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- What is process id in ospf? What is its exact use and benefit?
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 processes running on the same router Here’s a detailed explanation of its use and benefits:
- OSPF not showing neighbor relationships. - Cisco Learning Network
OSPF sends out hello messages to neighboring routers to announce itself as an OSPF router and discover who its neighbor routers are Routers have to agree on certain parameters (such as timers and being on a common subnet) before they can become neighbors
- OSPF CCNA CCNP Workbook Lab1 - Cisco Learning Network
Task 2 (Area 0) · Configure OSPFv2 in R1 and R2 in area 0 using process id 100 · R1 should use router id 0 0 0 1 · R2 should use the highest Virtual interface IP address as router id · R1 should use Network command to enable OSPF in G0 1 interface · R2 should not use Network command to enable OSPF in G0 1, loopback 2 and loopback22 interfaces · R2 loopback2 interface should be treated as
- OSPF: Why use Loopback over Router-ID - Cisco Learning Network
•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, etc , require optimal routing, configure separate loopback interface (s) and use IP addresses from a different address space which is not summarized at the ABRs
- Chapter 4 - Segment Routing | OSPF - Cisco Learning Network
configure router ospf 1 router-id 1 1 1 1 segment-routing global-block 9000099999 segment-routing mpls area 0 interfaceLoopback1 passive enable prefix-sid index 1 ! interfaceGigabitEthernet0 0 0 3 network point-to-point ! interfaceGigabitEthernet0 0 0 4 cost 50 network point-to-point commit end
- BGP lt;-- gt; OSPF route redistribution - Cisco Learning Network
It is a tedious process, but you would need to look at the output of a 'show ip ospf database" and "show ip bgp" on each router to see what is different You might need to drill into further detail in bgp with something like "show ip bgp 40 1 1 1 32"
- What is a passive interface and why would you use it
Passive-interface command is used in all routing protocols, but varies from once protocol to other It is generally used to disable sending updates out from a specific interface which is configured under specific protocol
- redistribute subnet keyword - Cisco Learning Network
Hi I want to know deep dive on redistribute subnet keyword use, I am trying to redistribute ospf routes to bgp and vice versa, I only have one SVI and point to point IPs to redistribute from ospf ->bgp and , and a whole bgp table to redistribute from bgp-> ospf So every time should I use "redistribute ospf subnets" and "redistribute bgp subnets" commands- what will I lose if I don't add
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