Enable ICMP Echo

Before the server offers a particular IP address to a client, generate an ICMP request to ensure that the address to be offered is not in use by any host in the network. In this example, this is performed in switch 1.

1. Enable an ICMP echo request.

   SEFOS# configure terminal
   SEFOS(config)# ip dhcp ping packets
   SEFOS(config)# end
   

2. View the ICMP echo configuration for the DHCP server.

   SEFOS# show ip dhcp server information
    
   DHCP server status                         : Enable
   Send Ping Packets                          : Enable
   Debug level                                : None
   Server Address Reuse Timeout               : 5 secs
   Next Server Address                        : 0.0.0.0
   Boot file name                             :