Cisco Systems CL-28826-01 Configuring OSPFv3

54-22

User Guide for Cisco Security Manager 4.4

OL-28826-01

Chapter 54 Configuring Routing Policies on Firewall Devices

Configuring OSPFv3

Configuring OSPFv3

The OSPFv3 page provides two tabbed panels for configuring OSPF (Open Shortest Path First) version

3 routing on a firewall device.

Navigation Path

•(Device view) Select Platform > Routing > OSPFv3 from the Device Policy selector.

•(Policy view) Select PIX/ASA/FWSM Platform > Routing > OSPFv3 from the Policy Type

selector. Select an existing policy from the Shared Policy selector, or create a new one.

This is the basic procedure for configuring an OSPFv3 process and assigning it to an interface on the

OSPFv3 page:

1. On the Process Tab, page 54-24:

–

Specify which of the two processes you are configuring by choosing Process 1 or Process 2

from the OSPFv3 Process drop-down list.

–

Check Enable OSPFv3 Process.

–

Assign a Process ID; any positive integer between 1 and 65535.

–

Use the following features as needed to define the process:

–

Advanced button, opening the OSPFv3 Advanced Properties Dialog Box, page 54-25.

–

Area Tab (OSPFv3), page 54-28, for managing area, range, and virtual-link definitions, by

means of the Add/Edit Area Dialog Box (OSPFv3), page 54-29, Add/Edit Range Dialog Box

(OSPFv3), page 54-30, and Add/Edit Virtual Link Dialog Box (OSPFv3), page 54-31.

–

Redistribution panel, for managing route redistribution definitions by means of the Add/Edit

Redistribution Dialog Box (OSPFv3), page 54-32.

–

Summary Prefix panel, for managing summary-prefix definitions by means of the Add/Edit

Summary Prefix Dialog Box (OSPFv3), page 54-34.

2. On the OSPFv3 Interface Tab, page 54-34:

a. Use the Interface and Neighbor panels to assign the process to a specific interface, using the

Add/Edit Interface Dialog Box (OSPFv3), page 54-35 and the Add/Edit Neighbor Dialog Box

(OSPFv3), page 54-38.

Open Shortest Path First (OSPF) is an interior gateway routing protocol that uses link states rather than

distance vectors for path selection. Version 3 is basically OSPFv2 enhanced for IPv6. It is similar to

OSPFv2 (see About OSPF, page54-2), but it is not backward compatible. To use OSPF to route both

IPv4 and IPv6v packets, it will be necessary to run both OSPFv2 and OSPFv3 concurrently. They

co-exist with each other, but do not interact.

Note OSPFv3 is supported on ASA 9.0+ devices operating in single-context, routed mode only. That is,

multiple contexts and transparent mode are not supported.