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IS-IS 107
Figure 9 IS-IS Topology
NSAP Structure of IS-IS Figure 10 illustrates the NSAP structure. The whole address is of 8 to 20 bytes
long.
Figure 10 NSAP Structure
NSAP includes initial domain part (IDP) and domain specific part (DSP). IDP and
DSP are length-variable with a total length of 20 bytes. The IDP is composed of the