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手机APN L2TP

L2TP VPN

2022-02-11提问

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洪波万里

洪波万里五段

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问题描述：

运营商设备做LAC，客户紫光恒越R5900路由器做LNS，一直连接不通，求助

Current State null, code ConfReq(01), id 0, len 22

IP Address(3), len 6, val 00 00 00 00

Primary DNS Server Address(81), len 6, val 00 00 00 00

Secondary DNS Server Address(83), len 6, val 00 00 00 00

*Feb 11 10:58:35:292 2022 LNS PPP/7/EXTERNAL_EVENT:

PPP External Event:

Virtual-Access0 deliver packet to user space success

*Feb 11 10:58:35:453 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Received an L2TP data packet:

Source IP: 192.50.0.21

Destination IP: 192.50.10.178

Source port: 1701

Destination port: 1701

*Feb 11 10:58:35:453 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Successfully parsed the L2TP header (L2TP header length=6):TunnelID:39338,SessionID:40280,Type:0,Length:0,Sequence:0,Offset: 0,Priority:0

*Feb 11 10:58:35:453 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Processed an L2TP data packet. TunnelID=39338, SessiOnID=40280.

*Feb 11 10:58:35:453 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

No FlowCtrl: Received an L2TP Data Packet. TunnelID=39338, SessiOnID=40280.

*Feb 11 10:58:35:453 2022 LNS L2TPV2/7/KDUMP: -Slot=2;

Sent a packet to PPP on interface Virtual-Access0 (length=6):

c0 21 06 02 00 04

*Feb 11 10:58:35:453 2022 LNS PPP/7/EXTERNAL_EVENT: -Slot=2;

PPP External Event:

Virtual-Access0 Send negotiate packet to service board succeeded

*Feb 11 10:58:35:292 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Input LCP(c021) Packet, PktLen 8

Current State closing, code TermAck(06), id 2, len 4

*Feb 11 10:58:35:293 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP RTA(Receive Terminate Ack) Event

State closing

*Feb 11 10:58:35:293 2022 LNS PPP/7/FSM_STATE_0:

PPP State Change:

Virtual-Access0 LCP: closing --> closed

*Feb 11 10:58:35:293 2022 LNS L2TPV2/7/CONTROL-PKT:

Received CDN packet from port 1701 (TunnelID=39338, length=38, Ns=4, Nr=2). Packet content:

c8 02 00 26 99 aa 9d 58 00 04 00 02 80 08 00 00

00 00 00 0e 80 0a 00 00 00 01 00 01 00 00 80 08

00 00 00 0e 00 01

*Feb 11 10:58:35:294 2022 LNS L2TPV2/7/EVENT:

Parsed Message-Type AVP: 14.

*Feb 11 10:58:35:294 2022 LNS L2TPV2/7/EVENT:

Parsed Result-Code AVP. Result-Code=1, Error-Code=0, Error-Message="".

*Feb 11 10:58:35:294 2022 LNS L2TPV2/7/EVENT:

Parsed Assigned-Session-ID AVP: 1.

*Feb 11 10:58:35:295 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: PPP daemon receive interface down event!

*Feb 11 10:58:35:295 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Lower Down Event

State closed

*Feb 11 10:58:35:295 2022 LNS PPP/7/FSM_STATE_0:

PPP State Change:

Virtual-Access0 LCP: closed --> initial

*Feb 11 10:58:35:295 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Close Event

State initial

%Feb 11 10:58:35:297 2022 LNS IFNET/3/PHY_UPDOWN: Physical state on the interface Virtual-Access0 changed to down.

*Feb 11 10:58:35:309 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: PPP daemon receive interface down event!

*Feb 11 10:58:35:312 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Lower Down Event

State initial

*Feb 11 10:58:35:313 2022 LNS PPP/7/FSM_ERROR_0:

PPP Error:

Virtual-Access0 LCP: FSM Illegal Event!

*Feb 11 10:58:35:313 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Close Event

State initial

*Feb 11 10:58:35:478 2022 LNS L2TPV2/7/KEVENT: -Slot=2;

Interface Virtual-Access0 deleted.

*Feb 11 10:58:35:961 2022 LNS L2TPV2/7/KEVENT: -Slot=1;

Interface Virtual-Access0 deleted.

*Feb 11 10:58:35:320 2022 LNS L2TPV2/7/KEVENT:

Interface Virtual-Access0 deleted.

*Feb 11 10:58:35:325 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: Successfully freed the User ID 671088642.

*Feb 11 10:58:35:498 2022 LNS L2TPV2/7/EVENT:

TunnelID=39338: Delay-ACK timer expired, received duplicate Hello packet for 0 times and sent ZLB-ACK packet for 1 times. Ns=2, Nr=5.

*Feb 11 10:58:40:198 2022 LNS L2TPV2/7/EVENT:

TunnelID=47092: Delay-Cleanup timer expired and deleted the local tunnel.

*Feb 11 10:58:45:979 2022 LNS L2TPV2/7/CONTROL-PKT:

Received SCCRQ packet from port 1701 (length=103, Ns=0, Nr=0). Packet content:

c8 02 00 67 00 00 00 00 00 00 00 00 80 08 00 00

00 00 00 01 80 08 00 00 00 02 01 00 80 0f 00 00

00 07 67 7a 6d 32 6d 6c 32 74 70 00 0c 00 00 00

08 48 55 41 57 45 49 80 0a 00 00 00 03 00 00 00

03 80 08 00 00 00 09 00 01 80 08 00 00 00 0a 00

40 80 16 00 00 00 0b d4 50 c8 f8 33 0f 44 a0 41

8e d0 51 7d 0c de 0c

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/EVENT:

Parsed Message-Type AVP: 1.

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/EVENT:

Parsed Protocol-Version AVP. Version=1, Revision=0.

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/EVENT:

Parsed Host-Name AVP: gzm2ml2tp.

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/EVENT:

Parsed Vendor-Name AVP: HUAWEI.

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/EVENT:

Parsed Framing-Capabilities AVP: 3.

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/EVENT:

Parsed Assigned-Tunnel-ID AVP: 1.

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/EVENT:

Parsed Receive-Window-Size AVP: 64.

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/EVENT:

Parsed Challenge AVP: d4 50 c8 f8 33 0f 44 a0 41 8e d0 51 7d 0c de 0c

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Message-Type AVP:

80 08 00 00 00 00 00 02

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Protocol-Version AVP:

80 08 00 00 00 02 01 00

*Feb 11 10:58:45:980 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Host-Name AVP:

80 09 00 00 00 07 4c 4e 53

*Feb 11 10:58:45:981 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Framing-Capabilities AVP:

80 0a 00 00 00 03 00 00 00 00

*Feb 11 10:58:45:981 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Assigned-Tunnel-ID AVP:

80 08 00 00 00 09 12 0d

*Feb 11 10:58:45:981 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Bearer-Capabilities AVP:

80 0a 00 00 00 04 00 00 00 03

*Feb 11 10:58:45:981 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Receive-Window-Size AVP:

80 08 00 00 00 0a 04 00

*Feb 11 10:58:45:981 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Challenge AVP:

80 16 00 00 00 0b ad 4e 40 75 22 ac 37 2b 27 ac

f9 2a 1f c9 48 d6

*Feb 11 10:58:45:981 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Challenge-Response AVP:

80 16 00 00 00 0d bb 69 d6 e9 91 eb 04 5b 49 5f

e0 7a 27 28 52 96

*Feb 11 10:58:45:982 2022 LNS L2TPV2/7/EVENT:

TunnelID=4621: Processed SCCRQ packet in Idle state, sent SCCRP packet and changed the tunnel state to Wait-connect.

*Feb 11 10:58:45:992 2022 LNS L2TPV2/7/CONTROL-PKT:

Received SCCCN packet from port 1701 (TunnelID=4621, length=42, Ns=1, Nr=1). Packet content:

c8 02 00 2a 12 0d 00 00 00 01 00 01 80 08 00 00

00 00 00 03 80 16 00 00 00 0d e5 33 4a b4 b8 e8

20 34 81 dd 42 f8 ba 15 e5 29

*Feb 11 10:58:45:993 2022 LNS L2TPV2/7/EVENT:

Parsed Message-Type AVP: 3.

*Feb 11 10:58:45:993 2022 LNS L2TPV2/7/EVENT:

Parsed Challenge-Response AVP: e5 33 4a b4 b8 e8 20 34 81 dd 42 f8 ba 15 e5 29

*Feb 11 10:58:45:993 2022 LNS L2TPV2/7/KEVENT:

cioctl add tunnel vrf 0 lip 192.50.10.178 rip 192.50.0.20 lport 1701 rport 1701 ltid 4621 rtid 1 type 1

*Feb 11 10:58:45:993 2022 LNS L2TPV2/7/KEVENT:

result drv add tunnel 0

*Feb 11 10:58:45:993 2022 LNS L2TPV2/7/EVENT:

TunnelID=4621: Processed SCCCN packet in Wait-connect state, and changed the tunnel state to Established.

*Feb 11 10:58:46:155 2022 LNS L2TPV2/7/KEVENT: -Slot=2;

cioctl add tunnel vrf 0 lip 192.50.10.178 rip 192.50.0.20 lport 1701 rport 1701 ltid 4621 rtid 1 type 1

*Feb 11 10:58:46:155 2022 LNS L2TPV2/7/KEVENT: -Slot=2;

result drv add tunnel 0

*Feb 11 10:58:46:637 2022 LNS L2TPV2/7/KEVENT: -Slot=1;

cioctl add tunnel vrf 0 lip 192.50.10.178 rip 192.50.0.20 lport 1701 rport 1701 ltid 4621 rtid 1 type 1

*Feb 11 10:58:46:637 2022 LNS L2TPV2/7/KEVENT: -Slot=1;

result drv add tunnel 0

*Feb 11 10:58:45:994 2022 LNS L2TPV2/7/CONTROL-PKT:

Received ICRQ packet from port 1701 (TunnelID=4621, length=99, Ns=2, Nr=1). Packet content:

c8 02 00 63 12 0d 00 00 00 02 00 01 80 08 00 00

00 00 00 0a 80 08 00 00 00 0e 00 01 80 0a 00 00

00 0f 00 00 08 ab 80 0a 00 00 00 12 00 00 00 03

80 1e 00 00 00 15 67 64 67 7a 66 79 7a 77 66 77

30 31 73 2e 35 67 67 64 2e 67 7a 69 6f 74 80 15

00 00 00 16 38 36 31 34 30 30 31 39 38 36 30 37

39 32 37

*Feb 11 10:58:45:994 2022 LNS L2TPV2/7/EVENT:

Parsed Message-Type AVP: 10.

*Feb 11 10:58:45:994 2022 LNS L2TPV2/7/EVENT:

Parsed Assigned-Session-ID AVP: 1.

*Feb 11 10:58:45:994 2022 LNS L2TPV2/7/EVENT:

Parsed Call-Serial-Number AVP: 2219.

*Feb 11 10:58:45:994 2022 LNS L2TPV2/7/EVENT:

Parsed Bearer-Type AVP: 3.

*Feb 11 10:58:45:994 2022 LNS L2TPV2/7/EVENT:

Parsed Called-Number AVP: gdgzfyzwfw01s.5ggd.gziot.

*Feb 11 10:58:45:994 2022 LNS L2TPV2/7/EVENT:

Parsed Calling-Number AVP: 861400198607927.

*Feb 11 10:58:45:994 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Message-Type AVP:

80 08 00 00 00 00 00 0b

*Feb 11 10:58:45:995 2022 LNS L2TPV2/7/CONTROL-PKT:

Encapsulated Assigned-Session-ID AVP:

80 08 00 00 00 0e a2 2a

*Feb 11 10:58:45:995 2022 LNS L2TPV2/7/EVENT:

TunnelID=4621, SessiOnID=41514: Processed ICRQ packet in Idle state, sent ICRP packet and changed the session state to Wait-connect.

*Feb 11 10:58:46:005 2022 LNS L2TPV2/7/CONTROL-PKT:

Received ICCN packet from port 1701 (TunnelID=4621, length=80, Ns=3, Nr=2). Packet content:

c8 02 00 50 12 0d a2 2a 00 03 00 02 80 08 00 00

00 00 00 0c 80 0a 00 00 00 18 00 00 00 00 80 0a

00 00 00 13 00 00 00 01 00 0a 00 00 00 1a 01 04

05 dc 00 0a 00 00 00 1b 01 04 05 dc 00 0a 00 00

00 1c 01 04 05 dc 00 0a 00 00 00 25 00 00 00 00

*Feb 11 10:58:46:005 2022 LNS L2TPV2/7/EVENT:

Parsed Message-Type AVP: 12.

*Feb 11 10:58:46:005 2022 LNS L2TPV2/7/EVENT:

Parsed (Tx)Connect-Speed AVP: 0.

*Feb 11 10:58:46:005 2022 LNS L2TPV2/7/EVENT:

Parsed Framing-Type AVP: 1.

*Feb 11 10:58:46:005 2022 LNS L2TPV2/7/EVENT:

Parsed Initial-Received-LCP-CONFREQ AVP: 4.

*Feb 11 10:58:46:005 2022 LNS L2TPV2/7/EVENT:

Parsed Last-Sent-LCP-CONFREQ AVP: 4.

*Feb 11 10:58:46:006 2022 LNS L2TPV2/7/EVENT:

Parsed Last-Received-LCP-CONFREQ AVP: 4.

*Feb 11 10:58:46:006 2022 LNS L2TPV2/7/EVENT:

Parsed Private-Group-ID AVP: .

*Feb 11 10:58:46:007 2022 LNS L2TPV2/7/EVENT:

TunnelID=4621, SessiOnID=41514: Processed ICCN packet in Wait-connect state, and changed the session state to Established.

*Feb 11 10:58:46:007 2022 LNS L2TPV2/7/KEVENT:

Interface Virtual-Access0 created.

*Feb 11 10:58:46:169 2022 LNS L2TPV2/7/KEVENT: -Slot=2;

Interface Virtual-Access0 created.

*Feb 11 10:58:46:652 2022 LNS L2TPV2/7/KEVENT: -Slot=1;

Interface Virtual-Access0 created.

*Feb 11 10:58:46:009 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: Successfully distributed the User ID 671088642.

*Feb 11 10:58:46:021 2022 LNS L2TPV2/7/KEVENT:

LNS Notify ppp up(IF_LINKUP_UP). (ifIndex = 17413)

*Feb 11 10:58:46:022 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: PPP daemon receive interface up event!

*Feb 11 10:58:46:023 2022 LNS L2TPV2/7/KDUMP:

Received a packet from PPP on interface Virtual-Access0 (length=18):

ff 03 c0 21 01 00 00 0e 03 04 c0 23 05 06 7f b4

3b 5a

*Feb 11 10:58:46:023 2022 LNS L2TPV2/7/KDATA-PKT:

Encapsulated an L2TP data packet on interface Virtual-Access0 (length=54):

Source IP: 192.50.10.178

Destination IP: 192.50.0.20

Source port: 1701

Destination port: 1701

Tunnel ID: 1

Session ID: 1

*Feb 11 10:58:46:022 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: PPP l2tp prenego begin!

*Feb 11 10:58:46:022 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: mandatory-lcp, lcp establish begin!

*Feb 11 10:58:46:022 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Open Event

State initial

*Feb 11 10:58:46:022 2022 LNS PPP/7/FSM_STATE_0:

PPP State Change:

Virtual-Access0 LCP: initial --> starting

*Feb 11 10:58:46:022 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Lower Up Event

State starting

*Feb 11 10:58:46:023 2022 LNS PPP/7/FSM_STATE_0:

PPP State Change:

Virtual-Access0 LCP: starting --> reqsent

*Feb 11 10:58:46:023 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Output LCP(c021) Packet, PktLen 18

Current State reqsent, code ConfReq(01), id 0, len 14

AuthProto(3), len 4, PAP c0 23

MagicNumber(5), len 6, val 7f b4 3b 5a

*Feb 11 10:58:46:023 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: PPP l2tp prenego end!

*Feb 11 10:58:46:023 2022 LNS L2TPV2/7/EVENT:

TunnelID=4621, SessiOnID=41514: LNS in Established state notify PPP phy-up result = 0.

%Feb 11 10:58:46:024 2022 LNS IFNET/3/PHY_UPDOWN: Physical state on the interface Virtual-Access0 changed to up.

*Feb 11 10:58:46:031 2022 LNS PPP/7/EXTERNAL_EVENT:

PPP External Event:

Virtual-Access0 deliver packet to user space success

*Feb 11 10:58:46:031 2022 LNS PPP/7/EXTERNAL_EVENT:

PPP External Event:

Virtual-Access0 deliver packet to user space success

*Feb 11 10:58:46:031 2022 LNS L2TPV2/7/KDUMP:

Received a packet from PPP on interface Virtual-Access0 (length=12):

ff 03 c0 21 02 00 00 08 01 04 05 dc

*Feb 11 10:58:46:031 2022 LNS L2TPV2/7/KDATA-PKT:

Encapsulated an L2TP data packet on interface Virtual-Access0 (length=48):

Source IP: 192.50.10.178

Destination IP: 192.50.0.20

Source port: 1701

Destination port: 1701

Tunnel ID: 1

Session ID: 1

*Feb 11 10:58:46:032 2022 LNS L2TPV2/7/KDUMP:

Received a packet from PPP on interface Virtual-Access0 (length=8):

ff 03 c0 21 01 01 00 04

*Feb 11 10:58:46:032 2022 LNS L2TPV2/7/KDATA-PKT:

Encapsulated an L2TP data packet on interface Virtual-Access0 (length=44):

Source IP: 192.50.10.178

Destination IP: 192.50.0.20

Source port: 1701

Destination port: 1701

Tunnel ID: 1

Session ID: 1

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Received an L2TP data packet:

Source IP: 192.50.0.20

Destination IP: 192.50.10.178

Source port: 1701

Destination port: 1701

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Successfully parsed the L2TP header (L2TP header length=6):TunnelID:4621,SessionID:41514,Type:0,Length:0,Sequence:0,Offset: 0,Priority:0

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Processed an L2TP data packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

No FlowCtrl: Received an L2TP Data Packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDUMP: -Slot=2;

Sent a packet to PPP on interface Virtual-Access0 (length=10):

c0 21 01 00 00 08 01 04 05 dc

*Feb 11 10:58:46:192 2022 LNS PPP/7/EXTERNAL_EVENT: -Slot=2;

PPP External Event:

Virtual-Access0 Send negotiate packet to service board succeeded

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Received an L2TP data packet:

Source IP: 192.50.0.20

Destination IP: 192.50.10.178

Source port: 1701

Destination port: 1701

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Successfully parsed the L2TP header (L2TP header length=6):TunnelID:4621,SessionID:41514,Type:0,Length:0,Sequence:0,Offset: 0,Priority:0

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Processed an L2TP data packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

No FlowCtrl: Received an L2TP Data Packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:192 2022 LNS L2TPV2/7/KDUMP: -Slot=2;

Sent a packet to PPP on interface Virtual-Access0 (length=16):

c0 21 04 00 00 0e 03 04 c0 23 05 06 7f b4 3b 5a

*Feb 11 10:58:46:031 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Input LCP(c021) Packet, PktLen 12

Current State reqsent, code ConfReq(01), id 0, len 8

MRU(1), len 4, val 05 dc

*Feb 11 10:58:46:192 2022 LNS PPP/7/EXTERNAL_EVENT: -Slot=2;

PPP External Event:

Virtual-Access0 Send negotiate packet to service board succeeded

*Feb 11 10:58:46:031 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP RCR+(Receive Config Good Request) Event

State reqsent

*Feb 11 10:58:46:031 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Output LCP(c021) Packet, PktLen 12

Current State reqsent, code ConfAck(02), id 0, len 8

MRU(1), len 4, val 05 dc

*Feb 11 10:58:46:031 2022 LNS PPP/7/FSM_STATE_0:

PPP State Change:

Virtual-Access0 LCP: reqsent --> acksent

*Feb 11 10:58:46:032 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Input LCP(c021) Packet, PktLen 18

Current State acksent, code ConfRej(04), id 0, len 14

AuthProto(3), len 4, PAP c0 23

MagicNumber(5), len 6, val 7f b4 3b 5a

*Feb 11 10:58:46:032 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP RCN(Receive Config Nak/Reject) Event

State acksent

*Feb 11 10:58:46:032 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Output LCP(c021) Packet, PktLen 8

Current State acksent, code ConfReq(01), id 1, len 4

*Feb 11 10:58:46:040 2022 LNS PPP/7/EXTERNAL_EVENT:

PPP External Event:

Virtual-Access0 deliver packet to user space success

*Feb 11 10:58:46:040 2022 LNS PPP/7/EXTERNAL_EVENT:

PPP External Event:

Virtual-Access0 deliver packet to user space success

*Feb 11 10:58:46:040 2022 LNS L2TPV2/7/KDUMP:

Received a packet from PPP on interface Virtual-Access0 (length=8):

ff 03 c0 21 05 02 00 04

*Feb 11 10:58:46:040 2022 LNS L2TPV2/7/KDATA-PKT:

Encapsulated an L2TP data packet on interface Virtual-Access0 (length=44):

Source IP: 192.50.10.178

Destination IP: 192.50.0.20

Source port: 1701

Destination port: 1701

Tunnel ID: 1

Session ID: 1

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Received an L2TP data packet:

Source IP: 192.50.0.20

Destination IP: 192.50.10.178

Source port: 1701

Destination port: 1701

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Successfully parsed the L2TP header (L2TP header length=6):TunnelID:4621,SessionID:41514,Type:0,Length:0,Sequence:0,Offset: 0,Priority:0

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Processed an L2TP data packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

No FlowCtrl: Received an L2TP Data Packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDUMP: -Slot=2;

Sent a packet to PPP on interface Virtual-Access0 (length=6):

c0 21 02 01 00 04

*Feb 11 10:58:46:201 2022 LNS PPP/7/EXTERNAL_EVENT: -Slot=2;

PPP External Event:

Virtual-Access0 Send negotiate packet to service board succeeded

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Received an L2TP data packet:

Source IP: 192.50.0.20

Destination IP: 192.50.10.178

Source port: 1701

Destination port: 1701

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Successfully parsed the L2TP header (L2TP header length=6):TunnelID:4621,SessionID:41514,Type:0,Length:0,Sequence:0,Offset: 0,Priority:0

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Processed an L2TP data packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

No FlowCtrl: Received an L2TP Data Packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:040 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Input LCP(c021) Packet, PktLen 8

Current State acksent, code ConfAck(02), id 1, len 4

*Feb 11 10:58:46:201 2022 LNS L2TPV2/7/KDUMP: -Slot=2;

Sent a packet to PPP on interface Virtual-Access0 (length=24):

80 21 01 00 00 16 03 06 00 00 00 00 81 06 00 00

00 00 83 06 00 00 00 00

*Feb 11 10:58:46:201 2022 LNS PPP/7/EXTERNAL_EVENT: -Slot=2;

PPP External Event:

Virtual-Access0 Send negotiate packet to service board succeeded

*Feb 11 10:58:46:040 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP RCA(Receive Config Ack) Event

State acksent

*Feb 11 10:58:46:040 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Close Event

State acksent

*Feb 11 10:58:46:040 2022 LNS PPP/7/FSM_STATE_0:

PPP State Change:

Virtual-Access0 LCP: acksent --> closing

*Feb 11 10:58:46:040 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Output LCP(c021) Packet, PktLen 8

Current State closing, code TermReq(05), id 2, len 4

*Feb 11 10:58:46:040 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Input IPCP(8021) Packet, PktLen 26

Current State null, code ConfReq(01), id 0, len 22

IP Address(3), len 6, val 00 00 00 00

Primary DNS Server Address(81), len 6, val 00 00 00 00

Secondary DNS Server Address(83), len 6, val 00 00 00 00

*Feb 11 10:58:46:048 2022 LNS PPP/7/EXTERNAL_EVENT:

PPP External Event:

Virtual-Access0 deliver packet to user space success

*Feb 11 10:58:46:209 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Received an L2TP data packet:

Source IP: 192.50.0.20

Destination IP: 192.50.10.178

Source port: 1701

Destination port: 1701

*Feb 11 10:58:46:209 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Successfully parsed the L2TP header (L2TP header length=6):TunnelID:4621,SessionID:41514,Type:0,Length:0,Sequence:0,Offset: 0,Priority:0

*Feb 11 10:58:46:209 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

Processed an L2TP data packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:209 2022 LNS L2TPV2/7/KDATA-PKT: -Slot=2;

No FlowCtrl: Received an L2TP Data Packet. TunnelID=4621, SessiOnID=41514.

*Feb 11 10:58:46:209 2022 LNS L2TPV2/7/KDUMP: -Slot=2;

Sent a packet to PPP on interface Virtual-Access0 (length=6):

c0 21 06 02 00 04

*Feb 11 10:58:46:209 2022 LNS PPP/7/EXTERNAL_EVENT: -Slot=2;

PPP External Event:

Virtual-Access0 Send negotiate packet to service board succeeded

*Feb 11 10:58:46:048 2022 LNS PPP/7/FSM_PACKET_0:

PPP Packet:

Virtual-Access0 Input LCP(c021) Packet, PktLen 8

Current State closing, code TermAck(06), id 2, len 4

*Feb 11 10:58:46:048 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP RTA(Receive Terminate Ack) Event

State closing

*Feb 11 10:58:46:048 2022 LNS L2TPV2/7/CONTROL-PKT:

Received CDN packet from port 1701 (TunnelID=4621, length=38, Ns=4, Nr=2). Packet content:

c8 02 00 26 12 0d a2 2a 00 04 00 02 80 08 00 00

00 00 00 0e 80 0a 00 00 00 01 00 01 00 00 80 08

00 00 00 0e 00 01

*Feb 11 10:58:46:049 2022 LNS L2TPV2/7/EVENT:

Parsed Message-Type AVP: 14.

*Feb 11 10:58:46:049 2022 LNS L2TPV2/7/EVENT:

Parsed Result-Code AVP. Result-Code=1, Error-Code=0, Error-Message="".

*Feb 11 10:58:46:049 2022 LNS L2TPV2/7/EVENT:

Parsed Assigned-Session-ID AVP: 1.

*Feb 11 10:58:46:049 2022 LNS PPP/7/FSM_STATE_0:

PPP State Change:

Virtual-Access0 LCP: closing --> closed

*Feb 11 10:58:46:058 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: PPP daemon receive interface down event!

*Feb 11 10:58:46:058 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Lower Down Event

State closed

*Feb 11 10:58:46:059 2022 LNS PPP/7/FSM_STATE_0:

PPP State Change:

Virtual-Access0 LCP: closed --> initial

*Feb 11 10:58:46:059 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Close Event

State initial

%Feb 11 10:58:46:068 2022 LNS IFNET/3/PHY_UPDOWN: Physical state on the interface Virtual-Access0 changed to down.

*Feb 11 10:58:46:085 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: PPP daemon receive interface down event!

*Feb 11 10:58:46:086 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Lower Down Event

State initial

*Feb 11 10:58:46:086 2022 LNS PPP/7/FSM_ERROR_0:

PPP Error:

Virtual-Access0 LCP: FSM Illegal Event!

*Feb 11 10:58:46:086 2022 LNS PPP/7/FSM_EVENT_0:

PPP Event:

Virtual-Access0 LCP Close Event

State initial

*Feb 11 10:58:46:256 2022 LNS L2TPV2/7/KEVENT: -Slot=2;

Interface Virtual-Access0 deleted.

*Feb 11 10:58:46:739 2022 LNS L2TPV2/7/KEVENT: -Slot=1;

Interface Virtual-Access0 deleted.

*Feb 11 10:58:46:098 2022 LNS L2TPV2/7/KEVENT:

Interface Virtual-Access0 deleted.

*Feb 11 10:58:46:101 2022 LNS PPP/7/EXTERNAL_EVENT_0:

PPP External Event:

Virtual-Access0: Successfully freed the User ID 671088642.

*Feb 11 10:58:46:298 2022 LNS L2TPV2/7/EVENT:

TunnelID=4621: Delay-ACK timer expired, received duplicate Hello packet for 0 times and sent ZLB-ACK packet for 1 times. Ns=2, Nr=5.

组网及组网描述：

最佳答案

Pollyanna

Pollyanna 五段

粉丝：2人关注：3人

Received CDN packet from port 1701 (TunnelID=4621, length=38, Ns=4, Nr=2). Packet content:

LNS侧收到了拆除VA口通知，然后拆除，请排查LAC侧为什么发送该报文

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2 个回答

按时间按赞数

z6Kl9

z6Kl9 九段

粉丝：72人关注：2人

贴配置吧

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洪波万里

洪波万里五段

粉丝：1人关注：0人

[LNS]dis current-configuration

version 7.1.064, Release 0809P29

sysname LNS

ip pool unicom-l2tp-user 10.40.0.1 10.40.3.200

ip pool unicom-l2tp-user gateway 10.40.3.254

dhcp enable

lldp global enable

password-recovery enable

vlan 1

l2vpn enable

controller Cellular2/0/0

interface Virtual-Template1

ppp authentication-mode pap chap

remote address pool unicom-l2tp-user

ip address 10.40.3.254 255.255.252.0

interface NULL0

interface GigabitEthernet2/0/0

port link-mode route

combo enable copper

interface GigabitEthernet2/0/1

port link-mode route

combo enable copper

interface GigabitEthernet2/0/2

port link-mode route

combo enable copper

interface GigabitEthernet2/0/3

port link-mode route

combo enable copper

interface GigabitEthernet2/0/4

port link-mode route

combo enable copper

interface GigabitEthernet2/0/5

port link-mode route

combo enable copper

interface GigabitEthernet2/0/6

port link-mode route

combo enable copper

interface GigabitEthernet2/0/7

port link-mode route

combo enable copper

interface GigabitEthernet2/0/8

port link-mode route

combo enable copper

interface GigabitEthernet2/0/9

port link-mode route

combo enable copper

interface GigabitEthernet2/1/0

port link-mode route

interface GigabitEthernet2/1/1

port link-mode route

interface GigabitEthernet2/1/2

port link-mode route

interface GigabitEthernet2/1/3

port link-mode route

interface GigabitEthernet2/2/0

port link-mode route

description 联通5G

ip address 192.50.10.178 255.255.255.252

interface GigabitEthernet2/2/1

port link-mode route

interface GigabitEthernet2/2/2

port link-mode route

interface GigabitEthernet2/2/3

port link-mode route

description 区府内网

ip address 10.160.245.6 255.255.255.252

interface M-GigabitEthernet0

interface Ten-GigabitEthernet2/0/10

port link-mode route

interface Ten-GigabitEthernet2/0/11

port link-mode route

interface Ten-GigabitEthernet2/0/12

port link-mode route

interface Ten-GigabitEthernet2/0/13

port link-mode route

scheduler logfile size 16

line class console

user-role network-admin

line class tty

user-role network-operator

line class vty

user-role network-operator

line con 0 1

user-role network-admin

line vty 0 63

authentication-mode scheme

user-role network-operator

ip route-static 0.0.0.0 0 10.160.245.5

ip route-static 10.160.0.0 16 10.160.245.5

ip route-static 172.25.0.0 16 10.160.245.5

ip route-static 192.50.0.0 24 192.50.10.177

ip route-static 192.50.0.1 32 192.50.10.177

ip route-static 192.50.0.3 32 192.50.10.177

ip route-static 192.50.0.20 32 192.50.10.177

ip route-static 192.50.0.21 32 192.50.10.177

ip route-static 192.50.0.32 32 192.50.10.177

snmp-agent

snmp-agent local-engineid 8000291780DC2DCB3A285A00000001

snmp-agent community read cipher $c$3$bf62+Dzlvpr4MkhR94bxVip6dFzJ2uhCDtNIErE=

snmp-agent sys-info version all

ssh server enable

ssh user admin service-type stelnet authentication-type password

acl number 3177

rule 0 permit ip destination 172.25.200.0 0.0.0.255

rule 5 permit ip destination 10.160.20.20 0

rule 2000 deny ip

radius scheme vpdn

primary authentication 10.160.20.20 key cipher $c$3$zMGs1ZU98oCuSczQaMYpuSpcU0GEGAOB4Q==

primary accounting 10.160.20.20 key cipher $c$3$aRbqzi4bg6EmnjRLmzBlU7PLVDdot2STkA==

user-name-format without-domain

nas-ip 10.160.245.6

domain system

authentication ppp local

accounting ppp local

domain vpdn

authentication ppp local

accounting ppp local

domain default enable system

role name level-0

description Predefined level-0 role

role name level-1

description Predefined level-1 role

role name level-2

description Predefined level-2 role

role name level-3

description Predefined level-3 role

role name level-4

description Predefined level-4 role

role name level-5

description Predefined level-5 role

role name level-6

description Predefined level-6 role

role name level-7

description Predefined level-7 role

role name level-8

description Predefined level-8 role

role name level-9

description Predefined level-9 role

role name level-10

description Predefined level-10 role

role name level-11

description Predefined level-11 role

role name level-12

description Predefined level-12 role

role name level-13

description Predefined level-13 role

role name level-14

description Predefined level-14 role

user-group system

local-user admin class manage

password hash $h$6$pLAXNMqqTHZl50Cs$5ui2fO0zvKizbi/73L75hU/jQPRl/9O/OudvwFUCKRE0psM5rAUBYuUnvJVRUkPLwpfF5UDpYsWVnv+fAryyVA==

service-type ssh https

authorization-attribute user-role network-admin

authorization-attribute user-role network-operator

local-user ceshi class network

password cipher $c$3$pL5U35nKjDZRk9hLob+e55Hg3LK00+U1b7pi2eu0tg==

service-type ppp

authorization-attribute user-role network-operator

local-user l2tp class network

password cipher $c$3$YhWAlhEwYnrMv9fX42G9cv7MoQ0t6VA=

service-type advpn

service-type ppp

authorization-attribute user-role network-operator

l2tp-group 1 mode lns

allow l2tp virtual-template 1 remote gzm2ml2tp

tunnel name LNS

tunnel password cipher $c$3$PxBU3Ygtw5QvjEayVWPvAah7wVvxYgljfLOvVQ==

l2tp enable

ip http enable

ip https enable

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问题描述：

组网及组网描述：

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