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Part No. 117348-A Rev. ASeptember 1997BayRS Version 12.00Site Manager Software Version 6.00 Configuring Traffic Filters and Protocol Prioritizatio

Configuring Traffic Filters and Protocol Prioritization6-12 117348-A Rev. ATo add predefined criteria, ranges, and actions, or delete any criterion, ra

Applying Inbound Traffic Filters117348-A Rev. A 6-13 Figure 6-6. Edit Filters Window

Configuring Traffic Filters and Protocol Prioritization6-14 117348-A Rev. ATable 6-2. Using the Edit Filters Window Task Site Manager Procedure Note

Applying Inbound Traffic Filters117348-A Rev. A 6-15 Enabling or Disabling an Inbound Traffic FilterThere may be times when you want to turn off a filte

Configuring Traffic Filters and Protocol Prioritization6-16 117348-A Rev. ADeleting an Inbound Traffic FilterDeleting an inbound traffic filter permanent

Applying Inbound Traffic Filters117348-A Rev. A 6-17 Specifying User-Defined CriteriaThe Edit Filters window and Edit Template window provide a User-De

Configuring Traffic Filters and Protocol Prioritization6-18 117348-A Rev. AFigure 6-7. Add User-Defined Field WindowChanging Inbound Traffic Filter Prec

Applying Inbound Traffic Filters117348-A Rev. A 6-19 Figure 6-8. Filters Window Showing Filter PrecedenceTo change the order of precedence for inbound

Configuring Traffic Filters and Protocol Prioritization6-20 117348-A Rev. AFigure 6-9. Change Precedence WindowFigure 6-10. Filters Window Showing New

117348-A Rev. A 7-1 Chapter 7Applying Outbound Traffic FiltersThis chapter describes how to use the Configuration Manager to configure outbound traffic fil

117348-A Rev. A xi Figures Figure 2-1. Protocol Prioritization Dequeuing ...2-3Figure 2-2

Configuring Traffic Filters and Protocol Prioritization7-2 117348-A Rev. ADisplaying the Priority/Outbound Filters WindowYou must complete the followi

Applying Outbound Traffic Filters117348-A Rev. A 7-3 Figure 7-1. Displaying the Priority/Outbound Filters WindowFigure 7-2. Priority/Outbound Filters

Configuring Traffic Filters and Protocol Prioritization7-4 117348-A Rev. APreparing Outbound Traffic Filter TemplatesTo add an outbound traffic filter to

Applying Outbound Traffic Filters117348-A Rev. A 7-5 5. Choose Criteria > Add > Datalink | IP > criterion.To configure filters for IP-routed pa

Configuring Traffic Filters and Protocol Prioritization7-6 117348-A Rev. AFigure 7-3. Filter Template Management WindowFigure 7-4. Create Priority/Out

Applying Outbound Traffic Filters117348-A Rev. A 7-7 Specifying Prioritization LengthWhen you select the Length action in the Create Priority/Outbound

Configuring Traffic Filters and Protocol Prioritization7-8 117348-A Rev. A4. Select High, Low, or Normal as the queue in which a packet is placed if t

Applying Outbound Traffic Filters117348-A Rev. A 7-9 Customizing TemplatesThere are two ways to customize a filter template:• Copy an existing template

Configuring Traffic Filters and Protocol Prioritization7-10 117348-A Rev. AEditing a TemplateAfter you create or copy a template, edit it as follows:T

Applying Outbound Traffic Filters117348-A Rev. A 7-11 Figure 7-6. Edit Priority/Outbound Template Window

xii 117348-A Rev. A Figure 7-8. Edit Priority/Outbound Filters Window ...7-16Figure 7-9. Add User-De

Configuring Traffic Filters and Protocol Prioritization7-12 117348-A Rev. ATable 7-1. Using the Edit Priority/Outbound Template Window Task Site Man

Applying Outbound Traffic Filters117348-A Rev. A 7-13 Creating an Outbound Traffic FilterYou create an outbound traffic filter by applying a filter templa

Configuring Traffic Filters and Protocol Prioritization7-14 117348-A Rev. AFigure 7-7. Create Filter WindowEditing an Outbound Traffic Filter After you

Applying Outbound Traffic Filters117348-A Rev. A 7-15 To add predefined criteria, ranges, and actions, or delete any criterion, range, or action:Site M

Configuring Traffic Filters and Protocol Prioritization7-16 117348-A Rev. AFigure 7-8. Edit Priority/Outbound Filters Window

Applying Outbound Traffic Filters117348-A Rev. A 7-17 Table 7-2. Using the Edit Priority/Outbound Filters Window Task Site Manager Procedure NotesAd

Configuring Traffic Filters and Protocol Prioritization7-18 117348-A Rev. AEnabling or Disabling an Outbound Traffic Filter There may be times when you

Applying Outbound Traffic Filters117348-A Rev. A 7-19 Deleting an Outbound Traffic FilterDeleting an outbound traffic filter permanently removes the filte

Configuring Traffic Filters and Protocol Prioritization7-20 117348-A Rev. ASpecifying User-Defined CriteriaThe Edit Priority/Outbound Filters window an

Applying Outbound Traffic Filters117348-A Rev. A 7-21 Figure 7-9. Add User-Defined Field WindowChanging Outbound Traffic Filter Precedence You can assig

117348-A Rev. A xiii Tables Table 1-1. Predefined Inbound Traffic Filter Criteria ...1-8Table 1-2. Prede

Configuring Traffic Filters and Protocol Prioritization7-22 117348-A Rev. AFigure 7-10. Priority/Outbound Filters Window Showing Filter PrecedenceTo c

Applying Outbound Traffic Filters117348-A Rev. A 7-23 Figure 7-11. Change Precedence WindowFigure 7-12. Priority/Outbound Filters Window Showing New O

117348-A Rev. A A-1 Appendix ASite Manager Protocol Prioritization ParametersThis appendix contains reference information for the Site Manager protoco

Configuring Traffic Filters and Protocol PrioritizationA-2 117348-A Rev. APriority Interface Parameter DescriptionsUse the following descriptions as g

Site Manager Protocol Prioritization Parameters117348-A Rev. A A-3 Parameter: Normal Queue SizePath: Configuration Manager > interface connector >

Configuring Traffic Filters and Protocol PrioritizationA-4 117348-A Rev. AParameter: High Water Packets ClearPath: Configuration Manager > interface

Site Manager Protocol Prioritization Parameters117348-A Rev. A A-5 Parameter: High Queue Percent BandwidthPath: Configuration Manager > interface co

Configuring Traffic Filters and Protocol PrioritizationA-6 117348-A Rev. AParameter: Low Queue Percent BandwidthPath: Configuration Manager > interf

Site Manager Protocol Prioritization Parameters117348-A Rev. A A-7 Prioritization Length ParametersUse the following descriptions as guidelines when y

xiv 117348-A Rev. A Table 5-10. IP Type of Service Codes ...5-10Table 6-1. Using

Configuring Traffic Filters and Protocol PrioritizationA-8 117348-A Rev. AParameter: Less Than or Equal QueuePath: Configuration Manager > interface

117348-A Rev. A B-1 Appendix BExamples and Implementation NotesThis appendix contains examples, hints, reminders, and important notes you may find usef

Configuring Traffic Filters and Protocol PrioritizationB-2 117348-A Rev. ATo create an inbound IP traffic filter that prevents access to a network throu

Examples and Implementation Notes117348-A Rev. A B-3 Inbound Traffic Filter ExamplesThis section summarizes the steps for creating an inbound traffic fil

Configuring Traffic Filters and Protocol PrioritizationB-4 117348-A Rev. AChapter 6 provides detailed procedures for creating inbound traffic filters an

Examples and Implementation Notes117348-A Rev. A B-5 Table B-1 lists sample predefined criteria, ranges, and actions for some common filtering goals. Ta

Configuring Traffic Filters and Protocol PrioritizationB-6 117348-A Rev. ATable B-2 lists sample user-defined criteria, ranges, and actions for some co

Examples and Implementation Notes117348-A Rev. A B-7 Protocol Prioritization ExamplesThis section summarizes the steps and provides examples (Table B-

Configuring Traffic Filters and Protocol PrioritizationB-8 117348-A Rev. A9. Type a minimum and maximum value to specify the range, then click on OK.

Examples and Implementation Notes117348-A Rev. A B-9 Table B-3 provides some examples of using outbound traffic filters for protocol prioritization goal

117348-A Rev. A xv About This Guide If you are responsible for configuring traffic filters to filter and prioritize router traffic, you need to read this

Configuring Traffic Filters and Protocol PrioritizationB-10 117348-A Rev. APlace RIP traffic in the Low queueCriteria > Add > IP > IP > UD

Examples and Implementation Notes117348-A Rev. A B-11 Implementation NotesThis section contains notes about the following:• Filtering Outbound Frame R

Configuring Traffic Filters and Protocol PrioritizationB-12 117348-A Rev. AUsing a Drop-All Filter as a FirewallIf your filtering strategy involves for

Examples and Implementation Notes117348-A Rev. A B-13 Using Outbound Traffic Filters for LAN ProtocolsIn certain configurations, implementing outbound t

117348-A Rev. A Index-1AAccept filters, 1-4, B-12actions, traffic filter. See traffic filter actionsaddingactionsinbound, 6-9, 6-14outbound, 7-12, 7-16, 7-

Index-2 117348-A Rev. ADSAP, 3-8Source MAC Address, 3-8SSAP, 3-8IPEstablished TCP, 3-9IP Destination Address, 3-9IP Source Address, 3-9Protocol, 3-9TC

117348-A Rev. A Index-3strict dequeuing, 2-7Detailed Log action (outbound traffic filters), 4-9Detailed Logging action (inbound IP traffic filters), 3-11d

Index-4 117348-A Rev. AIICMP traffic, example, B-9inbound traffic filters. See traffic filters, inboundIPextended traffic filters, 1-5inbound traffic filtersac

117348-A Rev. A Index-5High Water Packets Clear, A-4Less Than or Equal Queue, 7-7, A-8Low Queue Percent Bandwidth, A-6Low Queue Size, A-3Max High Queu

Configuring Traffic Filters and Protocol Prioritizationxvi 117348-A Rev. A Conventions bold text Indicates text that you need to enter, command names

Index-6 117348-A Rev. Aoutbound traffic filters, 4-8IPX, 3-11LLC2, 3-12OSI, 3-13SRB, 3-6transparent bridge, 3-2VINES, 3-14XNS, 3-14RIP traffic, prioritiz

117348-A Rev. A Index-7source route, 4-2, 4-4, 4-9transparent bridge, 4-2, 4-9traffic filter typesAccept, B-12blocking, B-12Drop-all, B-12inbound, 1-2ou

About This Guide 117348-A Rev. A xvii Acronyms ANSI American National Standards InstituteAPPN Advanced Peer-to-Peer NetworkingARP Address Resolution

Configuring Traffic Filters and Protocol Prioritizationxviii 117348-A Rev. A NLPID network layer protocol ID OSI Open Systems InterconnectionOSPF Ope

About This Guide 117348-A Rev. A xix Ordering Bay Networks Publications To purchase additional copies of this document or other Bay Networks publica

ii 117348-A Rev. A4401 Great America Parkway 8 Federal StreetSanta Clara, CA 95054 Billerica, MA 01821 Copyright © 1988–1997 Bay Networks, Inc. All r

Configuring Traffic Filters and Protocol Prioritizationxx 117348-A Rev. A How to Get Help If you purchased a service contract for your Bay Networks p

117348-A Rev. A 1-1 Chapter 1Using Traffic Filters This chapter describes concepts and terms to help you understand and plan for traffic filter configur

Configuring Traffic Filters and Protocol Prioritization1-2 117348-A Rev. A Bay Networks routers support two types of traffic filters:• Inbound traffic fi

Using Traffic Filters 117348-A Rev. A 1-3 Chapter 3 provides protocol-specific information for designing inbound traffic filters. Chapter 6 explains ho

Configuring Traffic Filters and Protocol Prioritization1-4 117348-A Rev. A Filtering Strategies This section recommends ways you might use traffic filt

Using Traffic Filters117348-A Rev. A 1-5 You can also improve application response time and prevent session timeouts by implementing protocol prioriti

Configuring Traffic Filters and Protocol Prioritization1-6 117348-A Rev. ATraffic Filter ComponentsThe Configuration Manager creates traffic filters from

Using Traffic Filters117348-A Rev. A 1-7 A traffic filter criterion is defined by a byte length and an offset from common bit patterns (reference points)

Configuring Traffic Filters and Protocol Prioritization1-8 117348-A Rev. APredefined CriteriaTable 1-1 summarizes the predefined inbound traffic filter cr

Using Traffic Filters117348-A Rev. A 1-9 Table 1-2 summarizes the predefined outbound traffic filter criteria for data link and IP headers.LLC2 MAC Addr

117348-A Rev. A iii Bay Networks Software License This Software License shall govern the licensing of all software provided to licensee by Bay Netw

Configuring Traffic Filters and Protocol Prioritization1-10 117348-A Rev. AUser-Defined CriteriaTo apply customized criteria that use fields that are no

Using Traffic Filters117348-A Rev. A 1-11 RangesFor each traffic filter criterion, you also specify the valid range, a series of target values that appl

Configuring Traffic Filters and Protocol Prioritization1-12 117348-A Rev. ATable 1-3 lists additional protocol-specific actions for inbound traffic filte

Using Traffic Filters117348-A Rev. A 1-13 Using Filter Templates When you create traffic filters, it is important to understand the difference between a

Configuring Traffic Filters and Protocol Prioritization1-14 117348-A Rev. ASummary of Traffic Filter SupportTable 1-5 summarizes the inbound and outbou

117348-A Rev. A 2-1 Chapter 2Using Protocol Prioritization QueuesThis chapter describes the priority queues that you can implement using outbound traf

Configuring Traffic Filters and Protocol Prioritization2-2 117348-A Rev. AWhile the router is operating, network traffic from various sources converges

Using Protocol Prioritization Queues117348-A Rev. A 2-3 The Dequeuing ProcessAfter queuing packets, the router empties the priority queues by sending

Configuring Traffic Filters and Protocol Prioritization2-4 117348-A Rev. ABandwidth Allocation AlgorithmThe bandwidth allocation algorithm uses a confi

Using Protocol Prioritization Queues117348-A Rev. A 2-5 6.The router empties all packets from the Low queue, up to the configured bandwidth percentage,

iv 117348-A Rev. A Bay Networks Software License (continued) 9. Licensee shall not reverse assemble, reverse compile, or in any way reverse enginee

Configuring Traffic Filters and Protocol Prioritization2-6 117348-A Rev. AFigure 2-2. Bandwidth Allocation AlgorithmScan theHigh queue.Are therepacket

Using Protocol Prioritization Queues117348-A Rev. A 2-7 Strict Dequeuing AlgorithmInstead of the bandwidth allocation algorithm, you can configure the

Configuring Traffic Filters and Protocol Prioritization2-8 117348-A Rev. AFigure 2-3 illustrates the strict dequeuing algorithm. Figure 2-3. Strict D

Using Protocol Prioritization Queues117348-A Rev. A 2-9 Enabling Protocol PrioritizationYou use the Configuration Manager to configure protocol prioriti

Configuring Traffic Filters and Protocol Prioritization2-10 117348-A Rev. ATuning Protocol PrioritizationWhen you enable Protocol Priority on a circui

Using Protocol Prioritization Queues117348-A Rev. A 2-11 To configure the percent of bandwidth for the priority queues, you edit these Configuration Man

Configuring Traffic Filters and Protocol Prioritization2-12 117348-A Rev. AQueue Size ExampleSuppose that you use the default queue size (20 packets)

Using Protocol Prioritization Queues117348-A Rev. A 2-13 Figure 2-5. Reconfigured Priority Queue Statistics for the Queue Size ExamplesTo see whether t

Configuring Traffic Filters and Protocol Prioritization2-14 117348-A Rev. AEditing Protocol Prioritization ParametersTo edit protocol prioritization p

Using Protocol Prioritization Queues117348-A Rev. A 2-15 Monitoring Protocol Prioritization StatisticsTo monitor and manage protocol prioritization, y

117348-A Rev. A v Contents About This Guide Before You Begin ...

117348-A Rev. A 3-1 Chapter 3Inbound Traffic Filter Criteria and ActionsYou create inbound traffic filters using templates that consist of protocol-speci

Configuring Traffic Filters and Protocol Prioritization3-2 117348-A Rev. ATransparent Bridge Criteria and ActionsTransparent bridge traffic filters supp

Inbound Traffic Filter Criteria and Actions117348-A Rev. A 3-3 Predefined Transparent Bridge CriteriaEach transparent bridge encapsulation method has s

Configuring Traffic Filters and Protocol Prioritization3-4 117348-A Rev. AUser-Defined Transparent Bridge CriteriaYou can create bridge traffic filters w

Inbound Traffic Filter Criteria and Actions117348-A Rev. A 3-5 Source Route Bridging Criteria and ActionsYou filter inbound source route bridging (SRB)

Configuring Traffic Filters and Protocol Prioritization3-6 117348-A Rev. ASee Chapter 5 for information about specifying SAP and MAC address criteria.

Inbound Traffic Filter Criteria and Actions117348-A Rev. A 3-7 DECnet Phase IV Criteria and ActionsYou can filter inbound DECnet Phase IV traffic based

Configuring Traffic Filters and Protocol Prioritization3-8 117348-A Rev. ADLSw Criteria and ActionsYou can filter inbound DLSw traffic based on specified

Inbound Traffic Filter Criteria and Actions117348-A Rev. A 3-9 IP Criteria and ActionsYou can filter IP inbound traffic based on specified bit patterns i

vi 117348-A Rev. A Chapter 2Using Protocol Prioritization Queues About Protocol Prioritization ...

Configuring Traffic Filters and Protocol Prioritization3-10 117348-A Rev. AWhen specifying the user-defined criterion length, use 8 bits whenever possi

Inbound Traffic Filter Criteria and Actions117348-A Rev. A 3-11 • Detailed LoggingFor every packet that matches the filter criteria and ranges, the filt

Configuring Traffic Filters and Protocol Prioritization3-12 117348-A Rev. ALLC2 Criteria and ActionsYou can filter inbound LLC2 traffic based on specifie

Inbound Traffic Filter Criteria and Actions117348-A Rev. A 3-13 OSI Criteria and ActionsYou can configure OSI inbound traffic filters based on specified b

Configuring Traffic Filters and Protocol Prioritization3-14 117348-A Rev. AVINES Criteria and ActionsYou can filter inbound VINES traffic based on speci

Inbound Traffic Filter Criteria and Actions117348-A Rev. A 3-15 XNS Criteria and ActionsYou can filter inbound XNS traffic based on specified bit pattern

117348-A Rev. A 4-1 Chapter 4Outbound Traffic Filter Criteria and ActionsYou create outbound traffic filters using templates that consist of criteria, ra

Configuring Traffic Filters and Protocol Prioritization4-2 117348-A Rev. ASelecting Predefined CriteriaOutbound traffic filter criteria are based on the

Outbound Traffic Filter Criteria and Actions117348-A Rev. A 4-3 Figure 4-1 shows the Configuration Manager menu path for specifying these criteria. See

117348-A Rev. A viiPredefined IP Criteria ...3-9User-Define

Configuring Traffic Filters and Protocol Prioritization4-4 117348-A Rev. APredefined IP CriteriaYou configure outbound traffic filters for routing protoco

Outbound Traffic Filter Criteria and Actions117348-A Rev. A 4-5 Figure 4-2. Predefined IP Criteria for Outbound Traffic FiltersSpecifying Criteria Commo

Configuring Traffic Filters and Protocol Prioritization4-6 117348-A Rev. ATo configure criteria for both IP and data link reference points, you create

Outbound Traffic Filter Criteria and Actions117348-A Rev. A 4-7 Figure 4-3. Data Link Reference Points in an SRB Packet Bridged over Bay Networks Prop

Configuring Traffic Filters and Protocol Prioritization4-8 117348-A Rev. AIP Reference PointsTable 4-4 defines the reference points in the IP header fr

Outbound Traffic Filter Criteria and Actions117348-A Rev. A 4-9 Selecting ActionsFor outbound traffic filters, you can specify different types of action

Configuring Traffic Filters and Protocol Prioritization4-10 117348-A Rev. APrioritizing ActionsYou can apply the following actions to outbound traffic

Outbound Traffic Filter Criteria and Actions117348-A Rev. A 4-11 You can use the dial service actions to configure outbound traffic filters that specify

117348-A Rev. A 5-1 Chapter 5Specifying Common Criterion RangesFor every inbound or outbound traffic filter criterion, you must specify a valid range --

viii 117348-A Rev. A Dial Service Actions ...4-10 Chapte

Configuring Traffic Filters and Protocol Prioritization5-2 117348-A Rev. ASpecifying MAC Address RangesWhen you create a traffic filter that includes a

Specifying Common Criterion Ranges117348-A Rev. A 5-3 SRB Functional MAC AddressesFunctional MAC addresses are destination MAC addresses that always c

Configuring Traffic Filters and Protocol Prioritization5-4 117348-A Rev. ASpecifying Source and Destination SAP Code RangesTable 5-3 lists some common

Specifying Common Criterion Ranges117348-A Rev. A 5-5 Specifying Frame Relay NLPID RangesTable 5-4 lists some common Frame Relay network layer protoco

Configuring Traffic Filters and Protocol Prioritization5-6 117348-A Rev. ASpecifying TCP and UDP Port RangesTable 5-6 lists some common TCP port value

Specifying Common Criterion Ranges117348-A Rev. A 5-7 Specifying Ethernet Type RangesTable 5-8 lists some common Ethernet Type codes to use when speci

Configuring Traffic Filters and Protocol Prioritization5-8 117348-A Rev. ABanyan VINES 0BADDEC 6000-6009DEC MOP 6001-6002DRP 6003DEC LAT 6004LAVC 6007

Specifying Common Criterion Ranges117348-A Rev. A 5-9 Spider 809FNixdorf 80A3Siemens 80A4-80B3Pacer Software 80C6Applitek 80C7Intergraph 80C8-80CCHarr

Configuring Traffic Filters and Protocol Prioritization5-10 117348-A Rev. ASpecifying IP Protocol ID and Type of Service RangesThe Internet Protocol v

117348-A Rev. A 6-1 Chapter 6Applying Inbound Traffic FiltersThis chapter describes how to use the Configuration Manager to configure inbound traffic filte

117348-A Rev. A ixCopying a Template ...7-9Editing a Template

Configuring Traffic Filters and Protocol Prioritization6-2 117348-A Rev. ADisplaying the Inbound Traffic Filters WindowTo apply inbound traffic filters t

Applying Inbound Traffic Filters117348-A Rev. A 6-3 Figure 6-1. Inbound Traffic Filters Window Preparing Inbound Traffic Filter TemplatesTo add an inbou

Configuring Traffic Filters and Protocol Prioritization6-4 117348-A Rev. ACreating a TemplateTo create an inbound traffic filter template:Site Manager P

Applying Inbound Traffic Filters117348-A Rev. A 6-5 Figure 6-2. Filter Template Management WindowFigure 6-3. Create Template Window

Configuring Traffic Filters and Protocol Prioritization6-6 117348-A Rev. ACustomizing TemplatesThere are two ways to customize a filter template:• Copy

Applying Inbound Traffic Filters117348-A Rev. A 6-7 Editing a TemplateAfter you create or copy a template, edit it as follows:Table 6-1 describes how

Configuring Traffic Filters and Protocol Prioritization6-8 117348-A Rev. AFigure 6-4. Edit Template Window

Applying Inbound Traffic Filters117348-A Rev. A 6-9 Table 6-1. Using the Edit Template Window Task Site Manager Procedure NotesAdd a criterion1. Cho

Configuring Traffic Filters and Protocol Prioritization6-10 117348-A Rev. ACreating an Inbound Traffic FilterYou create an inbound traffic filter by appl

Applying Inbound Traffic Filters117348-A Rev. A 6-11 Figure 6-5. Create Filter WindowEditing an Inbound Traffic FilterAfter you apply an inbound traffic