SNR S2989G-48TX-RPS — настройка Gratuitous ARP для сетевых интерфейсов [193/553]

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S2989G-24TX Operation Manual

Chapter 3 IP services Configuration

3-31

Interface vlan1

192.168.14.254

255.255.255.0

Interface vlan10

192.168.15.254

255.255.255.0

Command

Explanation

Global Configuration Mode and Interface

Configuration Mode.

ip gratuitous-arp <5-1200>

no ip gratuitous-arp

To enable gratuitous ARP and configure the

interval to send gratuitous ARP request.

The no command cancels the gratuitous

ARP.

2. Display configurations about gratuitous ARP

Command

Explanation

Admin Mode and Configuration Mode

show ip gratuitous-arp [interface vlan

<1-4094>]

To display configurations about gratuitous

ARP.

3.11.3

Gratuitous ARP Configuration Example

Switch

PC1 PC2 PC3 PC4 PC5

Figure 3-7 Gratuitous ARP Configuration Example

For the network topology shown in the figure above, interface VLAN10 whose IP

address is 192.168.15.254 and network address mask is 255.255.255.0 in the switch

system. Three PCs – PC3, PC4, PC5 are connected to the interface. The IP address of

interface VLAN 1 is 192.168.14.254, its network address mask is 255.255.255.0. Two PCs

– PC1 and PC2 are connected to this interface. Gratuitous ARP can be enabled through

the following configuration:

1. Configure two interfaces to use gratuitous ARP at one time.

Switch(config)#ip gratuitous-arp 300