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lynxis, 02/08/2024 07:53 PM
Hosted epdg playground¶
This page is going to document the playground that we're setting up for playing with the (in-development state) of osmo-epdg.
The setup is also described using ansible
Hosts¶
epdg¶
Hostname: epdg.osmocom.org
(IPv4 + IPv6)
netdev | IP | Description |
---|---|---|
enp1s0 | 213.95.46.81 2001:780:45:1d::46:81 | Public Internet |
enp7s0 | ? | internal network |
This is a Debian 12 VM where the osmo-epdg (consiting of modified strongswan code, erlang ePDG and linux kernel GTP) will run.
epc¶
Hostname: epc.epdg.osmocom.org
(IPv6 only)
netdev | IP | Description |
---|---|---|
eth0 | 2001:780:45:1d::f046:1000 | Public Internet |
eth1 | ? | internal network |
This is a Debian 12 lxc container where we'll run HSS + PGW (open5gs)
ims¶
Hostname: ims.epdg.osmocom.org
(IPv6 only)
netdev | IP | Description |
---|---|---|
eth0 | 2001:780:45:1d::f046:1001 | Public Internet |
eth1 | ? | internal network |
This is a Debian 12 lxc container where we'll run the IMS core (Kamailio)
Internal network¶
The hosts mentioned above share a private bridged network. That network has no DHCP server and no router. It's purely for communication between the network elements
How to use the playground:¶
Configure your local UE¶
Point your UE or use SWu-IKEv2 to use epdg.osmocom.org
.
Alternative you can override the correct dns entries.
E.g. epdg.epc.mnc001.mcc001.pub.3gppnetwork.org -> 213.95.46.81
Get your Simcard into the database on epc.epdg.osmocom.org. Use open5gs-dbctl add
Development¶
To do a test run with the current development state:
- tmux attach -t epdg
- window 0 should contain the osmo-epdg
- window 1 should contain the strongswan
- restart osmo-epdg in window 0. cd /srv/osmo-edpg ; rebar3 shell --config ./config/local.config
- restart strongswan in window 1 systemctl restart strongswan ; journalctl -f -u strongswan
- to improve development speed, you should restart also the smfd or you need to wait until it re-connects.
- The pcrfd also needs to be restarted because the smfd will otherwise reject Session. (It will also automatic re-connect, but takes time too).
ssh root@epc.epdg.osmocom.org systemctl restart open5gs-smfd sleep 1 ssh root@epc.epdg.osmocom.org systemctl restart open5gs-pcrfd
Updated by lynxis 5 months ago · 7 revisions