Tech Articles
Curated developer articles, tutorials, and guides – auto-updated hourly
Rocky5d ago • 4 min read
OSPF Is Healthy. The Router Is Ignoring It Anyway.
The neighbor relationship is up. show ip ospf neighbor reports FULL, no flapping, no retransmissions...
#networking#ccna#ospf#routing
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Rocky6d ago • 3 min read
Two PCs, Same Switch, Same VLAN, and They Still Can't Talk
The ticket says "intermittent," which is the worst word a ticket can say. Two desks over from each.....
#networking#subnetting#ccna#sysadmin
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Rocky4d ago • 4 min read
The Cable That Took Down the Whole Floor
Someone in facilities patches a spare Ethernet cable between two wall jacks to test whether a port i...
#networking#ccna#switching#stp
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