diff --git a/configs/meson.build b/configs/meson.build
index ce78ca9b4..9e625248a 100644
--- a/configs/meson.build
+++ b/configs/meson.build
@@ -37,7 +37,7 @@ example_conf = '''
     volte.yaml
     vonr.yaml
     slice.yaml
-    srslte.yaml
+    srsenb.yaml
     non3gpp.yaml
 '''.split()
 
diff --git a/configs/srslte.yaml.in b/configs/srsenb.yaml.in
similarity index 98%
rename from configs/srslte.yaml.in
rename to configs/srsenb.yaml.in
index d5765d615..4b5d6332d 100644
--- a/configs/srslte.yaml.in
+++ b/configs/srsenb.yaml.in
@@ -57,13 +57,13 @@ mme:
       - addr: 127.0.0.2
     gummei:
       plmn_id:
-        mcc: 999
+        mcc: 901
         mnc: 70
       mme_gid: 2
       mme_code: 1
     tai:
       plmn_id:
-        mcc: 999
+        mcc: 901
         mnc: 70
       tac: 7
     security:
@@ -125,19 +125,19 @@ amf:
       - addr: 127.0.0.5
     guami:
       - plmn_id:
-          mcc: 999
+          mcc: 901
           mnc: 70
         amf_id:
           region: 2
           set: 1
     tai:
       - plmn_id:
-          mcc: 999
+          mcc: 901
           mnc: 70
         tac: 1
     plmn_support:
       - plmn_id:
-          mcc: 999
+          mcc: 901
           mnc: 70
         s_nssai:
           - sst: 1
diff --git a/docs/_docs/guide/01-quickstart.md b/docs/_docs/guide/01-quickstart.md
index c9b31d4e5..8447d9c7a 100644
--- a/docs/_docs/guide/01-quickstart.md
+++ b/docs/_docs/guide/01-quickstart.md
@@ -416,38 +416,7 @@ Enter the subscriber details of your SIM cards using this tool, to save the subs
 #### Adding a route for the UE to have WAN connectivity {#UEInternet}
 ---
 
-In order to bridge between the PGWU/UPF and WAN (Internet), you must enable IP forwarding and add a NAT rule to your IP Tables.  
-
-**Note:** For the first run, it makes things simpler if you do not have any rules in the IP/NAT tables. If a program such as docker has already set up a rule, you will need to add rules differently.
-{: .notice--danger}
-
-You can check your current IP Table rules with the following commands (these tables are empty):
-```bash
-### Check IP Tables
-$ sudo iptables -L
-Chain INPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain FORWARD (policy ACCEPT)
-target     prot opt source               destination
-
-Chain OUTPUT (policy ACCEPT)
-target     prot opt source               destination
-
-### Check NAT Tables
-$ sudo iptables -L -t nat
-Chain PREROUTING (policy ACCEPT)
-target     prot opt source               destination
-
-Chain INPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain OUTPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain POSTROUTING (policy ACCEPT)
-target     prot opt source               destination
-```
+In order to bridge between the PGWU/UPF and WAN (Internet), you must enable IP forwarding and add a NAT rule to your IP Tables.
 
 To enable forwarding and add the NAT rule, enter
 ```bash
@@ -460,9 +429,26 @@ $ sudo iptables -t nat -A POSTROUTING -s 10.45.0.0/16 ! -o ogstun -j MASQUERADE
 $ sudo ip6tables -t nat -A POSTROUTING -s 2001:db8:cafe::/48 ! -o ogstun -j MASQUERADE
 ```
 
+Configure the firewall correctly. Some operating systems (Ubuntu) by default enable firewall rules to block traffic.
+```bash
+$ sudo ufw status
+Status: inactive
+$ sudo ufw enable
+Firewall is active and enabled on system startup
+$ sudo ufw status
+Status: active
+$ sudo ufw disable
+Firewall stopped and disabled on system startup
+$ sudo ufw status
+Status: inactive
+```
+
 Optionally, you may consider the settings below for security purposes.
 
 ```bash
+### Ensure that the packets in the `INPUT` chain to the `ogstun` interface are accepted
+$ sudo iptables -I INPUT -i ogstun -j ACCEPT
+
 ### Prevent UE's from connecting to the host on which UPF is running
 $ sudo iptables -I INPUT -s 10.45.0.0/16 -j DROP
 $ sudo ip6tables -I INPUT -s 2001:db8:cafe::/48 -j DROP
@@ -473,9 +459,6 @@ $ sudo ip6tables -I INPUT -s 2001:db8:cafe::/48 -j DROP
 $ sudo iptables -I FORWARD -s 10.45.0.0/16 -d x.x.x.x/y -j DROP
 ```
 
-**Note:** The above assumes you do not have any existing rules in the filter and nat tables. If a program such as docker has already set up rules, you may need to add the Open5GS related rules differently.
-{: .notice--danger}
-
 ## 5. Turn on your eNB/gNB and UE
 ---
 
diff --git a/docs/_docs/guide/02-building-open5gs-from-sources.md b/docs/_docs/guide/02-building-open5gs-from-sources.md
index 67361f443..29b24c029 100644
--- a/docs/_docs/guide/02-building-open5gs-from-sources.md
+++ b/docs/_docs/guide/02-building-open5gs-from-sources.md
@@ -468,37 +468,13 @@ To add subscriber information, you can do WebUI operations in the following orde
 **Note:** Subscribers added with this tool immediately register in the Open5GS HSS/UDR without the need to restart any daemon. However, if you use the WebUI to change subscriber profile, you must restart the Open5GS AMF/MME daemon for the changes to take effect.
 {: .notice--warning}
 
-### IP routing + NAT for UE internet connectivity
+#### Adding a route for the UE to have WAN connectivity {#UEInternet}
 ---
 
-To allow your phones to connect to the internet, you must run the following command on the host running Open5GS-PGW:
+In order to bridge between the PGWU/UPF and WAN (Internet), you must enable IP forwarding and add a NAT rule to your IP Tables.
 
+To enable forwarding and add the NAT rule, enter
 ```bash
-### Check IP Table 'forward'
-$ sudo iptables -L
-Chain INPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain FORWARD (policy ACCEPT)
-target     prot opt source               destination
-
-Chain OUTPUT (policy ACCEPT)
-target     prot opt source               destination
-
-### Check IP Table 'nat'
-$ sudo iptables -L -t nat
-Chain PREROUTING (policy ACCEPT)
-target     prot opt source               destination
-
-Chain INPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain OUTPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain POSTROUTING (policy ACCEPT)
-target     prot opt source               destination
-
 ### Enable IPv4/IPv6 Forwarding
 $ sudo sysctl -w net.ipv4.ip_forward=1
 $ sudo sysctl -w net.ipv6.conf.all.forwarding=1
@@ -508,9 +484,26 @@ $ sudo iptables -t nat -A POSTROUTING -s 10.45.0.0/16 ! -o ogstun -j MASQUERADE
 $ sudo ip6tables -t nat -A POSTROUTING -s 2001:db8:cafe::/48 ! -o ogstun -j MASQUERADE
 ```
 
+Configure the firewall correctly. Some operating systems (Ubuntu) by default enable firewall rules to block traffic.
+```bash
+$ sudo ufw status
+Status: inactive
+$ sudo ufw enable
+Firewall is active and enabled on system startup
+$ sudo ufw status
+Status: active
+$ sudo ufw disable
+Firewall stopped and disabled on system startup
+$ sudo ufw status
+Status: inactive
+```
+
 Optionally, you may consider the settings below for security purposes.
 
 ```bash
+### Ensure that the packets in the `INPUT` chain to the `ogstun` interface are accepted
+$ sudo iptables -I INPUT -i ogstun -j ACCEPT
+
 ### Prevent UE's from connecting to the host on which UPF is running
 $ sudo iptables -I INPUT -s 10.45.0.0/16 -j DROP
 $ sudo ip6tables -I INPUT -s 2001:db8:cafe::/48 -j DROP
@@ -521,10 +514,7 @@ $ sudo ip6tables -I INPUT -s 2001:db8:cafe::/48 -j DROP
 $ sudo iptables -I FORWARD -s 10.45.0.0/16 -d x.x.x.x/y -j DROP
 ```
 
-**Note:** The above assumes you do not have any existing rules in the filter and nat tables. If a program such as docker has already set up rules, you may need to add the Open5GS related rules differently.
-{: .notice--danger}
-
-### Turn on your eNodeB and Phone
+## 5. Turn on your eNB/gNB and UE
 ---
 
 - You can see actual traffic through wireshark -- [[srsenb.pcapng]]({{ site.url }}{{ site.baseurl }}/assets/pcapng/srsenb.pcapng).
diff --git a/docs/_docs/troubleshoot/01-simple-issues.md b/docs/_docs/troubleshoot/01-simple-issues.md
index 1936ca6f4..a4ad0bf9a 100644
--- a/docs/_docs/troubleshoot/01-simple-issues.md
+++ b/docs/_docs/troubleshoot/01-simple-issues.md
@@ -151,21 +151,6 @@ __DNN/APN Requested by UE not present in UDM/HSS:__
 Ensure the DNNs/APNs requested by the UE are present in the UDM/HSS.
 
 
-#### UE shows "5G" or "LTE" Connection but has no IP Connectivity to the outside World
-If your device shows as connected (Includes 5G/LTE symbol) there are a few simple things to check to diagnose connectivity issues:
-* The UPF can contact the outside world (Can resolve DNS, browse, etc)
-* Check if the interface connected to the internet is correctly `NAT` with the `ogstun` interface.
-   - Ensure that the packets in the `INPUT` chain to the `ogstun` interface are accepted 
-   ```
-   $ sudo iptables -I INPUT -i ogstun -j ACCEPT
-   ```
-* Check if the UE's IP can be pinged successfully by performing `ping <IP of UE>` -- [e.g. `ping 10.45.0.2`]
-* Configure the firewall correctly. Some operating systems (Ubuntu) by default enable firewall rules to block traffic
-   - Explicitly disable it to see if it resolves the problem of granting data access to the UE by doing
-   ```
-   $ sudo ufw disable
-   ```
-
 ## Further Debugging
 ---
 
diff --git a/docs/_docs/tutorial/01-your-first-lte.md b/docs/_docs/tutorial/01-your-first-lte.md
index 4dccf889b..047321a64 100644
--- a/docs/_docs/tutorial/01-your-first-lte.md
+++ b/docs/_docs/tutorial/01-your-first-lte.md
@@ -13,7 +13,7 @@ First, you have to prepare USRP B200/B210 to run srsRAN. However, please keep in
 For USRP B200/B210, you can use a GPS antenna for clock synchronization. Of course, it can work without a GPS antenna, but if you have that antenna, it's a good to have a window near your desk where you can put the small GPS patch antenna. In my case, a 1 to 2 meters antenna cable is used between desk/computer and the window.
 
 This document will be described with the following equipment.
- - i5-8500 PC with Ubuntu 20.04(focal)
+ - i5-8500 PC with Ubuntu 22.04(jammy)
  - USRP B200/B210 with USB 3.0
  - iPhone XS
  - sysmoUSIM-SJS1
@@ -46,7 +46,7 @@ Bascially, you can learn how to use it in the [sysmoUSIM manual](https://www.sys
 
 ###### Install dependencies:
 ```
-$ sudo apt-get install pcscd pcsc-tools libccid libpcsclite-dev python-pyscard
+$ sudo apt-get install pcscd pcsc-tools libccid libpcsclite-dev python3-pyscard
 ```
  - Connect SIM card reader to your computer and insert programmable SIM card to the reader. 
 
@@ -70,8 +70,13 @@ Sun May 26 14:26:12 2019
 ###### Get the code of PySIM with installing dependency:
 
 ```
-$ sudo apt-get install python-pyscard python-serial python-pip
-$ pip install pytlv
+$ sudo apt-get install --no-install-recommends \
+	pcscd libpcsclite-dev \
+	python3 \
+	python3-setuptools \
+	python3-pyscard \
+	python3-pip
+ pip3 install --user -r requirements.txt
 $ git clone git://git.osmocom.org/pysim
 ```
 
@@ -122,7 +127,7 @@ Most Linux distributions provide UHD as part of their package management. On *De
 ```bash
 $ sudo add-apt-repository ppa:ettusresearch/uhd
 $ sudo apt update
-$ sudo apt install libuhd-dev libuhd003 uhd-host
+$ sudo apt install libuhd-dev uhd-host
 ```
 
 After installing, you need to download the FPGA images packages by running _uhd images downloader_ on the command line (the actual path may differ based on your installation):
@@ -133,7 +138,7 @@ $ sudo /usr/lib/uhd/utils/uhd_images_downloader.py
 
 #### 2. srsRAN
 
-On *Ubuntu 20.04(focal)*, one can install the required libraries with:
+On *Ubuntu 22.04(jammy)*, one can install the required libraries with:
 
 ```bash
 $ sudo apt install cmake libfftw3-dev libmbedtls-dev libboost-program-options-dev libconfig++-dev libsctp-dev
@@ -144,9 +149,9 @@ Download and build srsLTE:
 ```bash
 $ git clone https://github.com/srsRAN/srsRAN.git
 $ cd srsRAN
-$ git checkout release_21_10
+$ git checkout release_22_10
 $ git rev-parse HEAD
-5275f33360f1b3f1ee8d1c4d9ae951ac7c4ecd4e
+254cc719a9a31f64ce0262f4ca6ab72b1803477d
 $ mkdir build
 $ cd build
 $ cmake ../
@@ -156,13 +161,8 @@ $ make test
 
 #### 3. Open5GS
 
-Install the MongoDB packages.
-
-```bash
-```
 
 The Open5GS package is available on the recent versions of *Ubuntu*.
-
 ```bash
 # Install the MongoDB Packages
 $ wget -qO - https://www.mongodb.org/static/pgp/server-6.0.asc | sudo apt-key add -
@@ -170,13 +170,8 @@ $ echo "deb [ arch=amd64,arm64 ] https://repo.mongodb.org/apt/ubuntu focal/mongo
 $ sudo apt update
 $ sudo apt install mongodb-org
 
-# Getting the authentication key
-$ sudo apt install wget
-$ wget https://download.opensuse.org/repositories/home:/acetcom:/open5gs:/latest/xUbuntu_20.04/Release.key
-$ sudo apt-key add Release.key
-
 # Installing Open5GS
-$ sudo sh -c "echo 'deb https://download.opensuse.org/repositories/home:/acetcom:/open5gs:/latest/xUbuntu_20.04/ ./' > /etc/apt/sources.list.d/open5gs.list"
+$ sudo add-apt-repository ppa:open5gs/latest
 $ sudo apt update
 $ sudo apt install open5gs
 ```
@@ -239,18 +234,21 @@ Then proceed as follows:
 Modify [install/etc/open5gs/mme.yaml](https://github.com/{{ site.github_username }}/open5gs/blob/main/configs/open5gs/mme.yaml.in) to set the S1AP IP address, PLMN ID, and TAC.
 
 ```diff
-$ diff -u /etc/open5gs/mme.yaml.old /etc/open5gs/mme.yaml
---- mme.yaml    2020-09-05 20:52:28.648235143 -0400
-+++ mme.yaml.new    2020-09-05 20:56:05.434484208 -0400
-@@ -253,20 +253,20 @@ mme:
+$ diff --git a/configs/open5gs/mme.yaml.in b/configs/open5gs/mme.yaml.in
+index 722648dd6..c998a1e47 100644
+--- a/configs/open5gs/mme.yaml.in
++++ b/configs/open5gs/mme.yaml.in
+@@ -251,7 +251,7 @@ logger:
+ mme:
+     freeDiameter: @sysconfdir@/freeDiameter/mme.conf
      s1ap:
 -      - addr: 127.0.0.2
-+      - addr: 10.10.0.2
++      - addr: 127.0.1.2
      gtpc:
        - addr: 127.0.0.2
      metrics:
-       addr: 127.0.0.2
-       port: 9090
+@@ -259,15 +259,15 @@ mme:
+         port: 9090
      gummei:
        plmn_id:
 -        mcc: 999
@@ -263,66 +261,25 @@ $ diff -u /etc/open5gs/mme.yaml.old /etc/open5gs/mme.yaml
        plmn_id:
 -        mcc: 999
 -        mnc: 70
+-      tac: 1
 +        mcc: 310
 +        mnc: 789
-       tac: 1
++      tac: 5
      security:
          integrity_order : [ EIA2, EIA1, EIA0 ]
+         ciphering_order : [ EEA0, EEA1, EEA2 ]
 ```
 
-Modify [install/etc/open5gs/sgwu.yaml](https://github.com/{{ site.github_username }}/open5gs/blob/main/configs/open5gs/sgwu.yaml.in) to set the GTP-U IP address.
-```diff
-$ diff --git a/configs/open5gs/sgwu.yaml.in b/configs/open5gs/sgwu.yaml.in
-index 8ccf94378..25b6884a3 100644
---- a/configs/open5gs/sgwu.yaml.in
-+++ b/configs/open5gs/sgwu.yaml.in
-@@ -100,7 +100,7 @@ sgwu:
-     pfcp:
-       - addr: 127.0.0.6
-     gtpu:
--      - addr: 127.0.0.6
-+      - addr: 10.11.0.6
-
- #
- # sgwc:
-```
-
-
 After changing conf files, please restart Open5GS daemons.
 
 ```bash
 $ sudo systemctl restart open5gs-mmed.service
-$ sudo systemctl restart open5gs-sgwud.service
 ```
 
-If your phone can connect to internet, you must run the following command in Open5GS-PGW installed host. 
+In order to bridge between the PGWU/UPF and WAN (Internet), you must enable IP forwarding and add a NAT rule to your IP Tables.
 
+To enable forwarding and add the NAT rule, enter
 ```bash
-### Check IP Tables
-$ sudo iptables -L
-Chain INPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain FORWARD (policy ACCEPT)
-target     prot opt source               destination
-
-Chain OUTPUT (policy ACCEPT)
-target     prot opt source               destination
-
-### Check NAT Tables
-$ sudo iptables -L -t nat
-Chain PREROUTING (policy ACCEPT)
-target     prot opt source               destination
-
-Chain INPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain OUTPUT (policy ACCEPT)
-target     prot opt source               destination
-
-Chain POSTROUTING (policy ACCEPT)
-target     prot opt source               destination
-
 ### Enable IPv4/IPv6 Forwarding
 $ sudo sysctl -w net.ipv4.ip_forward=1
 $ sudo sysctl -w net.ipv6.conf.all.forwarding=1
@@ -332,8 +289,35 @@ $ sudo iptables -t nat -A POSTROUTING -s 10.45.0.0/16 ! -o ogstun -j MASQUERADE
 $ sudo ip6tables -t nat -A POSTROUTING -s 2001:db8:cafe::/48 ! -o ogstun -j MASQUERADE
 ```
 
-**Note:** For the first time, it is a good condition if you do not have any rules in the IP/NAT tables. If a program such as docker has already set up a rule, you will need to add a rule differently.
-{: .notice--danger}
+Configure the firewall correctly. Some operating systems (Ubuntu) by default enable firewall rules to block traffic.
+```bash
+$ sudo ufw status
+Status: inactive
+$ sudo ufw enable
+Firewall is active and enabled on system startup
+$ sudo ufw status
+Status: active
+$ sudo ufw disable
+Firewall stopped and disabled on system startup
+$ sudo ufw status
+Status: inactive
+```
+
+Optionally, you may consider the settings below for security purposes.
+
+```bash
+### Ensure that the packets in the `INPUT` chain to the `ogstun` interface are accepted
+$ sudo iptables -I INPUT -i ogstun -j ACCEPT
+
+### Prevent UE's from connecting to the host on which UPF is running
+$ sudo iptables -I INPUT -s 10.45.0.0/16 -j DROP
+$ sudo ip6tables -I INPUT -s 2001:db8:cafe::/48 -j DROP
+
+### If your core network runs over multiple hosts, you probably want to block
+### UE originating traffic from accessing other network functions.
+### Replace x.x.x.x/y with the VNFs IP/subnet
+$ sudo iptables -I FORWARD -s 10.45.0.0/16 -d x.x.x.x/y -j DROP
+```
 
 #### 2. srsRAN
 Change back to the srsRAN source directory and copy the main config example as well as all additional config files for RR, SIB and DRB.
@@ -343,15 +327,14 @@ $ cp srsenb/enb.conf.example srsenb/enb.conf
 $ cp srsenb/rr.conf.example srsenb/rr.conf
 $ cp srsenb/drb.conf.example srsenb/drb.conf
 $ cp srsenb/sib.conf.example srsenb/sib.conf
-$ cp srsenb/sib.conf.mbsfn.example srsenb/sib.conf.mbsfn
 ```
 
 You should check your phone frequency. If your phone does not support Band-3, you should use a different DL EARFCN value.
 
 ```diff
 $ diff -u enb.conf.example enb.conf
--- enb.conf.example    2022-01-19 20:30:13.612993155 +0900
-+++ enb.conf    2022-01-19 21:04:15.674419300 +0900
+--- enb.conf.example	2022-12-11 10:04:37.519188021 +0900
++++ enb.conf	2022-12-11 10:45:13.746995146 +0900
 @@ -20,9 +20,9 @@
  #####################################################################
  [enb]
@@ -365,36 +348,18 @@ $ diff -u enb.conf.example enb.conf
  gtp_bind_addr = 127.0.1.1
  s1c_bind_addr = 127.0.1.1
  s1c_bind_port = 0
-@@ -67,7 +67,7 @@
- tx_gain = 80
- rx_gain = 40
-
--#device_name = auto
-+device_name = auto
-
- # For best performance in 2x2 MIMO and >= 15 MHz use the following device_args settings:
- #     USRP B210: num_recv_frames=64,num_send_frames=64
-@@ -81,7 +81,7 @@
-
- # Example for ZMQ-based operation with TCP transport for I/Q samples
- #device_name = zmq
--#device_args = fail_on_disconnect=true,tx_port=tcp://*:2000,rx_port=tcp://localhost:2001,id=enb,base_srate=23.04e6
-+device_args = clock=external
-
- #####################################################################
- # Packet capture configuration
 ```
 
 ```diff
 $ diff -u rr.conf.example rr.conf
--- rr.conf.example    2022-01-19 20:30:13.620992794 +0900
-+++ rr.conf    2022-01-19 21:05:21.959044145 +0900
+--- rr.conf.example	2022-12-11 10:04:37.523187831 +0900
++++ rr.conf	2022-12-11 10:42:23.590401941 +0900
 @@ -55,10 +55,10 @@
    {
      // rf_port = 0;
      cell_id = 0x01;
 -    tac = 0x0007;
-+    tac = 0x0002;
++    tac = 0x0005;
      pci = 1;
      // root_seq_idx = 204;
 -    dl_earfcn = 3350;
@@ -406,29 +371,44 @@ $ diff -u rr.conf.example rr.conf
  nr_cell_list =
  (
    // no NR cells
+-);
+\ No newline at end of file
++);
 ```
 
 MME Address, TAC, PLMN ID, DL EARFCN, and Device Argument are updated as belows.
 
 ```
 MME Address : 127.0.1.2
-TAC : 2
+TAC : 5
 PLMN ID : MNC(310), MCC(789) programmed USIM with a card reader
 DL EARFCN : Band-3 - from your Phone
 Device Argument : Clock source from external GPS-DO
 ```
 
-If you are not using GPS-DO, you can just comment out `device_args` as shown below.
+If you are using GPS-DO, you need to add `device_args` as shown below.
 ```diff
-$ diff -u enb.conf enb.conf.no_gps_do
---- enb.conf    2022-01-19 21:08:32.941527373 +0900
-+++ enb.conf.no_gps_do    2022-01-19 21:10:18.612581261 +0900
-@@ -81,7 +81,7 @@
-
+$ diff -u enb.conf.example enb.conf
+--- enb.conf.example	2022-12-11 10:04:37.519188021 +0900
++++ enb.conf	2022-12-11 10:44:25.565094551 +0900
+@@ -20,9 +20,9 @@
+ #####################################################################
+ [enb]
+ enb_id = 0x19B
+-mcc = 001
+-mnc = 01
+-mme_addr = 127.0.1.100
++mcc = 310
++mnc = 789
++mme_addr = 127.0.1.2
+ gtp_bind_addr = 127.0.1.1
+ s1c_bind_addr = 127.0.1.1
+ s1c_bind_port = 0
+@@ -82,6 +82,7 @@
  # Example for ZMQ-based operation with TCP transport for I/Q samples
  #device_name = zmq
--device_args = clock=external
-+#device_args = fail_on_disconnect=true,tx_port=tcp://*:2000,rx_port=tcp://localhost:2001,id=enb,base_srate=23.04e6
+ #device_args = fail_on_disconnect=true,tx_port=tcp://*:2000,rx_port=tcp://localhost:2001,id=enb,base_srate=23.04e6
++device_args = clock=external
 
  #####################################################################
  # Packet capture configuration
@@ -438,25 +418,30 @@ Now, run the srsRAN as follows:
 
 ```bash
 $ cd srsenb/
-$ sudo UHD_IMAGES_DIR=/usr/share/uhd/images ../build/srsenb/src/srsenb ./enb.conf
+$ sudo ../build/srsenb/src/srsenb ./enb.conf
+[sudo] password for acetcom:
+Active RF plugins: libsrsran_rf_uhd.so
+Inactive RF plugins:
 ---  Software Radio Systems LTE eNodeB  ---
 
 Reading configuration file ./enb.conf...
 WARNING: cpu0 scaling governor is not set to performance mode. Realtime processing could be compromised. Consider setting it to performance mode before running the application.
 
-Built in Release mode using commit 5275f3336 on branch HEAD.
+Built in Release mode using commit 254cc719a on branch HEAD.
 
-connect(): Connection refused
-Failed to initiate S1 connection. Attempting reconnection in 10 seconds
 Opening 1 channels in RF device=default with args=default
-Available RF device list: UHD
+Supported RF device list: UHD file
 Trying to open RF device 'UHD'
-[INFO] [UHD] linux; GNU C++ version 9.3.0; Boost_107100; UHD_4.1.0.4-release
+[INFO] [UHD] linux; GNU C++ version 11.2.0; Boost_107400; UHD_4.3.0.0-0ubuntu1~jammy1
 [INFO] [LOGGING] Fastpath logging disabled at runtime.
+[INFO] [B200] Loading firmware image: /usr/share/uhd/images/usrp_b200_fw.hex...
 Opening USRP channels=1, args: type=b200,master_clock_rate=23.04e6
 [INFO] [UHD RF] RF UHD Generic instance constructed
 [INFO] [B200] Detected Device: B200
+[INFO] [B200] Loading FPGA image: /usr/share/uhd/images/usrp_b200_fpga.bin...
 [INFO] [B200] Operating over USB 3.
+[INFO] [B200] Detecting internal GPSDO....
+[INFO] [GPS] No GPSDO found
 [INFO] [B200] Initialize CODEC control...
 [INFO] [B200] Initialize Radio control...
 [INFO] [B200] Performing register loopback test...
@@ -467,6 +452,7 @@ RF device 'UHD' successfully opened
 
 ==== eNodeB started ===
 Type <t> to view trace
+Setting frequency: DL=1845.0 Mhz, UL=1750.0 MHz for cc_idx=0 nof_prb=50
 ```
 
 ### Turn on your eNodeB and Phone
diff --git a/docs/_docs/tutorial/02-VoLTE-setup.md b/docs/_docs/tutorial/02-VoLTE-setup.md
index adda46cb2..d94385e03 100644
--- a/docs/_docs/tutorial/02-VoLTE-setup.md
+++ b/docs/_docs/tutorial/02-VoLTE-setup.md
@@ -772,8 +772,13 @@ ip addr add 192.168.101.1/24 dev ogstun2
 ip addr add fd1f:76f3:da9b:0101::/48 dev ogstun2
 ip link set ogstun2 mtu 1400
 ip link set ogstun2 up
+iptables -t nat -A POSTROUTING -s 192.168.101.0/24 ! -o ogstun2 -j MASQUERADE
+ip6tables -t nat -A POSTROUTING -s fd1f:76f3:da9b:0101::/48 ! -o ogstun2 -j MASQUERADE
 iptables -I INPUT -i ogstun2 -j ACCEPT
 ip6tables -I INPUT -i ogstun2 -j ACCEPT
+
+ufw enable
+ufw disable
 ```
 
 Add users with following APN settings in Open5GS:
diff --git a/docs/_pages/docs.md b/docs/_pages/docs.md
index a362d4694..619a2808c 100644
--- a/docs/_pages/docs.md
+++ b/docs/_pages/docs.md
@@ -12,9 +12,10 @@ head_inline: "<style> ul { padding-bottom: 1em; } </style>"
 
 - Tutorials
   - [Your First LTE](tutorial/01-your-first-lte)
+  - [5G SA COTS UE](https://docs.srsran.com/en/latest/app_notes/source/5g_sa_COTS/source/index.html) from [SRS](https://srs.io)
+  - [Metrics with Prometheus](tutorial/04-metrics-prometheus)
   - [VoLTE Setup with Kamailio IMS and Open5GS](tutorial/02-VoLTE-setup)
   - [Dockerized VoLTE Setup](tutorial/03-VoLTE-dockerized)
-  - [Metrics with Prometheus](tutorial/04-metrics-prometheus)
 
 - Inside Source Code
   - [Detailed Architecture of Open5GS](https://chowdera.com/2022/151/202205312246348316.html)
diff --git a/docs/assets/pcapng/srsenb.pcapng b/docs/assets/pcapng/srsenb.pcapng
index 5109edd82..3be5e357b 100644
Binary files a/docs/assets/pcapng/srsenb.pcapng and b/docs/assets/pcapng/srsenb.pcapng differ