> CentOS 6.2.........
>
> Why do the physical interfaces report (correctly) that they're negotiated
> at 1000Mb/s, but when I `cat /proc/net/bonding/bond0` I get 100Mbps for
> the member interfaces, and when I ` mii-tool bond0` I get 10Mbps for the
> bond?
>
>
> -----------------------------------------------------------------------------------------
>
> ethtool em1
>
> Settings for em1:
> 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 pause frame use: No
> Advertised auto-negotiation: Yes
> Speed: 1000Mb/s
> Duplex: Full
> Port: Twisted Pair
> PHYAD: 1
> Transceiver: internal
> Auto-negotiation: on
> MDI-X: Unknown
> Supports Wake-on: g
> Wake-on: d
> Link detected: yes
>
>
> ethtool em2
> Settings for em2:
> 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 pause frame use: No
> Advertised auto-negotiation: Yes
> Speed: 1000Mb/s
> Duplex: Full
> Port: Twisted Pair
> PHYAD: 1
> Transceiver: internal
> Auto-negotiation: on
> MDI-X: Unknown
> Supports Wake-on: g
> Wake-on: d
> Link detected: yes
>
> -------------------------------------------------------------------------------------------------------------------
> cat /proc/net/bonding/bond0
> Ethernet Channel Bonding Driver: v3.6.0 (September 26, 2009)
>
> Bonding Mode: load balancing (round-robin)
> MII Status: up
> MII Polling Interval (ms): 0
> Up Delay (ms): 0
> Down Delay (ms): 0
>
> Slave Interface: em1
> MII Status: up
> Speed: 100 Mbps
> Duplex: full
> Link Failure Count: 0
> Permanent HW addr: XX:XX:XX:XX:XX:XX
> Slave queue ID: 0
>
> Slave Interface: em2
> MII Status: up
> Speed: 100 Mbps
> Duplex: full
> Link Failure Count: 0
> Permanent HW addr: XX:XX:XX:XX:XX:XX
> Slave queue ID: 0
>
> ---------------------------------------------------------------------------------------------------
>
> mii-tool bond0
> bond0: 10 Mbit, half duplex, link ok
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Just one piece of the puzzle...
>From mii-tool man page:
"This program is obsolete. Valid media are only 100baseT4,
100baseTx-FD,100baseTx-HD, 10baseT-FD and 10baseT-HD ethernet cards. For
replacement check ethtool."
Paul
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