cannot set speed to 1000/FD

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Folks,

I recently replaced a FE 3Com card in my Linux server (hostname is imladris) with a Netgear GigE card. I am unable to set it to 1000FD, no matter what I do. I tried forcing it using 'ethtool -s', and setting autoneg off and on. Rebooting didn't help. Using a different port on my GigE switch/hub didn't help.

BTW - I also put a duplicate Netgear GigE card into another Linux server (hostname is numenor; additional NIC, not a replacement -- if it matters). On numenor, that NIC is at 1000FD.

I have not yet tried swapping the port and ethernet cable between imladris and numenor...

Any other suggestions?  I included some system information below.

TIA,

Steve

---
[root@imladris ~]# ethtool eth1
Settings for eth1:
       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: 100Mb/s
       Duplex: Full
       Port: Twisted Pair
       PHYAD: 0
       Transceiver: internal
       Auto-negotiation: on
       Supports Wake-on: pumbg
       Wake-on: g
       Current message level: 0x00000033 (51)
       Link detected: yes
[root@imladris ~]# ethtool -i eth1
driver: r8169
version: 2.2LK-NAPI
firmware-version:
bus-info: 0000:01:05.0
[root@imladris ~]# uname -a
Linux imladris.steven-c-liu.com 2.6.22.9-61.fc6 #1 SMP Thu Sep 27 18:48:03 EDT 2007 i686 i686 i386 GNU/Linux
[root@imladris ~]#

---
[root@numenor ~]# ethtool eth1
Settings for eth1:
       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: pumbg
       Wake-on: g
       Current message level: 0x00000033 (51)
       Link detected: yes
[root@numenor ~]# ethtool -i eth1
driver: r8169
version: 2.2LK-NAPI
firmware-version:
bus-info: 0000:00:09.0
[root@numenor ~]# uname -a
Linux numenor.steven-c-liu.com 2.6.22.9-61.fc6 #1 SMP Thu Sep 27 18:48:03 EDT 2007 i686 i686 i386 GNU/Linux
[root@numenor ~]#



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