To understand the OSI reference model and to master the basic principles of TCP/IP protocol.
To master the Ethernet/layer2 switching/VLAN principle/Spanning Tree/Bridge Domain/VXLAN
To master the mainstream WAN link (PPP/POS and so on), the working mode and the application scene.
To master the principle of OSPF/ISIS/BGP, the high-level characteristics and the complex application scene, to master the route import, the route policy principle and application scene.
To understand MPLS L3VPN, VPLS/VLL/CCC L2VPN, MPLS TE/Multicast/QoS very well.
The understanding of basic protocol of network management, to master the basic principle of SNMP and the network management operating system and the common database commands.
To understand the basic network security knowledge of the firewall working principle. IPSEC ACLs, f...
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