vahagn-madatyan

Interface and link health assessment with error counter analysis, optical power monitoring, discard diagnosis, and utilization trending. Multi-vendor coverag...

Arista EOS device health check and triage procedure. Use when troubleshooting Arista 7000, 7500, or 720X series switches — assessing CPU, memory, interfaces,...

Cross-cloud security posture assessment covering IAM analysis, encryption audit, and public exposure detection across AWS, Azure, and GCP using [AWS]/[Azure]...

Azure VNet networking audit covering address space design, NSG rule evaluation, Azure Firewall policy analysis, ExpressRoute and VPN Gateway connectivity, VN...

EIGRP DUAL algorithm analysis with successor/feasible successor evaluation, stuck-in-active diagnosis, K-value validation, and redistribution loop detection....

Pre/post change verification with baseline capture, diff analysis, and rollback decision guidance across Cisco IOS-XE/NX-OS, Juniper JunOS, and Arista EOS. S...

CIS benchmark compliance assessment for network infrastructure devices. Maps device configuration against CIS benchmark controls organized by Management Plan...

Cisco IOS-XE and NX-OS device health check and triage procedure. Use when troubleshooting Cisco routers, switches, or Nexus platforms — assessing CPU, memory...

Cisco IOS-XE device health check and triage procedure. Use when troubleshooting Cisco IOS-XE routers or switches, checking CPU utilization, memory usage, int...

Vendor-agnostic ACL and firewall rule analysis with shadowed rule detection, overly permissive rule identification, unused rule discovery, redundant rule fla...

Incident response process management following the NIST 800-61 lifecycle. Covers severity classification, escalation matrices, role assignment, communication...

BGP protocol analysis with peer state diagnosis, path selection verification, route filtering validation, and convergence assessment. Multi-vendor coverage f...

Network forensics evidence collection and analysis during security incidents. Guides volatile evidence preservation, lateral movement detection via flow reco...

FortiOS VDOM segmentation audit with UTM profile binding validation, FortiGuard service health assessment, SD-WAN security evaluation, and HA cluster posture...

Dual-platform Cisco ASA and Firepower Threat Defense (FTD) firewall audit with ACL analysis, NAT policy validation, Modular Policy Framework / Access Control...

Check Point R80+/R81.x rulebase layer analysis with blade activation audit, SmartConsole management plane validation, NAT policy review, identity awareness a...

GCP VPC Network audit covering global VPC design, firewall rule priority evaluation with hierarchical policies, Cloud NAT egress analysis, Cloud Interconnect...

AWS VPC networking audit covering CIDR architecture, Security Group and NACL rule analysis, Transit Gateway connectivity, VPC Flow Log forensics, Route Table...