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Redistributing Routes


This section describes the ways in which you can exchange or redistribute routes between routing protocols.

Which redistribution do you want to perform?

Two-Way Redistribution

One-Way Redistribution




To



IGRP

OSPF External

RIP

From

Aggregates:

From Aggregate Routes to IGRP

From Aggregate Routes to OSPF External

From Aggregate Routes to RIP


Interface Subnets:

Enabling/Disabling Interface Subnets to IGRP

Enabling/Disabling Interface Subnets to OSPF External

Enabling/Disabling Interface Subnets to RIP


IGRP (stub):

From IGRP to OSPF External -IGRP interface belongs to a stub network (No downstream IGRP routes)


IGRP(non-stub):

From IGRP to OSPF External -IGRP interface belongs to a non-stub network (downstream IGRP routes are present)


OSPF (stub):

From OSPF to IGRP OSPF interface belongs to a stub network (no downstream OSPF routes)

From OSPF to RIP OSPF interface belongs to a stub network (no downstream OSPF routes)


OSPF (non- stub):

From OSPF to IGRP OSPF interface belongs to a non-stub network (has downstream OSPF routes)

From OSPF to RIP OSPF interface belongs to a non-stub network (has downstream OSPF routes)


OSPF External:

From OSPF External to IGRP

From OSPF External to RIP


RIP (stub):

From RIP to OSPF External RIP interface belongs to a stub network (no downstream IP routes)


RIP (non-stub):

From RIP to OSPF External RIP interface belongs to a non-stub network (has downstream routes)


Static Routes:

From Static Routes to IGRP

From Static Routes to OSPF External

From Static Routes to RIP


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Copyright © 1997 Ipsilon Networks, Inc.
Portions copyright © Digital Equipment Corporation 1998. All rights reserved.
Updated January 8, 1998
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