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PostPosted: Sat Apr 22, 2017 10:24 am 

Joined: Tue Mar 14, 2017 9:38 am
Posts: 18
hi, we have setup a SE Server on Centos 7 with 5 Public IPs and 5 users on 1 Virtual Hub. It will automatically assign any available public IP to user who successfully login.

all is working fine if we connect using L2TP, but when we use OpenVPN as client, it will not release back the IP so after few connect/disconnect, the IP will runs out and we get error 'cannot assign IP' and client could not connect to VPN.

anyone encounter this issue and know howto fix it?

Thank You,


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PostPosted: Thu May 18, 2017 5:37 am 

Joined: Mon Feb 24, 2014 11:03 am
Posts: 2175
Please shorten lease time of DHCP.


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PostPosted: Thu May 18, 2017 8:08 am 

Joined: Tue Mar 14, 2017 9:38 am
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thisjun wrote:
> Please shorten lease time of DHCP.

hi, we hv try to do that - even to a couple minute but still encounter the same issue.

thanks,


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PostPosted: Wed May 31, 2017 4:48 am 

Joined: Mon Feb 24, 2014 11:03 am
Posts: 2175
IP address isn't released when disconnection.
However, IP address will be released by end of lease time.
or
Cause of the problem is that L2TP module requires two adjacent IP addresses.


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PostPosted: Wed May 31, 2017 6:08 am 

Joined: Tue Mar 14, 2017 9:38 am
Posts: 18
thisjun wrote:
> IP address isn't released when disconnection.
> However, IP address will be released by end of lease time.
> or
> Cause of the problem is that L2TP module requires two adjacent IP
> addresses.

hi, the issue has been fix by the installer by using another method - dont really understand what he does. he just say using another way to accomplish the IP distribution

could you tell more about L2TP using 2 adjacent IP? we hv not heard anything like that before.

thank you,


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PostPosted: Thu Jun 15, 2017 4:43 am 

Joined: Mon Feb 24, 2014 11:03 am
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PPP to Ethernet bridge of SoftEther VPN consist of a virtual router and client itself.
The virtual router makes /31 subnet.
So the L2TP module require 2 adjacent IP addresses.


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