如何配置 VPDN 的 RADIUS 认证

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已更新: 2008 年 2 月 26 日
文档 ID:4675

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简介

使用虚拟专用拨号网络 (VPDN) 可以将服务中的专用网络拨号分布到远程接入服务器（定义为 L2TP 接入集中器 [LAC]）。在点对点协议 (PPP) 客户端拨入 LAC 后，LAC 会确定应该将该 PPP 会话转发到该客户端的 L2TP 网络服务器 (LNS)，后者随后将对用户进行身份身份并启动 PPP 协商。完成 PPP 设置后，所有帧都将通过 LAC 发送到客户端和 LNS。

此示例配置允许您通过 VPDN 执行 RADIUS 身份验证。LAC 将查询 RADIUS 服务器，确定将用户转发到哪个 LNS，然后建立适当的隧道。

有关 VPDN 的更多信息，请参考了解 VPDN。

先决条件

要求

本文档没有任何特定的要求。

使用的组件

本文档中的信息基于以下软件和硬件版本：

  • Cisco Secure ACS UNIX 版本 2.x.x 及更高版本，或者 Merit RADIUS

  • Cisco IOS®软件版本11.2及以上版本

本文档中的信息都是基于特定实验室环境中的设备编写的。本文档中使用的所有设备最初均采用原始（默认）配置。如果您使用的是真实网络，请确保您已经了解所有命令的潜在影响。

规则

有关文档规则的详细信息，请参阅 Cisco 技术提示规则。

背景信息

在此示例中，用户为“jsmith@hp.com”，其密码为“test”。当“jsmith@hp.com”拨入 ISP 路由器后，ISP 路由器将“hp.com”用户 ID 发送给 ISP RADIUS 服务器。ISP 服务器会发现“hp.com”用户 ID，并将其隧道 ID（“isp”）、家庭网关 (HGW) 路由器的 IP 地址 (10.31.1.50)、网络接入服务器 (NAS) 密码（“Hello”）以及网关密码（“there”）发送回 ISP 路由器。

ISP 路由器将开启一条隧道，并连接到 10.31.1.50 HGW 路由器，该路由器会在本地对用户“hp-gw”进行身份验证，并将用户 ID“isp”的密码（“Hello”）转发给 HGW RADIUS 服务器。隧道一旦建立，ISP 路由器会将拨入此用户的用户 ID（“jsmith@hp.com”）和密码（“test”）转发给 HGW 路由器，然后在 HGW 服务器上对此用户进行身份验证。在本例中，ISP 路由器名为“Koala”，HGW 路由器名为“sneetches”。

配置

本部分提供有关如何配置本文档所述功能的信息。

网络图

本文档使用此图所示的网络设置。

vpdn_rad.gif

服务器配置

Merit RADIUS 配置


!--- The RADIUS Server must support Cisco av-pairs. !--- This user is on the ISP RADIUS server.

hp.com Password = "cisco"
Service-Type = Outbound-User,
cisco-avpair = "vpdn:tunnel-id=isp",
cisco-avpair = "vpdn:ip-addresses=10.31.1.50",
cisco-avpair = "vpdn:nas-password=hello",
cisco-avpair = "vpdn:gw-password=there"

!--- The next two users are on the HGW Server.

isp Password = "hello",
Service-Type = Framed,
Framed-Protocol = PPP

jsmith@hp.com Password = "test",
Service-Type = Framed,
Framed-Protocol = PPP

Cisco Secure ACS UNIX 2.x.x 配置


!--- This user is on the ISP server.

# ./ViewProfile -p 9900 -u hp.com
User Profile Information
user = hp.com{
profile_id = 86
profile_cycle = 1
RADIUS=Cisco {
check_items= {
2="cisco"
}
reply_attributes= {
9,1="vpdn:tunnel-id=isp"
9,1="vpdn:ip-addresses=10.31.1.50"
9,1="vpdn:NAS-password=hello"
9,1="vpdn:gw-password=there"
}
}

}

!--- The next two users are on the HGW Server.


# ./ViewProfile -p 9900 -u isp
User Profile Information
user = isp{
profile_id = 70
profile_cycle = 1
RADIUS=Cisco {
check_items= {
2="hello"
}
reply_attributes= {
6=2
7=1
}
}

}

# ./ViewProfile -p 9900 -u jsmith@hp.com
User Profile Information
user = jsmith@hp.com{
profile_id = 84
profile_cycle = 1
RADIUS=Cisco {
check_items= {
2="test"
}
reply_attributes= {
6=2
7=1
}
}

}

路由器配置

ISP 路由器配置 
koala#show running config

Building configuration...


Current configuration:
!
version 11.3
no service password-encryption
service udp-small-servers
service tcp-small-servers
!
hostname koala
!
aaa new-model
aaa authentication ppp default if-needed RADIUS
aaa authorization network default RADIUS
aaa accounting network default start-stop RADIUS
enable password ww
!
vpdn enable

!--- VPDN is enabled.

!
interface Ethernet0
ip address 10.31.1.5 255.255.255.0
!
interface Serial0
shutdown
!
interface Serial1
shutdown
!
interface Async1
ip unnumbered Ethernet0
encapsulation ppp
async mode dedicated
no peer default ip address
no cdp enable
ppp authentication chap
!
ip default-gateway 10.31.1.1
no ip classless
ip route 0.0.0.0 0.0.0.0 10.31.1.1
logging trap debugging
logging 171.68.118.101
snmp-server community public RW
snmp-server enable traps config
snmp-server host 171.68.118.105 traps public
RADIUS-server host 171.68.120.194 auth-port 1645 acct-port 1646
RADIUS-server key cisco

!--- Specify RADIUS server information on the NAS.

!
line con 0
password WW
line 1
password WW
autoselect ppp
modem InOut
transport input all
stopbits 1
speed 115200
flowcontrol hardware
line 2 16
autoselect during-login
line aux 0
line vty 0 4
exec-timeout 0 0
password WW
!
end

HGW 路由器配置 
Sneetches#show running config
Building configuration...

Current configuration:
!
version 11.3
no service password-encryption
service udp-small-servers
service tcp-small-servers
!
hostname Sneetches
!
aaa new-model
aaa authentication ppp default RADIUS local
aaa authorization network default RADIUS local
aaa accounting network default start-stop RADIUS
!
username hp-gw password 0 there
username isp password 0 hello
vpdn enable

!--- Enable VPDN.

vpdn incoming isp hp-gw virtual-template 1

!--- Specify the remote host (the network access server) !--- the local name (the home gateway) to use for authenticating !--- and the virtual template to use.

!
interface Ethernet0
ip address 10.31.1.50 255.255.255.0
!
interface Ethernet1
no ip address
shutdown
!


interface Virtual-Template1

!--- Create a virtual template interface.

ip unnumbered Ethernet0

!--- Un-number the Virtual interface to an available LAN interface.

peer default ip address pool async

!--- Use the pool "async" to assign the IP address for incoming connections.

ppp authentication chap

!--- Use CHAP authentication for the incoming connection.

!
interface Serial0
shutdown
!
interface Serial1
shutdown
!
ip local pool async 1.1.1.1 1.1.1.6
ip default-gateway 10.31.1.1
no ip classless
ip route 0.0.0.0 0.0.0.0 10.31.1.1
RADIUS-server host 171.68.118.101 auth-port 1645 acct-port 1646
RADIUS-server timeout 20
RADIUS-server key cisco

!--- Specify RADIUS server information on the NAS.

!
line con 0
exec-timeout 3600 0
line aux 0
line vty 0 4
password WW
!
end

验证

当前没有可用于此配置的验证过程。

故障排除

本部分提供的信息可用于对配置进行故障排除。

故障排除命令

输出解释器工具支持某些 show 命令（只限于注册用户），通过它可以查看 show 命令输出的分析。

注意： 在发出 debug 命令之前，请参阅有关 Debug 命令的重要信息。

  • debug aaa authentication - 显示有关 AAA/增强型终端访问控制器访问控制系统 (TACACS+) 认证的信息。

  • debug aaa authorization - 显示有关 AAA/TACACS+ 授权的信息。

  • debug ppp negotiation — 显示在 PPP 启动期间传输的 PPP 数据包，在此启动期间将协商 PPP 选项。

  • debug radius - 显示与 RADIUS 相关的调试详细信息。

  • debug vpdn error — 显示阻止建立 PPP 隧道的错误，或者导致已建隧道被关闭的错误。

  • debug vpdn events -显示关于正常PPP隧道建立或关闭的一部分事件的消息。

  • debug vpdn l2f-errors — 显示阻止建立第 2 层或阻止其正常运行的第 2 层协议错误。

  • debug vpdn l2f-events — 显示第 2 层的 PPP 隧道正常建立或关闭过程中的事件相关消息。

  • debug vpdn l2f-packets — 显示有关第 2 层转发协议报头和状态的消息。

  • debug vpdn packets — 显示 VPDN 的隧道正常建立或关闭过程中的第 2 层隧道协议错误和事件。

  • debug vtemplate - 显示从虚拟模板克隆虚拟访问接口时到虚拟访问接口因呼叫结束而关闭时虚拟访问接口的克隆信息。

调试输出

ISP 路由器正常调试

koala#show debug
General OS:
AAA Authentication debugging is on
AAA Authorization debugging is on
AAA Accounting debugging is on
VPN:
VPN events debugging is on
VPN errors debugging is on
RADIUS protocol debugging is on
koala#
%LINK-3-UPDOWN: Interface Async1, changed state to up
17:28:19: VPDN: Looking for tunnel -- hp.com --
17:28:19: AAA/AUTHEN: create_user (0x15D28C) user='hp.com' ruser='' port='Async1' 
 rem_addr='' authen_type=NONE service=LOGIN priv=0
17:28:19: AAA/AUTHOR/VPDN (982041598): Port='Async1' list='default' service=NET
17:28:19: AAA/AUTHOR/VPDN: (982041598) user='hp.com'
17:28:19: AAA/AUTHOR/VPDN: (982041598) send AV service=ppp
17:28:19: AAA/AUTHOR/VPDN: (982041598) send AV protocol=vpdn
17:28:19: AAA/AUTHOR/VPDN (982041598) found list "default"
17:28:19: AAA/AUTHOR/VPDN: (982041598) Method=RADIUS
17:28:19: RADIUS: authenticating to get author data
17:28:19: RADIUS: Computed extended port value 0:1:
17:28:19: RADIUS: Initial Transmit id 62 171.68.120.194:1645, Access-Request, len 70
17:28:19: Attribute 4 6 0A1F0105
17:28:19: Attribute 5 6 00000001
17:28:19: Attribute 61 6 00000000
17:28:19: Attribute 1 8 68702E63
17:28:19: Attribute 2 18 8070079C
17:28:19: Attribute 6 6 00000005
17:28:19: RADIUS: Received from id 62 171.68.120.194:1645, Access-Accept, len 143
17:28:19: Attribute 26 26 0000000901147670
17:28:19: Attribute 26 36 00000009011E7670
17:28:19: Attribute 26 31 0000000901197670
17:28:19: Attribute 26 30 0000000901187670

!--- These messages can be decrypted using the OI tool. !--- As of Cisco IOS Software Release 12.2(11)T, !--- the output was changed to be readable.

17:28:19: RADIUS: saved authorization data for user 15D28C at 10EE74
17:28:19: RADIUS: cisco AVPair "vpdn:tunnel-id=isp"
17:28:19: RADIUS: cisco AVPair "vpdn:ip-addresses=10.31.1.50"
17:28:19: RADIUS: cisco AVPair "vpdn:nas-password=hello"
17:28:19: RADIUS: cisco AVPair "vpdn:gw-password=there"
17:28:19: AAA/AUTHOR (982041598): Post authorization status = PASS_ADD
17:28:19: AAA/AUTHOR/VPDN: Processing AV service=ppp
17:28:19: AAA/AUTHOR/VPDN: Processing AV protocol=vpdn
17:28:19: AAA/AUTHOR/VPDN: Processing AV tunnel-id=isp
17:28:19: AAA/AUTHOR/VPDN: Processing AV ip-addresses=10.31.1.50
17:28:19: AAA/AUTHOR/VPDN: Processing AV nas-password=hello
17:28:19: AAA/AUTHOR/VPDN: Processing AV gw-password=there
17:28:19: VPDN: Get tunnel info with NAS isp GW hp.com, IP 10.31.1.50

!--- The RADIUS server returns the attributes the !--- NAS should use for the tunnel. !--- Tunnel-id is "ISP" and the IP address of HGW is 10.31.1.50.

17:28:19: AAA/AUTHEN: free_user (0x15D28C) user='hp.com' ruser='' port='Async1' 
 rem_addr='' authen_type=NONE service=LOGIN priv=0
17:28:19: VPDN: Forward to address 10.31.1.50
17:28:19: As1 VPDN: Forwarding...
17:28:19: AAA/AUTHEN: create_user (0x15D334) user='jsmith@hp.com' ruser=''
 port='Async1' rem_addr='async' authen_type=CHAP service=PPP priv=1
17:28:19: As1 VPDN: Bind interface direction=1
17:28:19: As1 VPDN: jsmith@hp.com is forwarded
17:28:19: AAA/ACCT/NET/START User jsmith@hp.com, Port Async1, List ""
17:28:19: AAA/ACCT/NET: Found list "default"
17:28:19: RADIUS: Computed extended port value 0:1:
17:28:19: RADIUS: Initial Transmit id 63 171.68.120.194:1646, Accounting-Request,
 len 93
17:28:19: Attribute 4 6 0A1F0105
17:28:19: Attribute 5 6 00000001
17:28:19: Attribute 61 6 00000000
17:28:19: Attribute 1 15 6A736D69
17:28:19: Attribute 40 6 00000001
17:28:19: Attribute 45 6 00000002
17:28:19: Attribute 6 6 00000002
17:28:19: Attribute 44 10 30303030
17:28:19: Attribute 7 6 7670646E
17:28:19: Attribute 41 6 00000000
17:28:19: RADIUS: Received from id 63 171.68.120.194:1646, Accounting-response,
 len 20
%LINEPROTO-5-UPDOWN: Line protocol on Interface Async1, changed state to up
koala#

!--- The user finishes and disconnects.

%LINEPROTO-5-UPDOWN: Line protocol on Interface Async1, changed state to down
%LINK-5-CHANGED: Interface Async1, changed state to reset
17:28:48: As1 VPDN: Cleanup
17:28:48: As1 VPDN: Reset
17:28:48: As1 VPDN: Reset
17:28:48: As1 VPDN: Unbind interface
17:28:48: AAA/ACCT/NET/STOP User jsmith@hp.com, Port Async1:
task_id=20 start_time=900759730 timezone=UTC service=vpdn disc-cause=2 
disc-cause-ext=1011 pre-bytes-in=-226131998 pre-bytes-out=-1034130241
pre-paks-in=-63570 pre-paks-out=-64410 bytes_in=1999 bytes_out=364 paks_in=29 
paks_out=12 pre-session-time=5 elapsed_time=29 data-rate=0
xmit-rate=0 
17:28:48: RADIUS: Computed extended port value 0:1:
17:28:48: RADIUS: Initial Transmit id 64 171.68.120.194:1646, Accounting-Request,
 len 129
17:28:48: Attribute 4 6 0A1F0105
17:28:48: Attribute 5 6 00000001
17:28:48: Attribute 61 6 00000000
17:28:48: Attribute 1 15 6A736D69
17:28:48: Attribute 40 6 00000002
17:28:48: Attribute 45 6 00000002
17:28:48: Attribute 6 6 00000002
17:28:48: Attribute 44 10 30303030
17:28:48: Attribute 7 6 7670646E
17:28:48: Attribute 49 6 00000002
17:28:48: Attribute 42 6 000007CF
17:28:48: Attribute 43 6 0000016C
17:28:48: Attribute 47 6 0000001D
17:28:48: Attribute 48 6 0000000C
17:28:48: Attribute 46 6 0000001D
17:28:48: Attribute 41 6 00000000
17:28:48: RADIUS: Received from id 64 171.68.120.194:1646, Accounting-response,
 len 20
%LINK-3-UPDOWN: Interface Async1, changed state to down
17:28:51: AAA/AUTHEN: free_user (0x15D334) user='jsmith@hp.com' ruser=''
 port='Async1' rem_addr='async' authen_type=CHAP service=PPP priv=1
koala#

HGW 路由器正常调试

Sneetches#show debug
General OS:
AAA Authentication debugging is on
AAA Authorization debugging is on
AAA Accounting debugging is on
VPN:
VPN events debugging is on
VPN errors debugging is on
RADIUS protocol debugging is on
Sneetches#
17:28:21: AAA/AUTHEN: create_user (0x14A914) user='hp-gw' ruser='' port='' 
rem_addr='' authen_type=CHAP service=PPP priv=1
17:28:21: AAA/AUTHEN/START (496523999): port='' list='default' 
action=SENDAUTH service=PPP
17:28:21: AAA/AUTHEN/START (496523999): found list default
17:28:21: AAA/AUTHEN/START (496523999): Method=RADIUS
17:28:21: RADIUS: SENDPASS not supported (action=4)
17:28:21: AAA/AUTHEN (496523999): status = ERROR
17:28:21: AAA/AUTHEN/START (496523999): Method=LOCAL
17:28:21: AAA/AUTHEN (496523999): status = PASS
17:28:21: AAA/AUTHEN: free_user (0x14A914) user='hp-gw' ruser='' port='' 
rem_addr='' authen_type=CHAP service=PPP priv=1
17:28:21: AAA/AUTHEN: create_user (0x14A914) user='isp' ruser='' port='' 
rem_addr='' authen_type=CHAP service=PPP priv=1
17:28:21: AAA/AUTHEN/START (3095573082): port='' list='default' 
action=SENDAUTH service=PPP
17:28:21: AAA/AUTHEN/START (3095573082): found list default
17:28:21: AAA/AUTHEN/START (3095573082): Method=RADIUS
17:28:21: RADIUS: SENDPASS not supported (action=4)
17:28:21: AAA/AUTHEN (3095573082): status = ERROR
17:28:21: AAA/AUTHEN/START (3095573082): Method=LOCAL
17:28:21: AAA/AUTHEN (3095573082): status = PASS
17:28:21: AAA/AUTHEN: free_user (0x14A914) user='isp' ruser='' port='' 
rem_addr='' authen_type=CHAP service=PPP priv=1
17:28:21: AAA/AUTHEN: create_user (0x14ADB4) user='isp' ruser='' port='' 
rem_addr='' authen_type=CHAP service=PPP priv=1
17:28:21: AAA/AUTHEN/START (3506257139): port='' list='default'
action=LOGIN service=PPP
17:28:21: AAA/AUTHEN/START (3506257139): found list default
17:28:21: AAA/AUTHEN/START (3506257139): Method=RADIUS
17:28:21: RADIUS: Initial Transmit id 53 171.68.118.101:1645, Access-Request, len 68
17:28:21: Attribute 4 6 0A1F0132
17:28:21: Attribute 61 6 00000000
17:28:21: Attribute 1 5 69737003
17:28:21: Attribute 3 19 10C82B7A
17:28:21: Attribute 6 6 00000002
17:28:21: Attribute 7 6 00000001
17:28:21: RADIUS: Received from id 53 171.68.118.101:1645, Access-Accept, len 32
17:28:21: Attribute 6 6 00000002
17:28:21: Attribute 7 6 00000001
17:28:21: AAA/AUTHEN (3506257139): status = PASS
17:28:21: VPDN: Chap authentication succeeded for isp
17:28:21: AAA/AUTHEN: free_user (0x14ADB4) user='isp' ruser='' port='' rem_addr='' 
authen_type=CHAP service=PPP priv=1
17:28:21: Vi1 VPDN: Virtual interface created for jsmith@hp.com
17:28:21: Vi1 VPDN: Set to Async interface
17:28:21: Vi1 VPDN: Clone from Vtemplate 1 filterPPP=0 blocking
%LINK-3-UPDOWN: Interface Virtual-Access1, changed state to up
17:28:23: Vi1 VPDN: Bind interface direction=2
17:28:23: Vi1 VPDN: PPP LCP accepted sent & rcv CONFACK
17:28:23: AAA/AUTHEN: create_user (0x143368) user='jsmith@hp.com' ruser=''
 port='Virtual-Access1' rem_addr='async' authen_type=CHAP service=PPP priv=1
17:28:23: AAA/AUTHEN/START (637397616): port='Virtual-Access1' list=''
 action=LOGIN service=PPP
17:28:23: AAA/AUTHEN/START (637397616): using "default" list
17:28:23: AAA/AUTHEN/START (637397616): Method=RADIUS
17:28:23: RADIUS: Computed extended port value 0:60100:
17:28:23: RADIUS: Initial Transmit id 54 171.68.118.101:1645, Access-Request, len 78
17:28:23: Attribute 4 6 0A1F0132
17:28:23: Attribute 5 6 0000EAC4
17:28:23: Attribute 1 15 6A736D69
17:28:23: Attribute 3 19 186C2AC9
17:28:23: Attribute 6 6 00000002
17:28:23: Attribute 7 6 00000001
17:28:23: RADIUS: Received from id 54 171.68.118.101:1645, Access-Accept, len 32
17:28:23: Attribute 6 6 00000002
17:28:23: Attribute 7 6 00000001
17:28:23: AAA/AUTHEN (637397616): status = PASS
17:28:23: AAA/AUTHOR/LCP Vi1: Authorize LCP
17:28:23: AAA/AUTHOR/LCP Vi1 (1528831370): Port='Virtual-Access1' list=''
 service=NET
17:28:23: AAA/AUTHOR/LCP: Vi1 (1528831370) user='jsmith@hp.com'
17:28:23: AAA/AUTHOR/LCP: Vi1 (1528831370) send AV service=ppp
17:28:23: AAA/AUTHOR/LCP: Vi1 (1528831370) send AV protocol=lcp
17:28:23: AAA/AUTHOR/LCP (1528831370) found list "default"
17:28:23: AAA/AUTHOR/LCP: Vi1 (1528831370) Method=RADIUS
17:28:23: AAA/AUTHOR (1528831370): Post authorization status = PASS_REPL
17:28:23: AAA/AUTHOR/LCP Vi1: Processing AV service=ppp
17:28:23: AAA/ACCT/NET/START User jsmith@hp.com, Port Virtual-Access1, List ""
17:28:23: AAA/ACCT/NET: Found list "default"
17:28:23: AAA/AUTHOR/FSM Vi1: (0): Can we start IPCP?
17:28:23: AAA/AUTHOR/FSM Vi1 (4249637449): Port='Virtual-Access1' list=''
 service=NET
17:28:23: AAA/AUTHOR/FSM: Vi1 (4249637449) user='jsmith@hp.com'
17:28:23: AAA/AUTHOR/FSM: Vi1 (4249637449) send AV service=ppp
17:28:23: AAA/AUTHOR/FSM: Vi1 (4249637449) send AV protocol=ip
17:28:23: AAA/AUTHOR/FSM (4249637449) found list "default"
17:28:23: AAA/AUTHOR/FSM: Vi1 (4249637449) Method=RADIUS
17:28:23: AAA/AUTHOR (4249637449): Post authorization status = PASS_REPL
17:28:23: AAA/AUTHOR/FSM Vi1: We can start IPCP
17:28:23: RADIUS: Computed extended port value 0:60100:
17:28:23: RADIUS: Initial Transmit id 55 171.68.118.101:1646, Accounting-Request,
 len 87
17:28:23: Attribute 4 6 0A1F0132
17:28:23: Attribute 5 6 0000EAC4
17:28:23: Attribute 1 15 6A736D69
17:28:23: Attribute 40 6 00000001
17:28:23: Attribute 45 6 00000001
17:28:23: Attribute 6 6 00000002
17:28:23: Attribute 44 10 30303030
17:28:23: Attribute 7 6 00000001
17:28:23: Attribute 41 6 00000000
17:28:23: RADIUS: Received from id 55 171.68.118.101:1646, Accounting-response,
 len 20
17:28:23: AAA/AUTHOR/IPCP Vi1: Start. Her address 0.0.0.0, we want 0.0.0.0
17:28:23: AAA/AUTHOR/IPCP Vi1: Processing AV service=ppp
17:28:23: AAA/AUTHOR/IPCP Vi1: Authorization succeeded
17:28:23: AAA/AUTHOR/IPCP Vi1: Done. Her address 0.0.0.0, we want 0.0.0.0
17:28:23: AAA/AUTHOR/IPCP Vi1: Start. Her address 0.0.0.0, we want 1.1.1.1
17:28:23: AAA/AUTHOR/IPCP Vi1: Processing AV service=ppp
17:28:23: AAA/AUTHOR/IPCP Vi1: Authorization succeeded
17:28:23: AAA/AUTHOR/IPCP Vi1: Done. Her address 0.0.0.0, we want 1.1.1.1
17:28:24: AAA/AUTHOR/IPCP Vi1: Start. Her address 1.1.1.1, we want 1.1.1.1
17:28:24: AAA/AUTHOR/IPCP Vi1 (923857566): Port='Virtual-Access1' list=''
 service=NET
17:28:24: AAA/AUTHOR/IPCP: Vi1 (923857566) user='jsmith@hp.com'
17:28:24: AAA/AUTHOR/IPCP: Vi1 (923857566) send AV service=ppp
17:28:24: AAA/AUTHOR/IPCP: Vi1 (923857566) send AV protocol=ip
17:28:24: AAA/AUTHOR/IPCP: Vi1 (923857566) send AV addr*1.1.1.1
17:28:24: AAA/AUTHOR/IPCP (923857566) found list "default"
17:28:24: AAA/AUTHOR/IPCP: Vi1 (923857566) Method=RADIUS
17:28:24: AAA/AUTHOR (923857566): Post authorization status = PASS_REPL
17:28:24: AAA/AUTHOR/IPCP Vi1: Reject 1.1.1.1, using 1.1.1.1
17:28:24: AAA/AUTHOR/IPCP Vi1: Processing AV service=ppp
17:28:24: AAA/AUTHOR/IPCP Vi1: Processing AV addr*1.1.1.1
17:28:24: AAA/AUTHOR/IPCP Vi1: Authorization succeeded
17:28:24: AAA/AUTHOR/IPCP Vi1: Done. Her address 1.1.1.1, we want 1.1.1.1
%LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1, changed state to up
Sneetches#

!--- The user finishes and disconnects.

Sneetches#
17:28:50: Vi1 VPDN: Reset
17:28:50: Vi1 VPDN: Reset
%LINK-3-UPDOWN: Interface Virtual-Access1, changed state to down
17:28:50: Vi1 VPDN: Cleanup
17:28:50: Vi1 VPDN: Reset
17:28:50: Vi1 VPDN: Reset
17:28:50: Vi1 VPDN: Unbind interface
17:28:50: Vi1 VPDN: Reset
17:28:50: Vi1 VPDN: Reset
17:28:50: AAA/ACCT/NET/STOP User jsmith@hp.com, Port Virtual-Access1:
task_id=14 start_time=900759731 timezone=UTC service=ppp protocol=ip addr=1.1.1.1 
disc-cause=2 disc-cause-ext=1011 pre-bytes-in=0 pre-bytes-out=42
pre-paks-in=0 pre-paks-out=2 bytes_in=882 bytes_out=356 paks_in=17 paks_out=11 
pre-session-time=0 elapsed_time=27 data-rate=0 xmit-rate=0 
17:28:50: RADIUS: Computed extended port value 0:60100:
17:28:50: RADIUS: Initial Transmit id 56 171.68.118.101:1646, Accounting-Request,
 len 129
17:28:50: Attribute 4 6 0A1F0132
17:28:50: Attribute 5 6 0000EAC4
17:28:50: Attribute 1 15 6A736D69
17:28:50: Attribute 40 6 00000002
17:28:50: Attribute 45 6 00000001
17:28:50: Attribute 6 6 00000002
17:28:50: Attribute 44 10 30303030
17:28:50: Attribute 7 6 00000001
17:28:50: Attribute 8 6 01010101
17:28:50: Attribute 49 6 00000002
17:28:50: Attribute 42 6 00000372
17:28:50: Attribute 43 6 00000164
17:28:50: Attribute 47 6 00000011
17:28:50: Attribute 48 6 0000000B
17:28:50: Attribute 46 6 0000001B
17:28:50: Attribute 41 6 00000000
17:28:50: RADIUS: Received from id 56 171.68.118.101:1646, Accounting-response,
 len 20
17:28:50: AAA/AUTHEN: free_user (0x143368) user='jsmith@hp.com' ruser=''
 port='Virtual-Access1' rem_addr='async' authen_type=CHAP service=PPP
priv=1
%LINEPROTO-5-UPDOWN: Line protocol on Interface Virtual-Access1,
  changed state to down
Sneetches#

对 ISP 路由器上的失败连接的调试

koala#show debug
General OS:
AAA Authentication debugging is on
AAA Authorization debugging is on
AAA Accounting debugging is on
VPN:
VPN events debugging is on
VPN errors debugging is on
RADIUS protocol debugging is on
koala#

!--- Problem 1: !--- User hp.com is not in the ISP server: !--- There is no output on HGW router because the call has not gone that far.

RADIUS: Received from id 83 171.68.120.194:1645, Access-Reject, len 20 18:43:18: 
AAA/AUTHEN (4063976505): status = FAIL

!--- Problem 2: !--- User hp.com is not in the ISP server. !--- There is no output on HGW router because !--- the call has not gone that far.

RADIUS: Received from id 83 171.68.120.194:1645, Access-Reject, len 20 18:43:18: 
AAA/AUTHEN (4063976505): status = FAIL

!--- Problem 3: !--- Problem in tunnel definition on HGW router; in HGW configuration !--- vpdn incoming hp-gw isp virtual-template 1 is inserted !--- instead of vpdn incoming isp hp-gw virtual-template 1.

%VPDN-5-UNREACH: L2F HGW 10.31.1.50 is unreachable
VPDN: Timeout opening tunnel to 10.31.1.50
VPDN: Free busy address 10.31.1.50

!--- Problem 4: !--- User "isp" or "hp-gw" is removed from HGW router.

%VPDN-6-AUTHENFAIL: L2F NAS koala, authentication failure for tunnel hp-gw; 
 Invalid key

!--- Problem 5: !--- User "isp" is not in the HGW server.

%VPDN-6-AUTHENFAIL: L2F HGW , AAA authentication failure for tunnel hp-gw

!--- Problem 6: !--- User jsmith@hp.com is not in the HGW server.

%VPDN-6-AUTHENFAIL: L2F HGW hp-gw, AAA authentication failure for As1 
user jsmith@hp.com; Authentication failure

对 HGW 路由器上的失败连接的调试

Sneetches#show debug
General OS:
AAA Authentication debugging is on
AAA Authorization debugging is on
AAA Accounting debugging is on
VPN:
VPN events debugging is on
VPN errors debugging is on
RADIUS protocol debugging is on
Sneetches#

!--- Problem 1: !--- Problem in tunnel definition on the HGW router; in HGW configuration !--- vpdn incoming hp-gw isp virtual-template 1 is inserted !--- instead of vpdn incoming isp hp-gw virtual-template 1 !--- debug vpdn l2f-errors display.

19:25:27: L2F: Couldn't find tunnel named isp
19:25:30: L2F: Couldn't find tunnel named isp

!--- Problem 2: !--- User "isp" is removed from the HGW router.

AAA/AUTHEN (3372073334): SENDAUTH no password for isp
AAA/AUTHEN (3372073334): status = ERROR
AAA/AUTHEN/START (3372073334): no methods left to try
AAA/AUTHEN (3372073334): status = ERROR
AAA/AUTHEN/START (3372073334): failed to authenticate

!--- Problem 3: !--- User "hp-gw" is removed from the HGW router.

AAA/AUTHEN (3999868118): SENDAUTH no password for hp-gw
AAA/AUTHEN (3999868118): status = ERROR
AAA/AUTHEN/START (3999868118): no methods left to try
AAA/AUTHEN (3999868118): status = ERROR
AAA/AUTHEN/START (3999868118): failed to authenticate

!--- Problem 4: !--- User "isp" is removed from HGW RADIUS server.

RADIUS: Received from id 107 171.68.118.101:1645, Access-Reject, len 46
Attribute 18 26 41757468
AAA/AUTHEN (2759462034): status = FAIL
VPDN: Chap authentication failed for isp
%VPDN-6-AUTHENFAIL: L2F HGW , AAA authentication failure for tunnel isp

!--- Problem 5: !--- User "jsmith@hp.com" is not in the HGW server.

RADIUS: Received from id 109 171.68.118.101:1645, Access-Reject, len 46
Attribute 18 26 41757468
AAA/AUTHEN (2765235576): status = FAIL
%VPDN-6-AUTHENFAIL: L2F HGW hp-gw, AAA authentication failure for Vi1
 user jsmith@hp.com; Authentication failure

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