Identify Cisco Express Forwarding concepts
FIB
Adjacency table
Explain general network challenges
Unicast
Out-of-order packets
Asymmetric routing
Describe IP operations
ICMP Unreachable and Redirects
IPv4 and IPv6 fragmentation
TTL
Explain TCP operations
IPv4 and IPv6 (P)MTU
MSS
Latency
Windowing
Bandwidth-delay product
Global synchronization
Describe UDP operations
Starvation
Latency
Recognize proposed changes to the network
Changes to routing protocol parameters
Migrate parts of the network to IPv6
Routing protocol migration
Configure and verify PPP
Authentication (PAP, CHAP)
PPPoE (client side only)
Explain Frame Relay
Operations
Point-to-point
Multipoint
Identify, configure, and verify IPv4 addressing and subnetting
Address types (Unicast, broadcast, multicast, and VLSM)
ARP
DHCP relay and server
DHCP protocol operations
Identify IPv6 addressing and subnetting
Unicast
EUI-64
ND, RS/RA
Autoconfig (SLAAC)
DHCP relay and server
DHCP protocol operations
Configure and verify static routing
Configure and verify default routing
Evaluate routing protocol types
Distance vector
Link state
Path vector
Describe administrative distance
Troubleshoot passive interfaces
Configure and verify VRF lite
Configure and verify filtering with any protocol
Configure and verify redistribution between any routing protocols or routing sources
Configure and verify manual and autosummarization with any routing protocol
Configure and verify policy-based routing
Identify suboptimal routing
Explain ROUTE maps
Configure and verify loop prevention mechanisms
Route tagging and filtering
Split-horizon
Route poisoning
Configure and verify RIPv2
Describe RIPng
Describe EIGRP packet types
Configure and verify EIGRP neighbor relationship and authentication
Configure and verify EIGRP stubs
Configure and verify EIGRP load balancing
Equal cost
Unequal cost
Describe and optimize EIGRP metrics
Configure and verify EIGRP for IPv6
Describe OSPF packet types
Configure and verify OSPF neighbor relationship and authentication
Configure and verify network types, area types, and router types
Point-to-point, multipoint, broadcast, nonbroadcast
LSA types, area type: backbone, normal, transit, stub, NSSA, totally stub
Internal router, backbone router, ABR, ASBR
Virtual link
Configure and verify OSPF path preference
Configure and verify OSPF operations
Configure and verify OSPF for IPv6
Describe, configure, and verify BGP peer relationships and authentication
Peer group
Active, passive
States and timers
Configure and verify eBGP (IPv4 and IPv6 address families)
eBGP
4-byte AS number
Private AS
Explain BGP attributes and best-path selection
Configure and verify GRE
Describe DMVPN (single hub)
Describe Easy Virtual Networking (EVN)
Describe IOS AAA using local database
Describe device security using IOS AAA with TACACS+ and RADIUS
AAA with TACACS+ and RADIUS
Local privilege authorization fallback
Configure and verify device access control
Lines (VTY, AUX, console)
Management plane protection
Password encryption
Configure and verify router security features
IPv4 access control lists (standard, extended, time-based)
IPv6 traffic filter
Unicast reverse path forwarding
Configure and verify device management
Console and VTY
Telnet, HTTP, HTTPS, SSH, SCP
(T)FTP
Configure and verify SNMP
v2
v3
Configure and verify logging
Local logging, syslog, debugs, conditional debugs
Timestamps
Configure and verify Network Time Protocol (NTP)
NTP master, client, version 3, version 4
NTP authentication
Configure and verify IPv4 and IPv6 DHCP
DHCP client, IOS DHCP server, DHCP relay
DHCP options (describe)
Configure and verify IPv4 Network Address Translation (NAT)
Static NAT, dynamic NAT, PAT
Describe IPv6 NAT
NAT64
NPTv6
Describe SLA architecture
Configure and verify IP SLA
ICMP
Configure and verify tracking objects
Tracking objects
Tracking different entities (for example, interfaces, IPSLA results)
Configure and verify Cisco NetFlow
NetFlow v5, v9
Local retrieval
.
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