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Diffstat (limited to 'doc/charts/pfcp_msgs_gtp.ladder')
| -rw-r--r-- | doc/charts/pfcp_msgs_gtp.ladder | 142 |
1 files changed, 142 insertions, 0 deletions
diff --git a/doc/charts/pfcp_msgs_gtp.ladder b/doc/charts/pfcp_msgs_gtp.ladder new file mode 100644 index 0000000..b73fb51 --- /dev/null +++ b/doc/charts/pfcp_msgs_gtp.ladder @@ -0,0 +1,142 @@ +{hscale=1} +sgsn = SGSN + 123.44.0.9 +sgwc = SGW-C + 123.44.0.5 +sgwu = SGW-U + 123.44.0.6 +pgwc = PGW-C + 123.44.0.7 +pgwu = PGW-U + 123.44.0.8 + +sgsn <-> sgwc S4-C GTPv2-C +sgwc <-> sgwu Sxa PFCP +sgsn <-> sgwu S4-U GTPv1-U +sgwc <-> pgwc S5-C GTPv2-C +pgwc <-> pgwu Sxb PFCP +sgwu <-> pgwu S5-U GTPv1-U + +... + +sgsn -> sgwc GTP Create Session Request +sgsn [] sgwc F-TEID S11 = 123.44.0.9,0x004 + F-TEID S5 = 123.44.0.7,0x000 + PDN addr alloc = IPv4 192.168.100.2 + +||| +||| + +sgwc -> sgwu PFCP Session Establishment Request +sgwc [] sgwu 2x Create PDR + F-TEID = CHOOSE + FAR = NOCP,BUFF + +||| +||| + +sgwc <- sgwu PFCP Session Establishment Response +sgwc [] sgwu Created PDR F-TEID 123.44.0.6,0x015 + Created PDR F-TEID 123.44.0.6,0x016 + +||| +||| + +sgwc -> pgwc GTP Create Session Request +sgwc [] pgwc F-TEID S5 = 123.44.0.5,0x00b + PDN addr alloc = IPv4 192.168.100.2 + Bearer Ctx: F-TEID S5 = 123.44.0.6,0x015 + +||| +||| + +pgwc -> pgwu PFCP Session Establishment Request +pgwc [] pgwu Create PDR 1: + PDI: src-iface Core, UE IPv4 192.168.100.2 + FAR-1: FORW, dst-iface Access, + hdr creation: GTP-U 123.44.0.6,0x015 + + Create PDR 2: + PDI: src-iface Access, F-TEID = CHOOSE id:05 + hdr removal: GTP-U + FAR-2: FORW, dst-iface Core + + Create PDR 3: + PDI: src-iface CP-function, F-TEID = CHOOSE + hdr removal: GTP-U + FAR-1 + + Create PDR 4: + PDI: src-iface Access, F-TEID = CHOOSE id:05, SDF Filter + hdr removal: GTP-U + FAR-3: FORW, dst-iface CP-Function, + hdr creation: GTP-U 123.44.0.7,0x00b + +||| + +pgwc <- pgwu PFCP Session Establishment Response +pgwc [] pgwu Created PDR-1 + Created PDR-2: F-TEID = 123.44.0.8,0x01e + Created PDR-3: F-TEID = 123.44.0.8,0x01f + Created PDR-4: F-TEID = 123.44.0.8,0x01e + +||| +||| + +sgwc <- pgwc GTP Create Session Response +sgwc [] pgwc TEID: 0x00b + F-TEID: 123.44.0.7,0x00b + PDN Addr: 192.168.100.2 + Bearer Ctx: F-TEID S5 123.44.0.8,0x01e + +||| +||| + +sgwc -> sgwu PFCP Session Modification Request +sgwc [] sgwu Update FAR-2: FORW, dst-iface Core, + hdr creation GTP-U 123.44.0.8,0x01e + +||| + +sgwc <- sgwu PFCP Session Modification Response + +||| +||| + +sgsn <- sgwc GTP Create Session Response +sgsn [] sgwc TEID: 0x004 + F-TEID S11/S4: 123.44.0.5,0x007 + F-TEID S5/S8: 123.44.0.7,0x00b + PDN Addr: 192.168.100.2 + Bearer Ctx: + F-TEID S1-U: 123.44.0.6,0x016 + F-TEID S5/S8: 123.44.0.8,0x01e + +||| +||| + +sgsn -> sgwc GTP Modify Bearer Request +sgsn [] sgwc TEID: 0x007 + Bearer Ctx: + F-TEID S1-U: 192.168.104.167,0x32adb2ad + +||| +||| + +sgwc -> sgwu PFCP Session Modification Request +sgwc [] sgwu Update FAR-1: FORW, dst-iface Access, + hdr creation: GTP-U 192.168.104.167,0x32adb2ad + +||| +||| + + +sgwc <- sgwu PFCP Session Modification Response + +||| + +sgsn <- sgwc GTP Modify Bearer Response +sgsn [] sgwc TEID: 0x004 + Bearer Ctx: + F-TEID S1-U: 192.168.104.167,0x32adb2ad + |