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• Category: Cisco ASA
  • Configuring IKEv1 IPSec site-to-site VPN with preshared-keys on Cisco ASA
  • Configuring Policy Based Routing on Cisco ASA
  • Configuring Cisco ASA active standby failover
• Category: Cisco IOS
  • Configuring and deploying Cisco IOS certificate server
  • How to configure Port Address Translation (PAT) on Cisco routers
  • Configuring a Cisco router or switch as a DHCP server
  • How to configure logging on Cisco IOS
  • Understanding CDP (Cisco Discovery Protocol)
  • Configuring SSH on Cisco routers and switches
• Category: Cisco routing
  • Configuring VRF-lite on Cisco routers
  • Configuring Generic Routing Encapsulation (GRE) tunnels on Cisco IOS
• Category: Cisco switching
  • Configuring 802.1Q tunnneling (Q-in-Q) on Cisco switches
  • Configuring private vlans on Cisco switches
  • Creating and configuring VLANs on Cisco Catalyst switches
• Category: Linux
  • Understanding file permissions and ownership on Linux
  • Configuring OpenDKIM to sign Postfix emails
  • Creating and using swap partitions on Linux
  • Customizing and colorizing Linux bash prompt
  • Customize bash history in Linux
  • Scheduling tasks using crontab in Linux
• Category: Network security
  • How to configure port security on Cisco switches
• Category: Tunneling
• Category: VPNs