Open Shortest Path First (OSPFv2 and OSPFv3) | 691
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Open Shortest Path First (OSPFv2 and OSPFv3)
Open Shortest Path First version 2 (OSPF for IPv4) is supported on platforms c e s
Open Shortest Path First version 3 (OSPF for IPv6) is supported on platforms c e
OSPF for IPv4 is supported on the E-Series ExaScale platform with FTOS 8.1.1.0; OSPF for IPv6 is
supported on E-Series ExaScale with FTOS version 8.2.1.0 and later.
This chapter is intended to provide a general description of OSPFv2 (OSPF for IPv4) and OSPFv3 (OSPF
for IPv6) as supported in the Force 10 Operating System (FTOS). It is not intended to provide a complete
This chapter includes the following topics:
• Protocol Overview
• Implementing OSPF with FTOS
• Graceful Restart
• Fast Convergence (OSPFv2, IPv4 only)
• Multi-Process OSPF (OSPFv2, IPv4 only)
• RFC-2328 Compliant OSPF Flooding
• OSPF ACK Packing
• OSPF Adjacency with Cisco Routers
• Configuration Requirements
• Configuration Task List for OSPFv2 (OSPF for IPv4)
• Configuration Task List for OSPFv3 (OSPF for IPv6)
• Sample Configurations for OSPFv2
OSPF protocol standards are listed in Appendix , , on page 1239.
Note: The fundamental mechanisms of OSPF (flooding, DR election, area support, SPF calculations,
etc.) are the same between OSPFv2 and OSPFv3. Where there are differences between the two
versions, they are identified and clarified. Except where identified, the information in this chapter applies
to both protocol versions.
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