The network cannot be connected...

The network cannot be connected... -- Linux general technology-Linux technology and application information. The following is a detailed description. Fedora 10 appears when you log on with ruijie:
[Root @ languo Ruijie] # xrgsu-d ifup eth1
XRGSupplicant 1.1.1
Ruijie Network CopyRight 2004-2005
Please input your user name: 069034181
Please input your password:
You have 2 Nic:
0. eth0 Desc: (null)
1. eth1 Desc: (null)
Please select which NIC will be used (0-1, Default: 0) 1
WARNING: IintNIC: NIC eth1 does not exist (3)
Get parameter error!
What is the reason? Is the driver not installed?
Thank you !!!


There are other related logon information:

[Root @ languo Ruijie] #


[Root @ languo lan] # linux1x-d
Please enter your user name (less than 128 characters): 069034181
Please enter your password (less than 64 characters ):
Please choose a network adapter:
1. eth0
2. eth1
Enter the number of your choice (1-2 [1]): 2

Start 802.1X authentication
Device check
Server check
Unknown network error
Authentication failed

Thank you for your guidance! Thank you !!!