From fd05d257159d256dffee10b5e0a473d592495b98 Mon Sep 17 00:00:00 2001 From: Sudheesh Singanamalla Date: Wed, 20 Nov 2019 10:52:33 -0800 Subject: [PATCH] Adds Additional troubleshooting documentation for issues experienced Signed-off-by: Sudheesh Singanamalla --- docs/_docs/guide/01-quickstart.md | 19 ++++++++++++++++++- 1 file changed, 18 insertions(+), 1 deletion(-) diff --git a/docs/_docs/guide/01-quickstart.md b/docs/_docs/guide/01-quickstart.md index 40b5b4612..b058cebdb 100644 --- a/docs/_docs/guide/01-quickstart.md +++ b/docs/_docs/guide/01-quickstart.md @@ -160,7 +160,7 @@ To add subscriber information, you can do WebUI operations in the following orde {: .notice--info} -### Adding a route for UE to have Internet connectivity +### Adding a route for UE to have Internet connectivity {#UEInternet} --- If your phone can connect to internet, you must run the following command in Open5GS-PGW installed host. @@ -238,6 +238,23 @@ $ sudo systemctl restart open5gs-mmed $ sudo systemctl restart open5gs-sgwd ``` +#### Additional Troubleshooting + +After successfully attaching the UE (e.g. `45.45.0.2`) to the EPC if the UE device doesn't have access to internet, +it is recommended to do the following checks: +- Check if the interface connected to the internet is correctly `NAT` with the `ogstun` interface. Follow the documentation [Here](#UEInternet) + - 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 ` e.g.`ping 45.45.0.2` +- 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 + ``` + + ### Uninstall Open5GS and WebUI How to remove Open5GS package: