
Configuring IP Services
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Customizing the IP Routing Table Structure
Structurally, the IP routing table consists of indexes and entries. Each index
contains a pointer to a sublist of entries. By default, the IP routing table contains
8,000 indexes.
A routing table in which all indexes point to the same number of entries is
considered to be in perfect balance. For example, a routing table that contains 100
indexes pointing to 1,000 entries is in perfect balance if each index points to 10
entries.
In reality, an IP routing table is allowed to contain indexes that deviate from
perfect balance by a number of entries specified as the deviation-of-nodes value.
By default the deviation-of-nodes value is 25.
To use the BCC to specify the number of indexes in the IP routing table and to
specify a deviation-of-nodes value, enter the following commands:
rtbl-indexes
number
rtbl-deviation-of-nodes
deviation
number is the number of indexes in the IP routing table.
deviation is the number of entries by which an index is allowed to deviate from
perfect balance.
For example, the following command sequence configures an IP routing table
with 1,000 indexes and a deviation value of 10:
ip# rtbl-indexes 1000
ip# rtbl-deviation-of-nodes 10
Caution:
Bay Networks recommends that you use the default values for the IP
routing table parameters. If you want to specify different values, consult the
Bay Networks Technical Solutions Center.
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