Tag: network design

Ticket#10 - NAT Overload Failure: Why Users Couldn't Access the Internet – A Real Fix [CCNP ENTERPRISE]

Ticket#10 – NAT Overload Failure: Why Users Couldn’t Access the Internet – A Real Fix [CCNP ENTERPRISE]

Problem Summary In a mid-sized enterprise, users across VLANs suddenly...

Ticket#9 - WAN Flap Detection: DMVPN Phase 2 Tunnel Up/Down Issue Fixed [CCNP Enterprise]

Ticket#9 – WAN Flap Detection: DMVPN Phase 2 Tunnel Up/Down Issue Fixed [CCNP Enterprise]

Problem Summary The enterprise monitoring tool detected flapping tunnels between...