JN0-102 · Question #304
You have been asked to establish reachability between Router 1's and Router 2's loopback addresses as shown in the exhibit. Which two steps will accomplish this task? (Choose two.)
The correct answer is A. Create a static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.2. C. Create a static route on Router 2 to 172.17.25.1 with a next hop of 10.10.10.1. To establish reachability between two routers' loopback addresses, a static route must be configured on each router, pointing to the other's loopback address via the directly connected interface of the remote router.
Question
You have been asked to establish reachability between Router 1's and Router 2's loopback addresses as shown in the exhibit. Which two steps will accomplish this task? (Choose two.)
Exhibit
Options
- ACreate a static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.2.
- BCreate a static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.1.
- CCreate a static route on Router 2 to 172.17.25.1 with a next hop of 10.10.10.1.
- DCreate a static route on Router 1 to 172.17.25.1 with a next hop of 10.10.10.2.
How the community answered
(48 responses)- A81% (39)
- B6% (3)
- D13% (6)
Why each option
To establish reachability between two routers' loopback addresses, a static route must be configured on each router, pointing to the other's loopback address via the directly connected interface of the remote router.
To enable Router 1 to reach Router 2's loopback address (172.17.28.1), a static route on Router 1 must specify 172.17.28.1 as the destination and Router 2's directly connected interface IP (10.10.10.2) as the next hop.
A static route on Router 1 to 172.17.28.1 with a next hop of 10.10.10.1 is incorrect because 10.10.10.1 is Router 1's own interface address, not the next hop to reach Router 2.
To enable Router 2 to reach Router 1's loopback address (172.17.25.1), a static route on Router 2 must specify 172.17.25.1 as the destination and Router 1's directly connected interface IP (10.10.10.1) as the next hop.
A static route on Router 1 to 172.17.25.1 is incorrect because 172.17.25.1 is Router 1's own loopback, which is directly reachable, and 10.10.10.2 is the next hop to reach Router 2, not Router 1's local loopback.
Concept tested: Configuring static routes for inter-router reachability
Source: https://www.juniper.net/documentation/us/en/software/junos/routing-basics/topics/task/static-routes-configuring.html
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