
Customizing NetBIOS over IP
304234-A Rev 00
8-9
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. (A prime
number can only be divided by itself or by 1 and still yield a whole-number
quotient.)
• 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.
You can use Site Manager to specify the number of entries you want to allow in
the cache lookup tables.
Site Manager Procedure
You do this System responds
1. In the Configuration Manager window,
choose
Protocols
.
The Protocols menu opens.
2. Choose
IP
. The IP menu opens.
3. Choose
NetBIOS
. The NetBIOS menu opens.
4. Choose
Global
. The Edit NetBIOS/IP Global Parameters
window opens.
5. Set the
Hash Entry Count
parameter.
Click on
Help
or see the parameter
description on page A-23
.
6. Click on
OK
. Site Manager returns you to the
Configuration Manager window.
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