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Question 188 - 300-420 discussion

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A network engineer must design an MSDP multicast solution to provide RP resilience in a network with two separate domains. Also, multicast sources and receivers must register with the local RP.

Which solution must the engineer choose?

A.

Configure the RP has value to 0, and traffic will route to the closest RP

Answers
A.

Configure the RP has value to 0, and traffic will route to the closest RP

B.

Configure the RP loopback interface with the same IP address/32, and traffic will route to the closest RP

Answers
B.

Configure the RP loopback interface with the same IP address/32, and traffic will route to the closest RP

C.

Configure the RP group ranges to split the multicast traffic, and traffic will route to the longest match

Answers
C.

Configure the RP group ranges to split the multicast traffic, and traffic will route to the longest match

D.

Configure the RP priority with the same value, and traffic will route to the closest RP

Answers
D.

Configure the RP priority with the same value, and traffic will route to the closest RP

Suggested answer: B

Explanation:

Both can be true and correct because if you check the link:

https://www.cisco.com/c/en/us/support/docs/ip/ip-multicast/115011-anycast-pim.html

Relevant running configurations

Nexus 1 relevant configuration:

ip pim rp-address 10.1.1.1 group-list 224.0.0.0/4

ip pim anycast-rp 10.1.1.1 192.168.1.1

ip pim anycast-rp 10.1.1.1 192.168.2.2

interface loopback1

ip address 192.168.1.1/32

ip router ospf 1 area 0.0.0.0

ip pim sparse-mode

interface loopback7

ip address 10.1.1.1/32

ip router ospf 1 area 0.0.0.0

ip pim sparse-mode

interface Ethernet9/2

ip address 10.7.7.1/24

ip router ospf 1 area 0.0.0.0

ip pim sparse-mode

interface Ethernet9/3

ip address 172.16.1.2/24

ip router ospf 1 area 0.0.0.0

ip pim sparse-mode

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asked 07/10/2024
adnan ayyash
43 questions
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