Simon smiled. That wasn't a routing policy error. That was a tunnel interface dropping. He jumped on the Jakarta out-of-band, issued no shut on Tunnel14, and watched his Xshell screen erupt in —his custom highlight for %LINK-3-UPDOWN and %LINEPROTO-5-UPDOWN: up .
He called it "Cisco_Filter."
He saved the session log, named it Jakarta_BGP_Fix.log , and closed his laptop. Another night, another flap—killed by a few clever regex rules in a terminal emulator that knew exactly what a network engineer needed to see. xshell highlight sets cisco
The NOC was drowning in noise. Alarms chirped, phones buzzed, and across six monitors, Simon watched a waterfall of green-on-black console text scroll past. He was troubleshooting a BGP route flap that had taken down a remote office in Jakarta. The problem was simple: find the neighbor flapping. The reality was hell: 10,000 lines of Cisco debug output. Simon smiled
The BGP yellow highlight flashed one last time: %BGP-5-ADJCHANGE: neighbor 10.88.22.5 Up He jumped on the Jakarta out-of-band, issued no
Simon leaned back, pointing at his screen—a calm sea of gray, punctuated only by quiet green lines. "The highlight set found it in four seconds. Cisco's logs are noise. Xshell makes them music."