[K12OSN] New amer.com switch troubles
John Baillie
jbaillie at stmarys-school.org
Tue Dec 27 02:01:45 UTC 2005
How sure are you about the integrity of the cabling?
NONE NONE wrote:
>Hello,
>
>I just got the new amer.com switches and hooked them all up, and now things aren't working. I have checked all the connections, it's wired correctly, but none of the student pcs will boot to linux anymore.
>
>Here is the setup:
>
>Server goes into port 1 of sgd8 (8x1000meg ports)
>Port 2 of sgd8 goes into port 25 of sr24g2 (24*100meg, 2*1000meg)
>Various ports from 1-24 of sr24g2 go into the student pcs
>
>One problem I can see is that the connection from the server into the sgd8 is listed as 100meg on the switch itself, even though the server can put out 1000meg. I think maybe the card in the server is configured to put out something wrong. How can I check what it is putting out and how can I change it? I assume it should be putting out 1000meg full duplex. Here is what ethtool says:
>
> 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 tried running this:
>
>ethtool -s eth0 duplex full speed 1000
>
>But ethtool still says the same thing as pasted above, and the switch still says 100meg speed. Also, all of the lights on the switches are just flashing like crazy.
>
>Thank you for any help, it is much appreciated! And merry christmas!
>
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>
>
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