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King Pigeon Hi-Tech. Co., Ltd.
Ver 1.0
4G Wireless Industrial Router
Wireless Data Connectivity
IP&MAC Bind
Item
Description
Default
IP&MAC Address
Binding
Only after click<enable> can set the following related items,Click
<Disable> and the router IP&MAC address binding function will be
invalid.
enable
Address binded
If click <Not allowed to Modify >, the IP address corresponding to the
bound MAC address cannot be modified. If it is changed, it cannot pass
through the router.
Allowed to
modify
Address not binded
Enable <Allow to Pass>, the unbound MAC address can pass through the
router through the IP address of the LAN port segment.Conversely, if the
"Not allow to Pass" is activated, the unbound IP&MAC address cannot
pass through the router.
Allow to
pass
Static IP
Enter the IP address of computer. The IP address may not be in the
address pool assigned by the router's DHCP server, but it must be on the
same subnet as the LAN port IP address.
empty
MAC address
Enter the computer MAC address
empty
Username
Enter the computer name which the IP and MAC addresses are bound.
empty
SHOW
Click this button, the router will automatically scan all the IP in the LAN,
and bind the unbound MAC address to the IP&MAC address.
Note
:
This method is suitable for network stability and all computers are
online, can obtain computer IP/MAC binding entries in the LAN easily.
However, in this way, some ARP cache tables are missing information
about the computer due to aging of ARP entries, that is, these IP/MAC
addresses are not bound. After setting this method, it is recommended
to check whether the computer you want to bind is in the binding list. If
not, add it manually.
--
IMPORT
Click this button to select the ARP entry to be bound. Click <OK> to
import the IP/MAC binding table at the bottom of the page.
--
[Example]
In an Internet cafe, because the computer in the LAN has a virus or other reasons, ARP attack packets keep
attacking the router, causing the computer in the LAN to be abnormal. Hope to achieve the following requirements:
•
The computer in the LAN dynamically obtains the IP address through DHCP;
•
When the computer IP address is inconsistent with the set binding relationship table, the computer cannot access
the Internet, thus preventing the Internet user from modifying the IP address of the computer at random;
•
External computers (such as laptops that come with users) do not have access to the Internet;
•
ARP attacks on the LAN do not affect computers on the LAN from accessing the Internet.
Setting Step
Step1:
Enable the router's DHCP server function (LAN Settings
→
Basic Settings
→
DHCP Server Settings), set
the IP address pool range, such as 192.168.10.2 to 192.168.10.254, so that the computer in the LAN dynamically
obtains the IP address. (The computer must be set to automatically obtain an IP address).
Step2:
Set the IP/MAC binding relationship table to set the mapping between the IP address and MAC address of
all computers on the LAN to the list. (Also refer to the "SHOW" in the above table to help the IP address of all
computers in the LAN with the corresponding MAC address).
Step3:
Tick <Address Binded>
→
<Not allowed to Modify>.
Step4:
Tick < Address not binded>
→
<Not allowed to pass>.