What is process id in ospf? What is its exact use and benefit?
Apr 3, 2025 · In OSPF (Open Shortest Path First), the process ID is a unique identifier assigned to an OSPF routing instance on a router. It is used primarily to distinguish between multiple …
OSPF CCNA/CCNP Workbook Lab1 - Cisco Learning Network
Note: loopbacks have its own type called loopback and treated in OSPF as stub hosts and advertised as /32 , If u want real mask advertised then you need to change interface OSPF …
Chapter 4 - Segment Routing | OSPF - Cisco Learning Network
Nov 15, 2024 · router ospf 1 router-id 3.3.3.1 segment-routing mpls area 0 interface Loopback1 passive enable prefix-sid index 3 ! interface GigabitEthernet0/0/0/1 network point-to-point ! …
OSPF: Why use Loopback over Router-ID - Cisco Learning Network
Feb 24, 2025 · •If OSPF router ID needs to be routable, configure a loopback interface with the same IP address and include it under the OSPF process. •If applications like DLSW+, IPSec, …
Why is ospf neighbor bouncing? - Cisco Learning Network
Hey Doug, Looks like you're missing a few more commands on your hub router. First, you need to change the network type to point-to-multipoint otherwise you're going to have the adjacency …
OSPF: Multiple areas with same ID - Cisco Learning Network
I read somewhere (really can't remember too much reading) about having an OSPF "domain" with a backbone area and 2 areas with same area ID. So I decided to lab it on GNS 3 (topology …
OSPF E2 and E1 routes - Cisco Learning Network
I know the difference between OSPF E2 routes and E1 routes. Briefly, for E2 routes it doesn't matter internal costs except when breaking a tie, whereas E1 routes do add internal costs to …
OSPF - Choosing a Designated Router - Cisco Learning Network
I am a bit stupified by one of these questions if we look at the networking Topology below, I thought that my answer to the 10.1.16.0 network. I chose Router A as the designated router …
Advertising loopback network as /24 instead of /32 in OSPF?
R1 has the loopback configured with the ip ospf network point-to-point command and advertises the loopback in OSPF. interface Loopback0 ip address 1.1.1.1 255.255.255.0 ip ospf network …
passive interface in OSPF - Cisco Learning Network
passive interface in OSPF ? Hi, I am having difficulty in understanding the benefit of using the passive interface command under OSPF. The scenario is from Chapter 4 of the CCNP Route …