Re: [LARTC] How to find the NIC Capacity / Bandwidth ?

Linux Advanced Routing and Traffic Control

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Dear Martin,

Thanks for the quickest response.
I've downloaded ethtool-1.6.tar.gz from the freshmeat.net, and customized the "ethtool.c"
It's giving the Speed of 10Mb/s.


regards,
Srikanth.

Martin A. Brown wrote:

Srikanth,

: Any body having idea to find the NIC Capacity / BW (10 / 100 Mbps) ?
: Whether the interface may be eth0/eth1/ppp0 or some other. Is there any
: related IOCTL avialable, if so just give the linux-2.4.18 file path.

For ethernet interfaces (devices), you should be able to determine the
negotiated speed with either a device specific diagnostic utility
(e.g., tulip-diag), or, with recent kernels and drivers, mii-diag,
mii-tool, and the preferred ethtool.

You can find the source to ethtool here:

http://freshmeat.net/projects/ethtool/?topic_id=146%2C150

If this doesn't provide your answer, you may find a faster (if terser)
answer from linux-net....as for determining speed of a serial link from
the interface or device--I have no idea!  Maybe somebody else on the list?

Best of luck,

-Martin







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