
Configuring IP Services
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303528-A Rev 00
Configuring External Route Preference
By default, when OSPF receives multiple AS-external LSAs for the same
destination, OSPF applies the preference rules specified by RFC 1583.
You can use Site Manager to configure OSPF to apply the preference rules
specified by RFC 1583. These rules are designed to prevent routing loops when
AS-external LSAs for the same destination originate from different areas.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. The IP menu opens.
3. Choose
OSPF
. The OSPF menu opens.
4. Choose
Global
. The Edit OSPF Global Parameters
window opens.
5. Set the
Set the RFC 1583 Compatibility
parameter. Site Manager: RFC 1583
Compatibility parameter: page A-71
6. Click on
OK
. Site Manager returns you to the
Configuration Manager window.
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