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{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
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sgwc -> sgwu PFCP Session Establishment Request
sgwc [] sgwu 2x Create PDR
F-TEID = CHOOSE
FAR = NOCP,BUFF
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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
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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
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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
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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
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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
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sgwc -> sgwu PFCP Session Modification Request
sgwc [] sgwu Update FAR-2: FORW, dst-iface Core,
hdr creation GTP-U 123.44.0.8,0x01e
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sgwc <- sgwu PFCP Session Modification Response
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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
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sgsn -> sgwc GTP Modify Bearer Request
sgsn [] sgwc TEID: 0x007
Bearer Ctx:
F-TEID S1-U: 192.168.104.167,0x32adb2ad
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sgwc -> sgwu PFCP Session Modification Request
sgwc [] sgwu Update FAR-1: FORW, dst-iface Access,
hdr creation: GTP-U 192.168.104.167,0x32adb2ad
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sgwc <- sgwu PFCP Session Modification Response
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sgsn <- sgwc GTP Modify Bearer Response
sgsn [] sgwc TEID: 0x004
Bearer Ctx:
F-TEID S1-U: 192.168.104.167,0x32adb2ad
|
