QYTANG EVOLUTION
Explore complete public sessions by year and follow how technology evolves.
This episode explores stable loopback identities in routing, VPNs, NAT, self-traffic monitoring, and virtual-machine bridging, using practical design…
This episode uses ldap3 for directory queries and updates and Python datetime for time zones, parsing, and formatting in identity and operations auto…
This episode automates Cisco FMC through REST authentication, object and policy queries, pagination, JSON processing, and API Explorer workflows. …
This episode requests and deploys a free SSL certificate, covering domain validation, private keys, chains of trust, HTTPS configuration, redirects, …
This episode compares local SPAN, RSPAN, and GRE-based ERSPAN, covering sources, destinations, direction, encapsulation, packet validation, and desig…
This episode prepares a Linux Python environment with dependencies, package or source installation, virtual environments, pip mirrors, packet librari…
This episode explains Cisco pxGrid session, identity, device, and security-context sharing through node registration, certificates, topic subscriptio…
This episode uses Python with PostgreSQL and MongoDB for connections and CRUD operations, comparing relational and document data models for network d…
This episode covers Django ORM models, migrations, CRUD, filtering, fields, QuerySets, and foreign-key relationships. Total recording duration: 1 …
This episode initializes Cisco Firepower Device Manager and configures interfaces, routing, objects, access control, NAT, deployment, and traffic val…
This episode explains why network engineers need Python for text processing, device access, parsing, APIs, reporting, and batch operations, with a pr…
This episode interprets Cisco security-report findings on privacy, threats, attacks, and defense trends and applies them to enterprise architecture a…
This episode uses Cisco ISE APIs and Syslog for identities, endpoints, policies, events, authentication, parsing, and automated security integration.…
This episode uses Elasticsearch APIs for indexes, mappings, ingestion, Query DSL, aggregation, and analysis of network flow and log data. Total re…
This episode introduces Docker images, containers, registries, volumes, networking, installation, builds, runtime, persistence, isolation, and applic…
This episode runs Python in the IOS XE Guest Shell, uses CLI modules, and triggers event-driven automation with EEM, covering environment, permission…
This episode introduces Cisco C9800 IOS XE wireless architecture, deployment, initialization, policy tags, AAA, 802.1X WLANs, and client validation. …
This episode automates Cisco ASA REST APIs with Python for authentication, objects, policies, batching, error handling, idempotency, and safe validat…
This episode builds an evidence-based routing troubleshooting method using ICMP, TCP resets, asymmetric reachability, route lookups, logging, and deb…
This episode explains Cisco IBNS 2.0 policy maps, events, classes, service templates, migration from legacy 802.1X, authentication, authorization, an…
This episode compares routed, VLAN, and port ACLs on switches, covering placement, direction, matching, hardware forwarding, and traffic-path validat…
This episode combines SQLAlchemy models, Alembic migrations, filtering, and NETCONF for database-driven interface and OSPF configuration plus CPU mon…
This episode reviews Cisco 2020 trends in automation, AI assurance, multicloud, wireless access, and security roles, connecting them to architecture …
This episode covers Django foreign keys, related inserts, cross-table filtering, and database-driven NETCONF configuration and monitoring. Total r…
This episode explains Manufacturer Usage Description files, controller enforcement, communication intent, and access policies for reducing IoT attack…
