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- ROUTE Loadable Module
-
- Why use ROUTE?
-
- Use ROUTE to allow NetWare to pass frames (packets) through IBM
- bridges on a Token-Ring cabling system. You must load the TOKEN LAN driver
- before you load ROUTE.
-
- All NetWare workstations must use the new Token-Ring workstation
- driver.
-
- The following tasks are described in this section.
-
- Set up the file server for source routing
-
- Change a source routing parameter
-
- Command format
-
- LOAD [path]ROUTE [parameter...]
-
- Command parameters
-
- Replace path with a full directory path to the directory containing
- the module; begin with a DOS drive letter or a NetWare volume name. If you
- do not specify a path and the SYS volume is mounted, the operating system
- assumes that the module is located in the SYS:SYSTEM directory. (Use
- SEARCH to set up additional paths for automatic searching.)
-
- Replace parameter with one or more of the following:
-
- BOARD = number REMOVE = number
- CLEAR RSP = value
- DEF TIME = number
- GBR UNLOAD
- MBR
-
- Each parameter is described below.
-
- Parameters
-
- All the parameters described on the following pages are optional.
- ROUTE can be loaded re-entrantly (a second time) with a specified parameter
- to change ROUTE's configuration.
-
- Most of the parameters have default values that should work with
- simple configurations for IBM bridges. If you have installed parallel IBM
- bridges, you can change some of the parameters to reduce traffic on some of
- the paths.
-
- For more information about source routing and broadcast frames, see
- the IBM Token-Ring Network Architecture Reference produced by IBM.
-
- BOARD = number
-
- Use this parameter if the Token-Ring driver is not the first driver
- loaded. The operating system numbers the boards, starting with the
- first driver loaded. That board is board number one. (Check the
- order in the AUTOEXEC.NCF file if you have loaded more than one
- driver.) Use this parameter to specify which board you want to
- change parameters on or load ROUTE for.
-
- CLEAR
-
- Use this parameter to manually clear the Source Routing table. This
- parameter will force a dynamic rebuilding of the table by sending a
- default frame to each specific node in the network. Use this
- parameter when an IBM bridge on the network has gone down and an
- alternate route is available.
-
- DEF
-
- Use this parameter to prevent frames that have unknown (DEFault)
- destination addresses from being sent across Single Route IBM
- bridges.
-
- If this parameter is specified, all frames that have addresses not
- currently in the file server's Source Routing table will be forwarded
- as All Routes Broadcast frames.
-
- If this parameter is not specified, all frames that have addresses
- not currently in the file server's Source Routing table will be
- forwarded as Single Route Broadcast frames.
-
- If ROUTE has already been loaded with the DEF parameter, reloading
- ROUTE with this parameter broadcasts all subsequent Single Route
- Broadcast frames as All Routes Broadcast frames.
-
- GBR
-
- Use this parameter to specify that all General BRoadcast frames are
- to be sent as All Routes Broadcast frames.
-
- If this parameter is not specified when ROUTE is loaded, all General
- BRoadcast frames are broadcast as Single Route Broadcast frames.
-
- If ROUTE has already been loaded with the GBR parameter, reloading
- ROUTE with this parameter broadcasts all subsequent General BRoadcast
- frames as All Routes Broadcast frames.
-
- MBR
-
- Use this parameter to specify that all Multicast BRoadcast frames are
- to be sent as All Routes Broadcast frames.
-
- If the parameter is not specified when ROUTE is loaded, all Multicast
- BRoadcast frames are broadcast as Single Route Broadcast frames.
-
- If ROUTE has already been loaded with the MBR parameter, reloading
- ROUTE with this parameter broadcasts all subsequent Multicast
- BRoadcast frames as All Routes Broadcast frames.
-
- REMOVE = number
-
- Use this parameter to remove a specified node address from the file
- server's Source Routing table. Use the parameter when a bridge has
- gone down. When you remove the node from the Source Routing table,
- you force the file server to determine an alternate route.
-
- Replace number with a 12-digit (06-byte) hexadecimal number. If less
- than 9 digits are entered, ROUTE prefixes the address with 4000h.
- For example, REMOVE=2 is interpreted as REMOVE=400000000002
-
- RSP = value
-
- Use this parameter to specify how the file server should ReSPond to a
- broadcast request.
-
- Replace value with one of the following.
-
- NR Specifies that all Broadcast Requests are to be responded to
- directly; a Broadcast Response is Not Required. This is the
- default value.
-
- AR Specifies that all Broadcast Requests are to be responded to
- with an All Routes Broadcast frame.
-
- SR Specifies that all Broadcast Requests are to be responded to
- with a Single Route Broadcast frame.
-
- TIME = number
-
- Use this parameter to specify how often the Source Routing table
- should be updated. This parameter forces the table to be updated
- with a new route if the current route has not been used during the
- specified time period. This parameter enables ROUTE to dynamically
- determine alternate routes when an IBM bridge goes down.
-
- Replace number with a value from 03 to 255 seconds. The default is
- 03 seconds.
-
- UNLOAD
-
- Use this parameter after the board parameter to specify which board
- you want to remove source routing from. To unload ROUTE.NLM from the
- file server, use UNLOAD ROUTE.
-
- Additional information
-
- As frames pass through an IBM bridge, source routing information is
- added to the frame header at the Media Access Control (MAC) layer.
- NetWare's bridging is done above this layer. ROUTE.NLM enables NetWare
-
- To keep track of the source routing information in the frames;
-
- To configure the source routing information in the frames according
- to the parameters that ROUTE is loaded with.
-
- ROUTE can be loaded re-entrantly.
-
- If you have two Token-Ring boards in the file server, ROUTE should be
- loaded twice. The second time it is loaded, you must use the BOARD
- parameter to specify a board number.
-
- If you need to change the configuration, load ROUTE with the
- parameter that needs to be changed.
-
- Set up the file server for source routing
-
- To set up the file server for source routing, complete the following
- steps.
-
- Load the TOKEN.NLM LAN driver.
-
- Load ROUTE. Type
-
- LOAD ROUTE <Enter>
-
- Change a source routing parameter
-
- To change a parameter in ROUTE after ROUTE has been loaded, select
- the example that fits your situation.
-
- One Token-Ring network board
-
- To clear the Source Routing table when only one driver has been
- loaded, type
-
- LOAD ROUTE CLEAR
-
- Two Token-Ring network boards
-
- To change a parameter when more than one driver has been loaded,
- complete the following steps. This example shows how to change the
- update time for the Source Routing table from the default of 3
- seconds to 10 seconds.
-
- To change the TIME parameter for the first driver loaded, type
-
- LOAD ROUTE BOARD=01 TIME=10 <Enter>
-
- To change the TIME parameter for the second driver, type
-
- LOAD ROUTE BOARD=02 TIME=10 <Enter>