Introduction to Filtering
67
( )
brackets
Used in pattern filters to separate portions of filter
patterns for specific operators.
Example: 12-80&(14-24|14-32) This filter pattern will be
checked in two operations.
First the section in brackets
will be checked and then the
results of the first check will
be used in the second check
using the first portion of the
filter pattern. If the packet
information starting at the
14
th
octet equals 24 or 32,
and the information at the
12
th
octet equals 80, the filter
pattern will match.
Summary of Contents for PERLE P850
Page 6: ......
Page 21: ...Installation 15 Figure 1 4 Front View of the P850 router Tx Rx Power ...
Page 83: ...Octet Locations on Ethernet Frames 77 Octet Locations on a Bridged XNS Frame ...
Page 101: ...Servicing Information 95 ...
Page 106: ...100 Router A PC used for TFTP transfers Link 1 Link 2 Router B Router C ...