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DWDM – What is DWDM?

DWDM – What is DWDM? Short for Dense Wavelength Division Multiplexing, an optical technology used to increase bandwidth over existing fiber optic backbones. DWDM works by combining and transmitting multiple signals simultaneously at different wavelengths on the same fiber. In effect, one fiber is transformed into multiple virtual fibers. So, if you were to multiplex […]
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Screen shot Mac – Take a screen shot on your mac

Screen Shot Mac – Take a screen shot on your mac To capture the entire desktop, press Command-Shift-3. The screen shot will be automatically saved as a PNG file on your desktop. To copy the entire desktop, press Command-Control-Shift-3. The screen shot will be placed on your clipboard for you to paste into another program. […]
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ÔªøSolaris NIC speed and duplex settings

ÔªøSolaris NIC speed and duplex settings Setting NIC speed and duplex Solaris is often unable to correctly auto-negotiate duplex settings with a link partner (e.g. switch), especially when the switch is set to 100Mbit full-duplex. You can force the NIC into 100Mbit full-duplex by disabling auto-negotiation and 100Mbit half-duplex capability. Example with hme0: 1. Make […]
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