Shenzhen Hongdian Technologies H792x, User Manual

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7 FAQ H792x 3G/4G Router
7 -52 (2014-05-28)
Step 7 Single click “save” icon to OSPF route setting.
Step 8 Single click “save” icon to finish.
OSPF is a link-state (Link-state) routing protocol, commonly used for the same routing domain. Here,
the routing domain is an autonomous system, which refers to the routers can switch routing information
through a unified network switching or routing protocol routing policy in the AS, all OSPF routers
maintains an identical description of the database structure AS, which is stored in the database link status
information corresponding routing domain, OSPF router is through this database to calculate its OSPF
routing table.
As a link-state routing protocol, OSPF link state broadcast data LSA (Link State Advertisement) sent to
all routers in an area, which is different from the distance vector routing protocols. Distance vector
routing protocol passed some or all routing information of the routing table to the adjacent routers.
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5.6 VPN configuration (H7921 only)
5.6.2 Overview
H792x 3G/4G router supports VPN (Virtual Private Network) including
L2TP/PPTP/GRE/IPIP/IPSEC. What’s more, it supports VPN OVER VPN, e.g. GRE over
IPSec, IPSec over PPTP/L2TP/GRE/IPIP.
Neighbor The router can reach in the
next hop Manual input
Format1: A.B.C.D/Mask
When Add Type is “Interface”,
Interface Name The interface of the router
Dropdown List

br0

modem

modem2

eth1

eth0
Interface
Attribute Configure the router
interface attribute, include
cost and network
Click the button to select

cost

network
Cost Configure the cost of the
router interface, used to learn
routing table Manual input
Value area:1-65535
Network type
（
when the
interface
attribute is
network)
Configure the network type
of the router interface
Dropdown List

broadcast

non-broad

point-to-multipoint

point-to-point