When studying IPv6 I always find it difficult to keep track of the different IPV6 address types. Here’s a handy table that summarizes the different address prefixes:
Nugget Post : IPv6 Addresses
Configuring basic cisco network traffic monitoring with ntop and NetFlow
If you are the admin of a cisco (and sonicwall now in the newer firmware) network, NetFlow is a good and easy way of gathering insight into what exactly is passing through your cisco. Apart from seeing link usage, netflow also allows the admin to see which protocols, ports and hosts are being used. This … Continue reading Configuring basic cisco network traffic monitoring with ntop and NetFlow
David Vassallo's Blog 
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