L2TP拨号失败
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问题描述：
LAC是客户的设备，没有权限登陆。LNS是我们华三的防火墙F5000-C。
安全策略全放通，L2TP拨号不成功，以下是debug信息;
<H3C>*Jul 2 11:50:04:219 2019 H3C IPFW/7/IPFW_PACKET: -COntext=1;
Delivering, interface = GigabitEthernet1/0/3
version = 4, headlen = 20, tos = 252
pktlen = 131, pktid = 51089, offset = 0, ttl = 250, protocol = 17
checksum = 20076, s = 192.20.0.9, d = 192.20.41.62
channelID = 0, vpn-InstanceIn = 0, vpn-InstanceOut = 0.
prompt: Forwarding IP packet to upper layer.
Payload: UDP
source port = 1701, destination port = 1701
checksum = 0x0000, length = 111.
*Jul 2 11:50:04:221 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
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 b1 8e 80 08 00 00 00 0a 00
40 80 16 00 00 00 0b 26 6c cd 54 81 92 76 90 af
10 9d 6c e7 f7 72 42
*Jul 2 11:50:04:222 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Message-Type AVP: 1.
*Jul 2 11:50:04:222 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Protocol-Version AVP. Version=1, Revision=0.
*Jul 2 11:50:04:223 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Host-Name AVP: gzm2ml2tp.
*Jul 2 11:50:04:223 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Vendor-Name AVP: HUAWEI.
*Jul 2 11:50:04:224 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Framing-Capabilities AVP: 3.
*Jul 2 11:50:04:224 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Assigned-Tunnel-ID AVP: 45454.
*Jul 2 11:50:04:224 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Receive-Window-Size AVP: 64.
*Jul 2 11:50:04:225 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Challenge AVP: 26 6c cd 54 81 92 76 90 af 10 9d 6c e7 f7 72 42
*Jul 2 11:50:04:225 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Message-Type AVP:
80 08 00 00 00 00 00 02
*Jul 2 11:50:04:226 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Protocol-Version AVP:
80 08 00 00 00 02 01 00
*Jul 2 11:50:04:227 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Host-Name AVP:
80 09 00 00 00 07 48 33 43
*Jul 2 11:50:04:227 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Framing-Capabilities AVP:
80 0a 00 00 00 03 00 00 00 00
*Jul 2 11:50:04:228 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Assigned-Tunnel-ID AVP:
80 08 00 00 00 09 4f bf
*Jul 2 11:50:04:229 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Bearer-Capabilities AVP:
80 0a 00 00 00 04 00 00 00 03
*Jul 2 11:50:04:229 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Receive-Window-Size AVP:
80 08 00 00 00 0a 04 00
*Jul 2 11:50:04:230 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Challenge AVP:
80 16 00 00 00 0b c1 66 dc 5b 0e b4 01 ef 4a 1b
57 10 29 29 a2 d9
*Jul 2 11:50:04:232 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Encapsulated Challenge-Response AVP:
80 16 00 00 00 0d e9 e0 0c 14 46 26 50 55 f6 57
bb b2 58 70 3c f7
*Jul 2 11:50:04:233 2019 H3C L2TPV2/7/EVENT: -COntext=1;
TunnelID=20415: Processed SCCRQ packet in Idle state, sent SCCRP packet and changed the tunnel state to Wait-connect.
*Jul 2 11:50:04:237 2019 H3C IPFW/7/IPFW_PACKET: -COntext=1;
Delivering, interface = GigabitEthernet1/0/3
version = 4, headlen = 20, tos = 252
pktlen = 66, pktid = 51090, offset = 0, ttl = 250, protocol = 17
checksum = 20140, s = 192.20.0.9, d = 192.20.41.62
channelID = 0, vpn-InstanceIn = 0, vpn-InstanceOut = 0.
prompt: Forwarding IP packet to upper layer.
Payload: UDP
source port = 1701, destination port = 1701
checksum = 0x0000, length = 46.
*Jul 2 11:50:04:238 2019 H3C L2TPV2/7/CONTROL-PKT: -COntext=1;
Received StopCCN packet from port 1701 (TunnelID=20415, length=38, Ns=1, Nr=1). Packet content:
c8 02 00 26 4f bf 00 00 00 01 00 01 80 08 00 00
00 00 00 04 80 08 00 00 00 09 b1 8e 80 0a 00 00
00 01 00 02 00 00
*Jul 2 11:50:04:239 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Message-Type AVP: 4.
*Jul 2 11:50:04:239 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Assigned-Tunnel-ID AVP: 45454.
*Jul 2 11:50:04:239 2019 H3C L2TPV2/7/EVENT: -COntext=1;
Parsed Result-Code AVP. Result-Code=2, Error-Code=0, Error-Message="".
*Jul 2 11:50:04:240 2019 H3C L2TPV2/7/EVENT: -COntext=1;
TunnelID=20415: Processed StopCCN packet in Wait-connect state, and changed the tunnel state to Stopping.
*Jul 2 11:50:04:475 2019 H3C L2TPV2/7/EVENT: -COntext=1;
TunnelID=20415: Delay-ACK timer expired, received duplicate Hello packet for 0 times and sent ZLB-ACK packet for 1 times. Ns=1, Nr=2.
*Jul 2 11:50:35:275 2019 H3C L2TPV2/7/EVENT: -COntext=1;
TunnelID=20415: Delay-Cleanup timer expired and deleted the local tunnel.
- 2019-07-02提问
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有隧道信息，但是状态位stopping，没有会话信息
*Jul 2 11:50:04:239 2019 H3C L2TPV2/7/EVENT: -COntext=1; Parsed Result-Code AVP. Result-Code=2, Error-Code=0, Error-Message="". 这里的Result-Code=2, Error-Code=0，有解释吗，什么原因
建议咨询一下400，这个报错是内部的模块