Avaya Configuring Bridging Services User manual

Category
Software manuals
Type
User manual
Part No. 117351-A Rev. A
September 1997
BayRS Version 12.00
Site Manager Software Version 6.00
Configuring Bridging
Services
ii
117351-A Rev. A
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117351-A Rev. A
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Contents
About This Guide
Before you Begin ............................................................................................................xvii
Conventions ...................................................................................................................xviii
Acronyms .........................................................................................................................xix
Ordering Bay Networks Publications ............................................................................... xx
Bay Networks Customer Service .....................................................................................xxi
How to Get Help ..............................................................................................................xxi
Chapter 1
Using Transparent Bridge Services
Transparent Bridge Overview .........................................................................................1-1
How the Bridge Works ..............................................................................................1-2
The Translation Process ...........................................................................................1-3
Spanning Tree Algorithm ..........................................................................................1-8
Filtering Frames .....................................................................................................1-15
Enabling Bridge Service ...............................................................................................1-15
Enabling Bridge Service on an Interface ................................................................1-15
Enabling Spanning Tree on an Interface ................................................................1-16
Editing Bridge Parameters ............................................................................................1-18
Editing Bridge Global Parameters ..........................................................................1-20
Bridge Global Parameter Descriptions ...................................................................1-20
Editing Bridge Interface Parameters ......................................................................1-22
Bridge Interface Parameter Descriptions ...............................................................1-23
Editing Spanning Tree Global Parameters .............................................................1-24
Spanning Tree Global Parameter Descriptions ......................................................1-25
Editing Spanning Tree Interface Parameters ..........................................................1-30
Spanning Tree Interface Parameter Descriptions ...................................................1-31
Flushing the Forwarding Table ...............................................................................1-32
Deleting the Bridge and Spanning Tree from the Router ..............................................1-33
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Chapter 2
Using Source Routing Bridge Services
Source Routing Overview ...............................................................................................2-1
How Source Routing Differs from Transparent Bridging ...........................................2-2
How End Stations on a Source Routing Network Discover Routes .........................2-2
All-Paths Broadcast Routing ..............................................................................2-2
Spanning Tree Broadcast Routing .....................................................................2-3
Specific Routing .................................................................................................2-4
Source Routing over IP Networks ............................................................................2-4
How IP Encapsulation Works ...................................................................................2-5
IP Encapsulation Features .......................................................................................2-8
Source Route End Station Support ..........................................................................2-9
How the Bay Networks Source Routing Bridge Works .................................................2-10
Source Routing across a Token Ring Network .......................................................2-11
How the Source Routing Bridge Handles Explorer Frames .............................2-12
How the Source Routing Bridge Handles Specifically Routed Frames ...........2-14
Source Routing across an IP Network ...................................................................2-17
IP Encapsulation Guidelines ..................................................................................2-20
Source Routing over Frame Relay Networks .........................................................2-21
Source Routing over FDDI .....................................................................................2-21
For More Information about Source Routing ................................................................2-22
Implementation Notes ...................................................................................................2-22
Assigning Bridge IDs, Internal LAN IDs, and Group LAN IDs ................................2-22
Bridge ID ..........................................................................................................2-22
Internal LAN ID ................................................................................................2-24
Group LAN ID ..................................................................................................2-24
Configuring IP Encapsulation Support ...................................................................2-24
Enabling Source Routing Services ...............................................................................2-25
Enabling Source Routing Services on an Interface ................................................2-26
Enabling Source Routing Spanning Tree Service on an Interface .........................2-30
Editing Source Routing Parameters .............................................................................2-33
Editing Source Routing Global Parameters ...........................................................2-34
Source Routing Global Parameter Descriptions ....................................................2-35
Editing Source Routing Interface Parameters ........................................................2-38
Source Routing Interface Parameter Descriptions .................................................2-40
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Adding or Deleting a Bridge ID on the Bridge Entry List ........................................2-45
Adding a Bridge ID to the Bridge Entry List .....................................................2-45
Source Routing Bridge ID Parameter Description ...........................................2-47
Deleting a Bridge ID from the Bridge Entry List ...............................................2-47
Adding or Deleting an IP Address on the IP Explorer Address List .......................2-48
Adding an IP Explorer Address to the IP Explorer Address List ......................2-48
IP Explorer Address Parameter Description ....................................................2-49
Deleting an IP Explorer Address .....................................................................2-50
Editing Source Route Spanning Tree Global Parameters ......................................2-50
Source Route Spanning Tree Global Parameter Descriptions ...............................2-51
Editing Source Route Spanning Tree Interface Parameters ...................................2-56
Source Route Spanning Tree Interface Parameter Descriptions ............................2-57
Deleting Source Routing from the Router .....................................................................2-58
Chapter 3
Using NetBIOS Services
NetBIOS Overview .........................................................................................................3-1
NetBIOS Names .......................................................................................................3-1
Registering Station Names ......................................................................................3-2
Establishing Sessions ..............................................................................................3-3
Sessionless Communication ....................................................................................3-4
Broadcast Reduction ................................................................................................3-4
Name Caching ...................................................................................................3-5
Client Name Caching .........................................................................................3-5
Server Name Caching .......................................................................................3-6
Datagram RIF Caching ......................................................................................3-6
Query Caching ...................................................................................................3-7
Cache Lookup ..........................................................................................................3-8
Cache Aging .............................................................................................................3-8
Statically Configured NetBIOS Names .....................................................................3-9
Implementation Notes .....................................................................................................3-9
Topologies ................................................................................................................3-9
Spanning Tree Topology ....................................................................................3-9
Other Topologies ..............................................................................................3-10
NetBIOS Caches ....................................................................................................3-10
Enabling NetBIOS Services ..........................................................................................3-11
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Editing NetBIOS Parameters ........................................................................................3-11
Editing NetBIOS Global Parameters ......................................................................3-13
NetBIOS Global Parameter Descriptions ...............................................................3-14
Editing NetBIOS Interface Parameters ...................................................................3-20
NetBIOS Interface Parameter Descriptions ............................................................3-21
Using Statically Configured NetBIOS Clients and Servers ....................................3-23
Adding a Statically Configured NetBIOS Client or Server ...............................3-23
Static Name Parameter Descriptions ...............................................................3-24
Editing Statically Configured NetBIOS Clients and Servers ............................3-26
NetBIOS Static List Parameter Descriptions ...................................................3-26
Deleting a Statically Configured NetBIOS Name .............................................3-28
Chapter 4
Using Translation Bridge Services
Translation Bridge Overview ...........................................................................................4-1
Databases ................................................................................................................4-2
Forwarding Database ........................................................................................4-2
Route Information Field Database .....................................................................4-2
Database Aging Mechanism ..............................................................................4-2
Bridge Operations ....................................................................................................4-3
SR Operations ...................................................................................................4-3
TB Operations ...................................................................................................4-4
TB to SR Challenges ................................................................................................4-5
Frame Format Selection ....................................................................................4-6
Frame Lengths ...................................................................................................4-6
MAC Address Formats ......................................................................................4-6
LAN Speeds ......................................................................................................4-6
Implementation Notes .....................................................................................................4-7
Protocols Supported ................................................................................................4-7
Interfaces Supported ................................................................................................4-7
Loop-Free Operation ................................................................................................4-8
Physically Disabling Loops ................................................................................4-8
Using the Spanning Tree Protocol .....................................................................4-9
Procedure for Configuring the Translation Bridge on Your Network .......................4-11
Enabling Source Routing Translate/LB Service ......................................................4-12
Creating the Translation Bridge ....................................................................................4-14
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ix
Editing Translation Bridge Parameters ..........................................................................4-15
Editing Translation Bridge Global Parameters ........................................................4-15
Translation Bridge Global Parameter Descriptions ................................................4-16
Editing Translation Bridge MAC Address Conversions ...........................................4-21
Adding an Address Mapping ...........................................................................4-21
Translation Bridge Address Mapping Parameter Descriptions ........................4-23
Deleting an Address Mapping .........................................................................4-23
Editing Translation Bridge Station Type ..................................................................4-24
Adding a New Address to the Station List .......................................................4-24
Translation Bridge Ethernet Address Mapping Parameter Descriptions ..........4-25
Deleting a Station ............................................................................................4-26
Deleting the Translation Bridge from the Router ...........................................................4-26
Chapter 5
Using Native Mode LAN Services
Native Mode LAN Overview ............................................................................................5-1
Defining a Closed User Group ........................................................................................5-3
Implementation Notes .....................................................................................................5-4
Defining a Closed User Group That Permits
Overlapping Network Traffic .....................................................................................5-4
Controlling NML Traffic on a Network Trunk .............................................................5-4
Enabling NML Services ..................................................................................................5-5
Editing NML Parameters .................................................................................................5-6
Editing NML Interface Parameters ...........................................................................5-8
NML Interface Parameter Descriptions ....................................................................5-9
Assigning an Access List to a Port ...............................................................................5-12
NML Add Security Range Parameters ...................................................................5-14
Enabling Ranges ....................................................................................................5-15
NML Range Enable Parameter Description ...........................................................5-17
Deleting NML from the Router ......................................................................................5-17
Appendix A
Site Manager Default Settings
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Appendix B
Components of a Source Route Frame
802.5 Physical Header .................................................................................................. B-1
Routing Information Field (RIF) ..................................................................................... B-2
Routing Control ....................................................................................................... B-2
Type of Frame ................................................................................................... B-3
Length ............................................................................................................... B-3
Direction Bit ...................................................................................................... B-3
Frame Size Bits ................................................................................................ B-3
Routing Designators ................................................................................................ B-4
Index
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xi
Figures
Figure 1-1. Forwarding Table Update .........................................................................1-2
Figure 1-2. RFC 1042 Encapsulation .........................................................................1-4
Figure 1-3. Bridge Tunnel Service Encapsulation ......................................................1-4
Figure 1-4. Ethernet to FDDI Translation ....................................................................1-5
Figure 1-5. FDDI to Ethernet Translation ....................................................................1-6
Figure 1-6. Ethernet/802.3 to FDDI Translation ..........................................................1-7
Figure 1-7. AppleTalk ARP (Originating on FDDI) to 802.3 Translation ......................1-8
Figure 1-8. Parallel Bridge Topology ..........................................................................1-9
Figure 1-9. Root Port Determination (Equal Path Costs) .........................................1-11
Figure 1-10. Root Port Determination (Equal Path Costs and Root Interface
Priorities) ................................................................................................1-12
Figure 1-11. Spanning Tree (Loop-Free) Logical Topology ........................................1-13
Figure 1-12. Inefficient Spanning Tree Topology ........................................................1-14
Figure 1-13. Spanning Tree Autoconfiguration Window .............................................1-17
Figure 1-14. Configuration Manager Window .............................................................1-19
Figure 1-15. Edit Bridge Global Parameters Window .................................................1-20
Figure 1-16. Bridge Interfaces Window ......................................................................1-23
Figure 1-17. Edit Spanning Tree Global Parameters Window ....................................1-25
Figure 1-18. Spanning Tree Interfaces Window ..........................................................1-30
Figure 2-1. Source Routing Network ..........................................................................2-1
Figure 2-2. Source Routing Designator ......................................................................2-3
Figure 2-3. Route Discovery .......................................................................................2-4
Figure 2-4. Source Routing over an IP Network .........................................................2-6
Figure 2-5. Examining the RIF Field of an SRF .........................................................2-7
Figure 2-6. IP Routers Source Routing across a Token Ring Network .....................2-10
Figure 2-7. Tracking an Explorer Frame ...................................................................2-11
Figure 2-8. Structure of an Explorer Frame ..............................................................2-13
Figure 2-9. Tracking a Specifically Routed Frame from ES2 to ES1 ........................2-14
Figure 2-10. Structure of a Specifically Routed Frame from ES2 to ES1 ...................2-16
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Figure 2-11. Tracking an IP-Encapsulated Frame from ES1 to ES2 ..........................2-17
Figure 2-12. Structure of an IP-Encapsulated Frame from ES1 to ES2 .....................2-19
Figure 2-13. Parallel Operation ..................................................................................2-23
Figure 2-14. Edit Source Routing Global Parameters Window ..................................2-27
Figure 2-15. SR Interface List Window .......................................................................2-29
Figure 2-16. Source Route Spanning Tree Autoconfiguration Window ......................2-31
Figure 2-17. Configuration Manager Window .............................................................2-33
Figure 2-18. Edit Source Routing Global Parameters Window ..................................2-34
Figure 2-19. SR Interface List Window .......................................................................2-39
Figure 2-20. Source Routing Bridge IDs Window .......................................................2-46
Figure 2-21. Add Bridge ID Window ...........................................................................2-46
Figure 2-22. Source Routing Bridge IP Explorer Addresses Window ........................2-48
Figure 2-23. Add Source Routing Explorer IP Address Window ................................2-49
Figure 2-24. Edit Source Route Spanning Tree Global Parameters Window .............2-51
Figure 2-25. Source Route Spanning Tree Interface List Window ..............................2-56
Figure 3-1. Configuration Manager Window .............................................................3-12
Figure 3-2. Edit Source Routing Global Parameters Window ..................................3-13
Figure 3-3. SR Interface List Window .......................................................................3-20
Figure 3-4. NetBIOS Static List Window ...................................................................3-23
Figure 3-5. NetBIOS Window ...................................................................................3-24
Figure 4-1. Network Configuration with Potential Loop ..............................................4-8
Figure 4-2. Spanning Tree with Translation Bridging ................................................4-10
Figure 4-3. Edit Translation Bridge Global Parameters Window ...............................4-13
Figure 4-4. Configuration Manager Window .............................................................4-14
Figure 4-5. Edit Translation Bridge Global Parameters Window ...............................4-16
Figure 4-6. Address Mapping List Window ...............................................................4-22
Figure 4-7. Translation Bridge Address Mapping Window ........................................4-22
Figure 4-8. Ethernet Station Type List Window ........................................................4-24
Figure 4-9. Translation Bridge Address Mapping Window ........................................4-25
Figure 5-1. NML Closed User Groups ........................................................................5-2
Figure 5-2. Edit NML Interface Window ......................................................................5-6
Figure 5-3. Configuration Manager Window ...............................................................5-7
Figure 5-4. NML Interfaces Window ...........................................................................5-8
Figure 5-5. NML Filters Window ...............................................................................5-12
Figure 5-6. NML Add Security Range Window .........................................................5-13
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Figure 5-7. Circuit List Window .................................................................................5-15
Figure 5-8. Circuit Definition Window .......................................................................5-16
Figure B-1. Fields in a Source Route Frame ............................................................. B-1
Figure B-2. Components of the RIF ........................................................................... B-2
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Tables
Table A-1. Transparent Bridge Global Parameters ................................................... A-1
Table A-2. Transparent Bridge Interface Parameters ............................................... A-2
Table A-3. Spanning Tree Global Parameters .......................................................... A-2
Table A-4. Spanning Tree Interface Parameters ....................................................... A-3
Table A-5. Source Routing Global Parameters ........................................................ A-4
Table A-6. Source Routing Interface Parameters ..................................................... A-5
Table A-7. Source Routing Bridge ID Parameter ..................................................... A-5
Table A-8. IP Explorer Address Parameter .............................................................. A-5
Table A-9. Source Route Spanning Tree Global Parameters ................................... A-6
Table A-10. Source Route Spanning Tree Interface Parameters ................................ A-6
Table A-11. NetBIOS Global Parameters ................................................................... A-7
Table A-12. NetBIOS Interface Parameters ............................................................... A-7
Table A-13. NetBIOS Static Name Parameters .......................................................... A-8
Table A-14. Translation Bridge Global Parameters .................................................... A-8
Table A-15. Translation Bridge Address Mapping Parameters ................................... A-8
Table A-16. Translation Bridge Ethernet Address Mapping Parameters .................... A-9
Table A-17. NML Interface Parameters ...................................................................... A-9
Table A-18. NML Add Security Range Parameters .................................................... A-9
Table A-19. NML Range Enable Parameters ............................................................. A-9
Table B-1. Frame Size Bits ....................................................................................... B-3
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xvii
About This Guide
If you are responsible for configuring bridging services, you need to read this
guide.
Before you Begin
Before using this guide, you must complete the following procedures. For a new
router:
Install the router (refer to the installation manual that came with your router).
Connect the router to the network and create a pilot configuration file (refer to
Quick-Starting Routers
,
Configuring BayStack Remote Access
, or
Connecting
ASN Routers to a Network)
.
If you want to Go to
Learn about transparent bridging services and how to enable bridging
services and spanning tree on an interface
Chapter
1
Learn about source route bridging and how to enable and configure
source route bridging
Chapter 2
Learn about and customize NetBIOS services Chapter 3
Learn about the transparent-to-source routing translation bridge and
how to configure it on your router
Chapter 4
Use native mode LAN services to define closed user groups within a
shared bridging environment
Chapter 5
Obtain the default settings for Site Manager parameters (you can also
obtain this information using Site Manager online Help)
Appendix A
Obtain information about the components of a source route frame Appendix B
Configuring Bridging Services
xviii
117351-A Rev. A
Make sure that you are running the latest version of Bay Networks Site Manager
and router software. For instructions, refer to
Upgrading Routers from Version
7–11.xx to Version 12.00
.
Conventions
angle brackets (< >) Indicate that you choose the text to enter based on the
description inside the brackets. Do not type the
brackets when entering the command.
Example: if command syntax is
ping
<ip_address>
,
you enter
ping 192.32.10.12
bold text
Indicates text that you need to enter, command names,
and buttons in menu paths.
Example: Enter
wfsm &
Example: Use the
dinfo
command.
Example: ATM DXI > Interfaces >
PVCs
identifies the
PVCs button in the window that appears when you
select the Interfaces option from the ATM DXI menu.
brackets ([ ]) Indicate optional elements. You can choose none, one,
or all of the options.
ellipsis points Horizontal (. . .) and vertical ellipsis points indicate
omitted information.
italic text
Indicates variable values in command syntax
descriptions, new terms, file and directory names, and
book titles.
quotation marks (“ ”) Indicate the title of a chapter or section within a book.
screen text
Indicates data that appears on the screen.
Example:
Set Bay Networks Trap Monitor Filters
separator ( > ) Separates menu and option names in instructions and
internal pin-to-pin wire connections.
Example: Protocols > AppleTalk identifies the
AppleTalk option in the Protocols menu.
Example: Pin 7 > 19 > 20
.
.
.
()
About This Guide
117351-A Rev. A
xix
vertical line (
|
) Indicates that you enter only one of the parts of the
command. The vertical line separates choices. Do not
type the vertical line when entering the command.
Example: If the command syntax is
show at routes
|
nets
,
you enter either
show at routes
or
show at nets
, but not both.
Acronyms
APE All-Paths Explorer (frame)
ARE All-Routes Explorer (frame)
ARP Address Resolution Protocol
BPDU Bridge Protocol Data Unit
CTL control
CUGID closed user group ID
DA destination address
DLCI data link connection identifier
DLSw data link switching
DSAP destination service access point
FCS frame check sequence
FDDI Fiber Distributed Data Interface
IEEE Institute of Electrical and Electronic Engineers
IP Internet Protocol
IPX Internet Packet Exchange
LAN local area network
LEN length
LLC Logical Link Control
LNM LAN Network Manager
MAC media access control
MIB management information base
MTU maximum transmission unit
NetBIOS Network Basic Input/Output System
NML Native Mode LAN
OUI organizationally unique identifier
Configuring Bridging Services
xx
117351-A Rev. A
PPP Point-to-Point Protocol
RFC Request for Comments
RIF routing information field
SA source address
SAP service access point
SMDS Switched Multimegabit Data Service
SNAP Subnetwork Access Protocol
SR source routing
SRB source route bridge
SRF specifically routed frame
SSAP session service access point
STE spanning tree explorer frame
TB transparent bridge
XB translation bridge
XNS Xerox Networking System
Ordering Bay Networks Publications
To purchase additional copies of this document or other Bay Networks
publications, order by part number from Bay Networks Press
at the following
numbers:
Phone--U.S./Canada: 888-422-9773
Phone--International: 510-490-4752
FAX--U.S./Canada and International: 510-498-2609
The Bay Networks Press catalog is available on the World Wide Web at
support.baynetworks.com/Library/GenMisc
. Bay Networks publications are
available on the World Wide Web at
support.baynetworks.com/Library/tpubs
.
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Avaya Configuring Bridging Services User manual

Category
Software manuals
Type
User manual

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