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Part No. 303543-A Rev 00October 1998BayRS Version 13.00Site Manager Software Version 7.00 Configuring Traffic Filters and Protocol Prioritization

Configuring Traffic Filters and Protocol Prioritization6-12303543-A Rev 00To add predefined criteria, ranges, and actions, or delete any criterion, ra

Applying Inbound Traffic Filters303543-A Rev 006-13 Figure 6-6. Edit Filters Window

Configuring Traffic Filters and Protocol Prioritization6-14303543-A Rev 00Table 6-2. Using the Edit Filters Window Task Site Manager Procedure NotesA

Applying Inbound Traffic Filters303543-A Rev 006-15 Enabling or Disabling an Inbound Traffic FilterThere may be times when you want to turn off a filt

Configuring Traffic Filters and Protocol Prioritization6-16303543-A Rev 00Deleting an Inbound Traffic FilterDeleting an inbound traffic filter permane

Applying Inbound Traffic Filters303543-A Rev 006-17 Specifying User-Defined CriteriaThe Edit Filters window and Edit Template window provide a User-De

Configuring Traffic Filters and Protocol Prioritization6-18303543-A Rev 00Figure 6-7. Add User-Defined Field WindowChanging Inbound Traffic Filter Pre

Applying Inbound Traffic Filters303543-A Rev 006-19 Figure 6-8. Filters Window Showing Filter PrecedenceTo change the order of precedence for inbound

Configuring Traffic Filters and Protocol Prioritization6-20303543-A Rev 00Figure 6-9. Change Precedence WindowFigure 6-10. Filters Window Showing New

303543-A Rev 007-1 Chapter 7Applying Outbound Traffic FiltersThis chapter describes how to use the Configuration Manager to configure outbound traffic

303543-A Rev 00xiFiguresFigure 2-1. Protocol Prioritization Dequeuing ...2-3Figure 2-2. Ban

Configuring Traffic Filters and Protocol Prioritization7-2303543-A Rev 00Displaying the Priority/Outbound Filters WindowYou must complete the followin

Applying Outbound Traffic Filters303543-A Rev 007-3 Figure 7-1. Displaying the Priority/Outbound Filters WindowFigure 7-2. Priority/Outbound Filters W

Configuring Traffic Filters and Protocol Prioritization7-4303543-A Rev 00Preparing Outbound Traffic Filter TemplatesTo add an outbound traffic filter

Applying Outbound Traffic Filters303543-A Rev 007-5 5. Choose Criteria > Add > Datalink | IP > criterion.To configure filters for IP-routed p

Configuring Traffic Filters and Protocol Prioritization7-6303543-A Rev 00Figure 7-3. Filter Template Management WindowFigure 7-4. Create Priority/Outb

Applying Outbound Traffic Filters303543-A Rev 007-7 Specifying Prioritization LengthWhen you select the Length action in the Create Priority/Outbound

Configuring Traffic Filters and Protocol Prioritization7-8303543-A Rev 004. Select High, Low, or Normal as the queue in which a packet is placed if th

Applying Outbound Traffic Filters303543-A Rev 007-9 Customizing TemplatesThere are two ways to customize a filter template:• Copy an existing template

Configuring Traffic Filters and Protocol Prioritization7-10303543-A Rev 00Editing a TemplateAfter you create or copy a template, edit it as follows:Ta

Applying Outbound Traffic Filters303543-A Rev 007-11 Figure 7-6. Edit Priority/Outbound Template Window

xii303543-A Rev 00Figure 7-6. Edit Priority/Outbound Template Window ...7-11Figure 7-7. Create Filter Win

Configuring Traffic Filters and Protocol Prioritization7-12303543-A Rev 00Table 7-1. Using the Edit Priority/Outbound Template Window Task Site Manag

Applying Outbound Traffic Filters303543-A Rev 007-13 Creating an Outbound Traffic FilterYou create an outbound traffic filter by applying a filter tem

Configuring Traffic Filters and Protocol Prioritization7-14303543-A Rev 00Figure 7-7. Create Filter WindowEditing an Outbound Traffic Filter After you

Applying Outbound Traffic Filters303543-A Rev 007-15 To add predefined criteria, ranges, and actions, or delete any criterion, range, or action:Site M

Configuring Traffic Filters and Protocol Prioritization7-16303543-A Rev 00Figure 7-8. Edit Priority/Outbound Filters Window

Applying Outbound Traffic Filters303543-A Rev 007-17 Table 7-2. Using the Edit Priority/Outbound Filters Window Task Site Manager Procedure NotesAdd

Configuring Traffic Filters and Protocol Prioritization7-18303543-A Rev 00Enabling or Disabling an Outbound Traffic Filter There may be times when you

Applying Outbound Traffic Filters303543-A Rev 007-19 Deleting an Outbound Traffic FilterDeleting an outbound traffic filter permanently removes the fi

Configuring Traffic Filters and Protocol Prioritization7-20303543-A Rev 00Specifying User-Defined CriteriaThe Edit Priority/Outbound Filters window an

Applying Outbound Traffic Filters303543-A Rev 007-21 Figure 7-9. Add User-Defined Field WindowChanging Outbound Traffic Filter Precedence You can assi

303543-A Rev 00xiiiTablesTable 1-1. Predefined Inbound Traffic Filter Criteria ...1-8Table 1-2. Predefi

Configuring Traffic Filters and Protocol Prioritization7-22303543-A Rev 00Figure 7-10. Priority/Outbound Filters Window Showing Filter PrecedenceTo ch

Applying Outbound Traffic Filters303543-A Rev 007-23 Figure 7-11. Change Precedence WindowFigure 7-12. Priority/Outbound Filters Window Showing New Or

303543-A Rev 00A-1 Appendix ASite Manager Protocol Prioritization ParametersThis appendix contains reference information for the Site Manager protocol

Configuring Traffic Filters and Protocol PrioritizationA-2303543-A Rev 00Priority Interface Parameter DescriptionsUse the following descriptions as gu

Site Manager Protocol Prioritization Parameters303543-A Rev 00A-3 Parameter: Normal Queue SizePath: Configuration Manager > interface connector >

Configuring Traffic Filters and Protocol PrioritizationA-4303543-A Rev 00Parameter: High Water Packets ClearPath: Configuration Manager > interface

Site Manager Protocol Prioritization Parameters303543-A Rev 00A-5 Parameter: High Queue Percent BandwidthPath: Configuration Manager > interface co

Configuring Traffic Filters and Protocol PrioritizationA-6303543-A Rev 00Parameter: Low Queue Percent BandwidthPath: Configuration Manager > interf

Site Manager Protocol Prioritization Parameters303543-A Rev 00A-7 Prioritization Length ParametersUse the following descriptions as guidelines when yo

xiv303543-A Rev 00Table 5-10. IP Type of Service Codes ...5-10Table 6-1. Using th

Configuring Traffic Filters and Protocol PrioritizationA-8303543-A Rev 00Parameter: Less Than or Equal QueuePath: Configuration Manager > interface

303543-A Rev 00B-1 Appendix BExamples and Implementation NotesThis appendix contains examples, hints, reminders, and important notes you may find usef

Configuring Traffic Filters and Protocol PrioritizationB-2303543-A Rev 00To create an inbound IP traffic filter that prevents access to a network thro

Examples and Implementation Notes303543-A Rev 00B-3 Inbound Traffic Filter ExamplesThis section summarizes the steps for creating an inbound traffic f

Configuring Traffic Filters and Protocol PrioritizationB-4303543-A Rev 00Chapter 6 provides detailed procedures for creating inbound traffic filters a

Examples and Implementation Notes303543-A Rev 00B-5 Table B-1 lists sample predefined criteria, ranges, and actions for some common filtering goals. T

Configuring Traffic Filters and Protocol PrioritizationB-6303543-A Rev 00Table B-2 lists sample user-defined criteria, ranges, and actions for some co

Examples and Implementation Notes303543-A Rev 00B-7 Protocol Prioritization ExamplesThis section summarizes the steps and provides examples (Table B-3

Configuring Traffic Filters and Protocol PrioritizationB-8303543-A Rev 009. Type a minimum and maximum value to specify the range, then click on OK. S

Examples and Implementation Notes303543-A Rev 00B-9 Table B-3 provides some examples of using outbound traffic filters for protocol prioritization goa

303543-A Rev 00xv PrefaceThis guide describes configuring traffic filters to filter and prioritize traffic on a Bay Networks® router.Before You BeginB

Configuring Traffic Filters and Protocol PrioritizationB-10303543-A Rev 00Place RIP traffic in the Low queueCriteria > Add > IP > IP > UD

Examples and Implementation Notes303543-A Rev 00B-11 Implementation NotesThis section contains notes about the following:• Filtering Outbound Frame Re

Configuring Traffic Filters and Protocol PrioritizationB-12303543-A Rev 00Using a Drop-All Filter as a FirewallIf your filtering strategy involves for

Examples and Implementation Notes303543-A Rev 00B-13 Using Outbound Traffic Filters for LAN ProtocolsIn certain configurations, implementing outbound

303543-A Rev 00Index-1AAccept filters, 1-4, B-12acronyms, xviiactions, traffic filter. See traffic filter actionsaddingactionsinbound, 6-9, 6-14outbou

Index-2303543-A Rev 00criteria, inbound traffic filter (continued)IPEstablished TCP, 3-9IP Destination Address, 3-9IP Source Address, 3-9Protocol, 3-9

303543-A Rev 00Index-3DLSwactions, 3-8criteria, 3-8example, B-9inbound traffic filters, 6-2outbound traffic filters, 2-1prioritization, 2-1Drop If Nex

Index-4303543-A Rev 00IPXactions, 3-12criteria, 3-11 to 3-12specifying an Ethernet Type code, 5-9ISDN PRI, filtering actions, 4-11LLAN Network Manager

303543-A Rev 00Index-5protocol prioritizationClipped Packets Count, 2-12, 2-15defined, 2-1, 4-11dequeuing algorithmsbandwidth allocation, 2-3strict de

Configuring Traffic Filters and Protocol Prioritizationxvi303543-A Rev 00Text ConventionsThis guide uses the following text conventions:bold textIndic

Index-6303543-A Rev 00technical support, xixTelnet traffic, prioritizing, B-10template.flt Site Manager file, 7-9templates, 1-13templates, inbound tra

303543-A Rev 00Index-7media and protocols supported, 1-3No Call action, 4-11No Reset action, 4-11performance, B-13precedence, 7-21reordering, 7-21prec

Preface303543-A Rev 00xvii AcronymsANSI American National Standards InstituteAPPN Advanced Peer-to-Peer NetworkingARP Address Resolution ProtocolCCITT

Configuring Traffic Filters and Protocol Prioritizationxviii303543-A Rev 00MAC media access controlMCE1 multichannel E1MCT1 multichannel T1MSB most si

Preface303543-A Rev 00xix Bay Networks Technical PublicationsYou can now print Bay Networks technical manuals and release notes free, directly from th

ii303543-A Rev 004401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821Copyright © 1998 Bay Networks, Inc.All rights res

303543-A Rev 001-1 Chapter 1Using Traffic FiltersThis chapter describes concepts and terms to help you understand and plan for traffic filter configur

Configuring Traffic Filters and Protocol Prioritization1-2303543-A Rev 00Bay Networks routers support two types of traffic filters:• Inbound traffic f

Using Traffic Filters303543-A Rev 001-3 Chapter 3 provides protocol-specific information for designing inbound traffic filters. Chapter 6 explains how

Configuring Traffic Filters and Protocol Prioritization1-4303543-A Rev 00Filtering StrategiesThis section recommends ways you might use traffic filter

Using Traffic Filters303543-A Rev 001-5 You can also improve application response time and prevent session timeouts by implementing protocol prioritiz

Configuring Traffic Filters and Protocol Prioritization1-6303543-A Rev 00Traffic Filter ComponentsThe Configuration Manager creates traffic filters fr

Using Traffic Filters303543-A Rev 001-7 A traffic filter criterion is defined by a byte length and an offset from common bit patterns (reference point

Configuring Traffic Filters and Protocol Prioritization1-8303543-A Rev 00Predefined CriteriaTable 1-1 summarizes the predefined inbound traffic filter

Using Traffic Filters303543-A Rev 001-9 Table 1-2 summarizes the predefined outbound traffic filter criteria for data link and IP headers.LLC2 MAC Ad

303543-A Rev 00iiiBay Networks, Inc. Software License AgreementNOTICE: Please carefully read this license agreement before copying or using the accom

Configuring Traffic Filters and Protocol Prioritization1-10303543-A Rev 00User-Defined CriteriaTo apply customized criteria that use fields that are n

Using Traffic Filters303543-A Rev 001-11 RangesFor each traffic filter criterion, you also specify the valid range, a series of target values that app

Configuring Traffic Filters and Protocol Prioritization1-12303543-A Rev 00 Table 1-3 lists additional protocol-specific actions for inbound traffic fi

Using Traffic Filters303543-A Rev 001-13 Except for the log actions, inbound and outbound traffic filter actions are mutually exclusive; you can only

Configuring Traffic Filters and Protocol Prioritization1-14303543-A Rev 00Summary of Traffic Filter SupportTable 1-5 summarizes the inbound and outbou

303543-A Rev 002-1 Chapter 2Using Protocol Prioritization QueuesThis chapter describes the priority queues that you can implement using outbound traff

Configuring Traffic Filters and Protocol Prioritization2-2303543-A Rev 00While the router is operating, network traffic from various sources converges

Using Protocol Prioritization Queues303543-A Rev 002-3 The Dequeuing ProcessAfter queuing packets, the router empties the priority queues by sending t

Configuring Traffic Filters and Protocol Prioritization2-4303543-A Rev 00Bandwidth Allocation AlgorithmThe bandwidth allocation algorithm uses a confi

Using Protocol Prioritization Queues303543-A Rev 002-5 6.The router empties all packets from the Low queue, up to the configured bandwidth percentage,

iv303543-A Rev 00its own data and information and for maintaining adequate procedures apart from the Software to reconstruct lost or altered files, d

Configuring Traffic Filters and Protocol Prioritization2-6303543-A Rev 00Figure 2-2. Bandwidth Allocation AlgorithmScan theHigh queue.Are therepackets

Using Protocol Prioritization Queues303543-A Rev 002-7 Strict Dequeuing AlgorithmInstead of the bandwidth allocation algorithm, you can configure the

Configuring Traffic Filters and Protocol Prioritization2-8303543-A Rev 00Figure 2-3 illustrates the strict dequeuing algorithm. Figure 2-3. Strict De

Using Protocol Prioritization Queues303543-A Rev 002-9 Enabling Protocol PrioritizationYou use the Configuration Manager to configure protocol priorit

Configuring Traffic Filters and Protocol Prioritization2-10303543-A Rev 00Tuning Protocol PrioritizationWhen you enable Protocol Priority on a circuit

Using Protocol Prioritization Queues303543-A Rev 002-11 To configure the percent of bandwidth for the priority queues, you edit these Configuration Ma

Configuring Traffic Filters and Protocol Prioritization2-12303543-A Rev 00Queue Size ExampleSuppose that you use the default queue size (20 packets) f

Using Protocol Prioritization Queues303543-A Rev 002-13 Figure 2-5. Reconfigured Priority Queue Statistics for the Queue Size ExamplesTo see whether t

Configuring Traffic Filters and Protocol Prioritization2-14303543-A Rev 00Editing Protocol Prioritization ParametersTo edit protocol prioritization pa

Using Protocol Prioritization Queues303543-A Rev 002-15 Monitoring Protocol Prioritization StatisticsTo monitor and manage protocol prioritization, yo

303543-A Rev 00vContentsPrefaceBefore You Begin ...

303543-A Rev 003-1 Chapter 3Inbound Traffic Filter Criteria and ActionsYou create inbound traffic filters using templates that consist of protocol-spe

Configuring Traffic Filters and Protocol Prioritization3-2303543-A Rev 00Transparent Bridge Criteria and ActionsTransparent bridge traffic filters sup

Inbound Traffic Filter Criteria and Actions303543-A Rev 003-3 Predefined Transparent Bridge CriteriaEach transparent bridge encapsulation method has s

Configuring Traffic Filters and Protocol Prioritization3-4303543-A Rev 00User-Defined Transparent Bridge CriteriaYou can create bridge traffic filters

Inbound Traffic Filter Criteria and Actions303543-A Rev 003-5 Source Route Bridging Criteria and ActionsYou filter inbound source route bridging (SRB)

Configuring Traffic Filters and Protocol Prioritization3-6303543-A Rev 00See Chapter 5 for information about specifying SAP and MAC address criteria.

Inbound Traffic Filter Criteria and Actions303543-A Rev 003-7 DECnet Phase IV Criteria and ActionsYou can filter inbound DECnet Phase IV traffic based

Configuring Traffic Filters and Protocol Prioritization3-8303543-A Rev 00DLSw Criteria and ActionsYou can filter inbound DLSw traffic based on specifi

Inbound Traffic Filter Criteria and Actions303543-A Rev 003-9 IP Criteria and ActionsYou can filter IP inbound traffic based on specified bit patterns

vi303543-A Rev 00Chapter 2Using Protocol Prioritization QueuesAbout Protocol Prioritization ...

Configuring Traffic Filters and Protocol Prioritization3-10303543-A Rev 00When specifying the user-defined criterion length, use 8 bits whenever possi

Inbound Traffic Filter Criteria and Actions303543-A Rev 003-11 • Forward to First Up Next Hop InterfaceSpecifies that any frame that matches the filte

Configuring Traffic Filters and Protocol Prioritization3-12303543-A Rev 00User-Defined IPX CriteriaIn addition to the predefined filter criteria, you

Inbound Traffic Filter Criteria and Actions303543-A Rev 003-13 User-Defined LLC2 CriteriaIn addition to the predefined LLC2 criteria, you can create t

Configuring Traffic Filters and Protocol Prioritization3-14303543-A Rev 00User-Defined OSI CriteriaIn addition to the predefined OSI filter criteria,

Inbound Traffic Filter Criteria and Actions303543-A Rev 003-15 User-Defined VINES CriteriaIn addition to the predefined VINES filter criteria, you can

Configuring Traffic Filters and Protocol Prioritization3-16303543-A Rev 00User-Defined XNS CriteriaIn addition to the predefined filter criteria, you

303543-A Rev 004-1 Chapter 4Outbound Traffic Filter Criteria and ActionsYou create outbound traffic filters using templates that consist of criteria,

Configuring Traffic Filters and Protocol Prioritization4-2303543-A Rev 00Selecting Predefined CriteriaOutbound traffic filter criteria are based on th

Outbound Traffic Filter Criteria and Actions303543-A Rev 004-3 Figure 4-1 shows the Configuration Manager menu path for specifying these criteria. See

303543-A Rev 00viiIP Criteria and Actions ...3-9Prede

Configuring Traffic Filters and Protocol Prioritization4-4303543-A Rev 00Figure 4-1. Predefined Data Link Criteria for Outbound Traffic Filters

Outbound Traffic Filter Criteria and Actions303543-A Rev 004-5 Predefined IP CriteriaYou configure outbound traffic filters for routing protocols base

Configuring Traffic Filters and Protocol Prioritization4-6303543-A Rev 00Figure 4-2. Predefined IP Criteria for Outbound Traffic FiltersSpecifying Cri

Outbound Traffic Filter Criteria and Actions303543-A Rev 004-7 To configure criteria for both IP and data link reference points, you create two filter

Configuring Traffic Filters and Protocol Prioritization4-8303543-A Rev 00Figure 4-3. Data Link Reference Points in an SRB Packet Bridged over Bay Netw

Outbound Traffic Filter Criteria and Actions303543-A Rev 004-9 IP Reference PointsTable 4-4 defines the reference points in the IP header from which y

Configuring Traffic Filters and Protocol Prioritization4-10303543-A Rev 00Selecting ActionsFor outbound traffic filters, you can specify different typ

Outbound Traffic Filter Criteria and Actions303543-A Rev 004-11 Prioritizing ActionsYou can apply the following actions to outbound traffic filters fo

Configuring Traffic Filters and Protocol Prioritization4-12303543-A Rev 00You can use the dial service actions to configure outbound traffic filters t

303543-A Rev 005-1 Chapter 5Specifying Common Criterion RangesFor every inbound or outbound traffic filter criterion, you must specify a valid range -

viii303543-A Rev 00Selecting Actions ...4-10Fi

Configuring Traffic Filters and Protocol Prioritization5-2303543-A Rev 00Specifying MAC Address RangesWhen you create a traffic filter that includes a

Specifying Common Criterion Ranges303543-A Rev 005-3 SRB Functional MAC AddressesFunctional MAC addresses are destination MAC addresses that always co

Configuring Traffic Filters and Protocol Prioritization5-4303543-A Rev 00Specifying Source and Destination SAP Code RangesTable 5-3 lists some common

Specifying Common Criterion Ranges303543-A Rev 005-5 Specifying Frame Relay NLPID RangesTable 5-4 lists some common Frame Relay network layer protocol

Configuring Traffic Filters and Protocol Prioritization5-6303543-A Rev 00Specifying TCP and UDP Port RangesTable 5-6 lists some common TCP port values

Specifying Common Criterion Ranges303543-A Rev 005-7 Specifying Ethernet Type RangesTable 5-8 lists some common Ethernet Type codes to use when specif

Configuring Traffic Filters and Protocol Prioritization5-8303543-A Rev 00Banyan VINES 0BADDEC 6000-6009DEC MOP 6001-6002DRP 6003DEC LAT 6004LAVC 60073

Specifying Common Criterion Ranges303543-A Rev 005-9 Spider 809FNixdorf 80A3Siemens 80A4-80B3Pacer Software 80C6Applitek 80C7Intergraph 80C8-80CCHarri

Configuring Traffic Filters and Protocol Prioritization5-10303543-A Rev 00Specifying IP Protocol ID and Type of Service RangesThe Internet Protocol ve

303543-A Rev 006-1 Chapter 6Applying Inbound Traffic FiltersThis chapter describes how to use the Configuration Manager to configure inbound traffic f

303543-A Rev 00ixChapter 7Applying Outbound Traffic FiltersDisplaying the Priority/Outbound Filters Window ...

Configuring Traffic Filters and Protocol Prioritization6-2303543-A Rev 00Displaying the Inbound Traffic Filters WindowTo apply inbound traffic filters

Applying Inbound Traffic Filters303543-A Rev 006-3 Figure 6-1. Inbound Traffic Filters Window Preparing Inbound Traffic Filter TemplatesTo add an inbo

Configuring Traffic Filters and Protocol Prioritization6-4303543-A Rev 00Creating a TemplateTo create an inbound traffic filter template:Site Manager

Applying Inbound Traffic Filters303543-A Rev 006-5 Figure 6-2. Filter Template Management WindowFigure 6-3. Create Template Window

Configuring Traffic Filters and Protocol Prioritization6-6303543-A Rev 00Customizing TemplatesThere are two ways to customize a filter template:• Copy

Applying Inbound Traffic Filters303543-A Rev 006-7 Editing a TemplateAfter you create or copy a template, edit it as follows:Table 6-1 describes how t

Configuring Traffic Filters and Protocol Prioritization6-8303543-A Rev 00Figure 6-4. Edit Template Window

Applying Inbound Traffic Filters303543-A Rev 006-9 Table 6-1. Using the Edit Template Window Task Site Manager Procedure NotesAdd a criterion1. Choos

Configuring Traffic Filters and Protocol Prioritization6-10303543-A Rev 00Creating an Inbound Traffic FilterYou create an inbound traffic filter by ap

Applying Inbound Traffic Filters303543-A Rev 006-11 Figure 6-5. Create Filter WindowEditing an Inbound Traffic FilterAfter you apply an inbound traffi