diff --git a/.dockerignore b/.dockerignore
new file mode 100644
index 0000000000000000000000000000000000000000..9fd870b8595e65c6398131d1c2b968897ff5addc
--- /dev/null
+++ b/.dockerignore
@@ -0,0 +1,8 @@
+*.log
+cmake_targets/log/
+cmake_targets/ran_build/
+common/utils/T/T_IDs.h
+common/utils/T/T_messages.txt.h
+common/utils/T/genids
+common/utils/T/genids.o
+targets/bin/
diff --git a/docker/Dockerfile.eNB.rhel8.2 b/docker/Dockerfile.eNB.rhel8.2
index ebd62e49c853b23ed945e9c26924728b7b303450..363b070934b903bc2978a1e88e4db48daadddfd2 100644
--- a/docker/Dockerfile.eNB.rhel8.2
+++ b/docker/Dockerfile.eNB.rhel8.2
@@ -49,6 +49,7 @@ RUN yum update -y && \
         nettle \
         atlas \
         net-tools \
+        iputils \
         iproute \
         libyaml && \
     echo "/usr/local/lib" > /etc/ld.so.conf.d/local-lib.conf && \
@@ -120,3 +121,4 @@ WORKDIR /opt/oai-enb
 
 #CMD ["/opt/oai-enb/bin/lte-softmodem", "-O", "/opt/oai-enb/etc/enb.conf"]
 #ENTRYPOINT ["/opt/oai-enb/bin/entrypoint.sh"]
+CMD ["sleep", "infinity"]
diff --git a/docker/Dockerfile.eNB.rhel8.2.oc4-4 b/docker/Dockerfile.eNB.rhel8.2.oc4-4
index b3d9b68af8fbf9bfa9e300121d10c8c2fbbbc1e0..039183a0f22675a62e308744596e9e4e109e6b7d 100644
--- a/docker/Dockerfile.eNB.rhel8.2.oc4-4
+++ b/docker/Dockerfile.eNB.rhel8.2.oc4-4
@@ -51,6 +51,7 @@ RUN yum update -y && \
         atlas \
         net-tools \
         iproute \
+        iputils \
         libyaml && \
     echo "/usr/local/lib" > /etc/ld.so.conf.d/local-lib.conf && \
     echo "/usr/local/lib64" >> /etc/ld.so.conf.d/local-lib.conf
@@ -121,4 +122,4 @@ WORKDIR /opt/oai-enb
 
 #CMD ["/opt/oai-enb/bin/lte-softmodem", "-O", "/opt/oai-enb/etc/enb.conf"]
 #ENTRYPOINT ["/opt/oai-enb/bin/entrypoint.sh"]
-
+CMD ["sleep", "infinity"]
diff --git a/docker/Dockerfile.eNB.ubuntu18 b/docker/Dockerfile.eNB.ubuntu18
index 334ac1b5f2d8fb14d1b161025c743d7d3c158c41..1d2fbd2729bb748714e032013edbdb7a8b8e17ce 100644
--- a/docker/Dockerfile.eNB.ubuntu18
+++ b/docker/Dockerfile.eNB.ubuntu18
@@ -64,6 +64,8 @@ RUN apt-get update && \
     add-apt-repository ppa:ettusresearch/uhd --yes && \
     apt-get update && \
     DEBIAN_FRONTEND=noninteractive apt-get install --yes \
+        net-tools \
+        iputils-ping \
         python \
         libusb-1.0-0 \
         libuhd003 \
@@ -120,3 +122,4 @@ WORKDIR /opt/oai-enb
 
 #CMD ["/opt/oai-enb/bin/lte-softmodem", "-O", "/opt/oai-enb/etc/enb.conf"]
 #ENTRYPOINT ["/opt/oai-enb/bin/entrypoint.sh"]
+CMD ["sleep", "infinity"]