If you have sun4u kernel drv ce platform installed on your computer, this guide will help you solve this problem.

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    platform sun4u kernel drv ce

    The Sunsolve doc isn’t very good either. Someone needs to update it..

    It’s very important to note that auto-negotiation is enabled by default (the preferred method), and it’s very rare nowadays to force elevation and duplex on both sides of a link, unless you’re usually trying to debug the link – Issues or a workaround for an old Exchange bug.

    1) Find the hardware path names related to CE devices in the system tree.

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    The device name is the path in the /etc/driver_aliases file enclosed in quotes (will always be “pci108e,abba”)

    The parent prenames the path to the device “/[email protected]” from the file /etc/path_to_inst.

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    Set some options for the above devices using the /platform/sun4u/kernel/drv/ce.conf file.

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  • For all three options, make sure clients double values ​​in values:

    In all of the following examples, all instances of ce interfaces are set to 100MB full duplex.

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    If you want to set all interfaces to the same duplex and speed, you don’t need a name, parent or chassis, just one line:

    3) After the clients have set the parameters, save the file /platform/sun4u/kernel/drv/ce.conf.

    Settings can now be confirmed with ndd after checking the capabilities of this device

    # ndd -set /dev/ce instancefive; ndd /dev/ce adv_autoneg_cap — ndd /dev/ce adv_100fdx_cap

    You may also see some registry settings in the output associated with “prtconf 2: -v”

    Note that pressing “ce” can also force the link partner (Switch Convey) to the same speed and/or duplex.

    Note 3: We strongly recommend that you do not disable the auto-rejection feature unless users really need it.

    Configuring NIC acceleration and duplex
    Solaris often has difficulty negotiating duplex settings correctly when a link partner (for example, you can force certain NICs to operate at 100 Mb full duplex using auto-negotiation and the 100 Mb half-duplex kill capability) .

    1. Change system usage.
    # ndd -set /dev/hme adv_100hdx_cap number 0
    ndd -set /dev/hme adv_100fdx_cap 1
    number ndd -set /dev/hme adv_autoneg_cap 0< / p>2. Change kernel options to reserve speed and duplex settings on reboot.
    # vi /etc/system

    Note. Any changes made to /etc/system affect all hme user interfaces, if there are severalx network adapters (e.g. hme0, hme1).

    The /etc/system options listed above are generally not supported for configuring CE Ethernet adapters at boot time; Clients can use ndd commands after creating the /etc/rc?.d script or the /platform/sun4u/kernel/drv/ce.conf file with the appropriate options.

    ndd -defined /dev/ce instance Ndd 0
    -set /dev/ce adv_1000fdx_cap Ndd 0
    -set /dev/ce adv_1000hdx_cap Ndd 0
    -set /dev/ce adv_100fdx_cap 1< br > ndd -set /dev/ce adv_100hdx_cap Ndd 0
    -set /dev/ce adv_10fdx_cap Ndd 0
    -tv set /dev/ce adv_10hdx_cap Ndd 0
    -set /dev/ce adv_autoneg_cap 0

    $dmesg | grep CE0 genunix: [ID 408822 kern.info] NOTE: ce0: no random external device errors; available from
    Jan 20 11:05:15 crmmdb22 genunix: [ID 611667 kern.info] WARNING: ce0: xcvr addr: 0x01 – duplex link loads at 100Mbps

    If you have ce or possibly bge interfaces, use kstat or ce kstat bge respectively to return the network card capabilities. All other interfaces can use ndd to determine network adapter settings.

    # ndd -develop /dev/hme link_mode
    Interpretation:
    0 – half duplex
    Step 1 – full duplex

    # ndd -get /dev/hme link_speed
    Interpretation:
    0 – 10 Mbps
    1 – 100 Mbps
    1100 – 1 Gbps

    To request a completely differentFor a different network adapter, such as hme1, set the instance-specific value to 1, and then run the link_mode and link_speed queries above.

    Note. Some of the above commands need to be run as root. Otherwise, you’ll get errors like “Could not send course ‘hme0’ so there is no device and this might be an address.”

    Older versions of the Sun Ethernet Gigawift 1.0 driver do not support the ndd and link_mode link_speed options. You can either install the latest Sun GigaSwift Ethernet Adapter patch (111883) or use kstat ce ce_device if you need speed and duplex data for ce Ethernet adapters.

    Interpretation:
    link_up – nothing, 1 up
    link_speed – full speedup in Mbps
    link_duplex – 2 half duplex, 2 full duplex, 7 incoming

    Example of mismatch between host and interconnect partner
    An excessive number of output errors or problems may indicate a mismatch between host a and interconnect partner. Now here is the output of netstat -in on a system optimized for 100 when configuring the conversion from half duplex to 100 to po no duplex mode.

    platform sun4u kernel drv ce

    Mtu Net/Dest Address Ipkts Ierrs Opkts Oerrs Collis Ce0 queue
    1500 192.168.1.0 192.168.1.1 2707133478 2895422910 25 142310052 182856975 0

    In this example, the switch has been optimized for half duplex 100 and the approach configured for full duplex 100. Ierrs/Ipkts rating percentage (~1.7%).

    Mtu Net/Dest Address Ipkts Ierrs Opkts Oerrs Collis Qfe1 queue
    1500 10.0.0.0 10.0.0.3 1430247 24663 1779341 0 nothing 0

    CHANGELOG
    07/10/2007 – Added e1000g interfaces.
    11/29/2006 – Added Dmfe interfaces, placed bge and ce interfaces, many changes and fixes.
    04/27/2006 Solaris – 7 and earlier versions include subinterface suggestions with netstat -i. Fix Royce Williams to query only physical network interfaces.

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