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华三模拟器 telnet登录难道不走radius认证码?

2026-03-27提问
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问题描述:

华三模拟器   telnet登录难道不走radius认证码?  我用test-aaa 测试成功。 telnet登录radius后端没有收到报文。 这是模拟器的bug吗?

 

line aux 0

 user-role network-operator

#

line con 0

 authentication-mode scheme

 user-role network-admin

#

line vty 0 63

 authentication-mode scheme

 user-role network-operator

#

 ssh server enable

#

radius scheme rad

 primary authentication 192.168.31.201

 key authentication cipher $c$3$v4uHG3cMbRaOqTGpFbXSagSnyTitvHP3nqVq

 user-name-format without-domain

#

radius scheme system

 user-name-format without-domain

#              

domain bbb

 authentication login radius-scheme rad local

 authorization login radius-scheme rad local

 accounting login none

#

domain system

#

 domain default enable bbb

#

role name level-0

最佳答案

粉丝:11人 关注:1人

test-aaa测试成功说明RADIUS服务器可达、认证方案和密钥都正确。但Telnet登录时RADIUS后端未收到报文,通常不是模拟器bug,而是认证流程触发点、网络可达性或AAA配置细节的问题。


 一、检查AAA认证的触发流程

1. 确认默认域是否正确应用


display domain
确保 default domain enable 设置为 bbb。虽然你配置了,但模拟器里有时需要重启telnet服务才能生效。执行:
undo telnet server enable telnet server enable

2. 确认line vty下认证模式是否生效

display current-configuration | include line vty

确认 authentication-mode scheme 存在。

3. 测试SSH登录是否触发RADIUS

如果SSH登录能触发,说明telnet本身有问题;如果都不触发,说明AAA配置未被正确调用。

ssh 192.168.xxx.xxx


 二、检查RADIUS报文发送条件

1. 确认模拟器与RADIUS服务器之间的网络连通性

在模拟器上 ping RADIUS服务器IP(192.168.31.201):

ping 192.168.31.201

如果不通,请检查模拟器与主机之间的网络设置(HCL模拟器的桥接或host-only模式是否允许与物理机通信)。

2. 检查模拟器是否有到达RADIUS服务器的路由

display ip routing-table

确保默认路由或直连路由能到达192.168.31.201。

3. 查看RADIUS报文是否被发送

打开RADIUS调试信息,然后在尝试telnet登录时观察输出:

debugging radius all terminal monitor terminal debugging

再次尝试telnet登录,看是否有类似“Sending RADIUS authentication request”的输出。如果没有任何调试信息,说明认证请求根本没有生成。


三、排查模拟器可能的功能限制

HCL(华三模拟器)在某些版本中,RADIUS认证在telnet登录时确实可能存在缺陷,但多数情况是配置问题。

  1. 尝试使用HCL模拟器的“真实设备”模式:检查你使用的模拟器版本,部分老版本对RADIUS支持不完整。建议升级到最新版(如HCL 5.3.0以上)。

  2. 配置本地认证作为备选:虽然你想用RADIUS,但可以临时改为本地认证,确认telnet的认证流程本身正常:

    line vty 0 63 authentication-mode password set authentication password simple 123如果本地认证能工作,则说明line vty配置没问题,问题出在RADIUS调用环节


 四、检查RADIUS方案细节

1. 确认认证端口正确

默认RADIUS认证端口是1812(UDP),你配置中只指定了primary authentication,没有指定端口,应使用默认。如果RADIUS服务器使用了非标准端口,需要指定:

radius scheme rad primary authentication 192.168.31.201 18122. 检查用户名的格式

你配置了 user-name-format without-domain,这意味着用户输入时不应带域名。如果你在telnet登录时输入 username@bbb,设备会发送 username 到RADIUS(去掉了域名)。确保与RADIUS服务器上的用户名匹配。

3. 尝试使用domain bbb的完全认证

在telnet登录时,可以使用 username@bbb 明确指定域,看是否触发:

login: test@bbb password: xxx
 五、高级调试:抓包验证

在模拟器或RADIUS服务器所在主机上抓包,确认是否有UDP 1812的报文发出。

  • 在RADIUS服务器上使用wireshark捕获UDP 1812端口。

  • 在模拟器上尝试telnet登录,看是否有报文到达。

如果没有报文,说明模拟器根本没有发出RADIUS请求;如果有报文,说明是服务器侧未响应(但你的test-aaa成功,说明服务器正常)。

2 个回答
粉丝:2人 关注:9人

Telnet登录可以走RADIUS认证,但你的配置和测试方法有问题。

关键点:
1. `line vty`下`user-role`命令是授权,不是认证。认证方式由`authentication-mode scheme`决定,但需要配合正确的AAA方案。
2. `test-aaa`命令测试的只是AAA服务器连通性,不代表登录流程会调用RADIUS。

排查步骤:
1. 检查AAA方案配置:
display current-configuration | include aaa
确认是否创建了`domain`并绑定了RADIUS方案,以及`authentication default`等命令是否指向了`scheme`。

2. 检查domain配置:
display domain [domain-name]
确认默认domain或用户指定的domain是否正确引用了RADIUS方案。

3. 检查RADIUS方案配置:
display radius scheme [scheme-name]
确认服务器IP、共享密钥、计费可选等参数正确。

4. 检查登录用户是否指定了domain:
Telnet时用户名格式应为`username@domainname`,否则使用默认domain。

模拟器可能性:
如果以上配置全部正确且物理设备正常,模拟器可能存在RADIUS交互兼容性问题,但首先应排除配置问题。

需要补充信息:
请提供完整的AAA相关配置片段,包括`aaa`、`domain`、`radius scheme`部分。

<H3C>display current-configuration # version 7.1.070, Alpha 7170 # sysname H3C # telnet server enable # irf mac-address persistent timer irf auto-update enable undo irf link-delay irf member 1 priority 1 # lldp global enable # system-working-mode standard xbar load-single password-recovery enable lpu-type f-series # vlan 1 # stp global enable # interface NULL0 # interface FortyGigE1/0/53 port link-mode bridge # interface FortyGigE1/0/54 port link-mode bridge # interface GigabitEthernet1/0/1 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/2 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/3 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/4 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/5 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/6 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/7 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/8 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/9 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/10 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/11 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/12 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/13 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/14 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/15 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/16 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/17 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/18 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/19 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/20 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/21 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/22 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/23 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/24 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/25 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/26 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/27 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/28 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/29 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/30 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/31 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/32 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/33 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/34 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/35 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/36 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/37 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/38 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/39 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/40 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/41 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/42 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/43 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/44 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/45 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/46 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/47 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/48 port link-mode bridge combo enable fiber # interface M-GigabitEthernet0/0/0 ip address 192.168.31.210 255.255.255.0 # interface Ten-GigabitEthernet1/0/49 port link-mode bridge combo enable fiber # interface Ten-GigabitEthernet1/0/50 port link-mode bridge combo enable fiber # interface Ten-GigabitEthernet1/0/51 port link-mode bridge combo enable fiber # interface Ten-GigabitEthernet1/0/52 port link-mode bridge combo enable fiber # scheduler logfile size 16 # line class aux user-role network-operator # line class console user-role network-admin # line class tty user-role network-operator # line class vty user-role network-operator # line aux 0 user-role network-operator # line con 0 authentication-mode scheme user-role network-admin # line vty 0 63 authentication-mode scheme user-role network-operator # ssh server enable # radius scheme rad primary authentication 192.168.31.201 key authentication cipher $c$3$v4uHG3cMbRaOqTGpFbXSagSnyTitvHP3nqVq user-name-format without-domain # radius scheme system user-name-format without-domain # domain bbb authentication login radius-scheme rad local authorization login radius-scheme rad local accounting login none # domain system # domain default enable bbb # 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$6$FtyOI4po1OKqHK3f$nedFhzGxPHp823Le19K8QuDqsa/6h+anVScGGC/DB7TMn2CN2paZbuIxD3x2TLDSWUBQb9z1xy3Kn5ssfAIvbg== service-type telnet ssh terminal authorization-attribute user-role network-admin authorization-attribute user-role network-operator # local-user lixincong class manage authorization-attribute user-role network-operator # return <H3C>

zhiliao_tMLVCT 发表时间:2026-03-27 更多>>

<H3C>display current-configuration # version 7.1.070, Alpha 7170 # sysname H3C # telnet server enable # irf mac-address persistent timer irf auto-update enable undo irf link-delay irf member 1 priority 1 # lldp global enable # system-working-mode standard xbar load-single password-recovery enable lpu-type f-series # vlan 1 # stp global enable # interface NULL0 # interface FortyGigE1/0/53 port link-mode bridge # interface FortyGigE1/0/54 port link-mode bridge # interface GigabitEthernet1/0/1 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/2 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/3 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/4 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/5 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/6 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/7 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/8 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/9 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/10 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/11 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/12 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/13 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/14 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/15 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/16 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/17 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/18 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/19 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/20 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/21 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/22 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/23 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/24 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/25 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/26 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/27 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/28 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/29 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/30 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/31 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/32 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/33 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/34 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/35 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/36 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/37 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/38 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/39 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/40 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/41 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/42 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/43 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/44 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/45 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/46 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/47 port link-mode bridge combo enable fiber # interface GigabitEthernet1/0/48 port link-mode bridge combo enable fiber # interface M-GigabitEthernet0/0/0 ip address 192.168.31.210 255.255.255.0 # interface Ten-GigabitEthernet1/0/49 port link-mode bridge combo enable fiber # interface Ten-GigabitEthernet1/0/50 port link-mode bridge combo enable fiber # interface Ten-GigabitEthernet1/0/51 port link-mode bridge combo enable fiber # interface Ten-GigabitEthernet1/0/52 port link-mode bridge combo enable fiber # scheduler logfile size 16 # line class aux user-role network-operator # line class console user-role network-admin # line class tty user-role network-operator # line class vty user-role network-operator # line aux 0 user-role network-operator # line con 0 authentication-mode scheme user-role network-admin # line vty 0 63 authentication-mode scheme user-role network-operator # ssh server enable # radius scheme rad primary authentication 192.168.31.201 key authentication cipher $c$3$v4uHG3cMbRaOqTGpFbXSagSnyTitvHP3nqVq user-name-format without-domain # radius scheme system user-name-format without-domain # domain bbb authentication login radius-scheme rad local authorization login radius-scheme rad local accounting login none # domain system # domain default enable bbb # 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$6$FtyOI4po1OKqHK3f$nedFhzGxPHp823Le19K8QuDqsa/6h+anVScGGC/DB7TMn2CN2paZbuIxD3x2TLDSWUBQb9z1xy3Kn5ssfAIvbg== service-type telnet ssh terminal authorization-attribute user-role network-admin authorization-attribute user-role network-operator # local-user lixincong class manage authorization-attribute user-role network-operator # return <H3C>

zhiliao_tMLVCT 发表时间:2026-03-27
粉丝:98人 关注:11人

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