Watchguard Firebox X5-W Guía de usuario Pagina 159

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User Guide 143
Configuring Virtual Private Networks
4 Click Submit.
Viewing VPN Statistics
You can monitor Firebox® X Edge e-Series VPN traffic and troubleshoot the VPN configuration with the
VPN Statistics page.
To see the VPN Statistics page:
1 To connect to the System Status page, type https:// in the browser address bar, and the IP
address of the Firebox X Edge trusted interface.
The default URL is: https://192.168.111.1
2 From the navigation bar, select System Status > VPN Statistics.
The VPN Statistics page appears.
Frequently Asked Questions
Why do I need a static external address?
To make a VPN connection, each device must know the IP address of the other device. If the address for
a device is dynamic, the IP address can change. If the IP address changes, connections between the
devices cannot be made unless the two devices know how to find each other.
You can use Dynamic DNS if you cannot get a static external IP address. For more information, see “Reg-
istering with the Dynamic DNS Service” on page 58.
How do I get a static external IP address?
You get the external IP address for your computer or network from your ISP or a network administrator.
Many ISPs use dynamic IP addresses to make their networks easier to configure and use with many
users. Most ISPs can give you a static IP address as an option.
How do I troubleshoot the connection?
If you can send a ping to the trusted interface of the remote Firebox® X Edge and the computers on the
remote network, the VPN tunnel is up. The configuration of the network software or the software appli-
cations are possible causes of other problems.
Why is ping not working?
If you cannot send a ping to the local interface IP address of the remote Firebox X Edge, use these steps:
1 Ping the external address of the remote Firebox X Edge.
For example, at Site A, ping the IP address of Site B. If the ping packet does not come back, make sure the external
network settings of Site B are correct. (Site B must be configured to respond to ping requests on that interface.) If
the settings are correct, make sure that the computers at Site B have Internet access. If the computers at site B do
not have Internet access, speak to your ISP or network administrator.
2 If you can ping the external address of each Firebox X Edge, try to ping a local address in the remote
network.
From a computer at Site A, ping the internal interface IP address of the remote Firebox X Edge. If the VPN tunnel
is up, the remote Edge sends the ping back. If the ping does not come back, make sure the local configuration is
correct. Make sure that the local DHCP address ranges for the two networks connected by the VPN tunnel do not use
any of the same IP addresses. The two networks connected by the tunnel must not use the same IP addresses.
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