XGS-5240-Series User Manual

Configuration Guide of XGS-5240-Series
35-2
Admin Mode and Configuration Mode
show ip gratuitous-arp [
interface vlan
<1-4094>]
To display configurations about gratuitous
AR P.
35.3 Gratuitous ARP Configuration Example
Fig 5-1 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
Switch(config)#exit
2. Configure gratuitous ARP specifically for only one interface at one time.
Switch(config)#interface vlan 10
Switch(Config-if-Vlan10)#ip gratuitous-arp 300
Switch(Config-if-Vlan10)#exit
Switch(config) #exit
PC1 PC2 PC3 PC4 PC5
Switch
Interface vlan1
192.168.14.254
255.255.255.0
Interface vlan10
192.168.15.254
255.255.255.0