QNO VPN QoS, User Manual

Page: 205 / 210

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b) Bind the Gateway IP and MAC address for each PC
This prevents the ARP from cheating IP and its MAC address. First, find out the gateway IP and MAC
address on the device end.
On every PC, start or operate cmd to enter the dos operation. Enter arp
–s 192.168.1.1 0a-0f-d4-9e-fb-0b
so as to finish the binding of pc01 as illustrated.
For other host devices within the network, follow the same way to enter the IP and MAC address of the
corresponding device to complete the binding work. However, if this act restarts the computer, the setting will
be cancelled. Therefore, this command can be regarded as a batch of processing documents placed in the
activation of the operation system. The batch processing documents can be put in this way:
@echo off
arp -d
arp -s Router LAN IP Router LAN MAC
For those internal network attacked by Arp, the source must be identified. Method: If the PC fails to
go online or there is packet loss of ping, in the DOS screen, input arp
–a command to check if the MAC