windows-7 – 从Windows 7到ASA 5520的L2TP / IPSec

我正在尝试在ASA5520上设置L2TP / IPSec,以支持我们的一个开发人员的边缘情况.当您使用内置的vpn子系统时,Windows VPN子系统显然存储了用于登录的kerberos或NTLM cookie,并且Cisco VPN客户端和AnyConnect客户端不执行此操作.

当我尝试通过Windows 7连接到VPN时,连接失败:

%ASA-5-713257: Phase 1 failure:  Mismatched attribute types for class Group Description:  Rcv'd: Unknown  Cfg'd: Group 2
%ASA-5-713257: Phase 1 failure:  Mismatched attribute types for class Group Description:  Rcv'd: Unknown  Cfg'd: Group 2
%ASA-5-713257: Phase 1 failure:  Mismatched attribute types for class Group Description:  Rcv'd: Unknown  Cfg'd: Group 2
%ASA-5-713257: Phase 1 failure:  Mismatched attribute types for class Group Description:  Rcv'd: Unknown  Cfg'd: Group 2
%ASA-5-713119: Group = DefaultRAGroup,IP = 1.2.3.4,PHASE 1 COMPLETED
%ASA-3-713122: IP = 1.2.3.4,Keep-alives configured on but peer does not support keep-alives (type = None)
%ASA-5-713257: Phase 2 failure:  Mismatched attribute types for class Encapsulation Mode:  Rcv'd: UDP Transport  Cfg'd: UDP Tunnel(NAT-T)
%ASA-5-713904: Group = DefaultRAGroup,All IPSec SA proposals found unacceptable!
%ASA-3-713902: Group = DefaultRAGroup,QM FSM error (P2 struct &0x749f2490,mess id 0x1)!
%ASA-3-713902: Group = DefaultRAGroup,Removing peer from correlator table failed,no match!
%ASA-5-713259: Group = DefaultRAGroup,Session is being torn down. Reason: Phase 2 Mismatch
%ASA-4-113019: Group = DefaultRAGroup,Username =,Session disconnected. Session Type: IKEv1,Duration: 0h:00m:00s,Bytes xmt: 0,Bytes rcv: 0,Reason: Phase 2 Mismatch
%ASA-5-713257: Phase 1 failure:  Mismatched attribute types for class Group Description:  Rcv'd: Unknown  Cfg'd: Group 2
%ASA-5-713257: Phase 1 failure:  Mismatched attribute types for class Group Description:  Rcv'd: Unknown  Cfg'd: Group 2
%ASA-5-713257: Phase 1 failure:  Mismatched attribute types for class Group Description:  Rcv'd: Unknown  Cfg'd: Group 2
%ASA-5-713257: Phase 1 failure:  Mismatched attribute types for class Group Description:  Rcv'd: Unknown  Cfg'd: Group 2

具体来说,我认为此错误具有相关性:类封装模式的属性类型不匹配:Rcv’d:UDP传输Cfg’d:UDP隧道(NAT-T)

来自加密驱动程序的调试似乎没有多大帮助;以下是isakmp等级127和ipsec等级100:

7|Apr 26 2012|02:10:38|713236|||||IP = 1.2.3.4,IKE_DECODE RESENDING Message (msgid=0) with payloads : HDR + SA (1) + VENDOR (13) + VENDOR (13) + NONE (0) total length : 124
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE SENDING Message (msgid=0) with payloads : HDR + SA (1) + VENDOR (13) + VENDOR (13) + NONE (0) total length : 124
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing Fragmentation VID + extended capabilities payload
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing NAT-Traversal VID ver RFC payload
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing ISAKMP SA payload
7|Apr 26 2012|02:10:30|715028|||||IP = 1.2.3.4,IKE SA Proposal # 1,Transform # 5 acceptable  Matches global IKE entry # 1
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing IKE SA payload
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing VID payload
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing VID payload
7|Apr 26 2012|02:10:30|715049|||||IP = 1.2.3.4,Received Fragmentation VID
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,Received NAT-Traversal ver 02 VID
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,Received NAT-Traversal RFC VID
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing VID payload
7|Apr 26 2012|02:10:30|713906|||||IP = 1.2.3.4,Oakley proposal is acceptable
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing SA payload
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE RECEIVED Message (msgid=0) with payloads : HDR + SA (1) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + NONE (0) total length : 384
4|Apr 26 2012|02:10:30|113019|||||Group = DefaultRAGroup,Reason: Phase 2 Mismatch
5|Apr 26 2012|02:10:30|713259|||||Group = DefaultRAGroup,Session is being torn down. Reason: Phase 2 Mismatch
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE SENDING Message (msgid=3a0d0c58) with payloads : HDR + HASH (8) + DELETE (12) + NONE (0) total length : 80
7|Apr 26 2012|02:10:30|715046|||||Group = DefaultRAGroup,constructing qm hash payload
7|Apr 26 2012|02:10:30|715046|||||Group = DefaultRAGroup,constructing IKE delete payload
7|Apr 26 2012|02:10:30|715046|||||Group = DefaultRAGroup,constructing blank hash payload
7|Apr 26 2012|02:10:30|713906|||||Group = DefaultRAGroup,sending delete/delete with reason message
7|Apr 26 2012|02:10:30|713906|||||Group = DefaultRAGroup,IKE SA MM:c7159238 terminating:  flags 0x01000002,refcnt 0,tuncnt 0
7|Apr 26 2012|02:10:30|713906|||||Group = DefaultRAGroup,IKE SA MM:c7159238 rcv'd Terminate: state MM_ACTIVE  flags 0x00000042,refcnt 1,tuncnt 0
3|Apr 26 2012|02:10:30|713902|||||Group = DefaultRAGroup,no match!
7|Apr 26 2012|02:10:30|713906|||||Group = DefaultRAGroup,sending delete/delete with reason message
7|Apr 26 2012|02:10:30|715065|||||Group = DefaultRAGroup,IKE QM Responder FSM error history (struct &0x766c58e8),:  QM_DONE,EV_ERROR-->QM_BLD_MSG2,EV_NEGO_SA-->QM_BLD_MSG2,EV_IS_REKEY-->QM_BLD_MSG2,EV_CONFIRM_SA-->QM_BLD_MSG2,EV_PROC_MSG-->QM_BLD_MSG2,EV_HASH_OK-->QM_BLD_MSG2,NullEvent-->QM_BLD_MSG2,EV_COMP_HASH
3|Apr 26 2012|02:10:30|713902|||||Group = DefaultRAGroup,QM FSM error (P2 struct &0x766c58e8,mess id 0x1)!
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE SENDING Message (msgid=bf34e4e7) with payloads : HDR + HASH (8) + NOTIFY (11) + NONE (0) total length : 84
7|Apr 26 2012|02:10:30|715046|||||Group = DefaultRAGroup,constructing qm hash payload
7|Apr 26 2012|02:10:30|713906|||||Group = DefaultRAGroup,constructing ipsec notify payload for msg id 1
7|Apr 26 2012|02:10:30|715046|||||Group = DefaultRAGroup,sending notify message
5|Apr 26 2012|02:10:30|713904|||||Group = DefaultRAGroup,All IPSec SA proposals found unacceptable!
7|Apr 26 2012|02:10:30|715047|||||Group = DefaultRAGroup,processing IPSec SA payload
7|Apr 26 2012|02:10:30|713066|||||Group = DefaultRAGroup,IKE Remote Peer configured for crypto map: OUTSIDE_DYN_MAP
7|Apr 26 2012|02:10:30|715059|||||Group = DefaultRAGroup,Selecting only UDP-Encapsulated-Tunnel and  UDP-Encapsulated-Transport modes defined by NAT-Traversal
7|Apr 26 2012|02:10:30|713224|||||Group = DefaultRAGroup,Static Crypto Map Check by-passed: Crypto map entry incomplete!
7|Apr 26 2012|02:10:30|713221|||||Group = DefaultRAGroup,Static Crypto Map check,checking map = vpnmap,seq = 65499...
7|Apr 26 2012|02:10:30|713222|||||Group = DefaultRAGroup,map = vpnmap,seq = 20,ACL does not match proxy IDs src:1.2.3.4 dst:64.34.119.71
7|Apr 26 2012|02:10:30|713221|||||Group = DefaultRAGroup,seq = 20...
7|Apr 26 2012|02:10:30|713222|||||Group = DefaultRAGroup,seq = 10,seq = 10...
7|Apr 26 2012|02:10:30|713906|||||Group = DefaultRAGroup,QM IsRekeyed old sa not found by addr
7|Apr 26 2012|02:10:30|715047|||||Group = DefaultRAGroup,processing NAT-Original-Address payload
7|Apr 26 2012|02:10:30|715047|||||Group = DefaultRAGroup,processing NAT-Original-Address payload
7|Apr 26 2012|02:10:30|720041|||||(VPN-Secondary) Sending Phase 1 Rcv Delete message (type RA,remote addr 1.2.3.4,my cookie C7159238,his cookie E973BA0F) to standby unit
7|Apr 26 2012|02:10:30|713906|||||Group = DefaultRAGroup,L2TP/IPSec session detected.
7|Apr 26 2012|02:10:30|713024|||||Group = DefaultRAGroup,Received local Proxy Host data in ID Payload:  Address 64.34.119.71,Protocol 17,Port 1701
7|Apr 26 2012|02:10:30|714011|||||Group = DefaultRAGroup,ID_IPV4_ADDR ID received
7|Apr 26 2012|02:10:30|715047|||||Group = DefaultRAGroup,processing ID payload
7|Apr 26 2012|02:10:30|713025|||||Group = DefaultRAGroup,Received remote Proxy Host data in ID Payload:  Address 10.65.3.237,processing ID payload
7|Apr 26 2012|02:10:30|715047|||||Group = DefaultRAGroup,processing nonce payload
7|Apr 26 2012|02:10:30|715047|||||Group = DefaultRAGroup,processing SA payload
7|Apr 26 2012|02:10:30|715047|||||Group = DefaultRAGroup,processing hash payload
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE RECEIVED Message (msgid=1) with payloads : HDR + HASH (8) + SA (1) + NONCE (10) + ID (5) + ID (5) + NAT-OA (21) + NAT-OA (21) + NONE (0) total length : 324
7|Apr 26 2012|02:10:30|714003|||||IP = 1.2.3.4,IKE Responder starting QM: msg id = 00000001
7|Apr 26 2012|02:10:30|720041|||||(VPN-Secondary) Sending New Phase 1 SA message (type RA,his cookie E973BA0F) to standby unit
7|Apr 26 2012|02:10:30|715080|||||Group = DefaultRAGroup,Starting P1 rekey timer: 21600 seconds.
3|Apr 26 2012|02:10:30|713122|||||IP = 1.2.3.4,Keep-alives configured on but peer does not support keep-alives (type = None)
7|Apr 26 2012|02:10:30|713121|||||IP = 1.2.3.4,Keep-alive type for this connection: None
5|Apr 26 2012|02:10:30|713119|||||Group = DefaultRAGroup,PHASE 1 COMPLETED
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE SENDING Message (msgid=0) with payloads : HDR + ID (5) + HASH (8) + VENDOR (13) + NONE (0) total length : 84
7|Apr 26 2012|02:10:30|715046|||||Group = DefaultRAGroup,constructing dpd vid payload
7|Apr 26 2012|02:10:30|715076|||||Group = DefaultRAGroup,Computing hash for ISAKMP
7|Apr 26 2012|02:10:30|715046|||||Group = DefaultRAGroup,constructing hash payload
7|Apr 26 2012|02:10:30|715046|||||Group = DefaultRAGroup,constructing ID payload
7|Apr 26 2012|02:10:30|713906|||||IP = 1.2.3.4,Connection landed on tunnel_group DefaultRAGroup
6|Apr 26 2012|02:10:30|713172|||||Group = DefaultRAGroup,Automatic NAT Detection Status:     Remote end   IS   behind a NAT device     This   end is NOT behind a NAT device
7|Apr 26 2012|02:10:30|715076|||||Group = DefaultRAGroup,Computing hash for ISAKMP
7|Apr 26 2012|02:10:30|715047|||||Group = DefaultRAGroup,processing hash payload
7|Apr 26 2012|02:10:30|714011|||||Group = DefaultRAGroup,processing ID payload
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE RECEIVED Message (msgid=0) with payloads : HDR + ID (5) + HASH (8) + NONE (0) total length : 64
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE SENDING Message (msgid=0) with payloads : HDR + KE (4) + NONCE (10) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + NAT-D (20) + NAT-D (20) + NONE (0) total length : 304
7|Apr 26 2012|02:10:30|713906|||||Group = DefaultRAGroup,Generating keys for Responder...
7|Apr 26 2012|02:10:30|713906|||||IP = 1.2.3.4,Connection landed on tunnel_group DefaultRAGroup
7|Apr 26 2012|02:10:30|713906|||||IP = 1.2.3.4,computing NAT Discovery hash
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing NAT-Discovery payload
7|Apr 26 2012|02:10:30|713906|||||IP = 1.2.3.4,constructing NAT-Discovery payload
7|Apr 26 2012|02:10:30|715048|||||IP = 1.2.3.4,Send Altiga/Cisco VPN3000/Cisco ASA GW VID
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing VID payload
7|Apr 26 2012|02:10:30|715038|||||IP = 1.2.3.4,Constructing ASA spoofing IOS Vendor ID payload (version: 1.0.0,capabilities: 20000001)
7|Apr 26 2012|02:10:30|715048|||||IP = 1.2.3.4,Send IOS VID
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing xauth V6 VID payload
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing Cisco Unity VID payload
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing nonce payload
7|Apr 26 2012|02:10:30|715046|||||IP = 1.2.3.4,constructing ke payload
7|Apr 26 2012|02:10:30|713906|||||IP = 1.2.3.4,computing NAT Discovery hash
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing NAT-Discovery payload
7|Apr 26 2012|02:10:30|713906|||||IP = 1.2.3.4,processing NAT-Discovery payload
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing nonce payload
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing ISA_KE payload
7|Apr 26 2012|02:10:30|715047|||||IP = 1.2.3.4,processing ke payload
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE RECEIVED Message (msgid=0) with payloads : HDR + KE (4) + NONCE (10) + NAT-D (20) + NAT-D (20) + NONE (0) total length : 260
7|Apr 26 2012|02:10:30|713236|||||IP = 1.2.3.4,IKE_DECODE RECEIVED Message (msgid=0) with payloads : HDR + SA (1) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + VENDOR (13) + NONE (0) total length : 384
5|Apr 26 2012|02:10:21|111005|||||1.2.3.4 end configuration: OK
7|Apr 26 2012|02:10:16|713906|||||IP = 1.2.3.4,sending delete/delete with reason message
7|Apr 26 2012|02:10:16|713906|||||IP = 1.2.3.4,IKE SA MM:b1f927e6 terminating:  flags 0x01000002,tuncnt 0
7|Apr 26 2012|02:10:16|715065|||||IP = 1.2.3.4,IKE MM Responder FSM error history (struct &0x76bd68f8),:  MM_DONE,EV_ERROR-->MM_WAIT_MSG3,EV_TIMEOUT-->MM_WAIT_MSG3,NullEvent-->MM_SND_MSG2,EV_SND_MSG-->MM_SND_MSG2,EV_START_TMR-->MM_SND_MSG2,EV_RESEND_MSG-->MM_WAIT_MSG3,NullEvent
5|Apr 26 2012|02:10:16|111010|||||User 'pgrace',running 'CLI' from IP 1.2.3.4,executed 'logging asdm debugging'

这是我的配置:

ny-asa01# sh run crypto
crypto ipsec ikev1 transform-set ESP-3DES-SHA esp-3des esp-sha-hmac
crypto ipsec ikev1 transform-set TRANS_ESP_3DES_MD5 esp-3des esp-md5-hmac
crypto ipsec ikev1 transform-set TRANS_ESP_3DES_MD5 mode transport
crypto ipsec ikev1 transform-set TRANS_ESP_3DES_SHA esp-3des esp-sha-hmac
crypto ipsec ikev1 transform-set TRANS_ESP_3DES_SHA mode transport
crypto ipsec security-association lifetime seconds 86400
crypto dynamic-map OUTSIDE_DYN_MAP 10 set ikev1 transform-set ESP-3DES-SHA
crypto dynamic-map OUTSIDE_DYN_MAP 10 set security-association lifetime seconds 86400
crypto dynamic-map OUTSIDE_DYN_MAP 10 set reverse-route
crypto dynamic-map OUTSIDE_DYN_MAP 20 set ikev1 transform-set TRANS_ESP_3DES_MD5
crypto dynamic-map OUTSIDE_DYN_MAP 20 set nat-t-disable
crypto dynamic-map L2TP_MAP 10 set ikev1 transform-set TRANS_ESP_3DES_MD5
crypto map vpnmap 10 match address A_to_B_vpn
crypto map vpnmap 10 set pfs
crypto map vpnmap 10 set peer 9.8.7.6
crypto map vpnmap 10 set ikev1 transform-set ESP-3DES-SHA
crypto map vpnmap 20 match address B_TO_C_vpn
crypto map vpnmap 20 set pfs
crypto map vpnmap 20 set peer 5.4.3.2
crypto map vpnmap 20 set ikev1 transform-set ESP-3DES-SHA
crypto map vpnmap 65500 ipsec-isakmp dynamic OUTSIDE_DYN_MAP
crypto map vpnmap interface outside
crypto isakmp identity address
crypto isakmp nat-traversal 300
crypto ikev1 enable outside
crypto ikev1 ipsec-over-tcp port 10000
crypto ikev1 policy 1
 authentication pre-share
 encryption 3des
 hash sha
 group 2
 lifetime 86400

 tunnel-group DefaultRAGroup general-attributes
 address-pool stackvpn_pool
 authentication-server-group RADIUS_SERVER
 accounting-server-group RADIUS_SERVER
 default-group-policy stackvpn_l2tp
tunnel-group DefaultRAGroup ipsec-attributes
 ikev1 pre-shared-key *****
tunnel-group DefaultRAGroup ppp-attributes
 no authentication chap

group-policy stackvpn_l2tp internal
group-policy stackvpn_l2tp attributes
 dns-server value 5.6.7.8 9.10.11.12
 vpn-tunnel-protocol l2tp-ipsec
 ipsec-udp enable
 split-tunnel-policy tunnelspecified
 split-tunnel-network-list value VPN_SPLIT_TUNNEL
 address-pools value stackvpn_pool

显然,第2阶段的不匹配通常会通过更改提案来解决,但不幸的是,似乎Windows 7根本不会让您查看提案设置.在Win7配置中无法明确打开NAT-T.

所以,我的问题是:我的配置是否很棘手?有没有人在Windows上加载8.4的L2A上正常使用L2TP?

我有IPSEC在Windows 7和ASA之间以“lan-to-lan”模式工作,具有8.3(2)13(FIPS认证).

我很确定你对这个错误是正确的 – 如果它不能协商一个SA你就被冲洗了.

我会尝试摆脱“NAT Traversal”.当然,您可能会遇到尝试重新访问NAT,在这种情况下可能需要它.但这肯定是你问题的原因.

我想你的另一个选择是弄清楚如何让windows 7做nat-traversal SA类型.您可以尝试在Windows上使用netsh advfirewall consec.

这是我给它添加书签的参考资料. http://technet.microsoft.com/en-us/library/dd736198(v=ws.10).aspx.

一个注意事项 – Windows文档说明了定期重新键入连接的重要性.但是,如果过于频繁地重新键入,则ASA会进行转储并断开连接.确保不要每隔2分钟重新按键一次.使用MS建议的重新生成的字节数值使其低于2分钟.

当我们开设支持案例时,M $无法真正给出他们推荐的任何理由.他们给我们发了一大笔费用.

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文章浏览阅读974次,点赞7次,收藏8次。提供了更强大的功能,因为它允许直接访问当前元素,而不需要类型转换。接口,它可以提供一个迭代器,用于按顺序访问集合中的元素。接口是只读的,它只能支持前向迭代,不能修改集合中的元素。类型的集合实例,并向其中添加了几个元素。接口,可以创建一个能够迭代访问泛型集合中元素的迭代器。接口,我们可以在 C# 中实现可迭代的集合,并使用。循环和迭代器手动遍历集合,并输出每个元素的值。接口表示一个可枚举的集合,它定义了一个方法。属性,用于获取集合中当前位置的元素。存储集合中的元素,并实现了。的泛型集合类,它实现了。
文章浏览阅读1.4w次,点赞5次,收藏22次。如果使用iterator的remove方法则会正常,因为iterator的remove方法会在内部调用List的remove方法,但是会修改excepedModCount的值,因此会正常运行。因为遍历过程中进行remove 操作时,该位置后面的元素会挤到前面来,这时候会发生一种情况就是原来元素的位置会被他后面的元素取代,而该位置已经遍历过了,所以该元素不会背遍历。当我们倒序遍历元素的时候,无论删除元素之后的元素怎么移动,之前的元素对应的索引(index)是不会发生变化的,所以在删除元素的时候不会发生问题。_list删除某个元素
文章浏览阅读2.9w次,点赞45次,收藏192次。Windows下配置Visual Studio _vs2022环境变量配置
文章浏览阅读7w次,点赞162次,收藏778次。pip 是Python包管理工具,提供了对 Python 包的查找、下载、安装、卸载的功能,目前Python 3.4 和 2.7 及以上版本都有配套安装,一般pip的位置在...pythonScripts文件夹里面,而在其他版本需要自行下载。_python pip install安装
文章浏览阅读5.8k次,点赞2次,收藏12次。①此电脑右击----->选择属性----->高级系统设置----->环境变量----->path----->编辑----->新建。第一个选项意思就是将安装路径填入到系统环境变量中,这里勾选,后面使用可能会出现问题,建议不要勾选,安装好之后手动添加环境变量。注意:如果提示conda不是内部或外部命令,原因是Anaconda的环境变量没配置好。如果不想立即打开anaconda,不勾选直接finish就好。②输入 conda --version ,查看conda环境。②直接按win键,搜索“环境变量”_windows安装anaconda
文章浏览阅读5.1k次,点赞8次,收藏55次。Windows 系统从零配置 Python 环境,安装CUDA、CUDNN、PyTorch 详细教程_windows cuda cudnn配置
文章浏览阅读1.5w次,点赞54次,收藏68次。macOS系统自带有VNC远程桌面,我们可以在控制端上安装配置VNC客户端,以此来实现远程控制macOS。但通常需要在不同网络下进行远程控制,为此,我们可以在macOS被控端上使用cpolar做内网穿透,映射VNC默认端口5900,通过所生成的公网地址,来实现在公网环境下远程控制VNC。_vnc mac
文章浏览阅读2.4k次,点赞5次,收藏11次。进入后根据自己的电脑系统下载,这是python 3.10版本下载地址,如果想要下载其它版本可进入此链接(下载完成后点击进行安装点击下一步,到这一步时,可以选择将Anaconda添加我的PATH环境变量中,这样就不用自己手动配置和环境变量。安装完成后,打开终端,输出 python 命令可查看是否安装成功。如果显示自己刚才安装的版本号说明安装成功。查看conda版本命令:conda info。_paddlespeech下载
文章浏览阅读3.3k次。所以如果要删除之前新增的课程编译原理,只需输入命令del Course:8:Cname,同时还应该把本课程的学分删除del Course:8:Ccredit,如下图所示;Redis并没有修改数据的命令,所以如果在Redis中要修改一条数据,只能在使用set命令时,使用同样的键值,然后用新的value值来覆盖旧的数据。先调用get命令,输出原先的值,然后set新的值,最后再get得到新值,所以修改成功。输入命令后没有报错,表示成功了,刷新windows的服务,多了一个redis服务。_redis windows服务
文章浏览阅读2.1w次,点赞9次,收藏56次。​​接着在【工作负荷】中,选择【使用C++桌面开发】 ,右边【安装详细信息】去除其它可选项,只勾选【MSVCv142 】和 【Windows 10 SDK】,按图示修改,然后右下角点击安装,之后会有提示让你重启电脑。重启电脑之后,再进行pip安装。报错原因是pip所安装的包需要使用C++编译后才能够正常安装,但是当前安装环境中缺少完整的C++编译环境,因此安装失败。3.安装Microsoft Visual C++ Build Tool离线安装包(1个多G),CSDN资源很多,需要积分下载,_error: microsoft visual c++ 14.0 or greater is required. get it with "micros
文章浏览阅读1.1w次,点赞3次,收藏7次。Step 3: 在右侧窗口中找到名称为“LongPathsEnabled”的“DWORD (32 位) 值”条目,并双击它。通过注册表方法或组策略方法启用长路径支持后,您将能够在 Windows 中使用长路径,并能够访问和处理长路径下的文件和文件夹。Step 2: 依次选择“计算机配置” > “管理模板” > “系统” > “文件资源管理器”。Step 3: 找到“启用 Win32 长路径”设置,双击它。Step 4: 选择“已启用”选项按钮,然后选择“应用”按钮。_windows长路径支持
文章浏览阅读2.5k次,点赞81次,收藏86次。
文章浏览阅读1.3k次,点赞65次,收藏50次。顺序表,链表,栈,队列,ArrayList,LinkedList,Stack,Queue
文章浏览阅读2.3k次,点赞2次,收藏2次。AnyTXTSearcher是一款能够帮助我们对文档以及文本内容进行快速搜索和管理的工具,通过该软件能够搜索各种Office文档,文本文件,代码,PDF文档等,顶级的全文搜索引擎1秒钟之内即可完成搜索。_anytxt searcher
文章浏览阅读8.8k次,点赞73次,收藏70次。有时,在删除/移动/重命名文件夹/文件时,会遇到如下警告,即使将打开的程序关闭了,后台也可能会有没关干净的相关进程。_解除占用
文章浏览阅读4.3w次,点赞91次,收藏102次。JDK(Java Development Kit)是Java开发工具包的缩写,包含了Java编译器、Java虚拟机、Java类库等众多组件,是Java开发的基石,提供了编写、编译和运行Java程序所必需的工具。同时,为了让系统能够正确识别Java环境,在开始使用JDK进行Java开发之前,需要先把JDK安装到本地计算机,并配置好相应的环境变量。本文将介绍JDK安装与环境变量配置的方法。_windows安装jdk并配置环境变量