
Editing DLSw Parameters
114063 Rev. A 5-9
Parameter: MAC Cache Age
Default: 300 (s)
Options: Any number of seconds greater than 20
Function: Specifies the maximum number of seconds that inactive MAC addresses
can exist in the MAC-to-DLSw Peer mapping cache.
Instructions: Enter an interval to limit the amount of memory that inactive MAC cache
entries consume for DLSw services on the router.
MIB Object ID: 1.3.6.1.4.1.18.3.5.1.5.1.11
Parameter: NetBIOS Cache Age
Default: 300 (s)
Options: Any number of seconds greater than 20
Function: Specifies the maximum number of seconds that inactive NetBIOS names
can exist in the NetBIOS-to-DLSw Peer mapping cache.
Instructions: Enter an interval to limit the amount of memory that inactive NetBIOS
cache entries consume for DLSw services on the router.
MIB Object ID: 1.3.6.1.4.1.18.3.5.1.5.1.12
Note: Ethernet networks support an MTU size of 1500 bytes, while Token
Ring networks support much larger MTUs. When configuring DLSw for local
Token Ring-to-Ethernet translation bridge topologies, the Virtual Ring MTU
parameter should not exceed 1500. This sets the Token Ring MTU size so that
Ethernet endstations can accept the Token Ring traffic.
Note: The IP Virtual Ring and Virtual Ring MTU parameters that appear in
the DLSw Global Parameters window are primarily for compatibility with
SRB networks locally attached to the router. However, Site Manager requires
you to enter a value for the IP Virtual Ring, even if you are configuring DLSw
services on non-SRB segments locally attached to the same router.
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