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H8922 3G/4G Router User Manual
Table 5-24
The instruction of parameters of SNAT rule
Parameter
Details
Operation
Protocol
The destination address translation is per-
formed for which protocol packet.
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
Source address port to be replaced.
Value area: 1-65535 or [1-
65535], it can be a range, or a
single port
Mapping Address
Type
The type of new source address after the
source address is replaced
Dropdown List
⚫
interface
⚫
static
Interface
Select the interface of the router as source ad-
dress after replacement
⚫
Dropdown List
⚫
br0
⚫
modem
⚫
eth0
⚫
eth1
Mapping Address
New source address after source address re-
placement
Format:
A.B.C.D
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 4
Single click “save” to finish the configuration of SNAT rule.
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, selec
ting “all” in protocol means selecting three
protocols contains "tcp", "udp","icmp".
---END
The configuration of MASQ rule
MASQ is also MASQUREADE, address masquerading, which converts the source IP address of all packets for-
warded by the router into the IP address set by the user. The H8922 routers support the conversion of the
source IP address of a packet to an interface address of the router.
Step 1
Click “Forward > NAT” .
open the configuration page of “NAT”and choose Convert Type as MASQ.
See below:
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