Configuring Basic Ospf Parameters - Cisco Catalyst 9500 series Configuration Manual

Configuring IP Unicast Routing
Feature
Log adjacency changes
Neighbor
Neighbor database filter
Network area
Nonstop Forwarding (NSF)
awareness
Router ID
Summary address
Timers LSA group pacing
Timers shortest path first (spf)
Virtual link

Configuring Basic OSPF Parameters

To enable OSPF, create an OSPF routing process, specify the range of IP addresses to associate with the
routing process, and assign area IDs to be associated with that range. For switches running the Network
Essentialsimage, you can configure either the Cisco OSPFv2 NSF format or the IETF OSPFv2 NSF format.
Procedure
Step 1
Default Setting
Enabled.
None specified.
Disabled. All outgoing LSAs are flooded to the neighbor.
Disabled.
Enabled. Allows Layer 3 switches to continue forwarding packets from a
neighboring NSF-capable router during hardware or software changes.
No OSPF routing process defined.
Disabled.
240 seconds.
spf delay: 5 seconds.; spf-holdtime: 10 seconds.
No area ID or router ID defined.
Hello interval: 10 seconds.
Retransmit interval: 5 seconds.
Transmit delay: 1 second.
Dead interval: 40 seconds.
Authentication key: no key predefined.
Message-digest key (MD5): no key predefined.
Command or Action
configure terminal
Example:
Device# configure terminal
Routing Configuration Guide, Cisco IOS XE Everest 16.6.x (Catalyst 9500 Switches)
Configuring Basic OSPF Parameters
Purpose
Enters the global configuration mode.
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