Ever wondered what “xe” means in traceroutes?
Interface Naming
Cisco IOS
- po – Port Channel
- be – Bundle Ethernet (LACP)
- fa – FastEthernet – 10/100Mbps
- gi – GigabitEthernet – 10/100/1000Mbps
- tw – TwoGigabitEthernet – 2.5Gbps
- te – TenGigabitEthernet – 10Gbps
- twe – TwentyFiveGigE – 25Gbps
- fo – FortyGigabitEthernet – 40Gbps
- hu – HundredGigE – 100Gbps
- th – TwoHundredGigE – 200Gbps
- fh – FourHundredGigE – 400Gbps
Juniper JunOS
- ae – Aggregated Ethernet (LACP)
- fe – 10/100Mbps
- ge – 1Gbps
- xe – 10Gbps
- et – 40Gbps
- et – 100Gbps
- et – 400Gbps
Other common carrier abbreviations
Interface naming
- lag / lagg – Link Aggregation (LACP)
Router designation
- ccr – Customer Core Router
- rtr/rcr – Regional Core Router
- bbr – Backbone Router
- dcr – Distribution Core Router
- ibr – Internet Border Router
- acr – Access Router
- agr – Aggregation Router
- csr – Customer Serving Router
- csw – Customer Serving Switch
- pe – Provider Edge
- dist – Distribution
- cor – Core
Vendor names
- ar – Arista