1.From the navigation tree, select Network > ARP Management.
2.Click the Gratuitous ARP tab.
Figure 220 Gratuitous Configuring ARP page
3.Configure gratuitous ARP as described in Table 81.
4.Click Apply.
Table 81 Configuration items
Item | Description | |
Disable gratuitous ARP packets | Disable learning of ARP entries from gratuitous ARP packets. | |
learning function | Gratuitous ARP packet learning is enabled by default. | |
|
| |
Send gratuitous ARP packets when | Enable the device to send gratuitous ARP packets upon receiving ARP | |
requests from another network segment. | ||
receiving ARP requests from another | ||
By default, the device does not send gratuitous ARP packets upon | ||
network segment | ||
receiving ARP requests from another network segment. | ||
| ||
|
|
Static ARP configuration example
Network Requirements
As shown in Figure 221, hosts are connected to Switch A, and Switch A is connected to Router B through GigabitEthernet 1/0/1 in VLAN 100.
To ensure secure communications between Switch A and Router B, configure a static ARP entry on Switch A for Router B.
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