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Re: [K12OSN] New amer.com switch troubles



Update:

Found the problem of the lights flickering. Everything boots up to linux fine now, the only problem is that the server is still forcing itself to 100meg speed. How do I tell it to go at 1000meg?

----- Original Message -----
From: NONE NONE <gKw-X shaw ca>
Date: Monday, December 26, 2005 3:49 pm
Subject: [K12OSN] New amer.com switch troubles

> 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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