Changes between Version 5 and Version 6 of Tutorials/4G5G/Inter Digital-5G

Timestamp:

Feb 28, 2020, 10:00:56 PM (4 years ago)

Author:

seskar

Comment:

—

Tutorials/4G5G/Inter Digital-5G

@@ -10 +10 @@
 The setup for experimenting with the InterDigital 5G-NR mmWave platform is shown in Figure 1.
 
-[[Image(InterDigital-5G-NR-Tut.png)]]
+[[Image(InterDigital-5G-NR-Tut.png, 800px)]]
 
--Two nodes for controling gNodeB and UE
--Three subnets as shown
--routing 
+TODDO Experimetn Description:
+ * gNodeB and UE 
+ * Two nodes for controling them 
+ * Three subnets as shown
+ * routing
+ 
 Follow the steps below to gain access to the [wiki:/hardware/Domains/sb1 sandbox 1 console] and set up nodes with appropriate images. 
  1. If you don't have one already, sign up for a [https://www.cosmos-lab.org/portal-2/ COSMOS account]
@@ -23 +26 @@
 ||  SSH ession 1 for gNodeB                        ||  SSH Session 2 for UE                   ||
 || {{{omf load -t srv3-lg1 -i ID-5G-gNB.ndz }}} || {{{omf load -t srv4-lg1 -i ID-5G-UE.ndz}}} ||
- 1. Turn the server nodes and !InterDigital units on:
+ 1. Turn the server nodes and NR platform devices on:
 {{{
 omf tell -a on -t srv3-lg1,srv4-lg1,rfdev2-1,rfdev2-2
 }}}
+   
+== Execution ==
 
-== Execution ==
 === Configure Routing on the two compute nodes ===
 
@@ -43 +47 @@
 }}}
 
-The NR Platform will automatically “connect” a link between the gNB and UR.  This can be verified via the NR GUI
+The two scripts will start the appropriate firmware on both NR Platform devices and setup routing to push the test traffic from the server that is attached to UE through the 5G-NR link. The NR Platform will automatically “connect” a link between the gNB and UR. This can be verified via the NR GUI
+
+The two scripts are shown in the table below:
+
+{{{#!td align=center
+setup_gNodeB.sh
+}}}
+|---------------
+{{{#!td
+{{{
+#!/bin/bash
+# Start the gNodeB on the MPU
+sshpass -p "root" ssh -o StrictHostKeyChecking=no root@192.168.1.2 "sh /home/root/start_all.sh &"
+# Turn on routing 
+echo 1 > /proc/sys/net/ipv4/ip_forward
+sysctl -w net.ipv4.ip_no_pmtu_disc=1
+# Add rotuing for the two subnets "behind" the gNodeB
+ip route add 192.168.2.0/24 via 192.168.1.2
+ip route add 192.168.3.0/24 via 192.168.1.2
+# and configure NAT for them
+iptables -t nat -A POSTROUTING -o eth1 -j MASQUERADE
+iptables -A FORWARD -i eth1 -o eth0 -m state --state RELATED,ESTABLISHED -j ACCEPT
+iptables -A FORWARD -i eth0 -o eth1 -j ACCEPT
+}}}
+}}}
+|---------------
+{{{#!td align=center
+setup_UE.sh 
+}}}
+|---------------
+{{{#!td
+{{{
+#!/bin/bash
+# Start the UE on the MPU
+sshpass -p "root" ssh -o StrictHostKeyChecking=no root@192.168.2.1 "sh /home/root/start_all.sh &"
+# Turn on routing
+echo 1 > /proc/sys/net/ipv4/ip_forward
+sysctl -w net.ipv4.ip_no_pmtu_disc=1
+# Route all internal 5G traffic through MPU
+ip route add 192.168.1.0/24 via 192.168.2.1 dev eth0
+# Except for the testbed bound traffic
+ip r add 10/8 dev eth1
+# Everything else goes over 5G ink
+ip r add default via 192.168.1.1
+}}}
+}}}
 
 === NR GUI Setup & Instructions ===