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Re: Network Slowdowns?

From: nospam@xxxxxxxxxxxxx (Jamie)
Date: 13 Oct 2006 16:09:59 GMT

In <54438.>,
"Justin C. Sherrill" <justin@xxxxxxxxxxxxxxxxxx> mentions:
>On Fri, October 13, 2006 5:32 am, Jamie wrote:
>> Someone suggested changing the duplex settings on the other side, I know
>> it's running full duplex on DragonFlyBSD, but.. I don't know how to even
>> find out linux side. I'll have to research that I guess.
>ethtool eth0 (or eth1, or whatever it is)
>mii-tool (no args)
>ethtool will plop out a lot of data, while mii-tool is pretty terse, but
>both will specify speed and duplex.

Much thanks!

Well.. I don't know if I should be too thankful.. was hoping they'd be 
set differently.

Apparently, they're both set to full duplex:


ifconfig xl0
        inet netmask 0xffffff00 broadcast
        inet6 fe80::204:76ff:fe38:7274%xl0 prefixlen 64 scopeid 0x1 
        ether 00:04:76:38:72:74
        media: Ethernet 100baseTX <full-duplex>
        status: active

It doesn't say the speed, but can I assume 100baseTX means it's 100Mb/s ?

root@pong# ethtool eth0
Settings for eth0:
        Supported ports: [ TP MII ]
        Supported link modes:   10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Supports auto-negotiation: Yes
        Advertised link modes:  10baseT/Half 10baseT/Full
                                100baseT/Half 100baseT/Full
        Advertised auto-negotiation: Yes
        Speed: 100Mb/s
        Duplex: Full
        Port: MII
        PHYAD: 24
        Transceiver: internal
        Auto-negotiation: on
        Current message level: 0x00000001 (1)
        Link detected: yes

Duplex: Full .. I assume that is full duplex, so that can't be it.

I'll try to get boot -v if I can, not quite sure how to go about doing that. 

I guess I've had fairly good luck with networking because on the whole, it
usually has just "worked" for me.

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