Page 2 - Alcatel
ii OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 This user guide documents release 5.1.6 of the OmniSwitch 6600 Family. The functionality described in this guide is subject to change without notice. Copyright © 2005 by Alcatel Internetworking, Inc. All rights reserved. This ...
Page 5 - About This Guide; Advanced Routing Configuration Guide; Supported Platforms; stack; Unsupported Platforms
OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page v About This Guide This OmniSwitch 6600 Family Advanced Routing Configuration Guide describes how to set up and moni- tor advanced routing protocols for operation in a live network environment. The routing protocols describe...
Page 6 - Who Should Read this Manual?; OmniSwitch 6600 Family Switch Management Guide; What is in this Manual?; Family
Who Should Read this Manual? About This Guide page vi OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Who Should Read this Manual? The audience for this user guide is network administrators and IT support personnel who need to config-ure, maintain, and monitor switches and rou...
Page 7 - How is the Information Organized?; Quick Information; Documentation Roadmap; Stage 1: Using the Switch for the First Time
About This Guide How is the Information Organized? OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page vii How is the Information Organized? Quick Information . The chapter includes a specifications table that lists RFCs and IEEE specifications supported by the software featu...
Page 8 - Stage 2: Gaining Familiarity with Basic Switch Functions
Documentation Roadmap About This Guide page viii OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Stage 2: Gaining Familiarity with Basic Switch Functions Pertinent Documentation: OmniSwitch 6600 Family Hardware Users Guide OmniSwitch 6600 Family Switch Management Guide Once yo...
Page 9 - Related Documentation; Technical Tips, Field Notices
About This Guide Related Documentation OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page ix Related Documentation The following are the titles and descriptions of all the OmniSwitch 6600 Family user manuals: • OmniSwitch 6600 Family Getting Started Guide Describes the hardw...
Page 10 - User Manual CD; format and; Technical Support
User Manual CD About This Guide page x OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 User Manual CD All user guides for the OmniSwitch 6600 Family are included on the User Manual CD that accompanied your switch. This CD also includes user guides for other Alcatel data enterp...
Page 11 - Configuring OSPF; link state; In This Chapter; OmniSwitch CLI Reference Guide
OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-1 1 Configuring OSPF Open Shortest Path First routing (OSPF) is a shortest path first (SPF), or link state , protocol. OSPF is an interior gateway protocol (IGP) that distributes routing information between routers in a si...
Page 12 - OSPF Specifications; RFCs Supported
OSPF Specifications Configuring OSPF page 1-2 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 OSPF Specifications RFCs Supported 1370—Applicability Statement for OSPF1587—The OSPF NSSA Option1850—OSPF Version 2 Management Information Base2328—OSPF Version 23101—The OSPF Not-So...
Page 13 - OSPF Defaults Table; Parameter Description
Configuring OSPF OSPF Defaults Table OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-3 OSPF Defaults Table The following table shows the default settings of the configurable OSPF parameters. Parameter Description Command Default Value/Comments Enables OSPF. ip ospf stat...
Page 14 - OSPF Quick Steps; vlan; OmniSwitch 6600 Family Network Configuration Guide
OSPF Quick Steps Configuring OSPF page 1-4 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 OSPF Quick Steps The followings steps are designed to show the user the necessary set of commands for setting up a router to use OSPF: 1 Create a VLAN using the vlan command. For example...
Page 15 - ip ospf interface area
Configuring OSPF OSPF Quick Steps OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-5 9 Assign the OSPF interface to the area and the backbone using the ip ospf interface area command. For example: -> ip ospf interface 120.1.4.1 area 0.0.0.0 or -> ip ospf interface ...
Page 16 - You can display OSPF area settings using the; show ip ospf area; You can display OSPF interface settings using the; show ip ospf interface
OSPF Quick Steps Configuring OSPF page 1-6 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 12 You can display OSPF area settings using the show ip ospf area command. For example: 13 You can display OSPF interface settings using the show ip ospf interface command. For example: ...
Page 17 - OSPF Overview; OSPF Hello Protocol
Configuring OSPF OSPF Overview OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-7 OSPF Overview Open Shortest Path First routing (OSPF) is a shortest path first (SPF), or link-state, protocol. OSPF is an interior gateway protocol (IGP) that distributes routing informatio...
Page 18 - OSPF Areas; area
OSPF Overview Configuring OSPF page 1-8 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 OSPF Areas OSPF allows collections of contiguous networks and hosts to be grouped together as an area . Each area runs a separate copy of the basic link-state routing algorithm (usually cal...
Page 19 - Classification of Routers; Internal routers; routers run a single copy of the SPF algorithm.; Area border routers
Configuring OSPF OSPF Overview OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-9 Classification of Routers When an AS is split into OSPF areas, the routers are further divided according to function into the follow-ing four overlapping categories: • Internal routers . A ...
Page 20 - Virtual Links; virtual links; OSPF Routers Connected with a Virtual Link; “Creating Virtual Links” on page 1-25
OSPF Overview Configuring OSPF page 1-10 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Virtual Links It is possible to define areas in such a way that the backbone is no longer contiguous. (This is not an ideal OSPF configuration, and maximum effort should be made to avoid t...
Page 21 - Stub Areas; stub areas; OSPF Stub Area; “Creating an Area” on page 1-18
Configuring OSPF OSPF Overview OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-11 Stub Areas OSPF allows certain areas to be configured as stub areas . A stub area is an area with routers that have no AS external Link State Advertisements (LSAs). In order to take advant...
Page 22 - Totally Stubby Areas; Virtual links cannot be configured through totally stubby areas.; Totally Stubby Area Example; See
OSPF Overview Configuring OSPF page 1-12 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Not-So-Stubby-Areas NSSA, or not-so-stubby area, is an extension to the base OSPF specification and is defined in RFC 1587. An NSSA is similar to a stub area in many ways: AS-external LSAs...
Page 23 - Multiple Equal Cost Paths; Non Broadcast OSPF Routing; Graceful Restart on Stacks with Redundant Switches; takeover
Configuring OSPF OSPF Overview OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-13 Equal Cost Multi-Path (ECMP) Routing Using information from its continuously updated databases, OSPF calculates the shortest path to a given destination. Shortest path is determined from m...
Page 24 - graceful restart; OSPF Graceful Restart Helping and Restarting Router Example
OSPF Overview Configuring OSPF page 1-14 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 When a takeover occurs, which can be planned (e.g., the users performs the takeover) or unplanned (e.g., the primary switch unexpectedly fails), an OSPF router must reestablish full adjace...
Page 25 - Configuring OSPF; Enable OSPF. When the image file for advanced routing (
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-15 Configuring OSPF Configuring OSPF on a router requires several steps. Depending on your requirements, you may not need to perform all of the steps listed below. By default, OSPF is disa...
Page 26 - Preparing the Network for OSPF; Configure VLANs that are to be used in the OSPF network; . VLANS should be created for both the; Assign IP interfaces to the VLANs.; IP interfaces, or router ports, must be assigned to the VLAN.; Assign ports to the VLANs; Set the router identification number; . (optional) The routers participating in the OSPF network must
Configuring OSPF Configuring OSPF page 1-16 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Preparing the Network for OSPF OSPF operates on top of normal switch functions, using existing ports, virtual ports, VLANs, etc. The following network components should already be confi...
Page 27 - Activating OSPF; For OSPF to run on the router, the advanced routing image (; Loading the Software; Enabling OSPF; command at the; Removing OSPF from Memory; For the operation to take effect the switch needs to be rebooted.
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-17 Activating OSPF For OSPF to run on the router, the advanced routing image ( Hadvrout.img ) must be installed. (For infor- mation on how to install image files, see “Managing System File...
Page 28 - Creating an OSPF Area; areas; Creating an Area; “OSPF Areas” on page 1-8; ip ospf area
Configuring OSPF Configuring OSPF page 1-18 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Creating an OSPF Area OSPF allows a set of network devices in an AS system to be grouped together in areas . There can be more than one router in an area. Likewise, there can be more th...
Page 29 - Enabling and Disabling Summarization; “Setting Area Ranges” on page 1-20; Displaying Area Status
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-19 Enabling and Disabling Summarization Summarization can also be enabled or disabled when creating an area. Enabling summarization allows for ranges to be used by Area Border Routers (ABR...
Page 30 - Configuring Stub Area Default Metrics; “Configuring a
Configuring OSPF Configuring OSPF page 1-20 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Configuring Stub Area Default Metrics The default metric configures the type of cost metric that a default area border router (ABR) will advertise in the default summary Link State Adve...
Page 31 - Enter the following commands on Router B:
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-21 1 Enter the following commands on Router B: -> ip load ospf -> ip ospf area 0.0.0.0 -> ip ospf area 0.0.0.0 status enable -> ip ospf area 1.1.1.1 -> ip ospf area 1.1.1.1 ...
Page 32 - Creating OSPF Interfaces; Creating an Interface; “Creating an; “Interface Authentication” on page 1-23; Activating an Interface
Configuring OSPF Configuring OSPF page 1-22 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Creating OSPF Interfaces Once areas have been established, interfaces need to be created and assigned to the areas. Creating an Interface To create an interface, enter the ip ospf inter...
Page 33 - Interface Authentication
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-23 Interface Authentication OSPF allows for the use of authentication on configured interfaces. When authentication is enabled, only neighbors using the same type of authentication and the...
Page 34 - Modifying Interface Parameters; These parameters can be added any time. (See
Configuring OSPF Configuring OSPF page 1-24 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Modifying Interface Parameters There are several interface parameters that can be modified on a specified interface. Most of these deal with timer settings. The cost parameter and the p...
Page 35 - Creating Virtual Links; “Virtual Links” on page 1-10; Creating a Virtual Link; “Creating an OSPF; ip ospf virtual-link; Modifying Virtual Link Parameters; “Modifying Interface Parameters”
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-25 Creating Virtual Links A virtual link is a link between two backbones through a transit area. Use the ip ospf virtual-link command to create or delete a virtual link. Accepted network d...
Page 36 - Creating Redistribution Policies and Filters; “Specifying an Autonomous System Boundary Router”; Specifying an Autonomous System Boundary Router
Configuring OSPF Configuring OSPF page 1-26 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Creating Redistribution Policies and Filters Redistribution in OSPF controls the way routes are learned and distributed in the OSPF network. Non OSPF routers can be advertised into the ...
Page 37 - Creating A Redistribution Policy; OmniSwitch CLI Reference; show ip ospf redist
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-27 Creating A Redistribution Policy Once a router is set as an ASBR and redistribution is enabled, a redistribution policy can be created. This is done using the ip ospf redist command. Wh...
Page 38 - filter
Configuring OSPF Configuring OSPF page 1-28 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 In certain cases, redistribution can either be an adjacent route or a subnet. In these cases, the redistributed route can correspond to several routes. It is possible to advertise these...
Page 39 - Configuring Router Capabilities; To set the SPF timer delay to 3 and the hold time to 6, enter:; ip ospf extlsdb-limit; Creates and deletes an OSPF entry for directly attached hosts.
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-29 Configuring Router Capabilities The following list shows various commands that can be useful in tailoring a router’s performance capabili-ties. All of the listed parameters have default...
Page 40 - Configuring Static Neighbors; To set up a router to use NBMA routing, follow the following steps:; ip ospf interface; and perform all the normal config-; ip ospf interface type
Configuring OSPF Configuring OSPF page 1-30 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Configuring Static Neighbors It is possible to configure neighbors statically on Non Broadcast Multi Access (NBMA), point-to-point, and point-to-multipoint networks. NBMA requires all r...
Page 41 - Configuring Redundant Switches in a Stack for Graceful Restart; ip ospf; command by entering ip; ip ospf restart-support; ip ospf restart-interval; Initiates a planned graceful restart.
Configuring OSPF Configuring OSPF OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-31 Configuring Redundant Switches in a Stack for Graceful Restart By default, OSPF graceful restart is disabled. To configure OSPF graceful restart support use the ip ospf restart-support ...
Page 42 - OSPF Application Example; Three Area OSPF Network
OSPF Application Example Configuring OSPF page 1-32 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 OSPF Application Example This section will demonstrate how to set up a simple OSPF network. It uses three routers, each with an area. Each router uses three VLANs. A backbone co...
Page 43 - Step 1: Prepare the Routers; OmniSwitch 6600 Family Network Configuration Guide.; Router 1
Configuring OSPF OSPF Application Example OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-33 Step 1: Prepare the Routers The first step is to create the VLANs on each router, add an IP interface to the VLAN, assign a port to the VLAN, and assign a router identification ...
Page 44 - Router 2
OSPF Application Example Configuring OSPF page 1-34 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Router 2 (using ports 2/1 and 2/2 for the backbone, and ports 2/3-5 for end devices): -> vlan 12 -> ip interface vlan-12 vlan 12 address 12.0.0.2 mask 255.0.0.0 -> vlan...
Page 45 - Step 3: Create and Enable the Areas and Backbone; The commands for this step are below:; “Step 1: Prepare the Routers” on
Configuring OSPF OSPF Application Example OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-35 Step 2: Enable OSPF The next step is to load and enable OSPF on each router. The commands for this step are below (the commands are the same on each router): -> ip load ospf ...
Page 47 - Router 3; Step 5: Examine the Network; For OSPF in general, use the; show ip ospf; For interfaces, use the; To check for adjacencies formed with neighbors, use the; show ip ospf neighbor
Configuring OSPF OSPF Application Example OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page 1-37 -> ip ospf interface vlan-20 -> ip ospf interface vlan-20 area 0.0.0.2 -> ip ospf interface vlan-20 status enable Router 3 -> ip ospf interface 23.0.0.3 -> ip osp...
Page 48 - Verifying OSPF Configuration; show; “OSPF Quick Steps” on page 1-4
Verifying OSPF Configuration Configuring OSPF page 1-38 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Verifying OSPF Configuration To display information about areas, interfaces, virtual links, redistribution, or OPSF in general, use the show commands listed in the following...
Page 49 - A Software License and; Alcatel License Agreement; SOFTWARE LICENSE AGREEMENT
OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page A-1 A Software License and Copyright Statements This appendix contains Alcatel and third-party software vendor license and copyright statements. Alcatel License Agreement ALCATEL INTERNETWORKING, INC. (“AII”) SOFTWARE LICENS...
Page 50 - Limitation of Liability.; Except as may be provided in a separate agreement between AII and
Alcatel License Agreement Software License and Copyright Statements page A-2 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 3. Confidentiality. AII considers the Licensed Files to contain valuable trade secrets of AII, the unautho- rized disclosure of which could cause irrepa...
Page 51 - laws of the State of California.; Notes to United States Government Users.; Software and documentation are provided with restricted; Third Party Materials.; “Third Party Licenses and
Software License and Copyright Statements Alcatel License Agreement OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page A-3 10. Governing Law. This License Agreement shall be construed and governed in accordance with the laws of the State of California. 11. Severability. Shou...
Page 52 - Third Party Licenses and Notices; A. Booting and Debugging Non-Proprietary Software; Redistributions must contain a verbatim copy of this document.
Third Party Licenses and Notices Software License and Copyright Statements page A-4 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Third Party Licenses and Notices The licenses and notices related only to such third party software are set forth below: A. Booting and Debugging...
Page 53 - Preamble
Software License and Copyright Statements Third Party Licenses and Notices OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page A-5 C. Linux Linux is written and distributed under the GNU General Public License which means that its source code is freely-distributed and availab...
Page 54 - the date of any change.
Third Party Licenses and Notices Software License and Copyright Statements page A-6 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 verbatim or with modifications and/or translated into another language. (Hereinafter, translation is included without limitation in the term “mod...
Page 56 - NO WARRANTY
Third Party Licenses and Notices Software License and Copyright Statements page A-8 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 consistent application of that system; it is up to the author/donor to decide if he or she is willing to distrib-ute software through any other s...
Page 57 - Appendix: How to Apply These Terms to Your New Programs; For notice when this page changes, fill in your email address.
Software License and Copyright Statements Third Party Licenses and Notices OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 page A-9 Appendix: How to Apply These Terms to Your New Programs If you develop a new program, and you want it to be of the greatest possible use to the p...
Page 58 - E. University of California
Third Party Licenses and Notices Software License and Copyright Statements page A-10 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Material copyright Linux Online Inc. Design and compilation copyright (c)1994-2002 Linux Online Inc. Linux is a registered trademark of Linus To...
Page 60 - M.Network Time Protocol Version 4
Third Party Licenses and Notices Software License and Copyright Statements page A-12 OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 L. Wind River Systems, Inc. Provided with this product is certain software (“Run-Time Module”) licensed from Wind River Systems, Inc. Licensee i...
Page 61 - Index
OmniSwitch 6600 Family Advanced Routing Configuration Guide March 2005 Index-1 Index A application examples OSPF 1-4, 1-32 area border routers 1-8, 1-9 areas 1-8 assigning interfaces 1-22 backbones 1-8 border routers 1-8 creating 1-18 deleting 1-19 enabling 1-18 NSSAs 1-12 ranges 1-20 route metrics ...