Hi Anne,

I had the same thing with mii-tools and with ethtools
http://wiki.centos.org/TipsAndTricks/BondingInterfaces

I did check throughput on the switch and i do get GIG speeds

Cheers,
Carel



On Monday 16 November 2009 16:11:22 Anne Moore wrote:
> Hi all RH experts,
>
> I have bonded my two GIGI speed nic's on my red hat enterprise 4.0 server.
> They were (before the bonding) running at 1 GIGI speed. However, now that
> they are bonded together, it runs at 10Mbits. I used this procedure:
> http://www.cyberciti.biz/tips/linux-bond-or-team-multiple-network-interfaces
> -nic-into-single-interface.html
>
> I get the 10Mbits result when running the command mii-tool bond0.
>
> Any ideas what the problem here is? Or why I'm only getting 10Mbits now?
>
> Thank you for your assistance.
>
> Anne
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Anne Moore a écrit :
Hi all RH experts,

I have bonded my two GIGI speed nic's on my red hat enterprise 4.0 server.

They were (before the bonding) running at 1 GIGI speed. However, now that
they are bonded together, it runs at 10Mbits. I used this procedure:
http://www.cyberciti.biz/tips/linux-bond-or-team-multiple-network-interfaces
-nic-into-single-interface.html

I get the 10Mbits result when running the command mii-tool bond0.

Any ideas what the problem here is? Or why I'm only getting 10Mbits now?

Thank you for your assistance.


Hi,

I have the same thing :

# mii-tool -v bond0
bond0: 10 Mbit, half duplex, link ok
product info: vendor 00:01:00, model 0 rev 4
basic mode: 10 Mbit, half duplex
basic status: link ok
capabilities:
advertising:

It's "mii-tool" getting confused. What matters are the bonded interface
speed, not the speed of bond0 displayed by mii-tool.


Look at the speed of your physical interface and that will be the speed
of bond0.


# ethtool eth0
Settings for eth0:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 2
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: d
Link detected: yes


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Hello Carel

Thanks for the reply.

So, even though yours also say "10Mbit half-duplex" when running the
mii-tool bond0 command, you are actually getting full gigi speed still?

Did you setup round robin as your mode option?

Thanks

Anne

-----Original Message-----
From: redhat-list-bounces@redhat.com [mailto:redhat-list-bounces@redhat.com]
On Behalf Of Carel Lubbe
Sent: Sunday, November 15, 2009 11:19 PM
To: General Red Hat Linux discussion list
Subject: Re: Problem with bonded (teaming) NIC's on RHEL 4.0

Hi Anne,

I had the same thing with mii-tools and with ethtools
http://wiki.centos.org/TipsAndTricks/BondingInterfaces

I did check throughput on the switch and i do get GIG speeds

Cheers,
Carel



On Monday 16 November 2009 16:11:22 Anne Moore wrote:
> Hi all RH experts,
>
> I have bonded my two GIGI speed nic's on my red hat enterprise 4.0 server.
> They were (before the bonding) running at 1 GIGI speed. However, now
> that they are bonded together, it runs at 10Mbits. I used this procedure:
> http://www.cyberciti.biz/tips/linux-bond-or-team-multiple-network-inte
> rfaces
> -nic-into-single-interface.html
>
> I get the 10Mbits result when running the command mii-tool bond0.
>
> Any ideas what the problem here is? Or why I'm only getting 10Mbits now?
>
> Thank you for your assistance.
>
> Anne
--
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unsubscribe mailto:redhat-list-request@redhat.com?subject=unsubscribe
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Hi Anne,

Yes is the answer......
I think mii-tool has a problem with GIG speeds.
I have two NICs on my server eth0 and eth1
The switch they connect to show they have negotiated a GIG connection
When you run mii-tool for eth0 and eth1 it does not show that.

# mii-tool eth0
eth0: negotiated 100baseTx-FD flow-control, link ok
# mii-tool eth1
eth1: negotiated 100baseTx-FD flow-control, link ok

But if you use the more up to date ethtool you get a true report of eth0 and eth1

# ethtool eth0
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: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: g
Link detected: yes
# ethtool eth1
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: 1000Mb/s
Duplex: Full
Port: Twisted Pair
PHYAD: 1
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: g
Link detected: yes

I recon because the bond0 device is not a real device these tools cannot report correctly as its used by the OS depending on the bonding mode you set the interface up as to represent the real eth0 and eth1 to the OS as fail over or load balanced.

On Tuesday 17 November 2009 11:58:51 Anne Moore wrote:
> Hello Carel
>
> Thanks for the reply.
>
> So, even though yours also say "10Mbit half-duplex" when running the
> mii-tool bond0 command, you are actually getting full gigi speed still?
>
> Did you setup round robin as your mode option?
>
> Thanks
>
> Anne
>
> -----Original Message-----
> From: redhat-list-bounces@redhat.com [mailto:redhat-list-bounces@redhat.com]
> On Behalf Of Carel Lubbe
> Sent: Sunday, November 15, 2009 11:19 PM
> To: General Red Hat Linux discussion list
> Subject: Re: Problem with bonded (teaming) NIC's on RHEL 4.0
>
> Hi Anne,
>
> I had the same thing with mii-tools and with ethtools
> http://wiki.centos.org/TipsAndTricks/BondingInterfaces
>
> I did check throughput on the switch and i do get GIG speeds
>
> Cheers,
> Carel
>
>
>
> On Monday 16 November 2009 16:11:22 Anne Moore wrote:
> > Hi all RH experts,
> >
> > I have bonded my two GIGI speed nic's on my red hat enterprise 4.0 server.
> > They were (before the bonding) running at 1 GIGI speed. However, now
> > that they are bonded together, it runs at 10Mbits. I used this procedure:
> > http://www.cyberciti.biz/tips/linux-bond-or-team-multiple-network-inte
> > rfaces
> > -nic-into-single-interface.html
> >
> > I get the 10Mbits result when running the command mii-tool bond0.
> >
> > Any ideas what the problem here is? Or why I'm only getting 10Mbits now?
> >
> > Thank you for your assistance.
> >
> > Anne
> --
> redhat-list mailing list
> unsubscribe mailto:redhat-list-request@redhat.com?subject=unsubscribe
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Thanks for the info. This helps.

-----Original Message-----
From: redhat-list-bounces@redhat.com [mailto:redhat-list-bounces@redhat.com]
On Behalf Of SIG - Pédagogie
Sent: Monday, November 16, 2009 10:09 AM
To: General Red Hat Linux discussion list
Subject: Re: Problem with bonded (teaming) NIC's on RHEL 4.0

Anne Moore a écrit :
> Hi all RH experts,
>
> I have bonded my two GIGI speed nic's on my red hat enterprise 4.0 server.
> They were (before the bonding) running at 1 GIGI speed. However, now
> that they are bonded together, it runs at 10Mbits. I used this procedure:
> http://www.cyberciti.biz/tips/linux-bond-or-team-multiple-network-inte
> rfaces
> -nic-into-single-interface.html
>
> I get the 10Mbits result when running the command mii-tool bond0.
>
> Any ideas what the problem here is? Or why I'm only getting 10Mbits now?
>
> Thank you for your assistance.

Hi,

I have the same thing :

# mii-tool -v bond0
bond0: 10 Mbit, half duplex, link ok
product info: vendor 00:01:00, model 0 rev 4
basic mode: 10 Mbit, half duplex
basic status: link ok
capabilities:
advertising:

It's "mii-tool" getting confused. What matters are the bonded interface
speed, not the speed of bond0 displayed by mii-tool.

Look at the speed of your physical interface and that will be the speed of
bond0.

# ethtool eth0
Settings for eth0:
Supported ports: [ FIBRE ]
Supported link modes: 1000baseT/Full
Supports auto-negotiation: Yes
Advertised link modes: 1000baseT/Full
Advertised auto-negotiation: Yes
Speed: 1000Mb/s
Duplex: Full
Port: FIBRE
PHYAD: 2
Transceiver: internal
Auto-negotiation: on
Supports Wake-on: g
Wake-on: d
Link detected: yes


--
Nicolas

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