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Troubleshooting Duplicate Router IDs with OSPF [IP Routing]
This document explains how a router that runs Open Shortest Path First (OSPF) selects a router ID, in what packets this value is sent, and how to troubleshoot router log messages that report duplicate IDs.
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080117102.shtml
24 Apr 2012
Troubleshooting OSPF [IP Routing]
This document provides troubleshooting information for common problems with Open Shortest Path First (OSPF).
References: 4 TAC | 1 Support Community - View All
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00800949f7.shtml
15 Sep 2008
Open Shortest Path First (OSPF)
...on Type 5 LSA Path Selection Troubleshooting Duplicate Router IDs with OSPF Troubleshooting OSPF Understanding Policy Routing...
www.cisco.com/en/US/tech/tk365/tk480/tsd_technology_support_sub-protocol_home.html
09 Oct 2010
OSPF Design Guide
The Open Shortest Path First (OSPF) protocol, defined in RFC 2328, is an Interior Gateway Protocol used to distribute routing information within a single Autonomous System. This paper examines how OSPF works and how it can be used to design and build today's large and complicated networks.
References: 14 TAC | 3 Support Community - View All
www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094e9e.shtml
10 Aug 2005
OSPF Database Explanation Guide [IP Routing]
This guide shows sample configurations of Open Shortest Path First (OSPF) in different network environments. Specifically, the purpose of this guide is to examine the OSPF database in various environments. The examples fall into the following categories:
www.cisco.com/en/US/tech/tk365/technologies_white_paper09186a0080094202.shtml
10 Aug 2005
IP Routing Troubleshooting TechNotes
... 28/Mar/2005 Troubleshooting Duplicate Router IDs with OSPF 24/Apr/2012 Troubleshooting OSPF 15/Sep/2008...
www.cisco.com/en/US/tech/tk365/tsd_technology_support_troubleshooting_technotes_list.html
25 Apr 2005
OSPF Neighbor Problems Explained [IP Routing]
This document explains common problems with getting Open Shortest Path First (OSPF) neighbors to become fully adjacent. In a successful formation of OSPF adjacency, OSPF neighbors will attain the FULL neighbor state.
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a0080094050.shtml
10 Aug 2005
Preventing Duplicate EIGRP Router IDs [IP Routing]
...Discussions Duplicate Enhanced...EIGRP) router IDs can cause problems with the redistribution...Path First (OSPF). The...selected as the router ID. If...document started with a cleared...routers with duplicate EIGRP router IDs can be understood...
www.cisco.com/en/US/tech/tk365/technologies_tech_note09186a00800949ab.shtml
18 Jan 2008
Technical Services News - May 2012
...New documents or documents with major updates (italicized...Filtering Tech Note: Troubleshooting Duplicate Router IDs with OSPF Security and VPN Configuration...
www.cisco.com/web/services/news/ts_newsletter/archives/201205.html
17 May 2012
Implementing OSPF - Cisco ASR 9000 Series Aggregation Services Router Routing Configuration Guide, Release 4.3.x [Cisco ASR 9000 Series Aggregation Services Routers]
...a 32-bit number with no relationship to...Software introduces new OSPF configuration fundamentals...levels such as at the router, area, and interface...maintenance, and troubleshooting of OSPF configurations...be supported. With CLI inheritance...
www.cisco.com/en/US/docs/routers/asr9000/software/asr9k_r4.3/routing/configuration/guide/b_routing_cg43xasr9k_chapter_0110.html
21 Dec 2012