Release : 1.1f 645 / 985
Super Micro Intelligent Switch Command Line Interface User Guide
26 OSPF
OSPF (Open Shortest Path First ) protocol, is an Interior Gateway Protocol used to distribute
routing information within a single Autonomous System. Routers use link-state algorithms to send
routing information to all nodes in an internetwork by calculating the shortest path to each node
based on a topography of the Internet constructed by each node. Each router sends that portion
of the routing table (keeps track of routes to particular network destinations), which describes the
state of its own links, and it also sends the complete routing structure (topography).
The advantage of shortest path first algorithms is that they result in smaller more frequent
updates everywhere. They converge quickly, thus preventing such problems as routing loops and
Count-to-Infinity (when routers continuously increment the hop count to a particular network). This
makes for a stable network.
Before configuring OSPF, RRD needs to be enabled. This will be done by defining
RRD_WANTED in LR/make.h in compilation. In addition, all OSPF interface related
configurations, can be done only when the global OSPF is enabled.
The list of CLI commands for the configuration of OSPF is as follows:
router ospf
router-id
area - Stability interval
area - translation-role
compatible rfc1583
abr-type
neighbor
area-default cost
area- nssa
area-stub
default-information originate always
area - virtual-link
ASBR Router
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