• Layer 2 functions like switching (unicast & multicast) , IEEE 802.1D (Spanning Tree Protocol), IEEE 802.1Q VLAN, IEEE 802.1ah (QinQ) , IEEE 802.1ah (Mac in Mac) & Port Analyser.
• Layer 3 functions like IPv4 & IPv6 (unicast & multicast) routing and tunneling methods (like IP-in-IP).
• Familiar with the working of networking protocols like OSPF, RIP and control Protocols like ARP, RARP.
• MPLS (Layer 2& Layer 3) technologies.
• Dos attacks ,ACL