Monitor and Maintain the SRB Network | Cisco Systems BC-109 instruction

Monitor and Maintain the SRB Network

Report Spurious Frame-Copied Errors

An IBM 3174 cluster controller can be configured to report frame-copied errors to IBM LAN Network Manager software. These errors indicate that another host is responding to the MAC address of the 3174 cluster controller. Both the 3174 cluster controller and the IBM LAN Network Manager software can be configured to ignore frame-copied errors.

Monitor and Maintain the SRB Network

You can display a variety of information about the SRB network. To display the information you require, use one or more of the following commands in EXEC mode:

Command	Purpose
show access-expression [begin exclude include]	Display the defined input and output
	access list expressions.

show controllers token	Display internal state information
	about the Token Ring interfaces in
	the system.

show interfaces token	Provide high-level statistics for a
	particular interface.

show interfaces	Provide high-level statistics about the
	state of source bridging for a
	particular interface.

show lnm bridge	Display all currently configured
	bridges and all parameters that are
	related to the bridge as a whole and
	not to one of its interfaces.

show lnm config	Display the logical (multiport bridge)
	configuration of the Cisco IOS
	software.

show lnm interface [type number]	Display all LNM-relevant
	information about a specific
	interface.

show lnm ring [ring-number]	Display all LNM-relevant
	information about a specific ring
	number.

show lnm station [address]	Display all LNM-relevant
	information about a specific station
	or about all known stations on the
	ring.

show local-ack	Show the current state of any current
	local acknowledgment for both LLC2
	and SDLLC connections.

show netbios-cache	Display the contents of the NetBIOS
	cache.

show rif	Display the contents of the RIF
	cache.

show source-bridge [interface]	Display the current source bridge
	configuration and miscellaneous
	statistics.

BC-144Bridging and IBM Networking Configuration Guide

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Cisco Systems BC-109 manual Monitor and Maintain the SRB Network, Report Spurious Frame-Copied Errors

Contents

Configuring Source-Route Bridging SRB Configuration Task List Configure Source-Route Bridging Configure a Dual-Port Bridge Configure a Multiport Bridge Using a Virtual Ring Multiple Dual-Port Bridges Define a Ring Group in SRB Context Source-bridge ring-group ring-groupNo source-bridge ring-group ring-group Configure SRB over Fddi Enable SRB and Assign a Ring Group to an InterfaceInterface fddi slot/port Source-bridge route-cache cbus Configure Fast-Switching SRB over Fddi Configure SRB over Frame Relay Enable the Automatic Spanning-Tree Function Limit the Maximum SRB Hops Configure Bridging of Routed Protocols Enable Use of the RIF Configure a Static RIF Entry Configure the RIF Timeout Interval Overview of SR/TLB Following notes and caveats apply to all uses of SR/TLB Enable Bridging between Transparent Bridging and SRB Disable Fast-Switched SR/TLBEnable Translation Compatibility with IBM 8209 Bridges No source-bridge transparent ring-group fastswitch Enable Token Ring LLC2-to-Ethernet Conversion Enable 0x80d5 ProcessingEnable Standard Token Ring LLC2-to-Ethernet LLC2 Conversion Source-bridge sap-80d5 dsap Configure NetBIOS Support Specify Timeout and Enable NetBIOS Name Caching Source-bridge proxy-netbios-only Configure the NetBIOS Cache Name Length Enable NetBIOS ProxyingCreate Static Entries in the NetBIOS Name Cache Specify Dead-Time Intervals for NetBIOS Packets Configure LNM Support Netbios name-cache query-timeout secondsNetbios name-cache recognized-timeout seconds LNM Linking to a Source-Route Bridge on Each Local Ring How a Router Works with LNM LAN Network Manager Monitoring and Translating Disable LNM Functionality Disable Automatic Report Path Trace Function Enable Other LRMs to Change Router Parameters Apply a Password to an LNM Reporting Link Enable LNM ServersChange Reporting Thresholds Change an LNM Reporting Interval Monitor LNM OperationLnm softerr milliseconds Configure NetBIOS Access Filters Configure NetBIOS Access Filters Using Station NamesSecure the SRB Network Configure NetBIOS Access Filters Using a Byte Offset Netbios access-list host name permit deny patternNetbios access-list bytes name permit deny offset Netbios input-access-filter bytes name Configure Administrative Filters for Token Ring Traffic Netbios output-access-filter bytes nameFilter Frames by Protocol Type Filter Frames by Vendor Code Filter Source AddressesFilter Destination Addresses Access Expression Example Configure Access Expressions Optimize Access Expressions Alter Access Lists Used in Access Expressions Tune the SRB Network Enable or Disable the Source-Route Fast-Switching Cache Enable or Disable the SSE Establish the Connection Timeout IntervalOptimize Explorer Processing Controlling Explorer Storms in Redundant Network Topologies Configure Proxy Explorers Establish SRB Interoperability with TI MAC FirmwareMac-address ieee-address Report Spurious Frame-Copied Errors Monitor and Maintain the SRB Network SRB Configuration Examples Source-bridge tcp-queue-max number Dual-Port Source-Route Bridge Configuration Basic SRB with Spanning-Tree Explorers Example Optimized Explorer Processing Configuration Example SRB-Only Example SRB and Routing Certain Protocols Example Multiport SRB Example Configuration for Router a SRB with Multiple Virtual Ring Groups Example SRB over Fddi Configuration Examples SRB over Fddi Fast-Switching ExampleConfiguration for Router B Router a SRB over Frame Relay Configuration Example Frad Using SRB over Frame Relay to Connect to a Cisco Router Configuration of Router a Configuration on Router BConfiguration on Router C Adding a Static RIF Cache Entry Example Adding a Static RIF Cache Entry for a Two-Hop Path Example SR/TLB for a Simple Network Example BC-154Bridging and IBM Networking Configuration Guide SR/TLB with Access Filtering Example Example of a Bit-Swapped Address NetBIOS Support with a Static NetBIOS Cache Entry Example Specifying a Static Entry Wayfarer# show lnm config LNM for a Simple Network Example LNM for a More Complex Network Example NetBIOS Access Filters Example Filtering Bridged Token Ring Packets to IBM Machines Example Shows a router connecting four Token Rings Creating Access Filters Example Following access expression would result Access Filters Example Fast-Switching Example Autonomous Switching Example