IPv6 to IPv4 using proxies : lessons learned

Posted on by David Vassallo

As we progress into IPv6 networks, one of the more common transitory scenarios we will see will be similar to the following: Especially in earlier stages, it is to be expected that isolated “pools” of IPv6 networks will need to communicate with a still predominantly IPv4 internet. One of the many ways of facilitating this … Continue reading IPv6 to IPv4 using proxies : lessons learned

Configuring basic cisco network traffic monitoring with ntop and NetFlow

Posted on by David Vassallo

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