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Manual IBM BC-201

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  • IBM BC-201 - page 1

    BC-201 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Overview of IBM Networking The IBM networkin g technologies described in this publication can be categ orized as network-rel ated or host-related technol ogies. The IBM Netw orking section of the Cisco IOS Bridging and IBM Networkin g Configuration Guid e discusses the f ...

  • IBM BC-201 - page 2

    Overview o f IBM Networ king RSRB BC-202 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Note All commands supported on the Cisco 750 0 series routers are also supp orted on the Cisco 7000 series routers. RSRB In contrast to Source-Ro ute Bridging (SRB), whic h in volv es bridging between T oken Ri ng media only , RSRB is a ...

  • IBM BC-201 - page 3

    Overview of IBM Ne tworking RSRB BC-203 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Configuration Considerations Use IP encapsulation only o ver a TCP co nnection within comple x meshed netw orks to support connections between peers that are separated by multiple hops and can potentially use multiple path s, and where p ...

  • IBM BC-201 - page 4

    Overview o f IBM Networ king DLSw+ BC-204 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Note As previously stated, local ackn o wledgment for LLC2 is meant only for e xtreme cases in which communication is not possible otherwise. Because the router must maintain a full LLC2 sessi on, the number of simultaneo us sessio ns i ...

  • IBM BC-201 - page 5

    Overview of IBM Ne tworking DLSw+ BC-205 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 This section contains a b rief ov ervie w of DLSw+: • DLSw Standard , page 20 5 • DLSw V ersion 2 Stand ard, page 205 • DLSw+ Features, page 206 DLSw Standard The DLSw standard, documented in RFC 1795 , defi nes the switch-to-swit ...

  • IBM BC-201 - page 6

    Overview o f IBM Networ king DLSw+ BC-206 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 IP Multicast Multicast service av oids duplication and excessi v e bandw idth of broadcast traff ic because it replicates and propagates messag es to its multicast members only as necessary . It reduces the amount of network ov erhead i ...

  • IBM BC-201 - page 7

    Overview of IBM Ne tworking DLSw+ BC-207 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 This section contains inf ormation on the follo wing topics related t o DLSw+ features: • Local Ackno wledgment, page 207 • Notes on Using LLC2 Local Ackn ow ledgment, page 209 • DLSw+ Support fo r Other SNA Features, page 210 DLS ...

  • IBM BC-201 - page 8

    Overview o f IBM Networ king DLSw+ BC-208 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figure 86 illustrat es an LLC2 session in which a 37x5 on a LAN se gment communicates wi th a 3x74 on a dif ferent LAN segment separated via a wide-area b ackbone network. Frames are transported between Router A and Rout er B by m eans ...

  • IBM BC-201 - page 9

    Overview of IBM Ne tworking DLSw+ BC-209 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 3x74 operates as if the ackno wledgments it recei ve s are from the 37x5. Router B looks like the 3x74 to 37x5. Because the frames do n ot ha ve to t rav el th e W AN backbone netw orks to be ackno wledged , but are locally ackno wled g ...

  • IBM BC-201 - page 10

    Overview o f IBM Networ king DLSw+ BC-210 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 If you are using NetBIOS applications, note t hat there are two NetBIOS timers—one at th e link le v el and one at th e next higher le vel. Lo cal acknowledgme nt for LLC2 is designed to solve link timeouts only . If you are e xperien ...

  • IBM BC-201 - page 11

    Overview of IBM Ne tworking STUN and BSTUN BC-211 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Figure 88 VDLC Inter action with Higher -Lay er Prot ocols The higher -layer protocols mak e no distinction betw een the VDLC and an y other data-link control , bu t they do identi fy the VDLC as a d est inat ion . In t h e e x ...

  • IBM BC-201 - page 12

    Overview o f IBM Networ king STUN and BSTUN BC-212 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figure 89 Compar ison of STUN in P assthr ough Mode and Local Acknowledgment Mode Note T o enable STUN local ackno wledgment, you f irst enable the routers for ST UN and conf igure them to appear on the netw ork as primary or s ...

  • IBM BC-201 - page 13

    Overview of IBM Ne tworking STUN and BSTUN BC-213 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 • Allo ws networks with IBM main frames and communi cations contro llers to share data using Cisco routers and exi sting network links. As an SDLC function, STU N fully supports the IBM SN A and allows IBM SDLC frames to be s ...

  • IBM BC-201 - page 14

    Overview o f IBM Networ king STUN and BSTUN BC-214 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figure 90 sho ws the dif ference between an IBM network with STUN and one with out STUN. Figure 90 IBM Networ k Configuration without STUN and with STUN IBM mainframe Workstation T1 serial link Ethernet Workstation IBM 3x78 ter ...

  • IBM BC-201 - page 15

    Overview of IBM Ne tworking LLC2 and SDLC Parameters BC-215 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 BSTUN Networks The Bisync feature enables your Cisco 2500, 360 0, 4000, 4500, 470 0, and 7200 series r out er to support devices that use the Bisyn c data-link p rotocol. Th is protocol e nables enterp rises to tran s ...

  • IBM BC-201 - page 16

    Overview o f IBM Networ king LLC2 and SDLC Paramete rs BC-216 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 modifying the control f ield parameter s, you can de termine t he number of ackno wledgmen ts sent for frames receiv ed and the le v el of polli ng used to determine av ailable stat ions. In this manner , you can set ...

  • IBM BC-201 - page 17

    Overview of IBM Ne tworking IBM Network Media Tran slation BC-217 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 The Cisco Implementation of SDLC The Cisco SDLC implementation supports t he follo wing features: • Frame Relay Access Support (FRAS) W ith FRAS, a router functions as a Frame Relay Access Device (FRAD) for SD ...

  • IBM BC-201 - page 18

    Overview o f IBM Networ king IBM Network Media Translation BC-218 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figure 91 illust rates how SDLLC pro vides data li nk layer sup port for SN A communication. Figure 91 SNA D ata Link Lay er Support SDLLC Media Translation Features T h e S D L L C f e a t u r e a l l o w s a P ...

  • IBM BC-201 - page 19

    Overview of IBM Ne tworking IBM Network Media Tran slation BC-219 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 As part of its virtual telecommuni cations access method (VT AM) conf igurat ion, the IBM node on t he T oken Ring has knowledge of the SDLLC VTRA of the ser ial de vice with which it communicates. The SDLC VTRA ...

  • IBM BC-201 - page 20

    Overview o f IBM Networ king IBM Network Media Translation BC-220 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 QLLC Conversion Qualif ied Logical Li nk Control (QLLC) is a data lin k protocol def ined b y IBM that allo ws SN A data to be transported acro ss X.25 network s. (Although IBM has def ined other protocols for tr ...

  • IBM BC-201 - page 21

    Overview of IBM Ne tworking IBM Network Media Tran slation BC-221 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Figur e 95 QLLC Conv ersion Running on a Ro ut er with an Int er mediate IP Networ k The Cisco Implementation of QLLC Conversion SN A us es QLLC and X.25 as lin k layer protocols t o provid e a reliable connecti ...

  • IBM BC-201 - page 22

    Overview o f IBM Networ king IBM Network Media Translation BC-222 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figure 97 QLLC Conversion Betw een a Single 37x5 and Multiple 3x7 4s across an Arbitrary W AN How communication se ssions are esta blished ov er the commu nication lin k varies depending on whether or not LLC2 lo ...

  • IBM BC-201 - page 23

    Overview of IBM Ne tworking SNA FRAS BC-223 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Ta b l e 3 shows ho w the QLLC commands corr espond to the SDLLC commands. Other Implementation Considerations Consider the follo wing when implementing QLLC con version: • T o use the QL LC con version feature, a router must ha v ...

  • IBM BC-201 - page 24

    Overview o f IBM Networ king SNA FRAS BC-224 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Management service point supp ort in FRAS allo ws the SNA netw ork management application, NetV ie w , to manage Cisco routers over the Frame Relay ne twork as if i t were an SN A do wnstream PU. FRAS provides dial backup over RSRB i ...

  • IBM BC-201 - page 25

    Overview of IBM Ne tworking SNA FRAS BC-225 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 permanent virt ual circuit, Cisco supports SAP multiple xing, which allo ws you to conf igure unique LLC2 SAPs for each do wnstream SN A device so that they can share a single permanen t virtual circuit to an FEP . The Cisco IOS soft ...

  • IBM BC-201 - page 26

    Overview o f IBM Networ king NCIA BC-226 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 NCIA Nativ e Client Interface Architecture (NCIA) is a new software architect ure introduced by Cisco to make accessing IBM SN A applicat ions ov er routed in tern etworks more scalable and flexible. NCIA is a component of the Ci sco IOS ...

  • IBM BC-201 - page 27

    Overview of IBM Ne tworking NCIA BC-227 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 • The NCIA Server communicates with other components in router , such as RSRB, SN ASw , DLSw+, and DSPU. • Supports both connect-i n and connect- out. • The NCIA client/serv er model is indepe ndent of t he upstream implemen tation ...

  • IBM BC-201 - page 28

    Overview o f IBM Networ king NCIA BC-228 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 After the peer session has been esta blished, the NDLC protoco l establis hes the circuit between the client and server . This circuit is used to transfer end-user data between the clie nt and the server . Because the client and its targ ...

  • IBM BC-201 - page 29

    Overview of IBM Ne tworking ALPS BC-229 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Migration Support Using a clie nt/ser ver model allows the NCIA Serv er feature to be independent of th e upstream implementation, allo wing it to be implemented in a network that is still using RSRB and in a DLSw+ network. It also great ...

  • IBM BC-201 - page 30

    Overview o f IBM Networ king DSPU and SNA Service Point BC-230 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Figur e 1 04 ALPS Arc hit ectur e The Cisco ALPS feature provides an end-to-end solutio n for airlines and central reserv ation systems.The ALPS feature is integrated in th e Cisco IOS software and allo ws ai rlines ...

  • IBM BC-201 - page 31

    Overview of IBM Ne tworking DSPU and SNA Service Point BC-231 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Figure 105 sho ws a router functioning as a DSPU concentrat or . Figure 1 05 Router Acting as a DSPU Concentrator T ypically , a router establishes one or more upstream co nnections with one or more hosts and m any ...

  • IBM BC-201 - page 32

    Overview o f IBM Networ king SNA Switching Services BC-232 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 SNA Switching Services Note SN A Switching Services fu nctionality super sedes a ll functionality pre viously av ailable in the APPN feature in the Cisco IOS software. SN ASw conf igurati on will not accept the pr evio ...

  • IBM BC-201 - page 33

    Overview of IBM Ne tworking Benefits of SNASw BC-233 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Scalable APPN Networks W ith the Br anch Extender (BEX) fu nction, the numbe r of net work nodes and th e amount of broadcast traf f ic are reduced. IP Infrastructure Support Limiting SN ASw routers to t he data center and u ...

  • IBM BC-201 - page 34

    Overview o f IBM Networ king HPR Capable SNA Routing Services BC-234 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 HPR Capable SNA Routing Services SN ASw pro vides the fo llo wing SN A routing functions: • Routes SN A sessions between clients and target SN A data hosts. • Controls SN A traff ic in a multipro tocol en ...

  • IBM BC-201 - page 35

    Overview of IBM Ne tworking Enterprise Extender (HPR/IP) BC-235 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Figure 107 illu strates the BEX functionality . Figure 1 0 7 BEX Functionality Enterprise Extender (HPR/IP) SN ASw also supports the EE functio n. EE of fers SN A HPR support directly ov er IP netw orks. EE also u ...

  • IBM BC-201 - page 36

    Overview o f IBM Networ king Usability Features BC-236 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Usability Features SN ASw contains the fol lo wing usability features desi gned to make SN A networks easier to design and maintain: • Dynamic CP Name Generation Support, page 236 • Dynamic SN A BTU Size, page 236 • D ...

  • IBM BC-201 - page 37

    Overview of IBM Ne tworking Management Enhanceme nts BC-237 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Mode ARB architecture. Responsi v e Mode ARB ad dresses all the drawbacks of the earlier ARB implementation, pro viding f aster ramp-up, better to lerance of lost frames, and better tolerance of multiprotocol traf f i ...

  • IBM BC-201 - page 38

    Overview o f IBM Networ king LAN and IP-Focuse d Connection Types BC-238 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 MIB Support for Advanced Network Management Awareness SN ASw supports the follo wing Manage ment Information Bases (MIBs): • IETF draft standard DLUR MIB ( RFC 22 32 ), which def ines objects for moni to ...

  • IBM BC-201 - page 39

    Overview of IBM Ne tworking Cisco Transaction Connection BC-239 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 same LAN. When using nati v e LAN support, SN ASw responds only to requests that tar get the MA C address conf igured on t he local interface. V irtual T oken Ring and SRB allo w SN ASw to respond to multiple MA C ...

  • IBM BC-201 - page 40

    Overview o f IBM Networ king Cisco Transaction Conn ection BC-240 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 The CTRC software feature provides the follo wing functionality: • CTRC allo ws Cisco routers to use the intersyst em communication (ISC) protocol to pro vide a gate way be tween Customer Information Contro l S ...

  • IBM BC-201 - page 41

    Overview of IBM Ne tworking Cisco Transaction Connection BC-241 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Figure 1 09 Cisco Router Configured with the CTRC Feat ur e for CICS Communications CTRC and DB2 CTRC enables Cisco routers to implement IBM ’ s DRD A ov er TCP/IP . The Cisco router with CTRC exists in the TCP/ ...

  • IBM BC-201 - page 42

    Overview o f IBM Networ king CMCC Adapte r Hardware BC-242 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 For a TCP/IP host connection, th e router with CTRC routes the DRD A packets ov er TCP/IP without protocol changes. T o use this TCP/IP passthrough f eature of CTRC, the host database v ersion must support direct TCP/IP ...

  • IBM BC-201 - page 43

    Overview of IBM Ne tworking CMCC Adapter Hardware BC-243 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Figur e 1 12 Cisco Mainfr ame Channel Connection Adapt ers Channel Interface Processor The CIP for the Cisco 7000 with RSP70 00 and Cisco 7500 series routers is d esigned for high-end network en vironments that demand hi ...

  • IBM BC-201 - page 44

    Overview o f IBM Networ king CMCC Adapte r Hardware BC-244 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 The Cisco 7200 series rout er supports onli ne insert ion and remo v al (OIR), whi ch allo ws you to install or remov e port adap ters while the system is operat ing. Note In this chapter , references to Channel Port Ad ...

  • IBM BC-201 - page 45

    Overview of IBM Ne tworking CMCC Adapter Features for TC P/IP Environments BC-245 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 Supported Environments The Cisco IOS software supports the f ollow ing en vironments a nd features on the CMCC adapters: • TCP/IP En vironments—CLA W , TCP/IP offload, IP host backup, CMPC+, ...

  • IBM BC-201 - page 46

    Overview o f IBM Networ king CMCC Adapter Features for TCP/IP Environments BC-246 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 IP Host Backup Y ou can connect multiple mainf rames to a single CM CC adapter using an ESCON director . Often, these mainframes run using the ESCON Multiple Image Facili ty (EMIF), which permits ...

  • IBM BC-201 - page 47

    Overview of IBM Ne tworking CMCC Adapter Features fo r SNA Environments BC-247 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 CMCC Adapter Features for SNA Environments The Cisco IOS software supports the f ollo wing fe atures for CMCC adapters in SN A en vironments: • Cisco SN A, page 247 • Cisco Multipath Channel, pa ...

  • IBM BC-201 - page 48

    Overview o f IBM Networ king CMCC Adapter Features for SNA Environments BC-248 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 Cisco Multipath Channel CMPC is Cisco System’ s implementation of IBM’ s MultiPath Channel (MPC) feature on Cisco 7500, Cisco 7200, and Cisco 7000 wit h RSP7000 series routers. CMPC allo ws VT AM ...

  • IBM BC-201 - page 49

    Overview of IBM Ne tworking CMCC Adapter Features fo r SNA Environments BC-249 Cisco IOS Bridging and IBM Networking Con figu ratio n Guide 78-11737-02 The TN3270 server feature of fers an attractiv e solu tion when the follo wing conditions need to be supported in an SNA en vironm ent: • Maintaining an IP ba ckbone while pro viding suppo rt for ...

  • IBM BC-201 - page 50

    Overview o f IBM Networ king CMCC Adapter Features for SNA Environments BC-250 Cisco IOS Bridging and IBM Ne tw orking Configuration Guide 78-11737-02 T o enable the TN3270 server feature, you mu st ha ve a CMCC adapter installed in a Cisco 7000 with RSP7000, Cisco 7500 series router , or a Cisco 7200 router . For details about co nfiguring the TN3 ...

Manufacturer IBM Category Network Router

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- IBM technical drawings
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All of them are important, but the most important information from the point of view of use of the device are in the user manual IBM BC-201.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals IBM BC-201, service manual, brief instructions and user manuals IBM BC-201. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product IBM BC-201.

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A complete manual for the device IBM BC-201, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use IBM BC-201 by users. Manuals are usually written by a technical writer, but in a language understandable to all users of IBM BC-201.

A complete IBM manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual IBM BC-201 - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the IBM BC-201, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the IBM BC-201, that we can find in the current document
3. Tips how to use the basic functions of the device IBM BC-201 - which should help us in our first steps of using IBM BC-201
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with IBM BC-201
5. FAQ - Frequently Asked Questions
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