5–12
MULTINET4 MULTI-PORT SERIAL SERVER & MANAGED SWITCH – INSTRUCTION MANUAL
THE CLI AND PROTOCOL MONITOR
CHAPTER 5: THE CLI AND PROTOCOL MONITOR
MN4
#
monitor e3 filter display ip
MN4
#
monitor e3 filter linenum 4
MN4
#
monitor e3 set mode terse
MN4
#
monitor e3 start
Monitor Started
The Protocol Monitor Command Set
The table below explains the commands available for configuring and operating the
Protocol Monitor when the
MN4(monitor)#
prompt is displayed or from the
MN4#
prompt
using a
monitor
prefix.
Table 5–9: Protocol Monitor Command Set
CMD
Synopsis
Description
filter
filter [no]
params...
The
param
arguments to the filter command specify the types of
information to be
included
. Only one filter may be configured on a
single command line. In addition, only a single filter of each type
may be specified.
•
dstip ipaddr
– Display packets that have the matching
destination IP address in the IP header. The IP address
is specified in standard dotted notation, for example,
192.168.1.1.
•
dstmac macaddr
– Display packets that have the matching
destination MAC address in the Ethernet header. The
MAC address is specified as hex octets separated by
colons, for example, 00:20:61:54:3A:CD.
•
dstport portnum
– Display packets that have the matching
destination port in the TCP or UDP header. The port is
specified as an integer between 1 and 65535.
•
srcip ipaddr
– Display packets that have the matching
source IP address in the IP header.
•
srcmac macaddr
– Display packets that have the matching
source MAC address in the Ethernet header.
•
srcport portnum
– Display packets that have the matching
source port in the TCP or UDP header.
•
protocol icmp | tcp | udp
– Display packets that have
the matching protocol specified in the IP header.
To cancel a previously specified filtering option precede the
specification with
no
. For example:
MN4
(monitor)#
filter no destip