Simon used Xshell. Most of his colleagues stuck with PuTTY or SecureCRT, but Simon had spent a weekend three years ago building the perfect .
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 . xshell highlight sets cisco
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." Simon used Xshell
Then, two seconds later—red: %LINEPROTO-5-UPDOWN: Line protocol on Interface Tunnel14, changed state to down That wasn't a routing policy error
The NOC went quiet. His boss looked over. "Fixed?"