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Configuring the Ethernet Interface for Linux Systems
64
6. Save the /etc/network/interfaces file.
7. Reboot your Linux system.
8. Verify that your AT-2711 series adapter is running 100 Mbps in the full-
duplex mode by entering the following command:
ethtool eth
x
The command output should display:
Advertised Auto-Negotiation is No
Speed is 100
Duplex mode is Full
9. Repeat step 8 for all of the Ethernet interfaces of AT-2711 series
adapters on your system.
Configuring an
Ethernet
Interface on Red
Hat
To configure Ethernet interfaces of AT-2711 series adapters:
1. Ensure that the ethtool utility is installed on your system.
Note
To verify that the ethtool utility is installed or install the ethtool
utility on your system, consult the documentation for your Red Hat
distribution.
2. Obtain the name of the Ethernet interface for the AT-2711 series
adapter, such as eth0 and eth1, by entering the following command:
ifconfig
You have one Ethernet interface per AT-2711 series adapter card.
Note
To identify the Ethernet interface of the AT-2711 series adapter,
match the MAC address of the eth
N
interface that the ifconfig
command displays with one on the label of the shipping package.
3. Create a new file with the name “ifcfg-eth
x
“ in
/etc/sysconfig/network-scripts directory.
For example, if the name of the Ethernet interface that you obtained in
step 2 is eth2, then create a new file with the name “ifcfg-eth2.“
4. Edit the ifcfg-eth
x
file to include the following information: