14 SPARC Enterprise T5120 and T5220 Servers Product Notes • October 2007
1. Jumbo frame is enabled because the following line is present and not commented
out in the file nxge.conf:
Note – Refer to the Sun Quad GbE UTP x8 PCIe ExpressModule User’s Guide, the Sun
Dual 10GbE XFP PCIe ExpressModule User’s Guide, the Sun x8 Express Dual 10 Gigabit
Ethernet Fiber XFP Low Profile Adapter User’s Guide, or the Sun x8 Express Quad Gigabit
Ethernet UTP Low Profile Adapter User’s Guide, as appropriate, for details.
The file nxge.conf is under the /platform/sun4v/kernel/drv directory on
sun4v systems, and it is under the /platform/sun4u/kernel/drv directory on
sun4u systems.
2. Maximum Transmission Unit (MTU) is set to a value larger than 8172. Note that,
when jumbo frames are enabled, the MTU size defaults to 9194.
accept_jumbo=1
