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Corrected some typos, stripped dollars from bash commands to make it easier to... 

Corrected some typos, stripped dollars from bash commands to make it easier to copy and moved section 5 to the beginning because it needs to be followed at the beginning of the tutorial
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ci-scripts/yaml_files/5g_l2sim_tdd/README.md
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......@@ -13,17 +13,53 @@
</table>
This page is only valid for an `Ubuntu18` host.
I has been tested also for `Ubuntu20`.
This tutorial is only valid once this file is merged into the `develop` branch.
# 1. Adapt the `docker-compose` to your environment #
The yaml file is in the following directory: `ci-scripts/yaml_files/5g_l2sim_tdd`</br>
In the `SMF` section, provide your own DNS IP address:
```yaml
DEFAULT_DNS_IPV4_ADDRESS=172.21.3.100
```
In the `gNB` section, provide your docker-host primary IP address and interface name: in our case `172.21.16.128` and `eno1`.
```yaml
GNB_NGA_IF_NAME: eno1
GNB_NGA_IP_ADDRESS: 172.21.16.128
GNB_NGU_IF_NAME: eno1
GNB_NGU_IP_ADDRESS: 172.21.16.128
```
Same thing in the `nr-ue` section:
```yaml
NR_UE_NFAPI_IF_NAME: eno1
```
This tutorial is a first draft. This nFAPI feature and the proxy are still under development.
At time of writing, we were able to run in `host-mode`, 1 `NR-UE` and just ping traffic.
Later development will include:
- deploying `gNB-VNF`, `proxy` and `UE` in isolated containers (with their own IP address)
- more UEs
- more traffic (`UDP` and `TCP`)
# 1. Retrieving the images on Docker-Hub #
# 2. Retrieving the images on Docker-Hub #
Currently the images are hosted under the team account `oaisoftwarealliance`. They were previously hosted under the user account `rdefosseoai`.
Once again you may need to log on [docker-hub](https://hub.docker.com/) if your organization has reached pulling limit as `anonymous`.
```bash
$ docker login
docker login
```
```bash
Login with your Docker ID to push and pull images from Docker Hub. If you don't have a Docker ID, head over to https://hub.docker.com to create one.
Username:
Password:
......@@ -32,33 +68,33 @@ Password:
Now pull images.
```bash
$ docker pull mysql:8.0
$ docker pull oaisoftwarealliance/oai-amf:v1.5.0
$ docker pull oaisoftwarealliance/oai-nrf:v1.5.0
$ docker pull oaisoftwarealliance/oai-smf:v1.5.0
$ docker pull oaisoftwarealliance/oai-spgwu-tiny:v1.5.0
$ docker pull oaisoftwarealliance/trf-gen-cn5g:focal
$ docker pull oaisoftwarealliance/oai-gnb:develop
$ docker pull oaisoftwarealliance/oai-nr-ue:develop
$ docker pull oaisoftwarealliance/proxy:develop
docker pull mysql:8.0
docker pull oaisoftwarealliance/oai-amf:v1.5.0
docker pull oaisoftwarealliance/oai-nrf:v1.5.0
docker pull oaisoftwarealliance/oai-smf:v1.5.0
docker pull oaisoftwarealliance/oai-spgwu-tiny:v1.5.0
docker pull oaisoftwarealliance/trf-gen-cn5g:focal
docker pull oaisoftwarealliance/oai-gnb:develop
docker pull oaisoftwarealliance/oai-nr-ue:develop
docker pull oaisoftwarealliance/proxy:develop
```
And **re-tag** them for tutorials' docker-compose file to work.
```bash
$ docker image tag oaisoftwarealliance/proxy:develop oai-lte-multi-ue-proxy:latest
docker image tag oaisoftwarealliance/proxy:develop oai-lte-multi-ue-proxy:latest
```
```bash
$ docker logout
docker logout
```
Note that the proxy image is based on the source available at [https://github.com/EpiSci/oai-lte-5g-multi-ue-proxy](https://github.com/EpiSci/oai-lte-5g-multi-ue-proxy).
At time of writing, the `latest` tag corresponded to `56cfdc046a5f96d5e67d42a2fc2bf6ba2fe58b41` commit.
# 2. Deploy containers #
# 3. Deploy containers #
**CAUTION: this SHALL be done in multiple steps.**
......@@ -72,11 +108,13 @@ The `gNB`, `proxy` and `NR-UE` containers will be deployed in `host`-mode. It wi
sudo ifconfig lo: 127.0.0.2 netmask 255.0.0.0 up
```
## 2.1. Deploy OAI 5G Core Network ##
## 3.1. Deploy OAI 5G Core Network ##
```bash
$ cd ci-scripts/yaml_files/5g_l2sim_tdd
$ docker-compose up -d mysql oai-nrf oai-amf oai-smf oai-spgwu oai-ext-dn
cd ci-scripts/yaml_files/5g_l2sim_tdd
docker-compose up -d mysql oai-nrf oai-amf oai-smf oai-spgwu oai-ext-dn
```
```bash
Creating network "l2sim-oai-public-net" with driver "bridge"
Creating network "l2sim-oai-traffic_net-net" with driver "bridge"
Creating l2sim-oai-nrf ... done
......@@ -90,7 +128,9 @@ Creating l2sim-oai-ext-dn ... done
Wait for a bit.
```bash
$ docker-compose ps -a
docker-compose ps -a
```
```bash
Name Command State Ports
-------------------------------------------------------------------------------------------------
l2sim-mysql docker-entrypoint.sh mysqld Up (healthy) 3306/tcp, 33060/tcp
......@@ -104,7 +144,9 @@ l2sim-oai-spgwu /openair-spgwu-tiny/bin/en ... Up (healthy) 2152/udp, 880
At this point, you can prepare a capture on the newly-created public docker bridges:
```bash
$ ifconfig
ifconfig
```
```bash
...
l2sim-public: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.71.129 netmask 255.255.255.192 broadcast 192.168.71.191
......@@ -124,16 +166,19 @@ l2sim-traffic: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
TX packets 3999 bytes 23367972 (23.3 MB)
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
...
$ sudo nohup tshark -f "(host 192.168.72.135 and icmp) or (not host 192.168.72.135 and not arp and not port 53 and not port 2152 and not port 2153)" -i l2sim-public -i l2sim-traffic -w /tmp/capture_5g_l2sim_tdd.pcap > /tmp/tshark.log 2>&1 &
```
```bash
sudo nohup tshark -f "(host 192.168.72.135 and icmp) or (not host 192.168.72.135 and not arp and not port 53 and not port 2152 and not port 2153)" -i l2sim-public -i l2sim-traffic -w /tmp/capture_5g_l2sim_tdd.pcap > /tmp/tshark.log 2>&1 &
```
## 2.2. Deploy OAI gNB in Standalone Mode as a VNF ##
## 3.2. Deploy OAI gNB in Standalone Mode as a VNF ##
**CAUTION: To execute this 2nd step, the whole `CN5G` SHALL be in `healthy` state (especially the `mysql` container).**
```bash
$ docker-compose up -d oai-gnb
docker-compose up -d oai-gnb
```
```bash
l2sim-oai-nrf is up-to-date
l2sim-oai-spgwu is up-to-date
l2sim-oai-ext-dn is up-to-date
......@@ -144,6 +189,8 @@ Wait for a bit.
```bash
$ docker-compose ps -a
```
```bash
Name Command State Ports
-------------------------------------------------------------------------------------------------
l2sim-mysql docker-entrypoint.sh mysqld Up (healthy) 3306/tcp, 33060/tcp
......@@ -157,8 +204,10 @@ l2sim-oai-spgwu /openair-spgwu-tiny/bin/en ... Up (healthy) 2152/udp, 880
You can verify that the `gNB` is connected with the `AMF`:
```bagh
$ docker logs rfsim5g-oai-amf
```bash
docker logs l2sim-oai-amf
```
```bash
...
[AMF] [amf_app] [info ] |----------------------------------------------------gNBs' information-------------------------------------------|
[AMF] [amf_app] [info ] | Index | Status | Global ID | gNB Name | PLMN |
......@@ -167,10 +216,12 @@ $ docker logs rfsim5g-oai-amf
...
```
## 2.3. Deploy OAI NR-UE and proxy
## 3.3. Deploy OAI NR-UE and proxy
```bash
$ docker-compose up -d proxy oai-nr-ue0
docker-compose up -d proxy oai-nr-ue0
```
```bash
l2sim-mysql is up-to-date
l2sim-oai-nrf is up-to-date
l2sim-oai-amf is up-to-date
......@@ -185,7 +236,9 @@ Creating l2sim-proxy ... done
Wait for a bit.
```bash
$ docker-compose ps -a
docker-compose ps -a
```
```bash
Name Command State Ports
-------------------------------------------------------------------------------------------------
l2sim-mysql docker-entrypoint.sh mysqld Up (healthy) 3306/tcp, 33060/tcp
......@@ -197,8 +250,11 @@ l2sim-oai-nrf /bin/bash /openair-nrf/bin ... Up (healthy) 80/tcp, 9090/
l2sim-oai-smf /bin/bash /openair-smf/bin ... Up (healthy) 80/tcp, 8805/udp, 9090/tcp
l2sim-oai-spgwu /openair-spgwu-tiny/bin/en ... Up (healthy) 2152/udp, 8805/udp
l2sim-proxy /oai-lte-multi-ue-proxy/bi ... Up (healthy)
$ docker stats --no-stream --format "table {{.Container}}\t{{.CPUPerc}} {{.MemUsage}}\t{{.MemPerc}}" l2sim-mysql l2sim-oai-amf l2sim-oai-ext-dn l2sim-oai-gnb l2sim-oai-nr-ue0 l2sim-oai-nrf l2sim-oai-smf l2sim-oai-spgwu l2sim-proxy
```
```bash
docker stats --no-stream --format "table {{.Container}}\t{{.CPUPerc}} {{.MemUsage}}\t{{.MemPerc}}" l2sim-mysql l2sim-oai-amf l2sim-oai-ext-dn l2sim-oai-gnb l2sim-oai-nr-ue0 l2sim-oai-nrf l2sim-oai-smf l2sim-oai-spgwu l2sim-proxy
```
```bash
CONTAINER CPU % MEM USAGE / LIMIT MEM %
l2sim-mysql 0.03% 206.7MiB / 62.54GiB 0.32%
l2sim-oai-amf 4.05% 29.49MiB / 62.54GiB 0.05%
......@@ -216,7 +272,9 @@ l2sim-proxy 6.97% 290.4MiB / 62.54GiB 0.45%
But the CPU speed matters; I am running on a fast server:
```bash
$ lscpu
lscpu
```
```bash
Architecture: x86_64
CPU(s): 16
...
......@@ -239,7 +297,9 @@ We will work on this issue.
Making sure the OAI UE is connected:
```bash
$ docker exec -it l2sim-oai-nr-ue /bin/bash
docker exec -it l2sim-oai-nr-ue0 /bin/bash
```
```bash
root@bb4d400a832d:/opt/oai-nr-ue# ifconfig
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
inet 192.168.71.137 netmask 255.255.255.192 broadcast 192.168.71.191
......@@ -266,14 +326,19 @@ oaitun_ue1: flags=4305<UP,POINTOPOINT,RUNNING,NOARP,MULTICAST> mtu 1500
TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0
```
# 3. Check traffic #
# 4. Check traffic #
## 3.1. Check your Internet connectivity ##
## 4.1. Check your Internet connectivity ##
You can also check with the `ext-dn` container (IP address is `192.168.72.135` in docker-compose)
```bash
$ docker exec -it l2sim-oai-nr-ue /bin/bash
docker exec -it l2sim-oai-nr-ue0 /bin/bash
```
```bash
ping -I oaitun_ue1 -c 20 192.168.72.135
```
```bash
root@bb4d400a832d# ping -I oaitun_ue1 -c 20 192.168.72.135
PING 192.168.72.135 (192.168.72.135) from 12.1.1.2 oaitun_ue1: 56(84) bytes of data.
64 bytes from 192.168.72.135: icmp_seq=1 ttl=63 time=65.1 ms
......@@ -287,10 +352,12 @@ PING 192.168.72.135 (192.168.72.135) from 12.1.1.2 oaitun_ue1: 56(84) bytes of d
rtt min/avg/max/mdev = 16.413/120.639/209.673/57.159 ms
```
# 4. Un-deployment #
# 5. Un-deployment #
```bash
$ docker-compose down
docker-compose down
```
```bash
Stopping l2sim-oai-nr-ue2 ... done
Stopping l2sim-oai-nr-ue ... done
Stopping l2sim-oai-gnb ... done
......@@ -313,68 +380,3 @@ Removing network l2sim-oai-public-net
Removing network l2sim-oai-traffic-net
```
# 5. Adapt the `docker-compose` to your environment #
In the `SMF` section, provide your own DNS IP address:
```yaml
DEFAULT_DNS_IPV4_ADDRESS=172.21.3.100
```
gNB section:
All the parameter values will be taken from the mounted config file
```yaml
oai-gnb:
[...]
volumes:
- ../../conf_files/gnb.sa.band78.106prb.l2sim.conf:/opt/oai-gnb/etc/gnb.conf
```
with the configuration file having something like:
```libconfig
NETWORK_INTERFACES :
{
GNB_INTERFACE_NAME_FOR_NG_AMF = "eno1";
GNB_IPV4_ADDRESS_FOR_NG_AMF = "172.21.16.128";
GNB_INTERFACE_NAME_FOR_NGU = "eno1";
GNB_IPV4_ADDRESS_FOR_NGU = "172.21.16.128";
GNB_PORT_FOR_NGU = 2152; # Spec 2152
};
```
For the UE, all the parameter values will be taken from the mounted config
file. Example:
```yaml
oai-nr-ue0:
[...]
volumes:
- ../../conf_files/nrue.band78.106prb.l2sim.conf:/opt/oai-nr-ue/etc/nr-ue.conf
- ../../../openair1/SIMULATION/LTE_PHY/BLER_SIMULATIONS/AWGN/AWGN_results:/opt/oai-nr-ue/openair1/SIMULATION/LTE_PHY/BLER_SIMULATIONS/AWGN/AWGN_results
```
where the UE configuration (mounted to `/opt/oai-nr-ue/etc/nr-ue.conf`) reads
```libconfig
MACRLCs = (
{
num_cc = 1;
tr_n_preference = "nfapi";
local_n_if_name = "eno1";
remote_n_address = "127.0.0.1"; //Proxy IP
local_n_address = "127.0.0.1";
...
```
This tutorial is a first draft. This nFAPI feature and the proxy are still under development.
At time of writing, we were able to run in `host-mode`, 1 `NR-UE` and just ping traffic.
Later development will include:
- deploying `gNB-VNF`, `proxy` and `UE` in isolated containers (with their own IP address)
- more UEs
- more traffic (`UDP` and `TCP`)
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