Lessons Learned: Cisco Catalyst Q-in-Q

Posted on by David Vassallo

Today I had the chance to work on a scenario where cisco Q-in-Q was needed. Basically, Q-in-Q is a method wherein a vlan (normally that of a customer) is left intact, and encapsulated within another vlan (normally that of a provider). So it's vlan-within-a-vlan. There are plenty of guides on the internet that explain it, … Continue reading Lessons Learned: Cisco Catalyst Q-in-Q

Clavister Firewalls: Top 5 useful console commands

Posted on by David Vassallo

This document provides a short description of the most widely used Clavister (click here for more information) console commands from experience. Note: for more information about any of the commands listed below, please type in help [command]. The below commands apply to Clavister CorePlus v8.9.x pcapdump This command starts up the packet capture mechanism on … Continue reading Clavister Firewalls: Top 5 useful console commands