Reference Manual

NAME

udp - send a UDP packet to an Echo Server

udp host [string]

Command udp sends the specified string to host at Port 7 (the Echo Port).

If no string is specified, the following string is sent:

UDP echo request from NAT32 at IP_addr

where IP_addr is the current IP address of the interface over which the packet leaves the system.

Data returned by the remote Echo Server is written to STDOUT.

Command udp is used primarily for testing reachability of remote sites at the UDP level.

tcp