Cisco

• L2TP Tunneling
• OSPF On A DHCP Client Interface
• Enabling An Interface Using IP SLA And EEM
• DMVPN
  • IPv6 And OSPFv3 Over DMVPN
  • Multicast Over DMVPN
  • Hosting Multiple DMVPNs
  • DMVPN With Multiple VRFs
  • DMVPN With Internet In A Separate VRF
• Quick Reusable Config Patches
• PPTP VPN Server
• Automatic Bogon Firewalling Using uRPF and Team Cymru
• Dynamic DNS Updater
• Compare Running Config And Startup Config
• Automatic Config Archiving
• Configure Replace
• Assigning Static Routes To Clients Using DHCP
• DNS Redirection
• Using HSRP On A /30 or /31
• VLAN Pruning Trick
• Promoting An IP
• Cisco QoS
• VRF-aware NAT And Port Forwarding
• Bridge Groups And Double Tagging