350-501 Exam Results

The configuration shown indicates that R1 has been configured to support Label Distribution Protocol (LDP) graceful restart. This means that R1 will maintain the forwarding state during an LDP restart, allowing it to continue forwarding packets along known routes while it re-establishes LDP neighbors/peers. This ensures minimal disruption to traffic flow during such events. References: Implementing and Operating Cisco Service Provider Network Core Technologies source documents or study guide

The issue of the OSPF domain receiving only the 172.17.1.0/24 route and not the default route 0.0.0.0/0 can be resolved by configuring OSPF to propagate default routes. Let’s take a look at the options:

• Option A: The configuration includes the following commands:
• router ospf 1
• default-information originate
• end

This configuration generates a default route into the OSPF domain, which is missing in this scenario.

IOS XE:

It uses linux-based kernel

It has a separate control plane

IOS:

It is monolithic

It shares memory space