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lukik007
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Posts: 21
Joined: Mon May 27, 2019 10:18 am

L2TP + IPSEC issue after upgrading from v6.8 to v7.7

Tue Jan 24, 2023 12:30 pm

IT seems that after the upgrade L2TP Windows and Android Client cannot connect to the L2TP server.

I have tried many configurations but still was unable to connect. Anyone can provide with steps to check? Also checked the forum but was still unable to solve it.

Find below configuration:
/interface l2tp-server
add name=<l2tp-xyz> user=l2tp-xyz

/interface list
add name=vpn-vlan-l2tp


/ppp profile
add change-tcp-mss=yes dns-server=192.168.0.20,192.168.0.22 local-address=\
    192.168.150.1 name=vpn-l2tp-user-profile only-one=yes remote-address=dhcp_pool-vpn-150 use-encryption=yes

/interface list member
add interface=<l2tp-xyz> list=vpn-vlan-l2tp
	

/ip firewall filter
add action=accept chain=input comment="allow l2tp connection" dst-port=\
    1701,500,4500 protocol=udp

/ppp secret
	add disabled=yes name=l2tp-xyz profile=vpn-l2tp-user-profile \
    service=l2tp password=XXXXXXXX
	
/interface l2tp-server server
set authentication=mschap2 default-profile=vpn-l2tp-user-profile \
    enabled=yes one-session-per-host=yes use-ipsec=required ipsec-secret=XXXXXXXXXX

Find below IPSEC/L2TP Logs:
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lukik007
just joined
Topic Author
Posts: 21
Joined: Mon May 27, 2019 10:18 am

Re: L2TP + IPSEC issue after upgrading from v6.8 to v7.7

Wed Jan 25, 2023 2:48 pm

any help ?:D

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