SWITCH VCT – Virtual Cable Test

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if you don’t have a CableIQ qualification Tester you can use VCT to determine cable quality or detect problems on your LAN. Like an OTDR for fiber, VCT uses TDR technology to detect cable problems by analyzing the returning pulse signal on every pin of RG45. Latest version on most switches have this utility embedded on the firmware. If everything …

BGPv4 Aggregate routes

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Have you ever received many networks from your customers without being able to summarize with an IGP? And… have you ever had to make BGP transit for these messy networks to a carrier that accepts only /20 networks or even worse check on RIPE.NET database? Little trick with aggregate command: Warning: aggregate command not work if you advertize messy networks …

BGPv4 – setup a peering with an ISP

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What are infos/configurations that you have to tell to an Internet Service Provider when you set up a new internet peering? In an IT Company when the fuffa’s* officialisms are completed the technicians can finally go to the point. At the other side of the peering you have agreed to some parameters to set up the peer and exchange your …