There are some reasons to use bind from ports and not from world. One reason could be if you want to use DLZ.

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It’s often nessesary to run wireshark with user rights.

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If you are running spanning tree you may get in trouble with anaconda network initialization. Spanning tree needs about a 30 seconds to bring the switch port up, so you may run in dhcp timeout.

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There are several command line options you can use with vSphere client.

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When your system has more than one network interface anaconda asks you which one you’d like to use for the kickstart process. This decision can be made at boot time by adding the ksdevice paramter and setting it accordingly. To run kickstart via eth0 simply add ksdevice=eth0 to the kernel command line.

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Some systems have this IDE emulation enabled for compatibility purposes. IDE module and devices are normally initiated by linux kernel before SATA modules and devices. So, our SATA device is blocked by IDE kernel module and can’t be used as native SATA device. Is also not possible to use this emulated IDE device with DMA, so we have a real performance problem with hard disk I/O on this system.

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It usefull sometimes to edit the initrd/initramfs image of the system. This howto describes the simple and usual way to do it.

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We are going to use the Cisco Discovery Protocol, CDP

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You may need it for example for an firmware upgrade of the disks on the storage system. Please ensure that you don’t have huge IO in the time frame and you applications will not timeout because of missing disk and will retry disk IO operations.

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