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 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 …
Advertising loopback network as /24 instead of /32 in OSPF?
In Cisco IOS Software Releases 11.3T and 12.0, if the ip ospf network point-to-point command is configured under loopbacks, OSPF advertises the loopback subnet as the actual subnet …
OSPF router-id - Cisco Learning Network
Hi Jerry. The DR election process goes this way: - choose the router ID if configured - choose the highest loopback IP address if configured - choose the highest IP address of any other …
OSPF neighbor relationship requirements - Cisco Learning Network
OSPF allows a routers to form adjacency with other routers in a single area. Each router via its interface connect to networks/subnets. The purpose to form adjacency is so that each router in …
OSPFv2 vs OSPFv3 - Cisco Learning Network
Jul 2, 2023 · One thing to highlight explicitly - for OSPFv3 you need IPv6 enabled on the network device even if you're not otherwise using IPv6 - ie you can't use OSPFv3 without enabling …
OSPF AND ACL CONFIGURATION - Cisco Learning Network
I intend to configure access list on the router 2. I have configured the network as shown and wanted to try out its connectivity. From PC3, I can ping router 2 and the loopback address but I …
OSPF process ID - Cisco Learning Network
OSPF process ID is first of all locally significant meaning that it is local to the router and doesn’t impact on two OSPF neighbor routers forming adjacency in case they are not the same. Cisco …
Adding a redistributed static route into ospf using route-map
I've tried removing and adding the route-map and the access list and even tried clear ip ospf process but to no avail. I'm afraid of re-adding to static routes because the said router is in a …
redistributing default route into ospf - Cisco Learning Network
It is done to prevent an inadvertent redistribution of the default route into OSPF from another routing protocol or from static routes. The only way to inject default route into OSPF (apart …