148
Tr
ou
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sh
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tin
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8
VPN communication cannot be established
(Continued from the previous page)
Q4
Symptom
▶
Cause
▶
Remedy
Communication
with the terminal
located within the
VPN destination
network cannot be
established.
IP address has not been acquired.
Check on the terminal whether the IP
address used in the VPN destination is
acquired.
For the confirmation procedure of IP
address, refer to the manual of the terminal.
Incorrect routing information has
been configured.
Configure the correct destination LAN
network address for the routing information.
Proxy ARP setting is absent.
Run the proxy ARP in the VPN destination
LAN (ip lan1 proxyarp on).
In the top page of the
“Basic configuration
page”, the message
“Communicating”
is not displayed for
the PPTP tunnel
connection.
A private IP address is assigned
by the provider.
You cannot use the PPTP-related functions
in the environment where no global IP is
assigned to the product.
Internet connection cannot be
established.
• Check whether the setting for Internet
connection has been configured.
• Troubleshoot according to the explanation
of “Q3 Internet connection cannot be
established” (page 144).
Communication cannot be
established with the destination
of PPTP connection.
Execute the ping command to the destination
IP address of PPTP, and check whether a
response is returned.
If no response is returned, check whether
communication is enabled in the destination
device.
