Chapter 5 TCP/UDP Testing
Configuring layer 4 traffic
HST-3000 Ethernet Testing User’s Guide
167
initialize the link, establish a connection or session, and
specify the layer 2 and layer 3 settings, you then specify the
required layer 4 settings before transmitting the traffic over the
circuit.
For details on link initialization, see:
–
“Initializing the link for Ethernet testing” on page 47
– “Establishing an IPoE connection for IPv4 traffic” on
page 122
– “Establishing an IPoE connection for IPv6 traffic” on
page 124
– “Establishing a PPPoE session” on page 128
For details on specifying layer 2 and layer 3 settings, see:
– “Configuring layer 2 Ethernet tests” on page 51
– “Configuring layer 3 IP tests” on page 136
Configuring layer 4 traffic
After initializing the link or establishing a PPPoE session and
specifying layer 2 and layer 3 settings, you specify the layer 4
settings before transmitting traffic over the circuit.
Well known
ports
A port is an endpoint to a logical connection and the way a
client program specifies a specific server program on a
computer in a network. Some ports have numbers that are
pre-assigned to them by the IANA. These are known as well
known ports (specified in RFC 1700). Port numbers range
from 0 to 65536, but only ports numbers 0 through 1024 are
reserved for privileged services and designated as well-
known ports. This list of well-known port numbers specifies
the port used by the server process as its contact port.
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