Title: PPTP/L2TP VPN [Print this page] Author: Levy Time: 2018-6-21 14:21 Title: PPTP/L2TP VPN PPTP/L2TP VPN Author: admin Time: 2018-6-21 14:22
The following steps can be used to understand why a PPTP/L2TP VPN user is experiencing disconnections from NGFW firewall, and to enable the appropriate debug depending on the type of PPTP/L2TP VPN User. Collect below information and send to Ruijie support.
1. A PPTP/l2TP VPN user connects to the NGFW firewall with local authentication.
RG-WALL#diag deb enable
RG-WALL#diag deb reset
RG-WALL#diag deb console timestamp en
RG-WALL#diag deb app ppp -1
2. If the PPTP VPN User uses authentication with LDAP then enable the following debug with step.
diag test auth ldap (ldapservername in GUI) (username to test) (pwd user)
diag test auth ldap LDAP_Server user password
3. If the PPTP VPN User uses Radius then also collect the following debug.
diag test authserver radius <server_name> <chap | pap | mschap | mschap2> <username> <password>
4. Collect a sniffer trace on the port of the PPTP/L2TP connection.
diag sniffer packet <port of pptp/l2tp connection> 'local_ip_addr of pc' 6
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