NIC speed

Tech Guy tek_guy at rediffmail.com
Mon Jan 30 14:50:08 UTC 2006


Hello,
  
FTP connection is kind of slow on my server running Redhat 3.0
When I tried to view the NIC speed using mii-tool and ethtool, they both show different speeds. mii-tool shows 100Mbps and ethtool shows 1000Mbps

# mii-tool -v eth0
eth0: negotiated 100baseTx-FD, link ok
  product info: vendor 00:aa:00, model 56 rev 0
  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


# ethtool eth0
Settings for eth0:
        Supported ports: [ TP ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
                                1000baseT/Full
        Advertised auto-negotiation: Yes
        Speed: 1000Mb/s
        Duplex: Full
        Port: Twisted Pair
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: on
        Supports Wake-on: umbg
        Wake-on: d
        Current message level: 0x00000007 (7)
        Link detected: yes

dmesg shows "e1000: eth0: e1000_watchdog: NIC Link is Up 1000 Mbps Full Duplex"

which is the correct setting? is it 100 or 1000 Mbps ?
what could be the cause for a slow FTP connection. All other servers are fine except this.

I appreciate your suggestions and help

Thx in advance
TG
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