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Add note about photos

CENIC Operational Data

This page captures information for CENIC InstaGENI rack and regional that is intended for Operators. The goal is to capture site contacts, connectivity, and VLANs. See attachments for photos of the rack as installed in 2014.


Site contact information for InstaGENI CENIC.

Contact Name: CENIC FOAM admins Contact Email:

Data Plane

This section captures Data plane information for CENIC OpenFlow switches and InstaGENI Rack detailing site topology, VLAN, Network Providers (I2/Regional) and network address information.

Data plane connectivity diagram

Stitching path for GENI aggregates in CA connected to CENIC regional is through Internet2 ION.

Original network diagram] for COTN (CENIC OpenFlow network) showing OpenFlow network and potential CA aggregate connections. (NLR connections obsolete.) This diagram predates the 100G connection to I2 AL2S at CENIC, which is shown as a potential conneciton on the rack network diagram above.

.png version of original CENIC network diagram

Layer 2 information for InstaGENI Rack

Circuits VLANs, network connection end-points, and purposes of VLANs.

Rack Data Plane 5406

PortConnects ToVLAN Config*
A1 pc1[eth1]
A2 pc1[eth2]
A3 pc1[eth3]
A4 pc2[eth1]
A5 pc2[eth2]
A6 pc2[eth3]
A7 pc3[eth1]
A8 pc3[eth2]
A9 pc3[eth3]
A10 pc4[eth1]
A11 pc4[eth2]
A12 pc4[eth3]
A13 pc5[eth1]
A14 pc5[eth2]
A15 pc5[eth3]
A19 losa4-agg-sw-1 T 1750

Layer 3 information for InstaGENI rack

If applicable, provide layer 3 information. If not applicable, replace with "none".

Experimental VLANs

Provide a table of Experimental VLAN detailing VLAN numbers, the endpoints, its purposes and whether VLAN is OF or non-OF.

VLAN IDOF Controlled?Purpose
1750 Yes Transport to COTN for shared mesoscale

VLAN Translation Table


Non-VLAN Connections


Campus Connections


Public Internet


Control Plane

This section captures Control plane information for CENIC, detailing topology and network address information.

Control plane information

CENIC provides control plane connectivity for the InstaGENI rack, and they peer with multiple commercial and R&E network providers.

Resource control subnets

  • IP:
  • DNS:

Firewall/IP tables


Experiment Resources

Links to resource and network aggregates available for experimenters for CENIC:

Attachments (8)