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06-07-2004 10:01 PM
06-07-2004 10:01 PM
Is there a command to find out the speed at which a LAN interface is running in SuSE Linux.
I could locate two interfaces at 100 Mbps in dmesg (not sure if thats the correct method) , Still I could not locate the other two interfaces installed on my Node.
I hv four ethernet adapters in my node , And i want to check at what speed they are running.
Regds,
Kaps
Solved! Go to Solution.
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06-07-2004 10:30 PM
06-07-2004 10:30 PM
Re: How to find out the speed of LAN interface
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06-07-2004 10:34 PM
06-07-2004 10:34 PM
Re: How to find out the speed of LAN interface
I need more help !
# mii-tool -v
SIOCGMIIPHY on 'eth0' failed: Operation not supported
SIOCGMIIPHY on 'eth1' failed: Operation not supported
no MII interfaces found
#
Regds,
Kaps
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06-07-2004 10:45 PM
06-07-2004 10:45 PM
Re: How to find out the speed of LAN interface
In this case, I think it is dependent on what device you have. I know for some cards the only way you can know is to set the value yourself at boot time.
Can you tell us what cards you have.
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06-07-2004 11:04 PM
06-07-2004 11:04 PM
Re: How to find out the speed of LAN interface
I normally work on HPUX & AIX not Linux. Hence I collected the following details from dmesg. If u could space some more time to let me know what command u would like me to use,
dmesg says,
*************************
eth2: OEM i82557/i82558 10/100 Ethernet, 00:02:B3:BC:9E:0B, IRQ 18.
Board assembly a57171-003, Physical connectors present: RJ45
Primary interface chip i82555 PHY #1.
Secondary interface chip i82555.
General self-test: passed.
Serial sub-system self-test: passed.
Internal registers self-test: passed.
ROM checksum self-test: passed (0xb874c1d3).
eth3: OEM i82557/i82558 10/100 Ethernet, 00:02:B3:BC:9E:0C, IRQ 19.
Board assembly a57171-003, Physical connectors present: RJ45
Primary interface chip i82555 PHY #1.
Secondary interface chip i82555.
General self-test: passed.
Serial sub-system self-test: passed.
Internal registers self-test: passed.
ROM checksum self-test: passed (0xb874c1d3).
eth0: Broadcom BCM5703 1000Base-T found at mem f8ff0000, IRQ 24, node addr 00096b8cdeac
eth0: Broadcom BCM5703 Integrated Copper transceiver found
eth0: Scatter-gather ON, 64-bit DMA ON, Tx Checksum ON, Rx Checksum ON
eth1: Broadcom BCM5703 1000Base-T found at mem f8fe0000, IRQ 25, node addr 00096b8cdead
eth1: Broadcom BCM5703 Integrated Copper transceiver found
eth1: Scatter-gather ON, 64-bit DMA ON, Tx Checksum ON, Rx Checksum ON
bcm5700: eth0 NIC Link is UP, 100 Mbps full duplex
bcm5700: eth1 NIC Link is UP, 100 Mbps full duplex
*************************
From here i could make out eth0 & eth1 are running at 100 Mbps Full Duplex but no info regarding eth3 & 4.
Regds,
Kaps
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06-07-2004 11:06 PM
06-07-2004 11:06 PM
Re: How to find out the speed of LAN interface
read man for more info...
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06-07-2004 11:08 PM
06-07-2004 11:08 PM
Re: How to find out the speed of LAN interface
Sorry the err came on the wriong node .. On this node mii-tool -v gives me,
eth0: 100 Mbit, full duplex, link ok
product info: vendor 00:08:18, model 22 rev 2
basic mode: 100 Mbit, full duplex
basic status: link ok
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD
eth1: 100 Mbit, full duplex, link ok
product info: vendor 00:08:18, model 22 rev 2
basic mode: 100 Mbit, full duplex
basic status: link ok
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD
eth2: negotiated 100baseTx-FD flow-control, link ok
product info: Intel 82555 rev 4
basic mode: autonegotiation enabled
basic status: autonegotiation complete, link ok
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
link partner: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
eth3: no link
product info: Intel 82555 rev 4
basic mode: autonegotiation enabled
basic status: no link
capabilities: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD
advertising: 100baseTx-FD 100baseTx-HD 10baseT-FD 10baseT-HD flow-control
But it doesn't show at what speed eth3 & 4 are running , basic mode is Auto negotiation .. How can I find at what speed they have negotiated ?.
Regds,
Kaps
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06-07-2004 11:10 PM
06-07-2004 11:10 PM
Re: How to find out the speed of LAN interface
# man ethtool
No manual entry for ethtool
# which ethtool
#
I hope it is on a diffrent OS not SuSE Linux
Or is it a freeware which i can download and use ?.
Kaps
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06-07-2004 11:23 PM
06-07-2004 11:23 PM
Re: How to find out the speed of LAN interface
call ethtool shipped with redhat installation CD.
you can download the precompiled tar.gz from:
http://sourceforge.net/project/showfiles.php?group_id=3242&package_id=19201&release_id=172583
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06-07-2004 11:26 PM
06-07-2004 11:26 PM
Re: How to find out the speed of LAN interface
you can search for flags listed in
modinfo ETH_MODULE_NAME
using
find /proc/ -type f -exec grep -il
or something of that kind.
Pax, R>
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