Avaya Configuring IP Services Manual do Utilizador Página 284

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Configuring IP Services
A-68 114065 Rev. A
Parameter: Name Cache Age
Path: Configuration Manager > Protocols > IP > NetBIOS > Global
Default: 300 seconds
Options: Any value that can rapidly age infrequently referenced names out of the
NetBIOS name cache
Function: Specifies an age (in seconds) when inactive NetBIOS names expire from the
NetBIOS name cache.
Instructions: Choose an aging value that allows infrequently referenced or obsolete server
names to expire from the name cache. The smaller the value, the less efficient
broadcast reduction is, but the more quickly the network recovers topology
changes.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.11.1.9
Parameter: Hash Entry Count
Path: Configuration Manager > Protocols > IP > NetBIOS > Global
Default: 253
Options: Any integer value
Function: Specifies the number of entries you want to allow in the cache lookup tables.
Each NetBIOS interface has a local table to store and retrieve the names of
NetBIOS servers active on the network.
Instructions: For networks that actively use up to 2500 NetBIOS server names, use the
default value (253). To determine a hash entry count for larger networks, divide
the total number of unique NetBIOS server names active in the network by 10;
adjust the quotient to the nearest (higher or lower) prime number; and replace
the default value with the new, calculated number. Increasing the number of
hash table entries does not increase the number of names that a router can
cache. With larger networks, increasing the size of the hash tables may,
however, reduce internal cache lookup time, thereby improving overall
performance.
MIB Object ID: 1.3.6.1.4.1.18.3.5.3.11.1.10
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