Network stack utilities

The following utilities are used with network resources:

Description	Utility
Address resolution display and control	arp
Dynamic Host Configuration Protocol (DHCP) client	dhclient
Dumps current DNS configuration	dnsconf
Get (debug) information out of DNS(SEC)	drill
Resolve names to socket addresses	getaddrinfo
Configure network interface parameters	ifconfig
Configure the address selection policy for IPv6 and IPv4	ip6addrctl
IP firewall and traffic shaper control program	ipfw
Implement the IPv4 and IPv6 networking protocols	istack
Loads the network stack and configures it	netload
Show network status	netstat
Netgraph control utility	ngctl
Connect to a netgraph node	nghook
Send ICMP or ICMPv6 ECHO_REQUEST packets to network hosts	ping
Manually manipulate the routing tables	route
Router solicitation daemon	rtsold
Get or set kernel state	sysctl
Dump traffic on a network	tcpdump
Print the route packets take to network host	traceroute