Movate
Location
Chennai | India
Job description
Warm greetings from Movate, Chennai !!!
We are hiring for TAC_Network Engineer based of Chennai_Ambit IT Park Immediate to 15 days Joiners can apply! Inbox your resumes to [email protected] Role: L1 Engineer Location: Chennai (Ambit IT Park) Shifts: Flexible to work in Night Shifts Job Responsibility: Troubleshoot/Diagnose all Level 1 issues from the customers and driving satisfactory resolution of the issues. Troubleshoot Product, Codes and Configuration issues Ensure consistent customer satisfaction Document all communication with customers in the CRM Interface with international customers (via Phone Support) Timely handoff (escalation) of cases that require technical or political to L2 TAC Primary Skills: OSI layers – detailed understanding of each layer’s function and relevant protocols that operates at each level TCP/IP – thorough understanding and clear explanation about windowing/handshake mechanism MAC header structure and use of each fields IP header structure and use of each fields ARP – how ARP works in a Layer 2 and Layer 3 communication Mac address table fields and how a switch uses MAC table for switching decisions ARP table and how a switch uses ARP table Routing Table fields and how a Router uses routing table for routing decisions DHCP protocol messages (clear understanding of DORA process) DHCP operation in layer 2 and layer 3 scenarios (server & client in same vlan or different VLAN) thorough understanding of Broadcast domain and Collision Domain thorough understanding of Unicast, Multicast and Broadcast traffic thorough understanding of Subnetting, Vlan, VTP, 802.1q, STP, Linkage thorough understanding of RIP (version 1 and 2) and OSPF (link states, LSA types, area types, router types, neighbor communication) Difference between Routing and Routed protocols Good troubleshooting approach (from Level 1 to 7 of OSI) How ARP learns the mac address in same subnet and different subnet Difference between hub,layer2 switch and layer 3 switch and router DHCP DORA process sender IP,mac and port number and destination IP,mac and port number OSI: how to troubleshoot in network with help of OSI model. Data link header Ip header TCP header Look into Wireshark capture 1:ARP learning process and it's flavour 2:How switch learns the mac address 3: DHCP server and Client communication in same network and different network 4:OSI headers Protocol and port number working OSI layer model and its learning of encapsulation and decapsulation 5: IP Addressing and Subnetting 6: Difference between layer two and three switch Thanks, Deepu [email protected]Job tags
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