IS-IS and OSPF: Network Design Comparisons and ... - JANOG
IS-IS and OSPF: Network Design Comparisons and ... - JANOG
IS-IS and OSPF: Network Design Comparisons and ... - JANOG
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Area Structure: <strong>OSPF</strong><br />
• Area boundaries fall on routers<br />
• Router types<br />
• Interior (or backbone)<br />
• ABR<br />
Area 1<br />
• ASBR<br />
ASBR<br />
ABR/<br />
ASBR<br />
ABR<br />
Area 2<br />
Area 0<br />
External<br />
Routes<br />
ASBR
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