ubuntu - two computers on same network cannot ping eachother nor view NetBios resources - Server Fault
What happen in my network architecture? One side can ping, but the other side can't - Community - SitePoint Forums | Web Development & Design Community
OSPF on Cisco 2811, cannot ping beyond router from endpoint
Solved: help, I can't ping the server in packet tracer - Cisco Community
SOLVED] Can't ping printer or any wifi device without router restart - Networking