In the golden era of Cisco certification—roughly the mid-to-late 2000s—the path to becoming a true internet routing expert went through the Cisco Certified Internetwork Professional (CCIP) certification. Among its most feared and respected exams was 642-661: Configuring BGP on Cisco Routers (BGP) .
And when you finally understand why a router prefers a path with a longer AS_PATH over a shorter one (hint: LOCAL_PREF or MED overrides it), you’ll hear Jeremy’s voice in your head, marker in hand, smiling: “Now that’s the magic of BGP.” cbt nuggets cisco ccip bgp 642661 by jeremy cioara work
Jeremy Cioara didn’t just teach BGP—he demystified it. He turned a protocol feared for its complexity into a logical, even enjoyable, puzzle. If you ever get a chance to watch that old course, do it. Not for exam braindumps or quick answers, but to see a master teacher at the peak of his powers. In the golden era of Cisco certification—roughly the