User's Manual

67
H8951
-
NA1
3G/4G Router User
Manual
Table 5-20 SNAT rule instruction
Parameter Details Operation
Protocol
Convert some kind of protocol
packets into address

Dropdown List

all

tcp

udp

icmp
Original
Address
The source address need to be
replaced
Manual input
Format1：A.B.C.D
Format2: A.B.C.D/Mask
Original Port
The port of external IP, the port
need to be replaced
Value area: 1-65535 or
[1-65535], it can be a
range, or a single port
Mapping
Address Type
Internal IP address

Dropdown
List

interface

static
Interface
Select the interface of the router as
source address after replacement

Dropdown List

br0

modem

eth0

eth1
Mapping Port
The new port which replaces the
original port of source address.
Value area: 1-65535 or
[1-65535], it can be a
range, or a single port
Step 5 Single click “save” icon to finish.
When a SNAT rule is configured with port specified, selecting “all” in protocol means selecting two
protocols contain "tcp", "udp"; when a SNAT rule is configured with no port specified, selecting “all” in
protocol means selecting three protocols contains "tcp", "udp","icmp".
---END
MASQ rule configuration
MASQ is MASQUREADE.
Step 1 Log-on WEB GUI of H8951-NA Cellular Wi-Fi Router.
Step 2 Click “Forward > NAT” to open “NAT” tab.
Step 3 Select “SNAT” in NAT Type. The configuration page is shown in Figure 5-48.