = 0.01
+            attempts = self.attempts
 
+        # Get response
+        status = self.r.lrange("GETRESPONSE_KEY_VALUE_OP_QUEUE", 0, -1)
         while len(status) < 3 and attempts > 0:
+            assert self.__check_syncd_running(), "FATAL - SyncD has exited or crashed!"
             time.sleep(tout)
             attempts -= 1
             status = self.r.lrange("GETRESPONSE_KEY_VALUE_OP_QUEUE", 0, -1)
 
         self.r.delete("GETRESPONSE_KEY_VALUE_OP_QUEUE")
 
-        assert len(status) == 3, "SAI \"{}\" operation failure!".format(op)
+        assert len(status) == 3, f"SAI \"{op[1:]}\" operation failure!"
         return status
 
     def create(self, obj, attrs, do_assert=True):
@@ -543,18 +540,22 @@ def vid_to_rid(self, vid):
             assert rid.startswith("oid:"), f"Invalid RID format {vid}"
         return rid
 
+    def __check_syncd_running(self):
+        if self.asic_db == 1:
+            numsub = self.r.execute_command('PUBSUB', 'NUMSUB', 'ASIC_STATE_CHANNEL')
+            if numsub[1] >= 1:
+                # SONiC 202111 or older detected
+                return "ASIC_STATE_CHANNEL"
+        numsub = self.r.execute_command('PUBSUB', 'NUMSUB', f'ASIC_STATE_CHANNEL@{self.asic_db}')
+        if numsub[1] >= 1:
+            # SONiC 202205 or newer detected
+            return f"ASIC_STATE_CHANNEL@{self.asic_db}"
+        return None
+
     def __assert_syncd_running(self, tout=30):
         for i in range(tout + 1):
-            if self.asic_db == 1:
-                numsub = self.r.execute_command('PUBSUB', 'NUMSUB', 'ASIC_STATE_CHANNEL')
-                if numsub[1] >= 1:
-                    # SONiC 202111 or older detected
-                    self.asic_channel = "ASIC_STATE_CHANNEL"
-                    return
-            numsub = self.r.execute_command('PUBSUB', 'NUMSUB', f'ASIC_STATE_CHANNEL@{self.asic_db}')
-            if numsub[1] >= 1:
-                # SONiC 202205 or newer detected
-                self.asic_channel = f"ASIC_STATE_CHANNEL@{self.asic_db}"
+            self.asic_channel = self.__check_syncd_running()
+            if self.asic_channel:
                 return
             if i < tout:
                 time.sleep(1)
diff --git a/common/sai_dut.py b/common/sai_dut.py
index d3f27224..95820a60 100644
--- a/common/sai_dut.py
+++ b/common/sai_dut.py
@@ -137,7 +137,7 @@ def init(self):
 
         # Write to CONFIG_DB SONiC device information needed on syncd start
         config_db = redis.Redis(host=self.server_ip, port=self.port, db=4)
-        config_db.hmset("DEVICE_METADATA|localhost", device_metadata)
+        config_db.hset("DEVICE_METADATA|localhost", mapping=device_metadata)
         config_db.set("CONFIG_DB_INITIALIZED", "1")
 
     def deinit(self):
diff --git a/configs/server/supervisord.conf.thrift b/configs/server/supervisord.conf.thrift
index d2875b93..85c77fb2 100644
--- a/configs/server/supervisord.conf.thrift
+++ b/configs/server/supervisord.conf.thrift
@@ -29,16 +29,6 @@ autostart=false
 autorestart=false
 dependent_startup=true
 
-[program:syncd]
-command=/usr/bin/syncd -s -p /etc/sai.d/sai.profile
-priority=5
-autostart=false
-autorestart=true
-stdout_logfile=syslog
-stderr_logfile=syslog
-dependent_startup=true
-dependent_startup_wait_for=rsyslogd:running wait-interfaces:exited
-
 [program:saiserver]
 command=/usr/sbin/saiserver -f /usr/share/sonic/hwsku/port_config.ini -p /usr/share/sonic/hwsku/sai.profile
 priority=3
diff --git a/dockerfiles/bullseye/Dockerfile.server b/dockerfiles/bullseye/Dockerfile.server
index 7e8d732d..60a4ef0a 100644
--- a/dockerfiles/bullseye/Dockerfile.server
+++ b/dockerfiles/bullseye/Dockerfile.server
@@ -34,7 +34,8 @@ RUN apt-get install -y \
         make libtool m4 autoconf dh-exec debhelper automake cmake pkg-config \
         libhiredis-dev libnl-3-dev libnl-genl-3-dev libnl-route-3-dev swig \
         libgtest-dev libgmock-dev libboost-dev autoconf-archive \
-        uuid-dev libboost-serialization-dev libyang-dev libyang1
+        uuid-dev libboost-serialization-dev libyang-dev libyang1 \
+        nlohmann-json3-dev
 
 RUN apt-get install -y \
         libnl-3-dev libnl-genl-3-dev libnl-route-3-dev libnl-nf-3-dev libzmq3-dev
diff --git a/dockerfiles/buster/Dockerfile.server b/dockerfiles/buster/Dockerfile.server
index d1e8c69b..371cff6d 100644
--- a/dockerfiles/buster/Dockerfile.server
+++ b/dockerfiles/buster/Dockerfile.server
@@ -40,7 +40,8 @@ RUN apt-get install -y \
         make libtool m4 autoconf dh-exec debhelper automake cmake pkg-config \
         libhiredis-dev libnl-3-dev libnl-genl-3-dev libnl-route-3-dev swig3.0 \
         libgtest-dev libgmock-dev libboost-dev autoconf-archive \
-        uuid-dev libboost-serialization-dev libyang-dev libyang0.16
+        uuid-dev libboost-serialization-dev libyang-dev libyang0.16 \
+        nlohmann-json3-dev
 
 RUN apt-get install -y \
         libnl-3-dev libnl-genl-3-dev libnl-route-3-dev libnl-nf-3-dev libzmq3-dev
diff --git a/sai.env b/sai.env
index 56f2a1c8..ba81acd2 100644
--- a/sai.env
+++ b/sai.env
@@ -1,13 +1,13 @@
 # The sonic-swss-common and sonic-sairedis commits were taken from
-# sonic-buildimage master as of Aug 15, 2023
+# sonic-buildimage master as of Sep 29, 2023
 #
-# https://github.com/sonic-net/sonic-buildimage/tree/4acaaf8
+# https://github.com/sonic-net/sonic-buildimage/tree/81a2f56
 
-SWSS_COMMON_ID=be425ed
-SAIREDIS_ID=eb24302
+SWSS_COMMON_ID=b0f148e
+SAIREDIS_ID=c22b76b
 
 # SAI version:
-#   Branch v1.11
-#   May 17, 2023
+#   Branch master (post v1.13)
+#   Sep 8, 2023
 
-SAI_ID=e0f45ea
+SAI_ID=7f7a758
diff --git a/tests/conftest.py b/tests/conftest.py
index 2148d801..05ee7384 100644
--- a/tests/conftest.py
+++ b/tests/conftest.py
@@ -50,8 +50,6 @@ def prev_test_failed():
 
 def pytest_addoption(parser):
     parser.addoption("--sai-server", action="store", default='localhost', help="SAI server IP")
-    parser.addoption("--sai-interface", action="store", default='redis', help="SAI server interface (redis|thrift)")
-    parser.addoption("--sai-server-port", action="store", default='6379', help="SAI server port")
     parser.addoption("--traffic", action="store_true", default=False, help="run tests with traffic")
     parser.addoption("--loglevel", action="store", default='NOTICE', help="syncd logging level")
     parser.addoption("--asic", action="store", default=os.getenv('SC_ASIC'), help="ASIC type")
@@ -77,10 +75,10 @@ def exec_params(request):
         "target": request.config.getoption("--target"),
         "sku": request.config.getoption("--sku"),
         "client": {
-            "type": request.config.getoption("--sai-interface"),
+            "type": "redis",
             "config": {
                 "ip": request.config.getoption("--sai-server"),
-                "port": request.config.getoption("--sai-serve-port"),
+                "port": "6379",
                 "loglevel": request.config.getoption("--loglevel")
             }
         }
diff --git a/tests/pytest.ini b/tests/pytest.ini
new file mode 100644
index 00000000..5fc853f8
--- /dev/null
+++ b/tests/pytest.ini
@@ -0,0 +1,3 @@
+[pytest]
+markers =
+    dpu: mark DPU specific tests
\ No newline at end of file