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Installation 14
Parameter Options Description
Jumbo = Set maximum physical receive
packet Size = 18000 in the
STARTUP.NCF. Choices are
Jumbo = 1514–9000. This
keyword is only supported on
NetWare 6.x.
Enables/disables Jumbo Frame support. When
enabled, jumbo packets of up to 9000 bytes
are supported. Not supported on NC1020
adapters.
Link= Default=FORCE
Selections are: AUTO, FORCE
Only used to allow the adapter to negotiate a
specific or forced line speed with a switch that
is not forced, but instead setup for auto-
negotiation. It is best to allow for auto-
negotiation of the card and switch by not
setting this keyword or the speed keyword.
Only use this keyword if the speed keyword is
set to something other than AUTO.
RxTicks= Default = 360
Min = 0, disabled
Max = 5000000, 5 seconds
Units are in micro seconds
Enables the use of batching receives within a
specific time period.
TXPacketsPer Default = 64
Min = 0, disabled
Max = 100
Enables the use of batching transmits to a
specific amount of packets.
NOTE: With Jumbo Frames, the first frame must be Ethernet_ii.
Post installation
After NetWare 6.x has been successfully installed, set the minimum packet receive buffers parameter in
the startup.ncf file to 1500 for each adapter in the system. Set the maximum packet receive buffers to
three times the minimum packet receive buffers. Typically one MB of RAM is required per 1000 receive
buffers.
In the autoexec.ncf file, delete the packet receive buffers parameter (RxBuffers=32) in the load
statement for this adapter. Deleting the receive buffers phrase from the load statement resets the receive
buffers parameter to the default value of 200 for this adapter. You must reboot the server for the new
configuration.
Example:
The default maximum number of receive buffers for the system is 500; the default minimum is 128. Edit
the startup.ncf file to have the following entries. The actual numbers will be a function of the number of
adapters in the system.
• set maximum packet receive buffers = 30000
• set minimum packet receive buffers = 10000
• set maximum physical receive packet size = 2048
Verifying or modifying adapter properties