JN0-102 · Question #98
inet.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, = Both 172.23.10.0/24 [Direct/0] 21:59:56 >via ge-0/0/6.0 172.23.10.100/32 [Local/0] 22:00:10 Local
The correct answer is B. Configure a default static route. C. Configure a static route to 172.23.14.0/24.. Users cannot reach the 172.23.14.0/24 subnet because it lacks a specific route; adding either a direct static route for that subnet or a default static route would solve this problem.
Question
inet.0: 4 destinations, 4 routes (4 active, 0 holddown, 0 hidden) + = Active Route, - = Last Active, * = Both 172.23.10.0/24 *[Direct/0] 21:59:56 >via ge-0/0/6.0 172.23.10.100/32 *[Local/0] 22:00:10 Local via ge-0/0/6.0 172.23.12.0/24 *[Static/5] 00:01:36 >to 172.23.10.1 via ge-0/0/6.0 172.23.15.0/24 *[Static/5] 00:01:36 >to 172.23.10.1 via ge-0/0/6.0 Users are unable to access resources in the 172.23.14.0/24 subnet. Referring to the exhibit, which two actions would solve this problem? (Choose two.)
Options
- AConfigure a separate routing instance.
- BConfigure a default static route.
- CConfigure a static route to 172.23.14.0/24.
- DConfigure the existing routes to resolve the indirect next hop.
How the community answered
(51 responses)- A20% (10)
- B43% (22)
- D37% (19)
Why each option
Users cannot reach the 172.23.14.0/24 subnet because it lacks a specific route; adding either a direct static route for that subnet or a default static route would solve this problem.
Configuring a separate routing instance would isolate routing information and is not a suitable action for simply adding a missing route to the primary routing table (`inet.0`).
Configuring a default static route (`0.0.0.0/0`) would ensure that any traffic destined for subnets not explicitly in the routing table, including `172.23.14.0/24`, is forwarded to a specified next-hop, providing a catch-all solution.
The most direct solution is to configure a specific static route for `172.23.14.0/24` with the correct next-hop address, explicitly informing the router how to forward traffic to that particular subnet.
The existing static routes already have resolved indirect next-hops, and modifying them would not help in routing traffic to the currently unreachable `172.23.14.0/24` subnet.
Concept tested: Missing route troubleshooting
Source: https://www.juniper.net/documentation/us/en/software/junos/static-routing/topics/topic-map/static-routes-configuring.html
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