JN0-682 Exam Dumps - Data Center Professional (JNCIP-DC)

To accommodate the extra header information added by VXLAN, which can be 50 to 54 bytes, it's necessary to increase the MTU (Maximum Transmission Unit) on the physical interfaces connected to the VXLAN network. This ensures that the larger frames can be transmitted without fragmentation, maintaining efficient network performance.

In an EVPN environment, VRF (Virtual Routing and Forwarding) import policies along with community values can be used to selectively accept certain MAC advertisement routes. These policies can be configured to include or exclude specific routes based on community values, allowing for granular control over the routes accepted from EVPN peers.

References:

• Juniper Networks - EVPN for VXLAN Configuration Guide

Virtual Routing and Forwarding (VRF) instances allow multiple virtual routing tables to exist on a single physical router. Each VRF has its own independent routing table, which allows network paths to be segmented without interference from other VRFs. This design supports overlapping IP address spaces, enabling the same IP subnet to be used in different VRFs without conflict.

References

• Virtual Routing and Forwarding

Edge-routed bridging architecture fits all the criteria: routing occurs on leaf devices, VTEPs terminate on the leaf devices, facilitates inter-VLAN communication, and provides lower latency for East-West traffic due to its distributed nature.

A. In EVPN based VXLAN implementations, MAC addresses are propagated through BGP updates, which helps in efficient and scalable MAC address dissemination across the network.

C. The movement of a virtual host in an EVPN VXLAN environment triggers the dynamic remapping of the VTEP (VXLAN Tunnel Endpoint), ensuring that traffic is always routed to the current location of the host.

References:

• Juniper Networks - EVPN VXLAN Configuration Guide