Fabric onlineLearning depth
EXPLORE THE FABRIC

Every packet has a story.

Follow the traffic. Inspect the decisions. Connect the layers.

DC-01 Fabric
LIVE TOPOLOGY
ROUTED IP UNDERLAYVXLAN · VNI 10010Spine0110.255.0.1Spine0210.255.0.2Leaf01VTEP10.255.10.1L2 · 10010 / 10020Leaf02VTEP10.255.10.2L2 · 10010 / 10020Leaf03VTEP10.255.10.3L2 · 10010 / 10020Leaf04BORDER · VTEP10.255.10.4L2 · 10010 / 10020Host-A172.16.10.11VLAN 10Host-B172.16.10.22VLAN 10Host-C172.16.20.33VLAN 20FIREWALL10.50.0.0/16
SOURCE172.16.10.11
DESTINATION172.16.10.22
Ready to trace
Speed
x
01

Learn the destination

Type 2 maps the host to its VTEP.

02

Cross the underlay

VXLAN adds transport headers and a VNI.

03

Deliver the frame

The remote VTEP decapsulates it.

FOLLOW THE CAUSE AND EFFECT

Make the fabric react.

Lab configuration

Host-B attachment
Tenant IP packet 1500 bytes
LIVE FORWARDING STATE

What the control plane knows.

TypeReachabilityNext hopRT
3VNI 1001010.255.10.165000:10010
3VNI 1002010.255.10.165000:10020
3VNI 1003010.255.10.165000:10030
3VNI 1001010.255.10.265000:10010
3VNI 1002010.255.10.265000:10020
3VNI 1003010.255.10.265000:10030
3VNI 1001010.255.10.365000:10010
3VNI 1002010.255.10.365000:10020
3VNI 1003010.255.10.365000:10030
3VNI 1001010.255.10.465000:10010
3VNI 1002010.255.10.465000:10020
3VNI 1003010.255.10.465000:10030
200:00:00:00:10:11172.16.10.1110.255.10.165000:10010
200:00:00:00:10:22172.16.10.2210.255.10.365000:10010
200:00:00:00:20:33172.16.20.3310.255.10.465000:10020
510.50.0.0/1610.255.10.465000:50000