Networking (CCNA & CCNP) Expert Course

Layer 3 Technologies

• lTroubleshoot administrative distance (all routing protocols)

• lTroubleshoot route map for any routing protocol (attributes, tagging, filtering)

• lTroubleshoot loop prevention mechanisms (filtering, tagging, split horizon, route

• poisoning)

• lTroubleshoot redistribution between any routing protocols or routing sources

• lTroubleshoot manual and auto-summarization with any routing protocol

• lConfigure and verify policy-based routing

• lConfigure and verify VRF-Lite

• lDescribe Bidirectional Forwarding Detection

• lTroubleshoot EIGRP (classic and named mode)

• lAddress families (IPv4, IPv6)

• lNeighbor relationship and authentication

• lLoop-free path selections (RD, FD, FC, successor, feasible successor, stuck in

• active)

• lStubs

• lLoad balancing (equal and unequal cost)

• lMetric
  

Troubleshoot OSPF (v2/v3)

• lAddress families (IPv4, IPv6)

• lNeighbor relationship and authentication

• lNetwork types, area types, and router types

• lPoint-to-point, multipoint, broadcast, nonbroadcast

• lArea type: backbone, normal, transit, stub, NSSA, totally stub

• lInternal router, backbone router, ABR, ASBR

• lVirtual link

• lPath preference

Troubleshoot BGP (Internal and External)

• lAddress families (IPv4, IPv6)

• lNeighbor relationship and authentication (next-hop, mulithop, 4-byte AS, private

• lAS, route refresh, operation, states and timers)

• lPath preference (attributes and best-path)

• lPolicies (inbound/outbound filtering, path manipulation
  

VPN Technologies

• lDescribe MPLS operations (LSR, LDP, label switching, LSP)

• lConfigure and verify DMVPN (single hub)

• lGRE

• lNHRP

• lIPsec

• lDynamic neighbor

• lSpoke-to-spoke

Infrastructure Security

• lTroubleshoot device security using IOS AAA (TACACS+, RADIUS,)

• lTroubleshoot router security features

• lIPv4 access control lists (standard, extended, time-based)

• lIPv6 traffic filter

• lUnicast reverse path forwarding (uRPF)

Troubleshoot control plane policing (Telnet, SSH, HTTP(S),SNMP, EIGRP, OSPF,BGP)

Describe IPv6 First Hop security features (RA guard, DHCPguard, binding table,source guard)

Infrastructure Services

• lTroubleshoot device security using IOS AAA (TACACS+, RADIUS,)lTroubleshoot device management

• lConsole and VTY

• lTelnet, HTTP, HTTPS, SSH

• l(T)FTP

• lTroubleshoot router security features

• lIPv4 access control lists (standard, extended, time-based)

• lIPv6 traffic filter

• lUnicast reverse path forwarding (uRPF)

Troubleshoot network problems using logging (local, syslog,debugs, conditional debugs,timestamps)

Troubleshoot IPv4 and IPv6 DHCP (DHCP client, IOS DHCPserver, DHCP relay, DHCP options)

Troubleshoot network performance issues using IP SLA(jitter, tracking objects, delay,connectivity)

Troubleshoot network problems using Cisco DNA Centerassurance (connectivity,monitoring, de vice health, networkhealth)