HPE FlexNetwork 10500 SERIES, Configuration Manual

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Relational operators
—
Indicate the relation between keyword strings. For example, the =
operator indicates equality.
This document provides basic information about these elements. For more information about
capture and display filters, go to the following websites:
•
http://wiki.wireshark.org/CaptureFilters .
•
http://wiki.wireshark.org/DisplayFilters .
Capture filter keywords
Table 28 and Table 29 describe the qualifiers and variables for capture filters, respectively.
Table 28 Qualifiers for capture filters
Category Description Examples
Protocol
Matches a protocol.
If you do not specify a protocol
qualifier, the filter matches any
supported protocols.
•
arp —Matches ARP.
•
icmp —Matches ICMP.
•
ip —Matches IPv4.
•
ip6 —Matches IPv6.
•
tcp —Matches TCP.
•
udp —Matches UDP.
Direction
Matches packets based on its
source or destination location (an
IP address or port number).
If you do not specify a direction
qualifier, the
src or dst qualifier
applies.
•
src —Matches the source IP address
field.
•
dst —Matches the destination IP address
field.
•
src or dst —Matches the source or
destination IP address field.
NOTE:
The src or dst qualifier applies if you do not
specify a direction qualifier. For example,
port 23 is equivalent to src or dst port 23 .
Type Specifies the direction type.
•
host —Matches the IP address of a host.
•
net —Matches an IP subnet.
•
port —Matches a service port number.
•
portrange —Matches a service port
range.
NOTE:
The host qualifier applies if you do not
specify any type qualifier. For example, src
2.2.2.2 is equivalent to src host 2.2.2.2 .
To specify an IPv6 subnet, you must specify
the
net qualifier.
Others
Any other qualifiers than the
previously described qualifiers.
•
broadcast —Matches broadcast packets.
•
multicast —Matches multicast and
broadcast packets.
•
less —Matches packets that are less than
or equal to a specific size.
•
greater —Matches packets that are
greater than or equal to a specific size.
•
len —Matches the packet length.
•
vlan —Matches VLAN packets.