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Import Topology Set file format
Last Updated: July 07, 2026

When you create a Topology Set by importing a CSV file, the file must be formatted correctly.

Cable Modem CSV

The format of a CSV file for a cable modem set is as follows:

  • First line: CM
  • All subsequent lines: the MAC address of a modem

For example:

CM
2C9E5FDD60BE
3C754A33B2CC
002374F6A56F
002374F6A6CC
e8:6d:52:6e:d6:3e

CMTS CSV

The format of a CSV file for a CMTS set is as follows:

  • First line: CMTS
  • All subsequent lines: the name of a CMTS

For example:

CMTS
cmts1
cmts2
cmts3

Channel CSV

The format of a CSV file for a channel set is as follows:

  • First line: IFDESCR, CMTS, CABLEMAC, DIRECTION
  • All subsequent lines: the channel name (IFDESCR), CMTS name, MAC Domain, and direction (US or DS)

For example:

IFDESCR,CMTS,CABLEMAC,DIRECTION
cable-upstream 0/0/0.0,lowell-lab-e6k-cmts,cable-mac 1,US
cable-upstream 0/0/1.0,lowell-lab-e6k-cmts,cable-mac 1,US
cable-upstream 0/0/2.0,lowell-lab-e6k-cmts,cable-mac 1,US
cable-upstream 0/0/2.0,lowell,cable-mac 2,US