Router4# write memory
Router4(config-if)# ip ospf hello-interval 10 cisco ccna lab
He sighed. These weren’t real routers, of course. They were old, loud, power-hungry 2600 series he’d bought for forty bucks each on eBay. Their fans whined like tiny, tortured jet engines. But to him, they were cathedrals of learning. Every blinking green LINK/ACT light was a star in his own private, logical universe. Their fans whined like tiny, tortured jet engines
A router on a 10-second heartbeat was shouting "You alive?" every ten seconds. The router on a 30-second schedule was answering, "Yeah, fine, check back later," but by the time it answered, the first router had already declared it dead and moved on. A digital tragedy of missed connections. A router on a 10-second heartbeat was shouting "You alive
She sat up, rubbing her eyes. "Classic. Let's see the routing table."
OSPF: Rcv hello from 192.168.10.2 area 0 on GigabitEthernet0/0 OSPF: End of hello processing