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Bcast Routing Timer
Sets the maximum number of seconds between routing topology messages issued by
the router.
Default: 180
Options
15, 30, 45, 60, 75, 90, 105, 120, 135, 150, 165, 180
Circuit Group Name
Identifies the name of a circuit group for DECnet routing. This is one of the circuit
groups configured for the Circuit Group menu. For more information about setting
circuit group parameters, refer to Chapter 2, “Line, Circuit, and Circuit Group
Parameters.”
Cost
Sets the relative cost of the circuit group. DECnet determines path costs by
summing the individual sequential circuit costs. The cost you assign typically should
reflect the relative speed of the transmission medium: low costs for high-speed
media and high costs for slower media. The DECnet router always selects the
circuit(s) with the lowest cost when defining a path, so assigning each circuit a cost
is, in effect, a way of assigning it a priority. Assign a higher cost to a circuit not to be
used on a regular basis. Your circuit costs should be in line with the settings of the
Area Max. Cost and Max. Cost basic parameters. Refer to Table 8-1 at the end of this
chapter for suggested circuit costs when transmitting media of various clock speeds.
Default: 10
Range: 1 to 25
Dest Area (high)
Sets the upper boundary of the range for filtering a DECnet packet based on the
contents of its destination area field.
Options
Leave this field blank if you do not want to filter DECnet destination areas.
Leave this field blank and enter the DECnet ID of the destination area in the Dest
Area (low) field if you are filtering a single DECnet destination area.
Table 8-1. Suggested DECnet Circuit Costs
Transmission
Speed
Suggested
Circuit Cost
Transmission
Speed
Suggested Circuit
Cost
10 Mbit/s 3 56 Kbit/s 15
1.54 Mbit/s 7 38.4 Kbit/s 16
1.25 Mbit/s 8 32 Kbit/s 17
833 Kbit/s 9 19.2 Kbit/s 18
DECnet Parameters
Parameters and Options
8-6