CCNP Troubleshooting

Use Cisco IOS to solve tools(Day1, Day2)

1. Debug, conditional debug

2. Ping and trace route with extended options

Apply to solve methodologies(Day3, Day4)

1. Diagnose the root cause of networking issues (analyze symptoms, identify and describe root cause)

2. Design and implement valid solutions

3. Verify and monitor resolution

Layer 2 Technologies(Day5, Day6)

Solve Cisco Troubleshooting administration

1. SDM templates

2. Managing MAC address table

3. Solve Err-disable recovery

Solve Layer 2 protocols(Day7, Day8)

1. CDP, LLDP

2. UDLD

Solve VLANs(Day9, Day10)

1. Access ports

2. VLAN database

3. Normal, extended VLAN, voice VLAN

Solve trunking(Day11, Day12)

1. VTPv1, VTPv2, VTPv3, VTP pruning

2. dot1Q

3. Native VLAN

4. Manual pruning

Solve EtherChannels(Day13, Day14)

1. LACP, PAgP, manual

2. Layer 2, Layer 3

3. Load balancing

4. EtherChannel misconfiguration guard

Solve spanning tree(Day15, Day16)

1. PVST+, RPVST +, MST

2. Cisco Troubleshooting priority, port priority, path cost, STP timers

3. PortFast, BPDUguard, BPDUfilter

4. Loopguard, Rootguard

Solve other LAN Cisco Troubleshootinging technologies(Day17)

1. SPAN, RSPAN

Solve chassis virtualization and aggregation technologies(Day18)

1. Stackwise

Layer 3 Technologies(Day19)

Solve IPv4 addressing and subnetting(Day20)

1. Address types (Unicast, broadcast, multicast, and VLSM)

2. ARP

3. DHCP relay and server

4. DHCP protocol operations

Solve IPv6 addressing and subnetting(Day21, Day22)

1. Unicast

2. EUI-64

3. ND, RS/RA

4. Autoconfig (SLAAC)

5. DHCP relay and server

6. DHCP protocol operations

Day 23 to Day 32

Solve static routing(Day 23)

Solve default routing(Day 24)

Solve administrative distance(Day 25)

Solve passive interfaces(Day 26)

Solve VRF lite(Day 27)

Solve filtering with any protocol(Day 28)

Solve between any routing protocols or routing sources(Day 29)

Solve manual and autosummarization with any routing protocol(Day 30)

Solve policy-based routing(Day 31)

Solve suboptimal routing(Day 32)

Solve loop prevention mechanisms(Day 33)

1. Route tagging, filtering

2. Split-horizon

3. Route poisoning

Solve RIPv2(Day 34)

Solve EIGRP ROUTING neighbor relationship and authentication

Solve loop free path selection

RD, FD, FC, successor, feasible successor.

Solve EIGPR operations(Day 35)

1. Stuck in active

Solve EIGPR ROUTING stubs(Day 36)

Solve EIGRP ROUTING load balancing

1. Equal cost

2. Unequal cost

Solve EIGRP ROUTING metrics(Day 37)

Solve EIGPR ROUTING for IPv6(Day 38)

Solve OSPF NETWORK neighbor relationship and authentication

Solve network types, area types, and router types

1. Point-to-point, multipoint, broadcast, nonbroadcast

2. LSA types, area type: backbone, normal, transit, stub, NSSA, totally stub

3. Internal router, backbone router, ABR, ASBR

4. Virtual link

Solve OSPF NETWORK path preference(Day 39)

Solve OSPF NETWORK operations(Day 40)

Solve OSPF NETWORK for IPv6

Solve BGP peer relationships and authentication

1. Peer group

2. Active, passive

3. States and timers

Solve eBGP

1. eBGP

2. 4-byte AS number

3. Private AS

VPN Technologies(Day 41)

Solve GRE (Day 42)

Infrastructure Security

Solve IOS AAA using local database

Solve device access control

1. Lines (VTY, AUX, console)

2. Management plane protection

3. Password encryption

Solve router security features (Day 43)

1. IPv4 access control lists (standard, extended, time-based)

2. IPv6 traffic filter

3. Unicast reverse path forwarding

Infrastructure Services (Day 44)

Solve device management

1. Console and VTY

2. Telnet, HTTP, HTTPS, SSH, SCP

3. (T) FTP

Solve SNMP(Day 45)

1. v2 6.2.b v3

Solve IPv4 and IPv6 DHCP (Day 46)

1. DHCP client, IOS DHCP server, DHCP relay

2. DHCP options (describe)

Solve IPv4 Network Address Translation (NAT) (Day 47)

1. Solve IPv4 Network Address Translation (NAT)

Solve SLA architecture (Day 48)

Solve tracking objects

1. Tracking objects

2. Tracking different entities (for example, interfaces, IPSLA results)