Carrier Access Adit 3000 Series and Multi-Service Router (MSR) Card none - Manual (Page 369)

Adit 3000 (Rel. 1.6) and MSR Card (Rel 2.0) CLI 16-3
Configuration - OSPF Mode
compatible rfc1583
Use the Router OSPF compatible rfc1583 command to restore the method used to calculate summary
route costs per RFC 1583. To disable RFC 1583 compatibility, see the no compatible rfc1583 command
on page 16-8.
Syntax:
(config-ospf)# compatible rfc1583
Example:
(config-ospf)# compatible rfc1583
Supported Platforms: Adit 3104, Adit 3200, Adit 3500, MSR