Re: Help! Instable network on 6.06 based SuperMicro server with e1000 Intel driver



Floris Vlasveld wrote:

And, the output of "ethtool eth0" and eth1:

Settings for eth0:
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: umbg
Wake-on: g
Current message level: 0x00000007 (7)
Link detected: yes

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: umbg
Wake-on: g
Current message level: 0x00000007 (7)
Link detected: yes

I have similar SuperMicro servers with no issues. I'd look first at the
switch this server is connect to and make sure the ports are set to auto
negotiate just like your interfaces are. If they are set to auto
negotiation, then I'd force them to 100/full and do the same to your
server's network cards. I've seen speed/duplex mismatches cause lots of
odd problems before.

Aside from that, I'd be looking for hardware issues. See anything odd
in the logs?


Nick


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