STANDARD Revision 1.0
C4® CMTS Release 8.3 User Guide
© 2016 ARRIS Enterprises LLC. All Rights Reserved.
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Chapter 15
Interface IP Configuration
Overview .......................................................................................... 428
Subinterfaces (Multiple VRIs per VRF) for IPv4 ................................ 428
Interface Configuration .................................................................... 431
802.1Q VLAN Tagging (Q-tags) ......................................................... 435
Loopback Interfaces for Routing Protocols ...................................... 438
Configuring IP Static Routes ............................................................. 441
Multiple VRFs ................................................................................... 441
Link Aggregation ............................................................................... 446
Overview
This section outlines the basic configuration tasks required to implement routing (layer 3) functionality in the C4/c CMTS.
Subinterfaces (Multiple VRIs per VRF) for IPv4
A subinterface is a Virtual Router Interface (VRI), a logical layer 3 interface. Multiple subinterfaces may be defined on a
single interface and associated with the same VRF.