Free D-SNC-DY-00 Exam Braindumps (page: 3)

Page 3 of 13

Refer to the exhibit.



What is the purpose of the static route?

  1. Provide a route to the 12.0.0.0 network.
  2. Provide a route to the 192.168.45.0 network.
  3. Verify that the 12.0.0.0 network is active and reachable.
  4. Verify that devices in VLAN 45 are reachable.

Answer(s): A

Explanation:

The static route shown in the exhibit S* 12.0.0.0/16 via 192.168.45.254 Vlan45 is used to provide a route to the 12.0.0.0 network. This static route directs traffic destined for the 12.0.0.0/16 network through the gateway at 192.168.45.254, which is associated with VLAN 45. This configuration is typically used to ensure that traffic can reach a specific network via a defined path.


Reference:

Dell Technologies SONiC Routing Guide

Dell Networking Configuration Guide



An administrator for a service provider uses this command on a switch:



What is the result of running the command?

  1. Maps the VLAN traffic that a CVLAN identifies to a VNI on a VTEP
  2. Maps the VLAN traffic that a TPID identifies to a VNI on a VTEP
  3. Maps the VLAN traffic that an SVLAN identifies to a VNI on a VTEP

Answer(s): C

Explanation:

The command interface vxlan vtep-stacking followed by map vni 10010 vlan 100 maps the VLAN traffic that an SVLAN identifies to a VNI on a VTEP. In this context, SVLAN (Service VLAN) is being mapped to a VXLAN Network Identifier (VNI) for encapsulation and transport across the VXLAN tunnel.


Reference:

Dell Technologies SONiC documentation

VXLAN Configuration Guide



How many times must BGP be configured when running symmetric IRB with two VFRs?

  1. 3
  2. 5
  3. 2
  4. 4

Answer(s): C

Explanation:

When running symmetric Integrated Routing and Bridging (IRB) with two Virtual Forwarding Routers (VFRs), BGP must be configured twice. Each VFR will have its own BGP instance to handle the routing information.


Reference:

Dell Technologies SONiC Routing Guide

Dell Networking Configuration Guide



DRAG DROP (Drag and Drop is not supported)

What is the correct order of steps for data flow in asymmetric IRB frame encapsulation?

  1. See Explanation section for answer.

Answer(s): A

Explanation:

Ingress VTEP performs a route lookup that is based on the destination IP address.

Ingress VTEP encapsulates the packet with VXLAN and sends it on the appropriate VNI segment.

Egress VTEP determines that the host is local to the VNI and switches the packet.

Egress VTEP bridges the packet after decapsulation.

Steps and Correct Order:

Ingress VTEP performs a route lookup that is based on the destination IP address.

The ingress VTEP (Virtual Tunnel Endpoint) first needs to determine the next hop for the packet. This involves performing a route lookup using the destination IP address.

Ingress VTEP encapsulates the packet with VXLAN and sends it on the appropriate VNI segment.

Once the route lookup is complete, the ingress VTEP encapsulates the packet in a VXLAN header, which includes the appropriate VNI (VXLAN Network Identifier) segment, and forwards it.

Egress VTEP determines that the host is local to the VNI and switches the packet.

The egress VTEP receives the encapsulated VXLAN packet, decapsulates it, and then checks its local VNI to determine if the destination host is within the same VNI.

Egress VTEP bridges the packet after decapsulation.

After determining the destination host's locality, the egress VTEP bridges the packet to the appropriate interface to deliver it to the final destination.


Reference:

Dell Technologies Networking - SONiC

Dell Enterprise SONiC Deployment Guide

These steps provide a comprehensive guide to understand the correct order of operations in asymmetric IRB (Integrated Routing and Bridging) frame encapsulation within a VXLAN environment.



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