
Using NetBIOS Services
114060 Rev. A 3-9
You can adjust the aging time for the name/RIF cache using the Name Cache Age
parameter, which is a source routing bridge global parameter. Any adjustments
you make affect all instances of the source routing bridge in the router
configuration.
You can adjust the aging parameter for the query cache by means of the NetBIOS
Query Cache Age parameter, which is also a global parameter of the source
routing bridge.
Refer to NetBIOS Global P
arameter Descriptions for descriptions of the Cache
Age Time and NetBIOS Query Cache Age parameters.
Statically Configured NetBIOS Names
You can add static NetBIOS names and associated RIF entries into the router.
These entries are independent of the name and RIF entries learned dynamically in
the name cache.
The static RIF must reflect a valid learned route. Since specifying a valid RIF is a
complicated procedure, we recommend that you copy a RIF that the router learned
dynamically into the name cache.
Implementation Notes
The following sections contain information you may need to know before you
configure NetBIOS on the router.
Topologies
If you configure your source routed network to operate as a spanning tree, this
may affect the client name caching feature. The following sections describe the
effects on client name caching when you have a spanning tree or other topology.
Spanning Tree Topology
If you configure the source route network as a spanning tree, you should disable
client name caching, because clients typically send name query frames as
spanning tree explorers (STEs). Unless you disable client name caching, the client
learns only about the spanning tree path to the server. This creates excess traffic on
the spanning tree links and reduces the overall performance of the network.
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