Dell Command Line Reference Guide for the S4048–ON System


Open Shortest Path First (OSPFv2 and OSPFv3)

Open Shortest Path First version 2 for IPv4 is supported on platform.

OSPF is an interior gateway protocol (IGP), which means that it distributes routing information between routers in a single autonomous system (AS). OSPF is also a link-state protocol in which all routers contain forwarding tables derived from information about their links to their neighbors.

The fundamental mechanisms of OSPF (flooding, DR election, area support, SPF calculations, and so on) are the same for OSPFv2 and OSPFv3. OSPFv3 runs on a per-link basis instead of on a per-IP-subnet basis.

The Dell EMC Networking OS versions 9.4(0.0) and 9.7(0.0) introduce support for VRF on OSPFv2 and OSPFv3 respectively. The multi-process OSPF feature supported on Dell EMC Networking OS version is modified. In earlier versions, multiple OSPF processes were created without VRF (prior to 9.4(0.0)). In the Dell EMC Networking OS versions 9.4(0.0) and 9.7(0.0) (for OSPFv3), multiple OSPF processes can be created on a router, but with only one OSPF process per VRF. However, there can be one OSFPv2 and one OSPFv3 on the same VRF.

This section is divided into two sections. There is no overlap between the two sets of commands. You cannot use an OSPFv2 command in the IPv6 OSPFv3 mode. OSPFv2 is supported on IPv4 tunnels only and OSPFv3 is supported on IPv6 tunnels only.

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