Working with Aricent Technologies as a Network Security Expert Cisco TAC,Troubleshoot customer networks in the area of network security.Understanding the topology and analyzing the root cause of the issue.Providing best practices for deployment in certain scenarios and suggesting changes in design if needed.Simulating client’s network and topology in lab to fix the issue if needed.Providing end solution for the issue.Providing details RCA for the issue and preventive measures for future.Interacting with the development team in scenarios that needs attention from the development team.; Mentoring team members in cases as and when needed.Taking escalation and working on priority on those issues.Conducting internal training as per training calendar scheduled.Technical Proficiency: Routing• Routing Protocols – RIP, OSPF, EIGRP, BGP• Multicast involving PIM, IGMP, SSM, MSDP.• IPv6 – Includes IPv6 addressing, Auto-config, BGP.• MPLS – Basic understanding of LDP, TDP, MPLS L2 VPNs.• Services :DHCP, HSRP, VRRP, GLBPSwitching• Basic LAN configuration - Vlans, Trunks, Ether-channels, STP, SPAN, RSPAN, inter VLAN routing, MSTP.• LAN security- DHCP snooping,IP source guard, private VLAN, port security.Network Security : Basic and advanced configurations of PIX and ASA including Natting, Static Routing, Failover, Access control using ACLs, Modular Policy FrameworkIOS Firewall Devices in core network like FWSM and IDSM.Troubleshooting various scenarios on FWSM related to memory and high cpu. Virtual Private Networks (VPNs) : LAN to LAN and Remote Access VPNs in a variety of topologies.PKITroubleshooting VPN connectivity.Experience with :Cisco Adaptive Security Appliance (ASA) – 5500 seriesCisco Routers – 1700, 1800, 2600, 2800, 3600 and 3800 seriesCisco PIX Firewall – PIX 500 seriesCisco Switches – 2950 and 3500 seriesBeen involved in testing on Nexus 7010 and 7018 and Catalyst 6500.Tools UsedSpirent Test Center Ixia Network.