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Link not detected - Red Hat Linux HP Blade DL380p Gen8

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Operating Systems Linux Red Hat Link not detected - Red Hat Linux HP Blade DL380p Gen8
# 1  
Old 10-17-2015
Link not detected - Red Hat Linux HP Blade DL380p Gen8
Hi Admins

One one of the RHEL 6 server, I am not able to detect 10G fiber link. ethtool is showing link not detected.

Code:
Settings for eth4:
        Supported ports: [ FIBRE ]
        Supported link modes:   1000baseT/Full
                                10000baseT/Full
        Supported pause frame use: Symmetric Receive-only
        Supports auto-negotiation: No
        Advertised link modes:  10000baseT/Full
        Advertised pause frame use: No
        Advertised auto-negotiation: No
        Speed: Unknown!
        Duplex: Unknown! (255)
        Port: FIBRE
        PHYAD: 1
        Transceiver: internal
        Auto-negotiation: off
        Supports Wake-on: d
        Wake-on: d
        Current message level: 0x00000000 (0)

        Link detected: no


Also

Code:
cat /sys/class/net/eth4/carrier
0


Cabling guys has plugged in the cables , but not seeing the blinks as well.

What could be the reason. I have tried to bring it up, no luck...
# 2  
Old 10-18-2015
No LEDs lighted nor blinking sound like a hardware problem. Is the receiving port on the other end (switch, hub, ...) OK?
# 3  
Old 10-18-2015
Thanks...

Its fixed. Something was wrong at the switch end. I had to setup the speed manually to 1G and it detected "yes".

thanks again.
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