RoutingStatic Routing, RIPv1, RIPv2, RIPnG, IGRP, EIGRP, OSPF, IS-IS, BGPv4, ODR, GRE, MPLS,IPv6, Traffic Engineering, Policy Based Routing PBR, Route Filtering, Redistribution, SummarizationSwitching & BridgingCatalyst CatOS and IOS based Switches, VTP, STP, RSTP, Trunking, VLANs,Layer 3 Switches, Logical Etherchannels, Transparent Bridging, IRB, CRB, DLSW+, MLSIPSec, VPNs, Cryptography, Key Management, AAA Model (RADIUS, TACACS+, Kerberos), CiscoCAR RADIUS Proxy, Cisco Authentication Proxy, Access Lists, IOS Firewall, 802.1x, IOS SecurityFeatures, DMZ set ups, CBAC, DoS and common threats prevention, Cisco IDS / IPS (IntrusionDetection / Prevention System), Cisco CSA, Cisco Works VMS IDS MC / Firewall MC, CertificateAuthority (CA), PKI, Cisco Secure ACS Server, Cisco VPN Concentrator, Cisco ezvpn, Cisco PIX /ASA Firewall, VPN Client, Cisco Security Manager (CSM), Cisco MARS, Cisco NAC / CANAC,Netscreen Firewall, Astaro Firewall, Checkpoint / Nokia VPN-1/Firewall-1 NG, Linux IPTables.