- Jeffrey Langdon, CCIE #15082 (CCIE Routing & Switching)
CCIE - July 18, 2014 Jeffrey Langdon, CCIE #15082 CCIE Share Share on Facebook Tweet on Twitter Back to Wall of Success Tags CCDE CCIE CCIE Collaboration CCIE Data Center CCIE Routing & Switching CCIE Security CCIE Service Provider CCNP Routing & Switching