OSPF default metric values

OSPF


When using the [OSPF](/ospf) [routing protocol](/routing-dynamic-routing-protocols), the metric to a particular destination is determined by the sum of the cost of the **outgoing** interfaces along the path.  Thus, if the cost is not the same on both ends of a link, return traffic may take another route.

## Links

https://forum.networklessons.com/t/how-to-configure-ospf-for-ccna-students/879/88?u=lagapides

OSPF metric sum of outgoing interface costs

OSPF DR BDR election criteria

OSPF DR BDR election process

OSPF Database Exchange Process Master Slave Election

OSPF Design - When to create new instance

OSPF Determining which LSA is newer

OSPF Discontiguous Area 0

OSPF Do Not Age (DNA) Flag

OSPF E1 E2 N1 N2 routes

OSPF Forwarding Address

OSPF Hello packets unicast and multicast

OSPF IP Unnumbered

OSPF IS-IS comparison

OSPF Incremental SPF and receipt of LSAs

OSPF LSA Persistence with DNA flag

OSPF LSA Recursion

OSPF LSA Sequence Numbers

OSPF LSA Types

OSPF NSSA ABR advertises default route

OSPF Not So Stubby Area NSSA

OSPF Packet Types and Their Transmission Methods

OSPF Path selection

OSPF Prefix Suppression Considerations

OSPF Route Filtering

OSPF Routing Bit

OSPF SPF Scheduling and throttling timers

OSPF Summarization Restrictions Within an Area

OSPF TTL Security Check

OSPF Troubleshooting

OSPF Type 3 LSA

OSPF Type 4 LSA

OSPF Type 5 LSA

OSPF Type 7 LSA

OSPF Understanding LSA Aging and Refreshing

OSPF Why it is not suitable for use on the Internet

OSPF advertising loopback network

OSPF area inactive

OSPF area notation

OSPF area type mismatch

OSPF backbone area 0

OSPF design - when to create a new area

OSPF does not redistribute default route

OSPF downheap LSA

OSPF duplicate router IDs

OSPF extent of reconvergence process

OSPF immediate hello packet

OSPF in a GRE multipoint environment

OSPF loop prevention

OSPF message options field

OSPF modifying the router ID

OSPF network command

OSPF network types

OSPF non directly connected neighbor adjacencies

OSPF packet types

OSPF point to point network type for Ethernet

OSPF requirements for forming adjacency

OSPF router ID in an IPv6 environment

OSPF router ID

OSPF sham-link cost

OSPF sham-link

OSPF virtual link and ABRs

OSPF where do you configure a virtual link

OSPF why is a backbone area 0 necessary

OSPF within what area is an OSPF router considered to be

OSPFv2 and OSPFv3 comparison

OSPFv3 - router ospfv3 command

OSPFv3 communication between routers and next hop addresses

OSPFv3 instance ID

Offset-list

PAT (overloading) maximum number of translations per inside global address

PAgP

PBR - Policy Based Routing

PBR - Transport Layer port number

PBR - load balancing

PBR - matching prefix lists

PBR - route-map and ACL deny statements not supported

PBR - set interface command

PBR next hop recursive

PBR next hop verify availability

PBR next-hop and default next-hop

PPPoE

PSTN

PTP - Best Master Clock Algorithm

PTP - Clock Types

PTP - Interface Roles

PTP - Offset and Delay times

PTP - Precision Time Protocol

Passive interface

Physical layer - Copper medium

Physical layer - Optical fiber medium

Physical layer - Wireless medium

Physical layer - carrier wave

Physical layer - encoding

Physical layer - media

Physical layer - modem

Physical layer - modulation

Ping - Specify ToS

Ping - common reasons for failure

OSPF metric sum of outgoing interface costs

Links

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