The naming convention used for routers on the TOWARDEX (TWDX) backbone is as follows:
router_type:
Type/class designation of the router:
bbr Backbone Router - P/MPLS LSR dcr Distribution Core Router - PE ibr Internet Border Router (peering) acr Access Router csr Customer Serving Router csw Customer Serving Switch
interface:
Interface type and slot positioning on the device:
eh-#-#-#-# Cisco eXR EightHundredGigE (800 GbE)
fh-#-#-#-# Cisco eXR FourHundredGigE (400 GbE)
hu-#-#-#-#-# Cisco eXR Channelized 100GE broken out from 400GbE port
hu-#-#-#-# Cisco eXR HundredGigE (100 GbE)
fi-#-#-#-# Cisco eXR FiftyGigE (50 GbE)
tf-#-#-#-# Cisco eXR TwentyFiveGigE (25 GbE)
te-#-#-#-#-# Cisco eXR Channelized 10GE broken out from 40GbE port
te-#-#-#-# Cisco eXR TenGigE (10GE)
ge-#-#-#-# Cisco eXR Gigabit Ethernet
be-# Cisco eXR 802.3ad Link-Aggregation Interface, aka "Bundle-Ether"
bvi-# Cisco eXR Routed L2 domain interface
pe-# Cisco eXR Routed Pseudowire-Headend interface, aka "PW-Ether"
et-#-#-# Juniper 100/400 Gigabit Ethernet
xe-#-#-# Juniper 10 Gigabit Ethernet
xe-#-#-#-# Juniper Channelized 10GE broken out from 40GbE port
example: xe-0/0/48:0 is denoted as xe-0-0-48-0
ae-# Juniper 802.3ad Link-Aggregation Interface, aka "Aggregated Ethernet"
ge-#-#-# Juniper Gigabit Ethernet
irb-# Juniper Routed L2 domain or logical tunnel head-end interface
(Enhanced L2 Software on New Generation EX & QFX and MX Routers)
bdi-# Cisco IOS XE Routed L2 domain interface
vlan# Any Vendor VLAN (SVI/802.1Q)
locode:
Location/Common Site Code for the router:
BBY01 Boston, MA Back Bay (800 Boylston) BOS01 Cambridge, MA (300 Bent Street) BSN01 Somerville, MA (Legacy CISN colo) BSN04 Somerville, MA (70 Inner Belt - Joint Network Facilities BSN 04) BSN05 Somerville, MA (70 Inner Belt) BST02 Boston, MA (230 Congress Street) BST03 Boston, MA (1 Summer - 4th Flr) BLR01 Billerica, MA (EdgeConneX EDCBOS01) BRN01 Brockton, MA CEF01 Springfield, MA CHF01 Chelmsford, MA CHT01 Charlton, MA LWL01 Lowell, MA NDH01 Needham, MA NDH02 Needham, MA (105 Cabot) ORH01 Worcester, MA STB01 Sturbridge, MA JFK01 New York, NY (111 8th Ave) NYK01 New York, NY (60 Hudson) NYM01 New York, NY (32 Avenue of Americas) EWR01 Newark, NJ (165 Halsey) EWR02 Secaucus, NJ (2 Emerson Ln) IAD01 Ashburn, VA (Equinix) ORD01 Chicago, IL (350 E Cermak) PVD01 Providence, RI (Level 3 - 375 Promenade St) RES01 Reston, VA (CoreSite Reston) SBO01 South Boston, MA (Fan Pier/Seaport Blvd)
CUST-NAME.(upstream_router_type).(locode).twdx.net
CUST-NAME is capitalized string of the customer name. It is truncated at 11 characters.
upstream_router_type and locode signify the upstream TOWARDEX router providing connectivity to that customer.
(network_name)-px.twdx.net
network_name: specifies name of the network that is interconnecting with TOWARDEX.
-px: stands for Private Exchange (PX) to signify a Private Network Interconnect (minimum speed 10GE).
bbr01-xe-11-1-0.bos01 Juniper 10G interface 11/1/0, Backbone Router 1 in Cambridge, MA (BOS01) dcr01-ae-0-330.bst03 LACP sub-interface ae0.330, Data Center Router 1 in Boston, MA (BST03) csw07-vlan220.bst02 Routed VLAN interface 220, Customer Serving Switch 7 in Boston, MA (BST02) ACME-CORPOR.csw01.ewr01 Customer router belonging to "ACME CORPORATION", connected to Customer Serving Switch 1 in Newark, NJ (ewr01) acmecorp-px PNI to a private peer 'acme corp' - peer's side of the connection