ePDG PCAP

[acetcom]

Dear Community People,

Could you provide the ePDG related PCAP? It would be of great help to me if you can provide this.

Thanks in advance,
Sukchan

[herlesupreeth]

Does this help? https://fabricioapps.blogspot.com/2017/10/untrusted-non-3gpp-ip-access-swu-ikev2.html

The traces are at the bottom

[acetcom]

Hi @fasferraz

The S2b Interface does not require TAI/ECGI. And also, I've changed the log level for No S6b Diameter Peer from WARNING to ERROR. All fixes have been applied to the main branch on github.

Let me know if you have any further queistions.

Thanks a lot!
Sukchan

[fasferraz]

Hi @acetcom
I've installed open5gs in my ubuntu VM through apt (from the quickstart https://open5gs.org/open5gs/docs/guide/01-quickstart/):
$ sudo apt update
$ sudo apt install software-properties-common
$ sudo add-apt-repository ppa:open5gs/latest
$ sudo apt update
$ sudo apt install open5gs

when i do apt update or apt upgrade, the current open5gs is not updated to the last version where you have done the modification.
So i'm still getting the old behaviour and errors...

How can i update to the last version you have in github?

[acetcom]

@fasferraz

There are two ways to update the latest code.

1. Build the open5gs from the source code with the following document.
   https://open5gs.org/open5gs/docs/guide/02-building-open5gs-from-sources/
2. I hope you can find the nightly package method below. A related fix will be released as a nightly package 10 hours from now.
   https://open5gs.org/open5gs/docs/guide/01-quickstart/

Good luck with you!
Sukchan

[fasferraz]

Installed new version, and configured s6b interface, but i'm not receiving any AAR.
I'm getting this error in SMF Log. It looks like a diameter routing error. How can i solve this?

08/28 21:37:16.116: [gtp] WARNING: [84481] REMOTE Request Duplicated. Discard! for step 1 type 32 peer [172.16.168.7]:30016 (../lib/gtp/xact.c:404)
08/28 21:37:21.042: [smf] WARNING: OLD Session Release [IMSI:208930000000003,APN:internet.apn.epc.mnc093.mcc208.3gppnetwork.org] (../src/smf/context.c:1072)
08/28 21:37:21.042: [smf] INFO: Removed Session: UE IMSI:[208930000000003] DNN:[internet.apn.epc.mnc093.mcc208.3gppnetwork.org:0] IPv4:[10.45.0.6] IPv6:[2001:230:cafe:5::6] (../src/smf/context.c:1411)
08/28 21:37:21.042: [smf] INFO: [Removed] Number of SMF-Sessions is now 0 (../src/smf/context.c:2514)
08/28 21:37:21.042: [smf] INFO: [Added] Number of SMF-Sessions is now 1 (../src/smf/context.c:2508)
08/28 21:37:21.042: [smf] INFO: UE IMSI[208930000000003] APN[internet.apn.epc.mnc093.mcc208.3gppnetwork.org] IPv4[10.45.0.7] IPv6[2001:230:cafe:6::7] (../src/smf/s5c-handler.c:227)
08/28 21:37:21.042: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:112: ROUTING ERROR 'No remaining suitable candidate to route the message to' for:
((null):0)
08/28 21:37:21.042: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: 'AA-Request'
((null):0)
08/28 21:37:21.042: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: Version: 0x01
((null):0)
08/28 21:37:21.042: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: Length: 20
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: Flags: 0xC0 (RP--)
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: Command Code: 265
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: ApplicationId: 16777272
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: Hop-by-Hop Identifier: 0x00000000
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: End-to-End Identifier: 0xD8F17974
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: {internal data}: src:(nil)(0) rwb:(nil) rt:0 cb:0x563a319e27c0,(nil)(0x7f1bd5bf10d8) qry:(nil) asso:0 sess:0x7f1b98022f90
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'Session-Id'(263) l=8 f=-M val="smf.localdomain;1630182799;6;app_s6b"
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'Origin-Host'(264) l=8 f=-M val="smf.localdomain"
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'Origin-Realm'(296) l=8 f=-M val="localdomain"
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'Destination-Realm'(283) l=8 f=-M val="localdomain"
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'Auth-Application-Id'(258) l=12 f=-M val=16777272 (0x1000038)
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'Auth-Request-Type'(274) l=12 f=-M val='AUTHORIZE_ONLY' (2 (0x2))
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'RAT-Type'(1032) vend='3GPP'(10415) l=16 f=V- val=0 (0x0)
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'User-Name'(1) l=8 f=-M val="208930000000003@nai.epc.mnc093.mcc208.3gppnetwork.org"
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'MIP6-Feature-Vector'(124) l=16 f=-M val=70368744177664 (0x400000000000)
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'MIP6-Agent-Info'(486) l=8 f=-M val=(grouped)
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'MIP-Home-Agent-Address'(334) l=8 f=-M val=127.0.0.4
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'MIP-Home-Agent-Address'(334) l=8 f=-M val=::1
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'Visited-Network-Identifier'(600) vend='3GPP'(10415) l=12 f=VM val=<6D 6E 63 30 39 33 2E 6D 63 63 32 30 38 2E 33 67 70 70 6E 65 74 77 6F 72 6B 2E 6F 72 67>
((null):0)
08/28 21:37:21.043: [diam] ERROR: pid:Routing-OUT (0x563a33a1a120) in md_hook_cb_tree@dbg_msg_dumps.c:113: AVP: 'Service-Selection'(493) l=8 f=-M val="internet.apn.epc.mnc093.mcc208.3gppnetwork.org"
((null):0)
08/28 21:37:21.044: [smf] ERROR: Result Code: 3002 (../src/smf/s6b-path.c:375)

[fasferraz]

Problem solved. Just used the same realm as the smf (i.e. localdomain). I activated a session with success. thanks.