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srconfig(8) System Manager's Manual srconfig(8) NAME srconfig - Displays and controls source routing functions and parame- ters for communication on token ring networks SYNOPSIS /usr/sbin/srconfig [options] FLAGS The flags are case insensitive; use uppercase, lowercase, or any combi- nation. The short form of each flag is indicated by capital letters. For example -DElentry can be shortened to -de and -Enasr can be short- ened to -e. Deletes the entry in the source routing database for the destination (target) node that has the address mac_address. This op- tion requires superuser privileges. Disables the entry in the source routing database for the destination (target) node that has the address mac_address, marking the entry as Stale. The system attempts to update the entry through its route discovery process the next time it needs to communicate with this node. This option requires superuser privileges. Displays whether source routing is enabled. If enabled, it also dis- plays the following source routing attributes whose values you can set with the other srconfig options. Current Source Routing Aging Timer value Current Source Routing Discovery Timer value Current Source Rout- ing Table size Displays the following counters that are associated with the source routing database: All Routes Explore (ARE) frames sent ARE frames received Route discovery failures Displays the entry for the node with address mac_address in the source routing database. Each en- try describes the current description of the best path to the node. There is no default value for mac_address. Displays all entries in the source routing database. (See -re flag.) Sets the value of the Source Routing Aging Timer, specifying the length of time a source routing ta- ble entry remains valid before being marked as invalid or Stale. If not set, the system default is 120 seconds. This option requires superuser privileges. Sets the value of the Source Routing Discovery Timer, specifying the amount of time a route discovery process can take before it terminates. If not set, the system default is 5 seconds. This option requires superuser privileges. Sets the maximum number of entries in the source routing database. The range of this parameter is a multiple of 256 from 1024 to 2048. If not set, the system default is 1024. This parameter can only be increased, not decreased. This option requires superuser privileges. Specifies that the MAC addresses are in non- canonical form. This flag can be used with the -DElentry, -DISEntry, -REntry, and -RTable flags only. Sets the source routing counters to zero. DESCRIPTION The srconfig command reads and modifies entries in the your local sys- tem's source routing database. For every remote system on an extended token ring network with which your local system communicates, there exists a corresponding entry in your local system's source routing database. Each entry describes the path to the remote system on the network. Source routing is the mechanism by which data transmitted from your lo- cal node reaches remote systems on other token ring LANs. Your system maintains a source routing database so token ring adapters, for example tra0, can find the route a message is to take to a remote destination. The entries list the specific token ring LANs (and their interconnect- ing bridges) that the data is to traverse to the remote system. To maintain its source routing database, your system frequently exe- cutes a route discovery process to find the most efficient route to each remote system. The route discovery process and source routing it- self are largely automatic. However, you can use the srconfig commands to manually change the source routing database entries. You need superuser privileges to use the srconfig options, except for the read options. EXAMPLES To display all the entries in your source routing database, enter: sr- config -rt Target Node MAC Address 00-00-0C-01-08-E9 (ip = 130.180.4.3) Have Route Routing Information: SRF, length 8, direction 0,largest frame 4472 octets Route Descriptors: 021C 7FFC 0220 0000 0000 0000 0000 0000 Target Node MAC Address 00-00-C9-10-1B-F5 On Ring To display the source routing database entry that applies to a destination node with address 00-00-c9-10-4a-f3, enter: srconfig -re 00-00-c9-10-4a-f3 Target Node MAC Address 00-00-C9-10-4A-F3 On Ring To specify a time period of 10 seconds during which your system runs the route discovery process for its target nodes, enter: srconfig -setd 10 RELATED INFORMATION Network Administration Network Programmer's Guide delim off srconfig(8)