Author: Trainer Sagar Dhawan

Ticket#15 - Multicast Video Freezes Randomly: PIM DR Election Misconfiguration Found [CCNP Enterprise]

Ticket#15 – Multicast Video Freezes Randomly: PIM DR Election Misconfiguration Found [CCNP Enterprise]

Problem Summary In a large campus network using multicast video...

Ticket#16 – SD-WAN VPN 0 Down: Color Mismatch Between Transport Interfaces [CCNP ENTERPRISE]

Ticket#16 – SD-WAN VPN 0 Down: Color Mismatch Between Transport Interfaces [CCNP ENTERPRISE]

Problem Summary A new remote branch router was provisioned and...

Ticket#17 – VoIP Choppy Audio During Peak Hours: DSCP Marking Not Trusted on Switch Ports [CCNP ENTERPRISE]

Ticket#17 – VoIP Choppy Audio During Peak Hours: DSCP Marking Not Trusted on Switch Ports [CCNP ENTERPRISE]

Problem Summary A growing organization reported that VoIP call quality...

Ticket#18 – Spanning Tree Topology Change Flood: Root Guard Protects Core Switch [CCNP Enterprise]

Ticket#18 – Spanning Tree Topology Change Flood: Root Guard Protects Core Switch [CCNP Enterprise]

Problem Summary A large enterprise network started experiencing random connectivity...

Ticket#20 – Default Route Not Propagating in BGP: Missing Network Statement Fixed [CCNP Enterprise]

Ticket#20 – Default Route Not Propagating in BGP: Missing Network Statement Fixed [CCNP Enterprise]

Problem Summary In a multi-site enterprise setup running eBGP, the...

Ticket 21: Wireless Clients Disconnect Randomly: FlexConnect Central Switching Misconfigured[CCNP Enterprise]

Ticket#21: Wireless Clients Disconnect Randomly: FlexConnect Central Switching Misconfigured [CCNP Enterprise]

Problem Summary A branch site reported that multiple wireless clients...

Ticket#22: Access Switch High CPU – Excessive SNMP Polling Detected [CCNP Enterprise]

Ticket#22: Access Switch High CPU – Excessive SNMP Polling Detected [CCNP Enterprise]

Problem Summary A critical alert was triggered in the NMS...

Ticket#23: SSL VPN Users Cannot Reach Internal Resources – Split Tunnel ACL Error Fixed [CCNP Enterprise]

Ticket#23: SSL VPN Users Cannot Reach Internal Resources – Split Tunnel ACL Error Fixed [CCNP Enterprise]

Problem Summary Users working remotely via Cisco AnyConnect VPN reported...

Ticket#24: Routing Table Blackhole – Route Redistribution Loop Detected Between OSPF and BGP [CCNP Enterprise]

Ticket#24: Routing Table Blackhole – Route Redistribution Loop Detected Between OSPF and BGP [CCNP Enterprise]

Problem Summary An enterprise site experienced sporadic loss of connectivity...