2.2.5 Checking ARP info

After setting an IPv4 address for a line or a port on a line in the Switch connected to the IPv4 network, execute the show ip arp command to check whether the addresses are resolved between the Switch and the neighboring devices (that is, whether ARP entries exist).

Figure 2-5: Result of executing show ip arp command
> show ip arp interface vlan 100 Date 20XX/10/25 14:00 UTC Total: 3 entries IP Address Linklayer Address Netif Expire Type 192.168.2.101 0012.e240.0a00 VLAN0100 Static arpa 192.168.1.51 0012.e240.0a01 VLAN0100 Static arpa 192.168.0.1 0012.e240.0a02 VLAN0100 3h30m0s arpa

Figure 2-5: Result of executing show ip arp command

> show ip arp interface vlan 100
Date 20XX/10/25 14:00 UTC
Total: 3 entries
 IP Address    Linklayer Address  Netif      Expire    Type
 192.168.2.101 0012.e240.0a00     VLAN0100   Static    arpa
 192.168.1.51  0012.e240.0a01     VLAN0100   Static    arpa
 192.168.0.1   0012.e240.0a02     VLAN0100   3h30m0s   arpa