Emmanuel Noobadmin wrote: > On 7/7/11, Rudi Ahlers <Rudi at softdux.com> wrote: >> Yes, I figured that much, but I don't know what to look for. >> >> Some of the servers are Intel and other are SuperMicro, all using >> onboard NIC's. The Dell Windows servers connected to the same switch >> doesn't have this issue though > > I had a similar experience but on Windows machines. Connecting to a > DLink DES or DGS 1024, on two of the machines, having autoneg = > similar sympton as if the network cable is broken. Setting the NICs to > 100Mbps only fixed the problem. The common thing here seems to be > DLink switch and some other factor that effectively causes autoneg to > fail without fallback. Another quirky thing we ran into was having to change some cables. The newer cables allowed gigabit, and the older ones did not. mark