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38 Sun Dual Gigabit Ethernet and Dual SCSI/P Adapter Installation and User’s Guide • January 2004
Jumbo Frames with Trunking 1.3
When using Jumbo Frames with Trunking 1.3, you must explicitly enable Jumbo
Frames on each link participating in the Trunk.
▼
To Configure Jumbo Frames Using
ndd
1. Bring down and unplumb the interface before using
ndd
to set Jumbo Frame.
2. Set the instance number:
In this example, the instance number set is 0.
3. Set the instance to accept jumbo frames:
4. Plumb the interface up:
Where
xx.xx.xx.xx
= the IP address of the interface.
5. Repeat steps 1 throug 4 to set both the Ethernet interfaces to use jumbo frames.
Using the
infinit_burst
Parameter
Because only UltraSPARC™ III machines support the
infinit_burst
parameter it
is turned off by default. If you are using an UltraSPARC III machine, you can enable
this parameter. To discover if your machine is an UltraSPARC III, run the following
command:
If you get the following response:
% ndd -set /dev/ce instance 0
% ndd -set /dev/ce accept-jumbo 1
% ifconfig ce0 plumb
xx.xx.xx.xx
up
% modinfo | grep pcisch
22 101e1663 d5c1 109 1 pcisch (PCI Bus nexus driver 1.194)