SGI Ethernet Card Guide de l'utilisateur télécharger pdf (Page 30)

3: Operating the Adapter

• Linux:

# ifconfig ethN down

# ifconfig ethN up

Conﬁguration

IRIX and Linux use different conﬁguration tools.

IRIX Conﬁguration

The conﬁguration of the adapter is controlled by a number of parameters, which are

discussed in the IRIX /etc/config/xgcmd.options ﬁle.

To change the conﬁguration of your adapter, use the xgcmd command. For more

information, see the xgcmd man page.

Linux Conﬁguration

To change the conﬁguration of your adapter, use the ethtool(8) command. For more

information, see the ethtool(8) man page.

MTU Size Settings

The maximum transmission unit (MTU) size is controlled by the mtu mtu_size switch

of the ifconfig command. The most common MTU sizes are 1500 bytes

(standard-size Ethernet frames) and 9000 (jumbo Ethernet frames). The adapter

supports an MTU size of up to 9600 bytes. Conﬁguring the adapter to use jumbo

frames can increase network throughput and reduce CPU load, but only if the

network supports jumbo frames.

To conﬁgure the MTU size, follow these steps:

1. At the command prompt, enter the following command:

netstat -i

14 007–4669–003

1 2 ... 25 26 27 28 29 30 31 32 33 34 35 ... 40 41

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SGI Ethernet Card Guide de l'utilisateur Page 30