Billion BiPAC 7800VDOX Router Manual PDF (Setup & Configuration Guide)

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256

Client Side: Branch Office

The client user can set up a tunnel connecting to the PPTP server, and can also set the tunnel as

the default route for all outgoing traffic.

Note:

users can see the “Default Gateway” item in the bar, and user can check to select the tunnel

as the default gateway (default route) for traffic. If selected, all outgoing traffic will be forwarded to

this tunnel and routed to the next hop.

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257

GRE

Generic Routing Encapsulation

(GRE) is a tunneling protocol that can encapsulate a wide variety

of network layer protocol packets inside virtual point-to-point links over an Internet Protocol (IP)

network. And the common use can be GRE over IPSec.

Note:

up to 8 tunnels can be added, but only 4 can be activated.

Name:

User-defined identification.

WAN Interface:

Select the exact WAN interface configured for the tunnel as the source tunnel IP.

Select Default to use the now-working WAN interface for the tunnel.

Local Tunnel Virtual IP:

Please input the virtual IP for the local tunnel.

Local Netmask:

Input the netmask for the local tunnel.

Remote Tunnel Virtual IP:

Please input the virtual destination IP for tunnel.

Remote Gateway IP:

Set the destination IP for the tunnel.

Remote Network:

Select the peer topology,

Single address (client) or Subnet.

IP Address:

Set the IP address if the peer is a client. If the peer is a subnet, please enter the IP and

netmask.

Enable Keepalive:

Normally, the tunnel interface is always up. Enable keepalive to determine when

the tunnel interface is to be closed. The local router sends keepalive packets to the peer router, if

keepalive response is not received from peer router within the allowed time (‘retry time’ multiply

‘interval’, based on default settings, the time interval can be 30 seconds), the local router will shut up

its tunnel interface.

Keepalive Retry Times:

Set the keepalive retry times, default is 10.

Keepalive Interval:

Set the keepalive Interval, unit in seconds. Default is 3 seconds.

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258

Advanced Setup

There are sub-items within the System section:

Routing

,

DNS

,

Static ARP,

UPnP

,

Certificate

,

Multicast

,

Management

, and

Diagnostics.

(7800VDOX)

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259

Routing

Default Gateway

WAN port:

Select the port this gateway applies to.

To set

Default Gateway

and

Available Routed WAN Interface

. This interfaces are the ones you

have set in WAN section, here select the one you want to be the default gateway by moving the

interface via

or

.

And select a Default IPv6 Gateway from the drop-down menu.

Note:

Only one default gateway interface will be used according to the priority with the first being the

highest and the last one the lowest priority if the WAN interface is connected.

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260

Static Route

With static route feature, you can control the routing of all the traffic across your network. With each

routing rule created, you can specifically assign the destination where the traffic will be routed.

Above is the static route listing table, click

Add

to create static routing.

IP Version:

Select the IP version, IPv4 or IPv6.

Destination IP Address / Prefix Length:

Enter the destination IP address and the prefix length. For

IPv4, the prefix length means the number of ‘1’ in the submask, it is another mode of presenting

submask. One IPv4 address,192.168.1.0/24, submask is 255.255.255.0. While in IPv6, IPv6

address composes of two parts, thus, the prefix and the interface ID, the prefix is like the net ID in

IPv4, and the interface ID is like the host ID in IPv4. The prefix length is to identify the net ID in the

address. One IPv6 address, 3FFE:FFFF:0:CD30:0:0:0:0 / 64, the prefix is

3FFE:FFFF:0:CD3.

Interface:

Select an interface this route associated.

Gateway IP Address:

Enter the gateway IP address.

Metric:

Metric is a policy for router to commit router, to determine the optimal route. Enter one

number greater than or equal to 0.

Click

Apply

to apply this route and it will be listed in the route listing table.

In listing table you can remove the one you don’t want by checking the checking box and press

Remove

button.

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