IBM 6 MPLS Bedienungsanleitung PDF herunterladen (Seite 4)

Specialized Models User Guide 6 MPLS Model User Guide

SPM-6-4 Modeler/Release 10.0

Figure 6-2 Specifying FEC Attributes

The FEC Details Table helps define the FEC through a set of match rules,

which are combinations of TCP, UDP, and IP header fields. FECs are

determined by taking a logical AND of the column settings in a row and by

taking a logical OR of each of the rows. In other words, for a packet to qualify

for a particular FEC, the IP header fields must satisfy every condition of at

least one row of the defined FEC. For example, a FEC that consists only of

email and ftp traffic would be specified as shown in Figure 6-3

Figure 6-3 FEC Details for E-mail and FTP Traffic

Therefore, if the IP header of a packet contained either email or FTP, it would

qualify for the FEC defined in Figure 6-3

, and would be sent over the

corresponding LSP.

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IBM 6 MPLS Bedienungsanleitung Seite 4