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Domain and radius servers for L2TP

Created: Jul 22, 2020 09:23:30Latest reply: Jul 22, 2020 19:03:24 549 6 0 0 0
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hello


i have two L2TP tunnels and the authentication is using authentication domain 

also i have 2 radius servers

how can i add the 2 radius servers to the same authentication domain so that i get only one domain contain 2 radius server  then force the authentication for each L2TP tunnel to be done by one of these radius servers .


thanks

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chenhui
Admin Created Jul 22, 2020 10:53:29

Hi,
You just need configure the two RADIUS server in the same RADIUS server template, then apply the template in the domain.
Kindly refer to the example below:
###
[sysname] radius-server template group1
[sysname-radius-group1] radius-server authentication 10.163.1.1 1812 weight 50
[sysname-radius-group1] radius-server authentication 10.163.2.1 1812 weight 50

[sysname] aaa
[sysname-aaa] authentication-scheme eap
[sysname-aaa-authen-scheme1] authentication-mode radius

[sysname] domain example.org
[sysname-aaa-domain-example.org] authentication-scheme eap
[sysname-aaa-domain-example.org] radius-server group1
###
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  • x
  • convention:

user_3896063
user_3896063 Created Jul 22, 2020 11:13:51 (0) (0)
thanks for your reply , i will try this , but how can i select that the first radius server authenticate the first L2TP and the second Radius server authenticate the second?  
chenhui
chenhui Reply user_3896063  Created Jul 22, 2020 11:24:41 (0) (0)
As far as I know, it's not supported to do that.  
user_3896063
user_3896063 Reply chenhui  Created Jul 22, 2020 11:39:05 (0) (0)
thank you , i guess we can bind this auth domain to both L2TP and when users cannot find un and pw in the first one they can use the second one to authenticate right?  
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DDSN
DDSN Admin Created Jul 22, 2020 09:25:29

Hi user_3896063,
Please wait patiently. Our engineers are looking for answers to your questions.
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  • x
  • convention:

Hi,
You just need configure the two RADIUS server in the same RADIUS server template, then apply the template in the domain.
Kindly refer to the example below:
###
[sysname] radius-server template group1
[sysname-radius-group1] radius-server authentication 10.163.1.1 1812 weight 50
[sysname-radius-group1] radius-server authentication 10.163.2.1 1812 weight 50

[sysname] aaa
[sysname-aaa] authentication-scheme eap
[sysname-aaa-authen-scheme1] authentication-mode radius

[sysname] domain example.org
[sysname-aaa-domain-example.org] authentication-scheme eap
[sysname-aaa-domain-example.org] radius-server group1
###
View more
  • x
  • convention:

user_3896063
user_3896063 Created Jul 22, 2020 11:13:51 (0) (0)
thanks for your reply , i will try this , but how can i select that the first radius server authenticate the first L2TP and the second Radius server authenticate the second?  
chenhui
chenhui Reply user_3896063  Created Jul 22, 2020 11:24:41 (0) (0)
As far as I know, it's not supported to do that.  
user_3896063
user_3896063 Reply chenhui  Created Jul 22, 2020 11:39:05 (0) (0)
thank you , i guess we can bind this auth domain to both L2TP and when users cannot find un and pw in the first one they can use the second one to authenticate right?  
You can add multiple radius servers to same domain however you cannot specify one radius from domain to authenticate the tunnel as when configuring the tunnel you choose the authentication domain not the authentication server
However I think creating 2 domain and add each server to different domain will be more efficient for your scnario
View more
  • x
  • convention:

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