IP Routing (20%) — CCNA v2CCNA 200-301 Study Guide

Troubleshoot: OSPF Neighbor Won't Form

Objective 3.4 · CCNA 200-301 v2.0 Objective 3.3

Troubleshoot: OSPF Stuck in INIT State

Objective 3.4 · CCNA 200-301 v2.0 Objective 3.3

Troubleshoot: OSPF Area Mismatch

Objective 3.4 · CCNA 200-301 v2.0 Objective 3.3

Troubleshoot: OSPF Choosing Wrong Path

Objective 3.4 · CCNA 200-301 v2.0 Objective 3.3

Troubleshoot: VLAN Mismatch Between Switches

Objective 2.1 · CCNA 200-301 v2.0 Objective 2.1

Troubleshoot: Native VLAN Mismatch on Trunk

Objective 2.1 · CCNA 200-301 v2.0 Objective 2.1

Troubleshoot: Spanning Tree Loop

Objective 2.5 · CCNA 200-301 v2.0 Objective 2.5

Troubleshoot: Unexpected STP Blocked Port

Objective 2.5 · CCNA 200-301 v2.0 Objective 2.5

Troubleshoot: No IP Connectivity Between Hosts

Objective 1.6 · CCNA 200-301 v2.0 Objective 1.3

Troubleshoot: DHCP Not Assigning Addresses

Objective 4.3 · CCNA 200-301 v2.0 Objective 1.7

Troubleshoot: DHCP Relay Not Working

Objective 4.3 · CCNA 200-301 v2.0 Objective 1.7

Troubleshoot: NAT Not Translating Traffic

Objective 4.1 · CCNA 200-301 v2.0 Objective 4.3

Troubleshoot: ACL Blocking Legitimate Traffic

Objective 5.6 · CCNA 200-301 v2.0 Objective 4.6

Troubleshoot: ACL Wildcard Mask Error

Objective 5.6 · CCNA 200-301 v2.0 Objective 4.6

Troubleshoot: Route Missing from Routing Table

Objective 3.1 · CCNA 200-301 v2.0 Objective 3.1

Troubleshoot: Static Route Not Working

Objective 3.2 · CCNA 200-301 v2.0 Objective 3.2

Troubleshoot: EIGRP Neighbor Won't Form

Objective 3.5 · CCNA 200-301 Objective 3.5

Troubleshoot: Duplex Mismatch Causing Errors

Objective 1.3 · CCNA 200-301 v2.0 Objective 1.1

Troubleshoot: Inter-VLAN Routing Not Working

Objective 3.1 · CCNA 200-301 v2.0 Objective 2.1

Troubleshoot: EtherChannel in err-disabled

Objective 2.3 · CCNA 200-301 v2.0 Objective 2.1

Troubleshoot: Port Security Violation

Objective 2.7 · CCNA 200-301 v2.0 Objective 4.7

Troubleshoot: SSH Connection Refused

Objective 4.7 · CCNA 200-301 v2.0 Objective 4.1

Troubleshoot: NTP Not Synchronizing

Objective 4.4 · CCNA 200-301 v2.0 Objective 4.4

Troubleshoot: Missing or Wrong Default Gateway

Objective 3.2 · CCNA 200-301 v2.0 Objective 3.2

Troubleshoot: Wireless Client Won't Connect

Objective 2.9 · CCNA 200-301 v2.0 Objective 1.5

Troubleshoot: AP Not Joining WLC

Objective 2.9 · CCNA 200-301 v2.0 Objective 1.5

Troubleshoot: HSRP Active Router Wrong

Objective 3.8 · CCNA 200-301 v2.0 Objective 3.4

Troubleshoot: IPsec VPN Tunnel Down

Objective 5.7 · CCNA 200-301 v2.0 Objective 4.5

Troubleshoot: GRE Tunnel Not Working

Objective 5.7 · CCNA 200-301 v2.0 Objective 5.7

Troubleshoot: VTP Domain Mismatch

Objective 2.1 · CCNA 200-301 v2.0 Objective 2.1

Troubleshoot: 802.1X Authentication Failing

Objective 5.4 · CCNA 200-301 v2.0 Objective 5.4

Troubleshoot: IPv6 Connectivity Issues

Objective 1.9 · CCNA 200-301 v2.0 Objective 1.4

Troubleshoot: Wrong IP Address or Subnet

Objective 1.6 · CCNA 200-301 v2.0 Objective 1.3

Troubleshoot: STP Topology Change Loop

Objective 2.5 · CCNA 200-301 v2.0 Objective 2.5

Troubleshoot: QoS Marking Mismatch

Objective 4.8 · CCNA 200-301 v2.0 Objective 4.8

Troubleshoot: IPv6 ACL Blocking Traffic

Objective 5.6 · CCNA 200-301 v2.0 Objective 4.6

Troubleshoot: BGP Peer Won't Form

Objective 3.6 · CCNA 200-301 Objective 3.6

Troubleshoot: FHRP Failover Not Working

Objective 3.8 · CCNA 200-301 v2.0 Objective 3.4

Troubleshoot: CDP/LLDP Not Seen

Objective 2.6 · CCNA 200-301 v2.0 Objective 2.3

Troubleshoot: Access Port in Wrong VLAN

Objective 2.1 · CCNA 200-301 v2.0 Objective 2.1

Troubleshoot: Switch Interface Down

Objective 1.3 · CCNA 200-301 v2.0 Objective 1.1