Nokia Voyager Reference Manual page 24

1
Overview
addition, it is not possible to control the propagation of OSPF routes within
the OSPF protocol.
There are two types of OSPF ASE routes:
Type 1
!
Type 2
!
See the OSPF protocol configuration for a detailed explanation of the two
types.
Route Redistribution Between Protocols
The redistribute_list specifies the source of a set of routes based on
parameters like the protocol from which the source has been learned. The
redistribute_list indirectly controls the redistribution of routes between
protocols.
The syntax varies slightly per source protocol. BGP routes may be specified
by source AS. RIP and IGRP routes may be redistributed by protocol, source
interface, and/or source gateway. Both OSPF and OSPF ASE routes may be
redistributed into other protocols. All routes may be redistributed by AS path.
When BGP is configured, all routes are assigned an AS path when they are
added to the routing table. For all interior routes, this AS path specifies IGP as
the origin and no ASes in the AS path. The current AS is added when the
route is redistributed. For BGP routes, the AS path is stored as learned from
BGP.
24 Voyager Reference Guide