“Make it weekly,” Chen said. “Automate it. I never want to see a yellow light again.”
“NBAR went blind,” Aris replied. “New protocol. We needed the new dictionary.”
Router# show ip nbar protocol-pack active cisco nbar protocol pack download
“Never underestimate the power of a protocol pack,” she said. “We just bought a dictionary for forty-seven million dollars.”
And for the rest of the quarter, every single packet knew exactly where it belonged. “Make it weekly,” Chen said
The progress bar moved like cold molasses. 15%. 27%. The network was already sick; the same congestion that confused NBAR was slowing the download of its cure.
Protocol Pack 189 was the Rosetta Stone. A 47-megabyte file containing deep packet inspection signatures for the last six months of global application traffic. Cisco released them quarterly, like vaccine boosters for the network. “New protocol
“Quarterly. Or on-demand, if the world shifts.”
