Raghavendra Bhat wrote:

mii-tool -v eth0
eth0: 10 Mbit, half duplex, no link
product info: vendor 00:00:00, model 0 rev 0
basic mode:   10 Mbit, half duplex
basic status: no link
capabilities:
advertising:

and its connected to a 100Mbit hub


Try 'mii-tool -v --force-media=100baseTx-FD eth0' and then check whether
the link has been negotiated. I think that the link was not established
due to capability mismatch.

I have tried this, but nothing happens... Here is what i did:

server:~# mii-tool -v --force=100baseTx-FD eth0
server:~# mii-tool -v
eth0: 10 Mbit, half duplex, no link
  product info: vendor 00:00:00, model 0 rev 0
  basic mode:   10 Mbit, half duplex
  basic status: no link
  capabilities:
  advertising:

Very strange. I have tried a different port on the hub with no change to the above. BTW: All other servers are at 100base-Tx. Here is some more output:

server:~# mii-diag -a
Using the default interface 'eth0'.
Basic registers of MII PHY #32: 0000 0000 0000 0000 0000 0000 0000 0000.
Basic mode control register 0x0000: Auto-negotiation disabled, with
Speed fixed at 10 mbps, half-duplex.
Basic mode status register 0x0000 ... 0000.
Link status: not established.
Link partner information information is not exchanged when in fixed speed mode.
End of basic transceiver informaion.


server:~# ethtool eth0
Settings for eth0:

        Supported ports: [ TP MII ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Supports auto-negotiation: Yes
        Speed: 10Mb/s
        Duplex: Half
        Port: MII
        PHYAD: 0
        Transceiver: internal
        Auto-negotiation: off
        Supports Wake-on: pumbg
        Wake-on: d

The Ethernet Card is as follows:

server:~# lspci
00:0c.0 Ethernet controller: Realtek Semiconductor Co., Ltd. RTL-8139 (rev 10)


Any further help is greatfull.




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