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What is true about the router ID in a single area OSPF network?
The router ID is used to uniquely identify each router in the OSPF routing domain.If no loopback interfaces are configured, the router chooses the highest active IP address of any of its physical interfaces.
What command injects a default route into an OSPF network?
CCNA Guide to Cisco Networking Fourth Edition Ch.8 Answer: OSPF is configured using the router ospf [process id] command.
What command would the network administrator apply to a router that is running OSPF to advertise the entire range of addresses included in 172.16.0.0 19 in area 0?
**R1(config-router)# network 172.16.0.0 0.0.31.255 area 0
What comment are use to delete a routing protocols in cisco router?
No router eigrp <AS #> No router ospf <process ID> No router bgp <AS #> No router rip
What is ospf throttle?
OSPF LSA throttling helps the dampening of LSA updates in OSPF during times of network instability.
How you configure both eigrp and ospf to transfer a packet eigrp to ospf and ospf to eigrp?
we would need to redistribute ospf routes into eigrp and vice versa. redistribution will have to be done on an ASBR(autonomus system boundry router) eg: we have an ospf process wid process id 10 running and eigrp with ASN 20 running in our network redistribution on ASBR would be conf t router ospf 10 redistribute eigrp 20 subnets metric 1 and in eigrp conf t router eigrp 20 redistribute ospf metric 1 1 1 1 1 we see i used 5 ones in eigrp process to redistribute opsf into eigrp. thes 1's are metrics for eigrp namely load bandwidth delay reliability
4 A network administrator needs to configure a single router to loadbalance the traffic over unequal cost paths Which routing protocol should the administrator use?
OSPF
In OSPF router updates are sent in what form?
link state advertisement
What does DR and BDR stand for in Cisco IOS?
A DR and BDR in a Cisco network stands for Designated Router and Backup Designated Router. These designations are used when working with certain routing protocols such as Open-Shortest Path First (OSPF)
Ccna2 version 4.0 chapter 11?
Router R1 is participating in the OSPF routing protocol as well as the EIGRP routing protocol. If R1 learns of network 192.168.10.0/24 from both the OSPF and internal EIGRP routing protocols, how will the route appear in the routing table of R1?
What are two tasks that must be completed before two routers can use OSPF to form a neighbor adjacency?
The routers must agree on the network type. The routers must use the same dead interval
What ospf packet type is used to elect the designated router and backup designated router on multiaccess networks?
hello packets
