CAP/support/enet/etherstat.8
2015-03-18 22:05:00 +01:00

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.TH ETHERSTAT 1
.SH NAME
etherstat \- Ethernet packet filter (PUP, Ethertalk) connections and statistics
.SH SYNOPSIS
.B etherstat
.SH DESCRIPTION
.I Etherstat
is used to print the internal data structures for the Ethernet packet
filter, enet(4). It will show information
for all network protocols that use the packet filter. Currently
this includes Ethertalk and PUP.
.I Etherstat
prints information about each open connection, and then a summary.
The information is organized by device. Each packet filter device
corresponds to an Ethernet interface (e.g. ie0, le1).
.I Etherstat
will print both the minor device number and the corresponding
Ethernet interface name.
.PP
The Ethernet packet filter allows software to specify which packets
it is interested in using "filters" described as Polish operator
strings. In the most general case,
.I Etherstat
will print the filter associated with each connection as a Polish
operator string. However it will recognize a few commonly used
operator strings, and print them in a more human-readable form,
as Appletalk port numbers for Ethertalk connections, and as PUP
address specifications for PUP connections.
.SH "SEE ALSO"
enet(4)