Network Consultant
Advanced Business Computing
Total years of experience :19 years, 7 Months
Design & Configured Cisco Nexus 7010 Datacenter Core switches at a spine layer in multiple VDC and intercommunication VDC with F2 and M2 modules.
• Design & Configured Cisco Nexus 5596/5548 leaf switches connecting with 2232 and 2248 fabric extenders for connecting redundant serves in datacenter.
• Design & Configured fabric path on Nexus 7k and 5K to utilize all the link between the 7K and 5K,
• Design & Configured 7k/5K in VPC+ mode for Classical Ethernet network
• Design and Configured Cisco 6509 Core Switches in VSS mode for Enterprise LAN users.
• Configured Cisco 4506 on Access layer and 4500X on Distribution layer in VSS mode for LAN user’s redundancy.
• Configured F5 load balancer devices for Microsoft SharePoint server.
• Configured 2900X/3650/3750/ series switches for Access layer with 802.1X security.
• Designed & Configured Adaptive Security Appliance (ASA) firewalls in Active/Standby mode with firepower module for Perimeter Security and Extranet.
• Designed & Configured Cisco ISE servers for wired and wireless endpoint security, posture assessment, BYOD configuration for the corporate users.
• Design & Configured Juniper SRX650 in Active/Standby mode for Perimeter Security with DMZ zone.
• Designed & Configured Secured Demilitarized Zone for Corporate Crucial Business Servers for Corporate Branch Locations connecting HQ with ASA, SRX, Fortinet firewall.
• Configured Firewall Service Module (FWSM) / (ASASM) for Inter Vlan Security.
• Designed & Configured Remote VPN, Easy VPN and site-to-site VPN for Corporate users on ASA, Fortinet firewall.
• Configured Fortinet UTM firewall with features such as URL filtering, DLP, Application filtering, Antivirus, Intrusion Prevention system, SSL inspection, FSSO.
• Configured Cisco ASA firepower UTM with features such as URL filtering, Application filtering, Intrusion Prevention system, SSL inspection, Anti Malware, file protection, access control, Network Discovery and integration with active Directory.
• Configured Cisco Network Admission Control (NAC) for LAN and Remote Location and VPN users for Enforcing Security.
• Configured Cisco Intrusion Prevention (IPS) for Deep Inspection of packets traversing from the LAN towards Internet on ASA firewall
• Configured Cisco Content Security Control (CSC) for threat protection and content control at the Internet edge providing comprehensive antivirus, anti-spyware, file blocking, anti-spam, anti-phishing solution for customer.
• Designed and Configured Cisco Iron Port Appliance Web Security (S160) which protects perimeter by Malware and Web-based threats.
• Configured Cisco Security Manager for Managing Cisco Security Devices.
• Configured Juniper Net screen ISG 1000, 520 Firewalls in 2-tier level security (Inter-Vlan LAN Security).
• Designed Cisco IP Telephony Solutions & Configured Cisco Unified Call Manager in distributed Call forwarding for Branches and HQ with multiple subscribers across the WAN, Configured cluster of Cisco Unity Connection & multiple cluster of Cisco Unified Presence across the WAN.
• Designed & Configured for medium size corporates Cisco UC solutions with Voice gateway using an MGCP protocol acting as survivable remote site telephony SRST in case of Cisco Unified Call Manager Failure in HQ.
• Configured Analog voice Gateway 204, 224 for small and large corporate.
• Designed & Configured Call Manager Express for Small Business Corporate up to 200 users with a SIP trunk connection to ITSP for PSTN reachability.
• Configured Cisco Telepresence SX20 for Intra Company Telepresence communication & Telepresence ISDN Link for Video conferencing with multiple countries.
•Configured Imagicle Stonefax server for soft fax & Imagicle Billing system for accounting of PSTN calls.
• Designed & Configured Cisco Digital Content Manager with DVBS2 Card for Television Channel (Streams) receiving from Satellite.
• Configured Multicasting in the Corporate LAN for received Television Channel (Streams) from Digital Content Manager.
• Specific duties consist of supporting 3000+ seat LAN users. Assist on various tasks involving implementation of new LAN setup.
• Handling LAN / WAN Network between UK, Australia & India.
• Designed, Project Planned, and configured VLANs, Inter VLAN Routing, VTP, and ACLs for basic security between VLANs for 2 x 6500 Cisco Core Switches.
• Configuring the MSFC and implementing HSRP on Catalyst 6509
• Configured 25 x Catalyst 4006 switches at the access layer of the Campus LAN
• Backup configuration of Cisco Routers 7200, Switches 4006, 6509 & 3550, 3750, 2950 and Firewalls 525/535 through TFTP servers.
• Configured VPN access through internet for corporate LAN.
• Installing, configuring and troubleshooting Supervisor Engine of 4000 and 6500.
• Installation, configuration & upgrading the images of Cisco Catalyst Switches 6500, 3550, 2950 & IP Phones (7940G & 7960G).
• Monitoring of IPLC Circuits through Solar Winds.
• Monitoring of Syslog Server for the Routers, Firewalls & Catalyst Switches for India, UK & Australia networks.
• Generating and sending Bandwidth reports using Solar Winds, CPU usage & equipment uptime reports.
• Managing, assigning, and maintaining the list of network addresses.
• Configured Vlan’s and inter Vlan routing, vtp and access control
List for basic security between Vlan’s
• Configuration of the Campus Lan with two Cat 6500 with MSFC & Cat 3500 at the access layer
• Configuring HSRP for Redundancy and Load Balancing
• Configuring Routers 2600 3600, with Routing protocols such as EIGRP, on Frame-relay Technology
• Installed and configured 16 Port Fiber Module and 48-10/100/1000 Ethernet module
• Installed and Configured PCMCIA Card on 2 x Cisco 6506 core switch for IOS Backup
• Deployed Cat 3500 series switches for LAN up gradation
• Installed and Configured Solar Winds and IP-Switch management software by Using SNMP to monitor traffic Counters of the Cisco Core switch and Cisco routers.
• Monitoring of WAN Links through Solar Winds
• Backing configuration of 6500, 3500, 2600 switches and routers
• Managing, assigning, and maintaining the list of network addresses, preparing Network DCL (Daily Check List).
Managing LAN and MAN for remote branches in the city.
• Provided technical support and guidance on network issues.
• Respond to the needs/questions of users/clients concerning network access to resources in HQ.
• Troubleshoot Interface cards failure on Cisco Core Router.
• Evaluate operations within area of responsibility and recommend enhancements.
• Setup of Lan/Wan having connectivity to BANGLADESH BANK
• Installing, configuring, various hardware & software Cisco switches, routers.
• Configured the Cisco 2500 / 2600 routers for their data connectivity to Bangladesh and also the ISDN connectivity up to the local ISP for backup.
• Also configured their Campus LAN using Cat4003 as the backbone switch and 2950 as access layer switches.
• Replacing modules and cards on Cisco routers and switches.
• Configuration of ISDN as backup circuit for Leased Line
• Diagnosing and resolving network faults and monitoring leased lines.