Re: Duplex problems with NFS mounts

From: Frank Sweetser (fs_at_erwin.wpi.edu)
Date: 02/26/04 

Date: Wed, 25 Feb 2004 23:29:37 +0000 (UTC)

Swordsman <drswordsman@msn.com> wrote:
>
> I am running Suse 9.0 with Kernel 2.4.24, whith a IBM Opteron Box, internal
> 10 / 100 / 1000 Meg Broadcom ethernet. Whenever I enable full duplex at 100
> Meg I take HUGE errors while connected to a Cisco 6505 Switch. If I set up
> for auto auto, it negotiates to 100 Half Duplex and seems to be stable. Anyone
> run into any similar problems ?

Sounds like the switch is forced to 100 half, so when you force your end to
full duplex, you pretty much break networking. Read
http://www.scyld.com/expert/NWay.html and be enlightened. 

-- 
Frank Sweetser fs at wpi.edu
WPI Network Engineer

Relevant Pages

  • duplex negotiation
    ... I have a link between a baystack switch and a cisco 1841 router, ... same setup and same configuration at 70 other sites and have not seen ... when both ends were auto auto they came up 100/half, ... the duplex on the switch only to full then the link was running 100/ ...
    (comp.dcom.sys.cisco)
  • Re: Duplex problems with NFS mounts
    ... > Meg I take HUGE errors while connected to a Cisco 6505 Switch. ... > for auto auto, it negotiates to 100 Half Duplex and seems to be stable. ... Auto-negotiation is somewhat problematic. ...
    (comp.os.linux.networking)
  • Re: Duplex problems with NFS mounts
    ... Thanks Frank, ... have control over the switch to confirm its configuration and Full Duplex ... it negotiates to 100 Half Duplex and seems to be stable. ... >WPI Network Engineer ...
    (comp.os.linux.networking)
  • Re: two NICs and speed issues
    ... > So if you disconnect the modem the transfers are fast on the ... > will give you a listing of each interface. ... > connections you want to have full duplex set. ... > between the NIC and the switch you will see the error count increase ...
    (Fedora)
  • Re: Mysterious problem on my clients Windows Server 2003 Network
    ... I changed the switch today and I'm still getting the bad checksums. ... cable is configured to 100Mbps full duplex and the other end to ... would lose connection to the server and/or connection to the internet, ...
    (microsoft.public.windows.server.networking)