Display actual speed of ethernet connection

[Stewart Williams]

Dave Feustel wrote:
> On Sun, Apr 19, 2009 at 05:39:21PM +0200, fedora wrote:
>> Hi Dave
>>
>> /sbin/mii-tool
>> eth0: negotiated 100baseTx-FD, link ok
> 
> Thanks for the reference.
> Man mii-tool says this utility does not cover 1G nics and is obsolete.
> It recommends ethtool instead. '/sbin/ethtool eth0' says that the ic is
> running at 100mb/s although it has 1G/s capability. So I am curious why
> the nic does not initialize to 1G or light up the port led on the 1G
> switch.
> 
>>
>> rpm -ql net-tools
>> /bin/dnsdomainname
>  /bin/domainname
>> /bin/hostname
>> /bin/netstat
>> /bin/nisdomainname
>> /bin/ypdomainname
>> /etc/ethers
>> /etc/netplug
>> /etc/netplug.d
>> /etc/netplug.d/netplug
>> /etc/netplug/netplugd.conf
>> /etc/rc.d/init.d/netplugd
>> /sbin/arp
>> /sbin/ether-wake
>> /sbin/ifconfig
>> /sbin/ipmaddr
>> /sbin/iptunnel
>> /sbin/mii-diag
>> /sbin/mii-tool
>> /sbin/nameif
>> /sbin/netplugd
>> /sbin/plipconfig
>> /sbin/route
>> /sbin/slattach
>> /usr/share/doc/net-tools-1.60
>> /usr/share/doc/net-tools-1.60/COPYING
>> /usr/share/doc/net-tools-1.60/README.netplugd
>> /usr/share/doc/net-tools-1.60/TODO.netplugd
>> /usr/share/locale/cs/LC_MESSAGES/net-tools.mo
>> /usr/share/locale/de/LC_MESSAGES/net-tools.mo
>> /usr/share/locale/et_EE/LC_MESSAGES/net-tools.mo
>> /usr/share/locale/fr/LC_MESSAGES/net-tools.mo
>> /usr/share/locale/pt_BR/LC_MESSAGES/net-tools.mo
>> /usr/share/man/de/man1/dnsdomainname.1.gz
>> /usr/share/man/de/man1/domainname.1.gz
>> /usr/share/man/de/man1/hostname.1.gz
>> /usr/share/man/de/man1/nisdomainname.1.gz
>> /usr/share/man/de/man1/ypdomainname.1.gz
>> /usr/share/man/de/man5/ethers.5.gz
>> /usr/share/man/de/man8/arp.8.gz
>> /usr/share/man/de/man8/ifconfig.8.gz
>> /usr/share/man/de/man8/netstat.8.gz
>> /usr/share/man/de/man8/plipconfig.8.gz
>> /usr/share/man/de/man8/route.8.gz
>> /usr/share/man/de/man8/slattach.8.gz
>> /usr/share/man/fr/man1/dnsdomainname.1.gz
>> /usr/share/man/fr/man1/domainname.1.gz
>> /usr/share/man/fr/man1/hostname.1.gz
>> /usr/share/man/fr/man1/nisdomainname.1.gz
>> /usr/share/man/fr/man1/ypdomainname.1.gz
>> /usr/share/man/fr/man5/ethers.5.gz
>> /usr/share/man/fr/man8/arp.8.gz
>> /usr/share/man/fr/man8/ifconfig.8.gz
>> /usr/share/man/fr/man8/netstat.8.gz
>> /usr/share/man/fr/man8/plipconfig.8.gz
>> /usr/share/man/fr/man8/route.8.gz
>> /usr/share/man/fr/man8/slattach.8.gz
>> /usr/share/man/man1/dnsdomainname.1.gz
>> /usr/share/man/man1/domainname.1.gz
>> /usr/share/man/man1/hostname.1.gz
>> /usr/share/man/man1/nisdomainname.1.gz
>> /usr/share/man/man1/ypdomainname.1.gz
>> /usr/share/man/man5/ethers.5.gz
>> /usr/share/man/man8/arp.8.gz
>> /usr/share/man/man8/ether-wake.8.gz
>> /usr/share/man/man8/ifconfig.8.gz
>> /usr/share/man/man8/mii-diag.8.gz
>> /usr/share/man/man8/mii-tool.8.gz
>> /usr/share/man/man8/nameif.8.gz
>> /usr/share/man/man8/netplugd.8.gz
>> /usr/share/man/man8/netstat.8.gz
>> /usr/share/man/man8/plipconfig.8.gz
>> /usr/share/man/man8/route.8.gz
>> /usr/share/man/man8/slattach.8.gz
>> /usr/share/man/pt/man1/dnsdomainname.1.gz
>> /usr/share/man/pt/man1/domainname.1.gz
>> /usr/share/man/pt/man1/hostname.1.gz
>> /usr/share/man/pt/man1/nisdomainname.1.gz
>> /usr/share/man/pt/man1/ypdomainname.1.gz
>> /usr/share/man/pt/man8/arp.8.gz
>> /usr/share/man/pt/man8/ifconfig.8.gz
>> /usr/share/man/pt/man8/netstat.8.gz
>> /usr/share/man/pt/man8/route.8.gz
>>
>>
>> suomi
>>
>>
>>
>> Dave Feustel wrote:
>>> I just got a gigabyte switch for my home network and I still
>>> haven't figured out how to display the tx/rx data rate of each
>>> nic connected to the switch. Also, the leds for the F9 computer
>>> is not lighted on the switch, although F9 is accessing the
>>> internet. 
>>>
>>> What command will display the rx/tx data rates of each nic?
>>>
>>> Thanks.
>>>

Make sure you are using a cat 5e or 6 cable for gigabit. If the cable is
old this could be why it only connects at 100Mb/s.