sun sparcstation5 网卡问题

[weixin_38054293]

在sun sparcstation5上调试内置网卡
ok test net
test lo0 internal loopback successfully
test le0 internal loopback successfully
test lo0 extend loopback successfully
test le0 extend loopback too many entires ... failed

ok boot -r
....
....
<no errors>;
# cat /etc/hosts
127.0.0.1  localhost loghosts
192.168.0.111 gpc

# cat /etc/nodename
gpc
# cat /etc/hostname.le0
gpc

# ifconfig le0 192.168.0.111 netmask 255.255.255.0
# ifconfig le0 up
# route add default 192.168.0.254
# ping 192.168.0.254

no answer ...
ping 127.0.0.1
host is alive
ping 192.168.0.111
host is alive
ping 192.168.0.110 (other pcs all of them can be ping)
no answer

排除网线交换机故障,用568A-568B连PC(win2k192.168.0.109)网卡(3c556)灯亮显示为10M
ping 192.168.0.111
不通
请高手回答,是不是要换主板,如果换了MAC地址如何保持原来的.