PROFESSIONAL SUMMARY:

• Very Passionate Sr Network Engineer having worked in projects that include Data Center refresh, Campus Redevelopment, Firewall and F5 Installations, with 8 years of experience in routing, switching, Network Security - Next-Gen Firewalls, Load Balancers, Wireless and VOIP systems design, administration and troubleshooting. Excellent communication skills with the ability to interface at all levels. A proactive team player who also can work independently.
• IT Professional with 8+ years of experience in routing, switching, firewall technologies, systems design, administration and troubleshooting. (CCNA, CCNP, PALO ALTO CERTIFIED)
• Senior Network Engineer having worked with multiple clients and network environments. High level understanding of switching, Routing, Firewalls, Network security, Application Delivery controllers and Wireless .
• Extensive knowledge in different networking protocols DHCP, DNS, FTP, VOIP (SIP, H.323, MGCP)
• Extensive experience with Cisco IOS, IOS-XR, IOS-XE, Nx-OS Windows client/server operating systems, Linux, Networking technologies, Firewalls.
• Implementing and configuring F5 LTM's for Virtual IPs and Virtual servers as per application and business requirements.
• Experience working with Cisco IOS-XR on the ASR9000 devices for MPLS deployments
• Experience working with Nexus 7K, 5K and 2K.
• Experience with virtualized ISE deployment across two network enclaves.
• Configured syslog-ng for Splunk implementation, Familiar with monitoring tools such as Nagios, Splunk, Solar winds.
• Unix/Linux Shell scripting skills as well as Ansible automation and analyzing logs using Perl.
• VMware ESX/ESXi, VMware vCenter, VMware VCSA and Windows 2008 R2 Hyper-V.
• Worked on large scale implementation and maintenance for SSH (Secure Shell), PKI/SSH, VPN, IPSEC, TCP/IP Monitoring.
• Worked on Application traffic security with WAF, F5 ASM, F5 APM for Authentication , Citrix NetScaler’s for ICA proxy, Citrix VDI, Microsoft Office 365, Azure AD, AWS, Zscaler Cloud based proxies, Cisco IronPort proxies and Blue Coat.
• Efficient at use of Microsoft VISIO/Office as technical documentation for diagram and presentation tools.
• Exposure to LAN/WAN setup, installation, configuration and troubleshooting.
• Experience of routing protocols like EIGRP, OSPF, RIP, BGP and IP addressing.
• Experience in testing Cisco & Juniper routers & switches in laboratory scenarios and deploy on site for production.
• Strong experience in Network security using ASA Firewall, Palo Alto, Cisco IDS/IPS and IPSEC/SSL VPN and implementing security rules.
• Knowledge and experience on F5 load balancers and Cisco load balancers ACE strategies/techniques
• Experience in working with Cisco Catalyst series 2900, 3850, 6800, 9300,9400,9500.
• Hands on experience in configuring Cisco Nexus 2232, 2248, 5548, 6001 and 7018(Sup 2E) and worked on nexus protocols VPC, VRF, VDC and FEX Links.
• IOS/JUNOS/Pan OS upgrade for Cisco & Juniper routers & switches and PA Firewalls.
• Experience with Enterprise Data Center: Cisco ACI, Virtualization, SDN. Software Defined Network (SDN) experience (Cisco ACI).
• Implementing, maintaining and troubleshooting switching tasks such as VLANs, VTP, VLAN Trunking using ISL & 802.1Q, STP, RSTP, PVST+, Ether channel using LACP and PAGP, Inter-VLAN routing, CEF and DCEF
• Good knowledge in WAN Technologies like ACL, NAT/ PAT, Ether Channel, IPSec and VPNs.
• Enhanced level of knowledge with, PPP, PAP, CHAP, ATM, T1 /T3 Frame-Relay, MPLS
• Experience in working with Cisco 2800, 3600, 3800, 3900, 4300, 4400, 4500, 7200, 7600 series Routers
• Demonstrated success record in managing multiple tasks with proven ability to meet deadlines and proactively identifying the problem to solve complex technical issues.
• Highly enthusiastic, creative team player, project implementation, analytical/critical thinking and debugging skills with excellent verbal and written communication skills.
• Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that includes EIGRP, OSPF.
• Responsible for turning up new BGP peering and customer sessions, as well as debugging BGP routing problem
• Managed, operated, and analyzed data from corporate security systems including Sourcefire IDS.
• Performed extensive traffic engineering to best utilize upstream transit providers and peering relationships, resulting in significant fiscal savings.
• Managed deployment and testing of code updates for wireless systems, such as WCS and WLC.
• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
• Recommended Security considerations for the Intranet data center, integrating security, providing solution design details and configuration details
• Proficient using the F5 based profiles, monitors, VIP’s, pools, SNAT, SSL offload, iRules, virtual Servers, IAPPS. Migration experience from ACE to F5.
• Designed WAN structure to prevent single point of failure in case of link failure.
• Technical assistance for LAN/WAN management and complex customer issues.
• Provided support for troubleshooting and resolving Customer reported issues.
• Experience with creating virtual servers and application load balancing, upgrading software versions, redirect rules on NetScaler and experience migrating from NetScaler’s to F5.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & administrative distance.

TECHNICAL SKILLS:

Networking Technologies: LAN/WAN Architecture, TCP/IP, Frame Relay, VPN, VLAN, VTP, NAT, PAT, STP, RSTP, PVST, MSTP

Networking Hardware: Cisco Switches, Cisco Routers, ASA/Pix/Palo Alto/Fortinet/Juniper firewalls.

Routing Protocols: OSPF, ISIS, EIGRP, RIP, MPLS, IS-IS, BGP, Multicasting

Security Technologies: PAP, CHAP, Cisco PIX, Blue Coat, Palo Alto, ASA, Fortinet, Checkpoint

Network Monitoring: Solarwinds, Wireshark, HRping, Whatsupgold, Infoblox

Operating Systems: Windows 10, Linux, Cisco IOS, IOS XR, IOS-XE, NX-OS

Routers: Cisco 4300, 4400, 4500,2600, 2800,3800,7200, Juniper M & T Series, ASR 1000

Load Balancers: F5 Networks (BIG-IP), Netscaler (Citrix)

Capacity & performance: Cascade Riverbed (Flow Monitor), WAN Killer

Switches: CISCO 2960,3750,3850, CAT 9300, CAT9400, CAT 9500,4500,6500,6800 Nexus 7k,5k,2k

Programming Languages: Ansible, Python

Simulation Tools: GNS3, VMware, OPNET IT GURU, OPNET Modeler, Cadence

Firewalls: Juniper Net Screen (500/5200), Juniper SRX (650/3600), Pix (525/535), ASA (5520/5550/5580 ), McAfee Web Gateway, Checkpoint, Palo Alto firewalls.

AAA Architecture: TACACS+, RADIUS, Cisco ACS

Features & Services: IOS and Features, HSRP, GLBP, VRRP, IPAM IRDP, NAT, SNMP, SYSLOG, NTP, DHCP, CDP, DNS, TFTP and FTP Management, Open Stack, IVR’s, HLD and LLD documents, Dell equal logics

PROFESSIONAL EXPERIENCE:

Confidential, San Jose, CA

Sr. Network Engineer

Responsibilities:

• Primary responsibilities include but not limited to implementation and troubleshooting of all LAN/WAN solutions.
• Worked on troubleshooting port issues regarding QSFP, CRC errors, Cable replacements in Production environment
• Worked on creation of MOP’s that include adding the port channels, duplex mismatch, speed connectivity on production devices.
• Experience in managing and upgrading multitude of Juniper devices: MX, SRX, EX, QFX
• Efficient use of Microsoft Visio as for technical diagrams, technical documentation andm presentation tools.
• Worked on TACACS/RADIUS server for VPN user authentication and network devices authentication.
• Designed and implemented a secure instant messaging system in Python providing interface state changes on the devices to support team
• Played important role in development of Python Enabled Test Framework
• Responsible for advanced enterprise wireless LAN administration and design, mesh networks, and point-to-point and point-to-multipoint topologies.
• Used DHCP to automatically assign reusable IP addresses to DHCP clients.
• Worked on assigning IP address and MAC address to the network devices
• Worked on port provisioning by allocating ports to the respective network devices
• Worked on BGP configuration for providing redundant internet connectivity using BGP attributes, Route maps, prefix-lists etc.
• Configured and administrated VLAN Trunking Protocol to reduce administrative overhead.
• Maintaining SSL certificate on Citrix NetScaler load balancer and managing the virtual servers
• Configuration, Troubleshooting and Maintenance of ASA Firewalls 5505, 5510, 5520, 5540, 5585.
• Automate task for system performance, networking monitoring, and configuration management using Perl, Python, and Shell Scripting.
• Involved in complete LAN, WAN development (including IP address planning, designing, installation, configuration, testing, maintenance, troubleshooting etc.)
• Configured network using routing protocols such as BGP, EIGRP, OSPF and troubleshooting L2/L3 issues. Configuring Switches with: VLANs, Trunking, VTP, TCP/IP, SNMP, FTP, TFTP.
• Palo Alto design and installation (Application and URL filtering, Threat Prevention, Data Filtering). Configured and maintained IPSEC and SSL VPN's on Palo Alto Firewalls.
• Worked on Juniper devices like M, MX, T routers on advanced technologies like, MPLS VPNs, TE and other service provider technologies.
• Managed AD Domain Controller, DNS and DHCP Servers and configurations
• Design, configuration, and maintenance of Cisco and Aruba wireless hardware.
• Involved in configuring IP, IPsec, MGRE/GRE tunnels, Multicast, NAT overload, VRF, Policy Based Routing (PBR), Dynamic Multipoint Virtual Private Network (DMVPN) and MPLS.
• Working in AWS Network Deployment team which includes pushing the code on the scratch devices into production environment
• Worked on network hardware devices Cisco 2921,6509, Nexus 3048, 7K switches & Cisco routers 72XX and 76XX
• Experience with F5 load balancers LTM and GTM and reverse proxy design and setup. Migration from A10 to F5.
• Configured and supported F5 load balancer and Citrix NetScaler load balancer to support corporate internal applications.
• Experience with F5 GTM and in-depth knowledge of DNS, Global level load balancing, Wide IP’ s, Zones, Prober pools, Delegation from Windows DNS server to listener IP.
• Design and implementation of the LAN IP infrastructure using Layer 2 / Layer 3 switching, VLAN, VPC, HSRP and Trunking / channeling technologies and routing protocol EIGRP and OSPF.
• Worked with Avaya Aura g700, g350, g250, g430, g450, g650 VOIP Gateways.
• Designing, configuring and troubleshooting QoS, SIP, H.323, RTP, SCCP, Session Border Controllers, Voice Gateways, Voice circuits IP/TDM, Cisco Telepresence Infrastructure, QoS, NAT, PAT, and multicast.
• Experienced provisioning SD-WAN service as automated failover solution for MPLS VPN by Cisco Meraki MX 80 Firewall
• Regular upgrade and maintenance of Infrastructure, Installing, configuring, and maintaining Cisco Switches (2900, 3500, 7600, 3700, 3850 series, 6500 series) Cisco Routers (4300, 4400, 4500,4800, 3800, 3600, 2800, 2600, 2900, 1800, 1700, 800), Juniper Routers and Firewalls, Nexus 7k, 5k & 2k, f5 BIG IP, ASA, Palo Alto Firewalls, Bluecoat Proxy and IWAN, ITIL Framework, Silver Peak, Riverbed Steelhead appliances.
• Designed, built, and deployed F5 Big IP load balancers (8900’s, Virions, Blades), F5 Big IP LTM Local Traffic Manager, F5 DNS Domain Name Services.

Environment: Cisco ASA Firewalls, F5 ADC, Cisco 3900 Routers, Cisco Catalyst switches 6500, 3750, 3550, 2960 Switches, Juniper SSG-140, Palo Alto Wildfire, Juniper EX series switches, Nexus 9k, 7k, 5k, ASR 9k, ASR 1k, Nexus 2000 FEX, Juniper SRX, Routing Protocols: BGP, OSPF, AAA (TACACS+ & RADIUS), TCL Scripting, ACL Configuration.

Confidential, Mountlake Terrace, WA

Sr. Network Engineer

Responsibilities:

• Installed and configured LAN/WAN Networks, Hardware, Software, and Telecommunication services- Cisco Routers and Switches. Implemented IPv4 and IPv6 on PTX platforms.
• Worked on Cisco wireless LAN technologies and Switching.
• Implementation and administration of PKI to include Enterprise Root CA and Subordinate CA design.
• Routing protocol configuration such as OSPF, IS-IS, EIGRP and BGP , Router redundancy configuration ( HSRP, VRRP and GLBP ) and Wireless LAN ( Access point , LWAPP ) .
• Experience with network management protocols/tools ( TACACS, NTP, SNMP, SYSLOG , etc.)
• Working experience on complex Checkpoint, Cisco ASA & Palo Alto Firewalls Environment .
• Experienced on working with Palo Alto Next Generation firewall with security, networking, and management features such as URL filtering, Anti-virus, IPsec VPN, SSL VPN, IPS, Log Management.
• Experience working with Juniper devices like EX-2200, EX-4200, EX-4500, MX-480, M Series, SRX650, SRX240 and Juniper J series J230, M 320 and MX960 routers.
• Resolved Customers request to create firewall policies for Cisco ASA, juniper SRX, Fortinet and NX-OS.
• Infrastructure configuration and troubleshooting for Windows Azure environments.
• Monitoring and troubleshooting traffic on PaloAlto firewall through Panoroma. Creating and modifying rules and objects on PaloAlto firewall through Panoroma.
• Riverbed Steelhead 550H WAN optimization installation and configuration
• Strong experience in Networking, including hands-on experience in providing network support, installation and analysis for a broad range of LAN/WAN communication systems.
• Involved in the Team of Data Center Operations to perform duties like administration and monitoring of Cisco Routers and Switches according to the organization requirements.
• Configuring and implementing Remote Access Solution: IPsec VPN, AnyConnect, SSL VPN.
• Provided technical support services for DNS and IPAM services.
• Implemented Quality of Service throughout the network infrastructure, was responsible for policy routing and provided SDN architecture .
• Integrate services appliances to Cisco ACI deployments to include Application Delivery Controllers and Firewalls
• Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
• Worked with Cisco Catalyst 6500, 4500, 3750, 3500, 2960 switches and Cisco 2800, 3600, 3800, 7200, 7600 and ASR 1000, 2000.3000,7000,9000 series routers.
• Installed and maintained routers and switches in various network configurations supported VLANs, QoS, VoIP, Call Manager and advanced access-lists.
• Designed and implemented a set of tools to provide fully automated configuration of F5 Networks BIG-IP load balancing systems.
• Strong hands on experience on PIX Firewalls, ASA (5540/5550) Firewalls. Implemented Security Policies using ACL, Firewall, IPSEC, SSL.
• Configured & maintained IPSEC Site-to-Site VPN using Cisco IOS.
• Experienced in Configuring/Troubleshooting Routing Protocols EIGRP/OSPF/BGP/RIP.
• Installed and Configured A10 (AX2500) load balancer as SLB for various application in backend.
• Troubleshoot layer1, layer2 and layer3 technologies for customer escalations.
• IP Allocation & Maintenance for users and other needs throughout company.
• Designed perimeter security policy, Implemented Firewall ACL's, allowed access to specified services, Configured Client VPN technologies including Cisco's VPN client via IPSEC
• Experience with converting Cisco 6500 IOS to Cisco Nexus NX-OS in the data center environment.
• Install and maintain the wireless infrastructure (Aruba, HP controllers) Configuration of SSID, VLAN binding, security management
• Assigning RADIUS and TACACS for new deployments in production environment. AAA for users to implement changes on production devices. Most of these devices are Cisco propriety.
• Developed, modified & enhanced existing and new Perl Packages, Perl frameworks and tools
• Built alert & monitoring scripts for applications & servers using Python & Shell Script

Environment: Cisco 12000, 7500, 3800 series routers and Cisco 3560 series switches, Juniper EX4200, EX3200 Switches, Juniper MX80, MX480, MX960 Routers, F5 ADC, FHRP: HSRP, GLBP, ASR 9000, Juniper SSG-140, Cisco Nexus Switches 2232, 5596, 7009, Checkpoint Firewall, VLAN, 802.1Q Trunking.

Confidential, Englewood, CO

Network Security Engineer

Responsibilities:

• Worked primarily as a part of the security team and daily tasks included firewall rule analysis, rule modification and administration
• Worked on configuring and troubleshooting of routing protocols such as OSPF and BGP for effective communication. Maintain LAN communication between Servers/Workstations .
• Remediation of firewall rules from checkpoint firewalls to Cisco ASA firewalls, installing and configuring new Juniper EX, MX, SRX series firewalls to meet day to day work.
• Configure and implement voice gateways (H323/MGCP/SIP), SRST for remote sites, CUCME and CUE distributed design.
• Responsible for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that includes routing protocols EIGRP.
• Responsible for turning up new BGP peering and customer sessions, as well as debugging BGP routing.
• Managed, operated, and analyzed data from corporate security systems including Sourcefire IDS.
• Performed extensive traffic engineering to best utilize upstream transit providers and peering relationships, resulting in significant fiscal savings.
• Managed deployment and testing of code updates for wireless systems, such as WCS, WiSM, and WLC.
• Configured and managed Cisco access layer routers and switches.
• Support Network Technicians as they require training & support for problem resolution including performing diagnostics, & configuring network devices
• Ensured that data center stayed as immaculate as possible to prevent unnecessary damage to computer.
• Recommended security considerations for the Intranet data center, integrating security, providing solution design details and configuration details
• Designed WAN structure to prevent single point of failure in case of link failure.
• Maintenance and troubleshooting of connectivity problems using Ping, Trace route.
• Planning and Implementation of subnetting, VLSM to conserve IP addresses.
• Configured STP for loop prevention and VTP for Inter-VLAN Routing.
• Troubleshooting issues and outages on Trunks and Router interfaces extensively.
• Technical assistance for LAN/WAN management and complex customer issues.
• Provided support for troubleshooting and resolving Customer reported issues.
• Performed route redistribution & manipulated route updates using distribute lists, route-maps & AD
• Worked on load balancers like F5 10050s, 10250v to troubleshoot and monitor DNS issues and traffic related to DNS and avoid DDoS
• Installed and configured SSH ( Secure Shell) encryption to access securely on Ubuntu and Red hat Linux .
• Deployment of Palo Alto firewall into the network. Configured and wrote Access-list policies on protocol-based services.
• Configured network access servers and routers for AAA security (RADIUS/ TACACS+)
• Implementing and troubleshooting (on-call) IPsec VPNs for various business lines and making sure everything is in place
• Installing and configuring new cisco equipment including Cisco 1900, 2900, 3900 series routers, Cisco catalyst switches 6807, 7010, Nexus 5500 and Nexus 2k as per the requirement of the company.
• Problem Solving and maintain documentation throughout the project life cycle.

Environment: Cisco 3750/3550/3500/2960 switches and Cisco 3640/ 0/3845/3600/2800 routers, Cisco ASA5510, Checkpoint, F5 Load Balancer Cisco Nexus7K/5K, Checkpoint, Cisco ASA

Confidential, Chicago, IL

Network Engineer

Responsibilities:

• Installing and configuring Juniper M series router along with Juniper switches QFX series
• Working Knowledge of frame relay, MPLS services, IPSec VPN's, OSPF, BGP and EIGRP routing protocols, NAT, sub-netting, also including DNS, WINS, LDAP, DHCP, TCP/IP, UDP, SNMP, OSPF, IPSEC, PPP, VLAN, VTP, STP (Spanning tree Protocol), RSTP & Multicasting protocols.
• Installed, configured and maintained several Cisco DMVPN routers servicing smaller sites, several Edge routers running BGP and MPLS to Internet service providers.
• Configuring F5 Load Balancers: Adding virtual IPs, nodes, pools and health monitoring.
• F5 Big IP iRules programming and troubleshooting.
• Worked on F5 solutions/support for migration work of applications and websites from Cisco CSS Load Balancers to the F5 Big IP Load Balancers.
• Configuring SNAT, High Availability on F5 BIG-IP appliances SSL termination and initiation, Digital certificates
• Experience on F5 load balancer to maintain balance in the network system with application specific usage. Experience with Firewall administration, Rule analysis, Rule modification.
• Troubleshoot traffic passing managed via logs and packet captures
• Responsible for reviewing current and planned network designs, particularly F5 load balancer implementations. Identified opportunities for implementation of network best practices.
• Implemented Quality of Service (QoS), Policy Maps, Class-maps, Policy Routing in the network infrastructure throughout all the different sites.
• Played responsible role for implementing, engineering, & level 2 support of existing network technologies / services & integration of new network technologies / services
• Worked with Cisco Layer 3 switches 3560, 3750, 4500, 6500; Cisco Nexus 5000 and 7000 in multi VLAN environment with the use of inter-VLAN routing, 802.1Q trunk, ether channel.
• Key contributions include troubleshooting of complex LAN /WAN infrastructure that include routing protocols EIGRP, OSPF & BGP.
• Established peering relationships with external ISPs, transit providers and partner networks at national Internet exchanges.
• Performed route filtering and route manipulation by applying distribute-lists, route-maps & offset lists respectively.
• Installed redundant BigIP F5 LTM and GTM load balancers to provide uninterrupted service to customers.
• Configured and deployed BIG-IP LTM 8900 for providing application redundancy and load balancing.
• Involved in design, implementation and configuration of HSRP for load balancing on L3 switches on different location of office on the switched network
• Identify opportunities and solutions for improving efficiencies with emerging technologies, including Cisco routers/switches and wireless systems.
• Deployed 7613 as PE and CE router and configured and troubleshoot the edge routers
• Generating RCA (Root Cause Analysis) for critical issues of layer1/layer2/layer3 problems

Environment: Cisco 3925, 2620, 1900 routers, Cisco 3750, 2950 Switches, Routing protocols: EIGRP, RIP, OSPF, BGP, FHRP: HSRP, Sniffing Tools: Ethereal, Wireshark, Port Security, SRX Firewall, VLAN, 802.1Q Trunking, Cisco ASA 5500.

Confidential

Network Engineer

Responsibilities:

• Configuring/Troubleshoot issues with the following types of routers Cisco (7200, 6500, 4500, 1700, 2600 and 3500 series), to include: bridging, switching, routing, Ethernet, NAT, DNS, DNAT , NTP, IPAM, DHCP and SNMP , as well as assisting with customer LAN /WAN
• Hands-on experience with WAN (ATM/Frame Relay), routers, switches, TCP/IP , routing Protocols ( BGP/OSPF ), and IP addressing
• Firewall policy administration and support on Checkpoint as well as Cisco ASA Firewalls.
• Configured firewall logging, DMZs, related security policies and monitoring.
• Creating private VLANs & preventing VLAN hopping attacks and mitigating spoofing with snooping & IP source guard.
• Performed network administration tasks such as creation and management of VLANS, Port security, Trunking, RPVST+, Inter-VLAN routing, and LAN security
• Worked with Cisco Catalyst 6500, 4500, 3500, 4900 switches and Cisco 2800, 3600, 3800, 7200, 7600 series and ASR 5k/9k series routers.
• Responsible for entire LAN and WAN maintenance and troubleshooting of the company network. Involved in the Team of Data Center Operations to perform duties like administration and deployment of Cisco Routers and Switches according to the organization requirements.
• Involved in Network Designing, Routing, DNS, IP Subnetting, TCP/IP protocol.
• Worked with Routing Protocols of EIGRP and BGP.
• Verified IDS platform coverage using multiple testing suites.
• Performed extensive traffic engineering to best utilize upstream transit providers and peering relationships.
• Developed scripts for migration or config push for Maintenances using Python and Shell
• Developing scrips for automating the deployment process/ config push into Cisco devices using python
• Provided port binding, port security and router redundancy through HSRP
• Hands on experience working with security issue like applying ACL, configuring NAT and VPN.
• Involved in troubleshooting of DNS, DHCP and other IP conflict problems
• Responsible for the installation, configuration, maintenance and troubleshooting of the company network.
• Duties included monitoring network performance using various network tools to ensure the availability, integrity and confidentiality of application and equipment.
• Experience in Cisco switches and routers, Physical cabling, IP addressing, WAN configurations.
• Involved in configuration & troubleshooting of routing protocols: MP-BGP, OSPF, EIGRP, RIP, BGP v4.
• Switching related tasks included implementing VLANS, VTP, STP & Trunking protocols (802.1q and ISL) and configuring on the Fast Ethernet channel between switches.
• Performed troubleshooting of connectivity problems using PING, and Trace route.
• Done troubleshooting of TCP/IP problems and connectivity issues in multi-protocol Ethernet environment.
• IOS upgrade 1900, 2900, 3500 series Cisco Catalyst switches and 2500, 2600, 3600 series Cisco routers using TFTP