Arun Kumar Kotha Email & Phone Number

Hyderabad, In

Hyderabad, Telangana, India

Hyderabad, Telangana, India

Hyderabad, Telangana, India

Experience in configuration & troubleshooting DHCP, static NAT and PAT overload and static PAT and Access control list (Standard and extended).  Experience in configuration & troubleshooting leased line & wireless connectivity.  Configuration & troubleshooting redundancy protocol using HSRP, VRRP, GLBP Faults may include site completely down, HUB to SPOKE reachability, site on backup, routing issues, slow responses, packet losses, errors on the line, and authentication, etc. Steps taken to resolve them consist of co-coordinating remotely with the site contact to troubleshoot the issue, forcefully bringing the site onto backup if primary is failing, investigating and troubleshooting the router configuration and routing issues etc.  Fault including IVPN, MPLS VPN & L2 MPLS link. Creating new L2 path & checking the response with them. Testing the L2 link with Virtual Circuit break.  Troubleshooting on VRF’s which has last mile protocol as e-BGP, OSPF, RIP, EIGRP & Static routes as well.  Design, setup and configure complex switching

Hyderabad, Telangana, India

Experience in configuration and troubleshooting Cisco routers (800, 1800, 1900, 2800, 2900, 3700 and ASR 1000, 9000) & Fortigate firewalls (20C, 30D, 40C, 60C, 50E, 60D) & HP router MSR 900 and 3000 series  Configuration and troubleshooting switches Cisco catalyst L2/L3 (C2950 / C2960 / C3560 / C3750 / C3400 / C4500), & Huawei S5700 and HP.  Experience in configuration & troubleshooting DHCP, static NAT and PAT overload and static PAT and Access control list (Standard and extended).  Experience in configuration & troubleshooting leased line & wireless connectivity.  Configuration & troubleshooting redundancy protocol using HSRP, VRRP, GLBP Faults may include site completely down, HUB to SPOKE reachability, site on backup, routing issues, slow responses, packet losses, errors on the line, and authentication, etc. Steps taken to resolve them consist of co-coordinating remotely with the site contact to troubleshoot the issue, forcefully bringing the site onto backup if primary is failing, investigating and troubleshooting the router configuration and routing issues etc.  Fault including IVPN, MPLS VPN & L2 MPLS link. Creating new L2 path & checking the response with them. Testing the L2 link with Virtual Circuit break.  Troubleshooting on VRF’s which has last mile protocol as e-BGP, OSPF, RIP, EIGRP & Static routes as well.  Design, setup and configure complex switching environment, VLAN creation deletion, Trunking, Dot1q, various flavours of STP protocols.  Managing CE router for SIFY Managed customer where customer edge devices are CISCO, D-Link, Juniper router & FORTIGATE (FG-40C, 30C & 100C).  Telephonic/Mail co-ordination with respective ISP (TCL, TTML, MTNL, BSNL, RCOM) for early restoration of Circuit.  Remote Access to Cisco Routers, switches for checking connectivity till CPE (Customer Premises Equipment’s)  Providing support to the end users, troubleshoot customer queries on Transport Services Leased Lines & Data

Hyderabad Area, India

> The prime responsibilities are the operations and maintenance of the Value Added & Data Services for the countrywide TATA ISP Network, which include all the Wireless Data Services provided by the Operator under the brand name of TATA ISP.> Complete Ownership for DATA CORE NETWORK (DCN) AND CENTRAL NETWORK MANAGEMENT SYSTEM (CNMS)> Complete Access and Hands on experience on TELECOM Devices, ROUTERS and SWITCHES.> DCN AND CNMS Network link Monitoring> TATA VPN customer network connectivity ownership-fault rectification, troubleshooting.> Monitoring alarms of Cisco Switches (6513) and Core Routers (7609) towards ISP in Cisco Prime Infra Tool.> Monitoring and Fault management issues for CGF Server in Application manage Enginee tool. > Creating Trouble Tickets for Service Affecting/Threatening/Degrading issues.> 24 *7 Online Technical Support to IP TAC.Fault Management/Health checkup/1st level technical support of (Wi-Fi) Elite core AAA complex, BRAS servers, Wireless LAN controller & Routers and Switches. Work > Experience on Wi-Fi, Cisco Routers & Switches.> Operations and Maintenance of GSM (SGSN,GGSN) Packet core network.(Level-1 & 2).> Handling Cisco router 7609, Cisco catalyst switch 6513, 2960 and 4948.> Routine Health Checkups & fault Management. > 24 Hrs Online Technical Support to Fault Management / Packet Core TAC /TAC CORE Team depending upon the criticality of the issues escalated keeping SLA in mind. Resolving escalated individual customer complaints and service affecting issues.> Knowledge of routing protocols - RIP V1/V2, OSPF and EIGRP.> Good understanding of OSI Model, TCP/IP protocol suite (IP, ARP, ICMP, TCP, UDP, SMTP, FTP, TFTP).> Software Products and Tools IBM Tivoli TSRM & Net cool.

Bachelor'S Degree, Electronics And Communications Engineering

Associate'S Degree, M.P.C

High School