Cisco Codex

Categorized quick reference across 24 Cisco technologies spanning switching, routing, security, wireless, data center, and management domains.

Switching

Topic Description

VLAN

VLAN creation, trunking, VTP, and voice VLAN configuration

STP

Spanning Tree Protocol variants, root bridge election, and portfast

ACL

Standard, extended, and named access control lists

Routing

Topic Description

OSPF

Open Shortest Path First areas, adjacencies, and route summarization

EIGRP

Enhanced Interior Gateway Routing Protocol metrics and named mode

BGP

Border Gateway Protocol peering, path attributes, and route policies

HSRP

Hot Standby Router Protocol groups, preemption, and tracking

Security & NAC

Topic Description

AAA

Authentication, authorization, and accounting framework

RADIUS

RADIUS server configuration and attribute-value pairs

TACACS+

TACACS+ device administration and command authorization

802.1X

Port-based network access control and EAP methods

ISE

Identity Services Engine policy sets, profiling, and posture

ASA

Adaptive Security Appliance firewall rules and VPN

Wireless

Topic Description

WLC

Wireless LAN Controller AP management and WLAN policies

Data Center

Topic Description

NX-OS

Nexus platform VDCs, vPCs, and data center switching

Management & APIs

Topic Description

IOS-XE

IOS-XE platform CLI, configuration modes, and programmability

SNMP

SNMP v2c/v3 polling, traps, and MIB navigation

NETCONF

NETCONF sessions, RPC operations, and YANG-driven config

RESTCONF

RESTful API for IOS-XE configuration and operational data

YANG

YANG data models, pyang tools, and model-driven telemetry

Meraki

Meraki Dashboard API, organizations, networks, and devices

Catalyst Center

Catalyst Center intent APIs, SDA, and assurance

DNA Center

DNA Center (legacy) APIs, templates, and PnP workflows

FMC

Firepower Management Center policies, objects, and API